6035 18.432 ceramic
Chip ceramic capacitor
The circuit uses National Semiconductor's LM389 op amp, which has three transistors placed on the same chip to provide the high input impedance required for the ceramic cartridge, and the input transistor acts as a high-impedance emitter follower. The remaining transistors form a high-gain Darlington pair as active components for low-distortion Baxandall audio control circuits.
- The Description of TV Antenna
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In the Cable TV system, the task of the antenna is to receive the open channel TV signal or satellite TV signal in the air, and send it to the system for processing, transmission and distribution. Among them, the antennas receiving VHF and UHF open-circuit TV signals are called TV receiving antennas.
- TV receiving antenna is an important part of wireless TV signal receiving, and it is the gate for radio waves to enter the CATV system. There are two kinds of antenna: passive antenna and active antenna. The active antenna can make the antenna system realize high gain and high signal-to-noise ratio receiving.
The Picture of TV Antenna
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