Power cables and wires and cables play an important role in people's life and production. Do you know what to pay attention to when purchasing power wires a...
Although the wire and cable industry is only a supporting industry, it occupies 1/4 of the output value of China's electrical industry. It has a wide variet...
Cable is a general term for optical cables, cables and other items. There are many uses of cables, mainly used for multiple functions such as control installati...
Wire and cable are a large category of electrical products used to transmit electricity, transmit information and realize electromagnetic energy conversion. Wir...
Residential homes typically use a LAN and use a broadband modem to connect to the Internet WAN through an Internet Service Provider (ISP). The ISP provides the ...
Answer: The debugging of cable TV optical transceiver should pay attention to the following aspects:1) Correctly select the input level of the RF signal.The RF ...
Answer: CATV optical splitter is divided into fused taper fiber splitter and planar optical waveguide power splitter (PLC Optical Power Splitter). The first one...
Answer: The main component of the optical receiver is the photodetector, that is, the high-sensitivity photodiode (PIN). The photodiode uses the photoelectric e...
Answer: CATV optical transmitters are divided into direct modulation optical transmitters and external modulation optical transmitters according to their workin...
Answer: The most important optical device in a cable TV optical transmitter is a semiconductor laser. In fact, it is a laser diode (Laser Diode, LD). Of course,...
Answer: When light is transmitted in the optical fiber, some distortion will also occur. The reasons for the distortion are as follows:(1) In the optical fiber ...
1. What are the development and advantages of the optical fiber transmission system of cable TV optical transceivers?Answer: The transmission of TV signals and ...
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