All IC Audio Amp

By Nadisha 4S7NR

Nothing much to write about it. It is has a op-amp of a 8pin dual op-amp package working as a low pass filter - pre amplifier. One can use a 741 op-amp instead of IC1b, but the pin connection will differ. This has an accompanion receiver that uses other section of the op-amp IC2a.


Return to Qrp Home Page | QRP Accessories Page