In the figure we have an IF amplifier step using a MOSFET. The circuit was found in a 1980s documentation, intended for FM receivers of the time.
This bistable with transconductance operational amplifier was found in early National...
This circuit can be used as a control shield for microcontrollers of all types. The supply is made...
I got this circuit from an English magazine from 1977. It can still be easily assembled, as the...