High output house connection and cascade amplifier with active return channel, for use as a power amplifier as well as a cascade amplifier in the NE4 line of modern cable television distribution systems, all on board: All important functional units are fully integrated on the circuit board, forward frequency range 40/85-1006 MHz, active return channel 5-65 MHz, return channel on/off/active/passive, return channel gain 32 dB, rotary switch in 1 dB steps for attenuation and line equalization (0-15 dB), interstage: jumper for attenuation and line equalization (forward + backward), integrated test sockets.
