Robin Liu

What is the main role of the trunk amplifier? What are its classification, characteristics, main technical indicators and their calculation? What kind of relationship exists between the carrier-to-noise ratio and the nonlinear index? The main function of a trunking amplifier is to. To offset the amount of attenuation of the signal by the transmission medium …

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470-862MHz Yagi Antenna Yagi Antenna Definition It is an end-fire antenna composed of an active vibrator, a passive reflector and several passive directors arranged in parallel. In the 1920s, this kind of antenna was invented by Yagi Shuji and Uda Tailang of Tohoku University in Japan, which is called “Yagi Uda Antenna”, or “Yagi Antenna” …

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According to the structure shape, can be divided into single-polarized split(LNB) and double feed integration (LNBF) two kinds, including bipolar feed integration HF head more types, according to the oscillation mode can be divided into single oscillation and dual oscillation two kinds. According to the output port can be divided into single output, dual output, …

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Signals emitted by satellite transponders Satellite transponders transmit signals either in C-band or KU-band, and these signals pass through space into terrestrial satellite TV reception systems. The role of satellite ground receiving antenna The role of the satellite ground receiving antenna is to receive the weak satellite signal propagated from space to the ground, and …

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Feeder for satellite TV receiving antenna The role of the feeder Speaking of satellite antenna, we have to mention the satellite feeder (satellite collector), in the satellite TV receiving antenna, the satellite feeder as the primary radiator of the antenna, is the heart of the antenna. Its role is to organize the electromagnetic wave reflected …

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