Universal broadband amplifier with active 65 MHz return path, high level of return path control for operational reliability even with multi-channel load, attenuation in the input adjustable via level control 0 - 15 dB, equalizer in the input adjustable via level control 0 - 15 dB, interstage slope in the pre-path adjustable via level control 0 - 15 dB, attenuation in the return path adjustable via level control 0 - 15 dB, interstage slope in the return path adjustable via level control 0 -10 dB, 20 dB measuring point in the output, gain in the pre-path 40 dB, output level in the pre-path 107 dB V, gain in the return path 30 dB, output level in the return path 112 dB V (according to EN 60728-3, draft, 6 Ch./8 MHz, 256 QAM, BER
