Hcf4053be Circuit Diagram
Amplifier watt circuits channels identical Hcf4052 datasheet(pdf) Datasheet stmicroelectronics
70 Watt Stereo Amplifier Circuit - Homemade Circuit Projects
140w audio amplifier with ic stk070 Amplifier 140w power audio ic circuit output impedance approximately 8ohm dc 70 watt stereo amplifier circuit