Found in a 1980s documentation, this amplifier uses an integrated circuit that is not easy to obtain now as it is of the era. The circuit is intended for FI ceramic filter circuits.
This circuit was found in a 1997 magazine. It uses a CMOS 4060 circuit powered by 12 V which is...
This circuit is from the Motorola Linear Databook of 1990. The values of the components depend on the...
This circuit uses a FET and a BJT to give a x300 gain for the input signal. So a 50 mV signal at...