This small signal amplifier circuit was found in Motorola's 1969 documentation. The FET and the transistor can be of any type and is battery powered since the consumption is very low.
Other operational amplifiers from the same family such as MC34002, MC35001, MC34004 and MC35004 can...
This circuit for 12 V relays was found in the July 1992 Radio Electronics magazine. The circuit is set...
The figure shows how to add a Darlington stage to an operational amplifier in order to obtain a...