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1. The attenuation of the length signal is proportional to the length of the cable. The longer the cable, the greater the attenuation. This is the physical law of the cable. The length of cable is usually marked in feet or meters. Audio and video signals will cause signal attenuation through long-distance cables. The impact on the final result is reflected in the decrease of signal-to-noise ratio, brightness, image blur, and synchronization failure. These are obvious. The difference has also become the basis for the comparison of cable quality (different attenuation of the equivalent signal transmitted by a cable of a unit length). General rubber sheathed flexible cable, rubber sheathed flexible cable for mining, mine shielded cable, waterproof rubber flat cable, electric welding cable, mining electric drill cable, coal mining machine cable produced by Tianjin Cable General Factory Rubber and Plastic Cable Factory, High-voltage rubber sheathed cables, power cables, flame-retardant and fire-resistant power cables, control cables, and cloth wires have been widely used in the basic industries and modernization projects such as mining, power, metallurgy, petroleum, fire protection, chemical engineering, and two-network transformation. It has 485 employees, 13 senior engineers, 25 engineering technicians and 180 professionals of various types in the state-level key construction projects. Tianjin Cable Plant rubber cable plant covers an area of ​​48,000 square meters, construction area of ​​31,000 square meters, fixed assets of 46 million yuan, annual production capacity of 320 million yuan. Our factory has advanced production equipment, excellent manufacturing technology, complete testing means and strong technical force. The sales service network consisting of more than 80 sales and service personnel has spread over more than 20 provinces and cities across the country. The factory has improved and strengthened the internal quality assurance system. The product has passed the production license acceptance, obtained the mine safety sign certificate, the national mandatory CCC certification, and the ISO9001-2000 international quality system certification, which has greatly improved the overall quality of the company. . The company specializes in producing all kinds of standard wire and cable. The price is absolutely the lowest in the market. YC rubber cable, YH welding cable, JHS waterproof cable, SBH rubber cable, MY mine rubber cable, VVVLV copper core, aluminum Core PVC insulated PVC sheathed power cable VV22VLV22 copper core, aluminum core PVC insulated poly steel tape armored PVC sheathed power cable BVBVRRVVRVVPKVVKVV22KVVP. Tianjin Cable Plant Rubber & Plastic Cable Factory adheres to the tenet of “Quality First, Customer Foremost†and set up factories. It is dedicated to customer service. Founded in 1972, it is an affiliated enterprise of Tianjin Cable Plant, Tianjin Kitty Cable Co., Ltd. Corporate member companies.
2. The capacitive reactance of the frequency cable and the wire material determine the range of the transmission signal frequency. If there is image blurring in the proper transmission distance, most of the cables do not meet the requirements of high frequency transmission, resulting in high frequency band loss of the signal (image detail). General rubber sheathed flexible cable, rubber sheathed flexible cable for mining, mine shielded cable, waterproof rubber flat cable, electric welding cable, mining electric drill cable, coal mining machine cable produced by Tianjin Cable General Factory Rubber and Plastic Cable Factory, High-voltage rubber sheathed cables, power cables, flame-retardant and fire-resistant power cables, control cables, and cloth wires have been widely used in the basic industries and modernization projects such as mining, power, metallurgy, petroleum, fire protection, chemical engineering, and two-network transformation. It has 485 employees, 13 senior engineers, 25 engineering technicians and 180 professionals of various types in the state-level key construction projects. Tianjin Cable Plant rubber cable plant covers an area of ​​48,000 square meters, construction area of ​​31,000 square meters, fixed assets of 46 million yuan, annual production capacity of 320 million yuan. Our factory has advanced production equipment, excellent manufacturing technology, complete testing means and strong technical force. The sales service network consisting of more than 80 sales and service personnel has spread over more than 20 provinces and cities across the country. The factory has improved and strengthened the internal quality assurance system. The product has passed the production license acceptance, obtained the mine safety sign certificate, the national mandatory CCC certification, and the ISO9001-2000 international quality system certification, which has greatly improved the overall quality of the company. . The company specializes in producing all kinds of standard wire and cable. The price is absolutely the lowest in the market. YC rubber cable, YH welding cable, JHS waterproof cable, SBH rubber cable, MY mine rubber cable, VVVLV copper core, aluminum Core PVC insulated PVC sheathed power cable VV22VLV22 copper core, aluminum core PVC insulated poly steel tape armored PVC sheathed power cable BVBVRRVVRVVPKVVKVV22KVVP. Tianjin Cable Plant Rubber & Plastic Cable Factory adheres to the tenet of “Quality First, Customer Foremost†and set up factories. It is dedicated to customer service. Founded in 1972, it is an affiliated enterprise of Tianjin Cable Plant, Tianjin Kitty Cable Co., Ltd. Corporate member companies.
3. The interference cable is also a huge antenna that will absorb the electromagnetic waves that exist in the space. If the cable is not shielded or shielded, any type of electromagnetic interference will directly affect the useful signal, reducing the signal to noise ratio of the signal. 4. As with all electronic circuits, the physical properties of the cable can also be affected by the ambient temperature. The physical parameters of the cable have different performance in different temperature ranges. In engineering applications, cables are typically installed on walls, ceilings, and instrument racks because the ventilation conditions in these places are not ideal and they tend to produce higher temperatures. Therefore, the allowable operating temperature range of the selected cable should be applicable to these environments. General rubber sheathed flexible cable, rubber sheathed flexible cable for mining, shielded cable for mine use, waterproof rubber flat cable, manufactured by Rubber Cable Factory of Tianjin Cable Works, Electric welding machine cables, mining electric drill cables, cables for coal mining machines, high pressure rubber sheathed cables, power cables, flame-retardant and fire-resistant power cables, control cables, and cloth wires have been widely used in mining, power, metallurgy, petroleum, firefighting, and chemical industries. , two network transformation and other basic industries and modern engineering support, and repeatedly applied in the national key construction projects in the Tianjin Cable Plant rubber cable plant employees 485 people, 13 senior engineers, 25 engineering and technical personnel, each 180 professionals. Tianjin Cable Plant rubber cable plant covers an area of ​​48,000 square meters, construction area of ​​31,000 square meters, fixed assets of 46 million yuan, annual production capacity of 320 million yuan. Our factory has advanced production equipment, excellent manufacturing technology, complete testing means and strong technical force. The sales service network consisting of more than 80 sales and service personnel has spread over more than 20 provinces and cities across the country. The factory has improved and strengthened the internal quality assurance system. The product has passed the production license acceptance, obtained the mine safety sign certificate, the national mandatory CCC certification, and the ISO9001-2000 international quality system certification, which has greatly improved the overall quality of the company. . The company specializes in producing all kinds of standard wire and cable. The price is absolutely the lowest in the market. YC rubber cable, YH welding cable, JHS waterproof cable, SBH rubber cable, MY mine rubber cable, VVVLV copper core, aluminum Core PVC insulated PVC sheathed power cable VV22VLV22 copper core, aluminum core PVC insulated poly steel tape armored PVC sheathed power cable BVBVRRVVRVVPKVVKVV22KVVP. Tianjin Cable Plant Rubber & Plastic Cable Factory adheres to the tenet of “Quality First, Customer Foremost†and set up factories. It is dedicated to customer service. Founded in 1972, it is an affiliated enterprise of Tianjin Cable Plant and Tianjin Kitty Cable Co., Ltd. Corporate member companies.
5. The slope of the slope is to describe the time difference between the different lengths of twisted pairs for signal transmission. It depends on the twisting process and type of the twisted pair. When a large delay error occurs, the cable needs to be slope compensated. General rubber sheathed soft cable produced by Rubber Cable Factory of the City Cable Plant, rubber sheathed flexible cable for mining, shielded cable for mining, waterproof rubber flat cable, electric welding cable, mining electric drill cable, cable for shearer, high voltage Rubber sheathed cables, power cables, flame-retardant and fire-resistant power cables, control cables, and cloth wires have been widely used in the basic industries and modernization projects such as mining, power, metallurgy, petroleum, fire protection, chemical engineering, and two-network transformation, and have been applied many times. Among the state-level key construction projects, Tianjin Cable Plant Rubber & Plastic Cable Factory employs 485 people, 13 senior engineers, 25 engineering and technical personnel, and 180 professional personnel. Tianjin Cable Plant rubber cable plant covers an area of ​​48,000 square meters, construction area of ​​31,000 square meters, fixed assets of 46 million yuan, annual production capacity of 320 million yuan. The factory has advanced production equipment, excellent manufacturing technology, complete testing methods and strong technical force. The sales service network consisting of more than 80 sales and service personnel has spread over more than 20 provinces and cities across the country. The factory has improved and strengthened the internal quality assurance system. The product has passed the production license acceptance, obtained the mine safety sign certificate, the national mandatory CCC certification, and the ISO9001-2000 international quality system certification, which has greatly improved the overall quality of the company. . The company specializes in producing all kinds of standard wire and cable. The price is absolutely the lowest in the market. YC rubber cable, YH welding cable, JHS waterproof cable, SBH rubber cable, MY mine rubber cable, VVVLV copper core, aluminum Core PVC insulated PVC sheathed power cable VV22VLV22 copper core, aluminum core PVC insulated poly steel tape armored PVC sheathed power cable BVBVRRVVRVVPKVVKVV22KVVP. Tianjin Cable Plant Rubber & Plastic Cable Factory adheres to the tenet of “Quality First, Customer Foremost†and set up factories. It is dedicated to customer service. Founded in 1972, it is an affiliated enterprise of Tianjin Cable Plant, Tianjin Kitty Cable Co., Ltd. Corporate member companies.
6. Impedance impedance is one of the important parameters for describing the technical specifications of a cable. It establishes a baseline for the correct flow of signals.
This signal flow maintains the power conversion of the entire system. Imagine the flow of water through a large diameter pipe, as long as the diameter of the pipe remains constant, the structure and flow of the water will not change. When the water flow was introduced into a small mouth water pipe, the situation changed: due to the bottleneck, the structure of the water flow was disrupted, all the water flow could not pass through the bottleneck at the same time, causing part of the water flow to flow in the opposite direction, and finally it was still The process of re-introducing water into the mainstream. General rubber sheathed flexible cable, mining rubber sheathed flexible cable, mining shielded cable, waterproof rubber flat cable, electric welding cable, mining electric drill cable produced by Tianjin Cable General Factory Rubber Cable Factory , Shearer cables, high-voltage rubber sheathed cables, power cables, fire-retardant and fire-resistant power cables, control cables, and cloth wires have been widely used in basic industries such as mining, power, metallurgy, petroleum, fire protection, chemical engineering, and two-network transformation. Supporting modern engineering, and repeatedly applied in the state-level key construction projects, the Tianjin Cable Plant rubber cable plant has 485 employees, 13 senior engineers, 25 engineering and technical personnel, and 180 professionals. Tianjin Cable Plant rubber cable plant covers an area of ​​48,000 square meters, construction area of ​​31,000 square meters, fixed assets of 46 million yuan, annual production capacity of 320 million yuan. The factory has advanced production equipment, excellent manufacturing technology, complete testing methods and strong technical force. The sales service network consisting of more than 80 sales and service personnel has spread over more than 20 provinces and cities across the country. The factory has improved and strengthened the internal quality assurance system. The product has passed the production license acceptance, obtained the mine safety sign certificate, the national mandatory CCC certification, and the ISO9001-2000 international quality system certification, which has greatly improved the overall quality of the company. . The company specializes in producing all kinds of standard wire and cable. The price is absolutely the lowest in the market. YC rubber cable, YH welding cable, JHS waterproof cable, SBH rubber cable, MY mine rubber cable, VVVLV copper core, aluminum Core PVC insulated PVC sheathed power cable VV22VLV22 copper core, aluminum core PVC insulated poly steel tape armored PVC sheathed power cable BVBVRRVVRVVPKVVKVV22KVVP. Tianjin Cable Plant Rubber & Plastic Cable Factory adheres to the tenet of “Quality First, Customer Foremost†and set up factories. It is dedicated to customer service. Founded in 1972, it is an affiliated enterprise of Tianjin Cable Plant, Tianjin Kitty Cable Co., Ltd. Corporate member companies.
Mismatches in cable transmission impedance can also cause similar phenomena as described above: the electronic signal is re-imported. The initial signal effect is called reflection. The mutual interference of transmitted and reflected waves causes the voltage amplitude to form a standing wave, using VSWR (voltage standing wave). Ratio).
In video systems, impedance matching is a serious issue in system design. Early in the coaxial cable BNC type connector there are both 50_ and 75_ specifications, and now 75_, 50_ impedance cables and connectors for video impedance are currently only used in RF signals. Short-distance impedance mismatch will affect the high-frequency details of the image, causing the screen to appear “ghost phenomenon†General rubber sheathed cable, mining rubber sheathed cable, mine shielded cable produced by Tianjin Cable General Factory Rubber and Plastic Cable Factory, Waterproof rubber flat cable, welding machine cable, mining electric drill cable, coal mining machine cable, high pressure rubber sheathed cable, power cable, fire-retardant fire-resistant power cable, control cable, cloth wire and other products have been widely used in mining, power, metallurgy , petroleum, fire protection, chemical industry, two network transformation and other basic industries and modern engineering support, and repeatedly applied in the national key construction projects, Tianjin Cable Plant rubber cable plant 485 employees, 13 senior engineers, engineering There are 25 technicians and 180 professionals of various types. Tianjin Cable Plant Rubber Cable Factory covers an area of ​​48,000 square meters, a building area of ​​31,000 square meters, fixed assets of 46 million yuan and an annual production capacity of 320 million yuan. With advanced equipment, excellent manufacturing technology, complete testing methods, and strong technical force, the product sales service network consisting of more than 80 sales and service personnel has spread all over the country. Several provinces and cities, the factory improved and strengthened the internal quality assurance system, the product has passed the production license acceptance, obtained the mining safety sign certificate, the national mandatory CCC certification, ISO9001-2000 international quality system certification, so that the overall quality of the enterprise With great improvement, the company specializes in producing all kinds of standard wire and cable, the price is absolutely the lowest in the market, now there are YC rubber cable, YH welding cable, JHS waterproof cable, SBH rubber control cable, MY mining rubber cable , VVVLV copper core, aluminum core PVC insulated PVC sheathed power cable VV22VLV22 copper core, aluminum core PVC insulated poly steel tape armored PVC sheathed power cable BVBVRRVVRVVPKVVKVV22KVVP Tianjin Cable Plant Rubber Cable The factory adheres to the tenet of “Quality First, Customer Foremost†and set up factories. It is dedicated to providing services for users. It was founded in 1972. It is an affiliated enterprise of Tianjin Cable Plant and a member company of Tianjin Kitten Cable Co., Ltd.
7. Attenuation of a signal by an attenuation cable is also known as insertion loss in decibels (dB). A normal cable provides a loss table describing the attenuation of the cable at different frequencies per unit length. For example, the attenuation value of a cable is expressed as -2.2dB/30m@100MHz. It means that this cable will generate -2.2dB insertion loss when transmitting a 100MHz bandwidth signal at a length of 30m. The insertion loss of the cable is cumulative and the signal attenuation values ​​for different frequencies are also different. With the same bandwidth signal, the cable length is doubled and the insertion loss is also doubled. For example, the above cable will generate -4.4dB insertion loss when transmitting a 100MHz bandwidth signal at a length of 60m. General rubber sheathed flexible cable, rubber sheathed flexible cable for mining, mine shielded cable, waterproof rubber flat cable, electric welding cable, mining electric drill cable, coal mining machine cable produced by Tianjin Cable General Factory Rubber and Plastic Cable Factory, High-voltage rubber sheathed cables, power cables, flame-retardant and fire-resistant power cables, control cables, and cloth wires have been widely used for basic industries and modernization projects such as mining, power, metallurgy, petroleum, fire protection, chemical engineering, and two-network transformation. It has 485 employees, 13 senior engineers, 25 engineering technicians and 180 professionals of various types in the state-level key construction projects. Tianjin Cable Plant rubber cable plant covers an area of ​​48,000 square meters, construction area of ​​31,000 square meters, fixed assets of 46 million yuan, annual production capacity of 320 million yuan. Our factory has advanced production equipment, excellent manufacturing technology, complete testing means and strong technical force. The sales service network consisting of more than 80 sales and service personnel has spread over more than 20 provinces and cities across the country. The factory has improved and strengthened the internal quality assurance system. The product has passed the production license acceptance, obtained the mining safety sign certificate, the national mandatory CCC certification, and the ISO9001-2000 international quality system certification, which has greatly improved the overall quality of the company. . The company specializes in producing all kinds of standard wire and cable. The price is absolutely the lowest in the market. YC rubber cable, YH welding cable, JHS waterproof cable, SBH rubber cable, MY mine rubber cable, VVVLV copper core, aluminum Core PVC insulated PVC sheathed power cable VV22VLV22 copper core, aluminum core PVC insulated poly steel tape armored PVC sheathed power cable BVBVRRVVRVVPKVVKVV22KVVP. Tianjin Cable Plant Rubber & Plastic Cable Factory adheres to the tenet of “Quality First, Customer Foremost†and set up factories. It is dedicated to customer service. Founded in 1972, it is an affiliated enterprise of Tianjin Cable Plant and Tianjin Kitty Cable Co., Ltd. Corporate member companies.
2. The capacitive reactance of the frequency cable and the wire material determine the range of the transmission signal frequency. If there is image blurring in the proper transmission distance, most of the cables do not meet the requirements of high frequency transmission, resulting in high frequency band loss of the signal (image detail). General rubber sheathed flexible cable, rubber sheathed flexible cable for mining, mine shielded cable, waterproof rubber flat cable, electric welding cable, mining electric drill cable, coal mining machine cable produced by Tianjin Cable General Factory Rubber and Plastic Cable Factory, High-voltage rubber sheathed cables, power cables, flame-retardant and fire-resistant power cables, control cables, and cloth wires have been widely used in the basic industries and modernization projects such as mining, power, metallurgy, petroleum, fire protection, chemical engineering, and two-network transformation. It has 485 employees, 13 senior engineers, 25 engineering technicians and 180 professionals of various types in the state-level key construction projects. Tianjin Cable Plant rubber cable plant covers an area of ​​48,000 square meters, construction area of ​​31,000 square meters, fixed assets of 46 million yuan, annual production capacity of 320 million yuan. Our factory has advanced production equipment, excellent manufacturing technology, complete testing means and strong technical force. The sales service network consisting of more than 80 sales and service personnel has spread over more than 20 provinces and cities across the country. The factory has improved and strengthened the internal quality assurance system. The product has passed the production license acceptance, obtained the mine safety sign certificate, the national mandatory CCC certification, and the ISO9001-2000 international quality system certification, which has greatly improved the overall quality of the company. . The company specializes in producing all kinds of standard wire and cable. The price is absolutely the lowest in the market. YC rubber cable, YH welding cable, JHS waterproof cable, SBH rubber cable, MY mine rubber cable, VVVLV copper core, aluminum Core PVC insulated PVC sheathed power cable VV22VLV22 copper core, aluminum core PVC insulated poly steel tape armored PVC sheathed power cable BVBVRRVVRVVPKVVKVV22KVVP. Tianjin Cable Plant Rubber & Plastic Cable Factory adheres to the tenet of “Quality First, Customer Foremost†and set up factories. It is dedicated to customer service. Founded in 1972, it is an affiliated enterprise of Tianjin Cable Plant, Tianjin Kitty Cable Co., Ltd. Corporate member companies.
3. The interference cable is also a huge antenna that will absorb the electromagnetic waves that exist in the space. If the cable is not shielded or shielded, any type of electromagnetic interference will directly affect the useful signal, reducing the signal to noise ratio of the signal. 4. As with all electronic circuits, the physical properties of the cable can also be affected by the ambient temperature. The physical parameters of the cable have different performance in different temperature ranges. In engineering applications, cables are typically installed on walls, ceilings, and instrument racks because the ventilation conditions in these places are not ideal and they tend to produce higher temperatures. Therefore, the allowable operating temperature range of the selected cable should be applicable to these environments. General rubber sheathed flexible cable, rubber sheathed flexible cable for mining, shielded cable for mine use, waterproof rubber flat cable, manufactured by Rubber Cable Factory of Tianjin Cable Works, Electric welding machine cables, mining electric drill cables, cables for coal mining machines, high pressure rubber sheathed cables, power cables, flame-retardant and fire-resistant power cables, control cables, and cloth wires have been widely used in mining, power, metallurgy, petroleum, firefighting, and chemical industries. , two network transformation and other basic industries and modern engineering support, and repeatedly applied in the national key construction projects in the Tianjin Cable Plant rubber cable plant employees 485 people, 13 senior engineers, 25 engineering and technical personnel, each 180 professionals. Tianjin Cable Plant rubber cable plant covers an area of ​​48,000 square meters, construction area of ​​31,000 square meters, fixed assets of 46 million yuan, annual production capacity of 320 million yuan. Our factory has advanced production equipment, excellent manufacturing technology, complete testing means and strong technical force. The sales service network consisting of more than 80 sales and service personnel has spread over more than 20 provinces and cities across the country. The factory has improved and strengthened the internal quality assurance system. The product has passed the production license acceptance, obtained the mine safety sign certificate, the national mandatory CCC certification, and the ISO9001-2000 international quality system certification, which has greatly improved the overall quality of the company. . The company specializes in producing all kinds of standard wire and cable. The price is absolutely the lowest in the market. YC rubber cable, YH welding cable, JHS waterproof cable, SBH rubber cable, MY mine rubber cable, VVVLV copper core, aluminum Core PVC insulated PVC sheathed power cable VV22VLV22 copper core, aluminum core PVC insulated poly steel tape armored PVC sheathed power cable BVBVRRVVRVVPKVVKVV22KVVP. Tianjin Cable Plant Rubber & Plastic Cable Factory adheres to the tenet of “Quality First, Customer Foremost†and set up factories. It is dedicated to customer service. Founded in 1972, it is an affiliated enterprise of Tianjin Cable Plant and Tianjin Kitty Cable Co., Ltd. Corporate member companies.
5. The slope of the slope is to describe the time difference between the different lengths of twisted pairs for signal transmission. It depends on the twisting process and type of the twisted pair. When a large delay error occurs, the cable needs to be slope compensated. General rubber sheathed soft cable produced by Rubber Cable Factory of the City Cable Plant, rubber sheathed flexible cable for mining, shielded cable for mining, waterproof rubber flat cable, electric welding cable, mining electric drill cable, cable for shearer, high voltage Rubber sheathed cables, power cables, flame-retardant and fire-resistant power cables, control cables, and cloth wires have been widely used in the basic industries and modernization projects such as mining, power, metallurgy, petroleum, fire protection, chemical engineering, and two-network transformation, and have been applied many times. Among the state-level key construction projects, Tianjin Cable Plant Rubber & Plastic Cable Factory employs 485 people, 13 senior engineers, 25 engineering and technical personnel, and 180 professional personnel. Tianjin Cable Plant rubber cable plant covers an area of ​​48,000 square meters, construction area of ​​31,000 square meters, fixed assets of 46 million yuan, annual production capacity of 320 million yuan. The factory has advanced production equipment, excellent manufacturing technology, complete testing methods and strong technical force. The sales service network consisting of more than 80 sales and service personnel has spread over more than 20 provinces and cities across the country. The factory has improved and strengthened the internal quality assurance system. The product has passed the production license acceptance, obtained the mine safety sign certificate, the national mandatory CCC certification, and the ISO9001-2000 international quality system certification, which has greatly improved the overall quality of the company. . The company specializes in producing all kinds of standard wire and cable. The price is absolutely the lowest in the market. YC rubber cable, YH welding cable, JHS waterproof cable, SBH rubber cable, MY mine rubber cable, VVVLV copper core, aluminum Core PVC insulated PVC sheathed power cable VV22VLV22 copper core, aluminum core PVC insulated poly steel tape armored PVC sheathed power cable BVBVRRVVRVVPKVVKVV22KVVP. Tianjin Cable Plant Rubber & Plastic Cable Factory adheres to the tenet of “Quality First, Customer Foremost†and set up factories. It is dedicated to customer service. Founded in 1972, it is an affiliated enterprise of Tianjin Cable Plant, Tianjin Kitty Cable Co., Ltd. Corporate member companies.
6. Impedance impedance is one of the important parameters for describing the technical specifications of a cable. It establishes a baseline for the correct flow of signals.
This signal flow maintains the power conversion of the entire system. Imagine the flow of water through a large diameter pipe, as long as the diameter of the pipe remains constant, the structure and flow of the water will not change. When the water flow was introduced into a small mouth water pipe, the situation changed: due to the bottleneck, the structure of the water flow was disrupted, all the water flow could not pass through the bottleneck at the same time, causing part of the water flow to flow in the opposite direction, and finally it was still The process of re-introducing water into the mainstream. General rubber sheathed flexible cable, mining rubber sheathed flexible cable, mining shielded cable, waterproof rubber flat cable, electric welding cable, mining electric drill cable produced by Tianjin Cable General Factory Rubber Cable Factory , Shearer cables, high-voltage rubber sheathed cables, power cables, fire-retardant and fire-resistant power cables, control cables, and cloth wires have been widely used in basic industries such as mining, power, metallurgy, petroleum, fire protection, chemical engineering, and two-network transformation. Supporting modern engineering, and repeatedly applied in the state-level key construction projects, the Tianjin Cable Plant rubber cable plant has 485 employees, 13 senior engineers, 25 engineering and technical personnel, and 180 professionals. Tianjin Cable Plant rubber cable plant covers an area of ​​48,000 square meters, construction area of ​​31,000 square meters, fixed assets of 46 million yuan, annual production capacity of 320 million yuan. The factory has advanced production equipment, excellent manufacturing technology, complete testing methods and strong technical force. The sales service network consisting of more than 80 sales and service personnel has spread over more than 20 provinces and cities across the country. The factory has improved and strengthened the internal quality assurance system. The product has passed the production license acceptance, obtained the mine safety sign certificate, the national mandatory CCC certification, and the ISO9001-2000 international quality system certification, which has greatly improved the overall quality of the company. . The company specializes in producing all kinds of standard wire and cable. The price is absolutely the lowest in the market. YC rubber cable, YH welding cable, JHS waterproof cable, SBH rubber cable, MY mine rubber cable, VVVLV copper core, aluminum Core PVC insulated PVC sheathed power cable VV22VLV22 copper core, aluminum core PVC insulated poly steel tape armored PVC sheathed power cable BVBVRRVVRVVPKVVKVV22KVVP. Tianjin Cable Plant Rubber & Plastic Cable Factory adheres to the tenet of “Quality First, Customer Foremost†and set up factories. It is dedicated to customer service. Founded in 1972, it is an affiliated enterprise of Tianjin Cable Plant, Tianjin Kitty Cable Co., Ltd. Corporate member companies.
Mismatches in cable transmission impedance can also cause similar phenomena as described above: the electronic signal is re-imported. The initial signal effect is called reflection. The mutual interference of transmitted and reflected waves causes the voltage amplitude to form a standing wave, using VSWR (voltage standing wave). Ratio).
In video systems, impedance matching is a serious issue in system design. Early in the coaxial cable BNC type connector there are both 50_ and 75_ specifications, and now 75_, 50_ impedance cables and connectors for video impedance are currently only used in RF signals. Short-distance impedance mismatch will affect the high-frequency details of the image, causing the screen to appear “ghost phenomenon†General rubber sheathed cable, mining rubber sheathed cable, mine shielded cable produced by Tianjin Cable General Factory Rubber and Plastic Cable Factory, Waterproof rubber flat cable, welding machine cable, mining electric drill cable, coal mining machine cable, high pressure rubber sheathed cable, power cable, fire-retardant fire-resistant power cable, control cable, cloth wire and other products have been widely used in mining, power, metallurgy , petroleum, fire protection, chemical industry, two network transformation and other basic industries and modern engineering support, and repeatedly applied in the national key construction projects, Tianjin Cable Plant rubber cable plant 485 employees, 13 senior engineers, engineering There are 25 technicians and 180 professionals of various types. Tianjin Cable Plant Rubber Cable Factory covers an area of ​​48,000 square meters, a building area of ​​31,000 square meters, fixed assets of 46 million yuan and an annual production capacity of 320 million yuan. With advanced equipment, excellent manufacturing technology, complete testing methods, and strong technical force, the product sales service network consisting of more than 80 sales and service personnel has spread all over the country. Several provinces and cities, the factory improved and strengthened the internal quality assurance system, the product has passed the production license acceptance, obtained the mining safety sign certificate, the national mandatory CCC certification, ISO9001-2000 international quality system certification, so that the overall quality of the enterprise With great improvement, the company specializes in producing all kinds of standard wire and cable, the price is absolutely the lowest in the market, now there are YC rubber cable, YH welding cable, JHS waterproof cable, SBH rubber control cable, MY mining rubber cable , VVVLV copper core, aluminum core PVC insulated PVC sheathed power cable VV22VLV22 copper core, aluminum core PVC insulated poly steel tape armored PVC sheathed power cable BVBVRRVVRVVPKVVKVV22KVVP Tianjin Cable Plant Rubber Cable The factory adheres to the tenet of “Quality First, Customer Foremost†and set up factories. It is dedicated to providing services for users. It was founded in 1972. It is an affiliated enterprise of Tianjin Cable Plant and a member company of Tianjin Kitten Cable Co., Ltd.
7. Attenuation of a signal by an attenuation cable is also known as insertion loss in decibels (dB). A normal cable provides a loss table describing the attenuation of the cable at different frequencies per unit length. For example, the attenuation value of a cable is expressed as -2.2dB/30m@100MHz. It means that this cable will generate -2.2dB insertion loss when transmitting a 100MHz bandwidth signal at a length of 30m. The insertion loss of the cable is cumulative and the signal attenuation values ​​for different frequencies are also different. With the same bandwidth signal, the cable length is doubled and the insertion loss is also doubled. For example, the above cable will generate -4.4dB insertion loss when transmitting a 100MHz bandwidth signal at a length of 60m. General rubber sheathed flexible cable, rubber sheathed flexible cable for mining, mine shielded cable, waterproof rubber flat cable, electric welding cable, mining electric drill cable, coal mining machine cable produced by Tianjin Cable General Factory Rubber and Plastic Cable Factory, High-voltage rubber sheathed cables, power cables, flame-retardant and fire-resistant power cables, control cables, and cloth wires have been widely used for basic industries and modernization projects such as mining, power, metallurgy, petroleum, fire protection, chemical engineering, and two-network transformation. It has 485 employees, 13 senior engineers, 25 engineering technicians and 180 professionals of various types in the state-level key construction projects. Tianjin Cable Plant rubber cable plant covers an area of ​​48,000 square meters, construction area of ​​31,000 square meters, fixed assets of 46 million yuan, annual production capacity of 320 million yuan. Our factory has advanced production equipment, excellent manufacturing technology, complete testing means and strong technical force. The sales service network consisting of more than 80 sales and service personnel has spread over more than 20 provinces and cities across the country. The factory has improved and strengthened the internal quality assurance system. The product has passed the production license acceptance, obtained the mining safety sign certificate, the national mandatory CCC certification, and the ISO9001-2000 international quality system certification, which has greatly improved the overall quality of the company. . The company specializes in producing all kinds of standard wire and cable. The price is absolutely the lowest in the market. YC rubber cable, YH welding cable, JHS waterproof cable, SBH rubber cable, MY mine rubber cable, VVVLV copper core, aluminum Core PVC insulated PVC sheathed power cable VV22VLV22 copper core, aluminum core PVC insulated poly steel tape armored PVC sheathed power cable BVBVRRVVRVVPKVVKVV22KVVP. Tianjin Cable Plant Rubber & Plastic Cable Factory adheres to the tenet of “Quality First, Customer Foremost†and set up factories. It is dedicated to customer service. Founded in 1972, it is an affiliated enterprise of Tianjin Cable Plant and Tianjin Kitty Cable Co., Ltd. Corporate member companies.
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