Simple Cable TV Amplifier Circuit


Posted on Feb 6, 2014

This cable tv amplifier circuit is a rf amplifier designed to be quickly installed between two coaxial cables. Both input and output impedances are compatible with 75 © cables. The main amplifier si T1 transistor, T2 is working as an emitter follower. The feedback bias is determined by R3 and R4. Because of the high frequency limit of transistors


Simple Cable TV Amplifier Circuit
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(<= 2GHz) the tv amplifier works well up to 150 MHz. It must be housed in a metal case and the coaxial cables must de 75 © type. The total current consumption of this tv cable amplifier circuit is around 20mA.




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