This amplifier circuit with a low power MOSFET was found in Popular Electronics from the 90s. The circuit uses a small transformer of the type found in old transistor radios.
Using 18 or 24 MHz crystals, this circuit is intended for producing reference signals with...
This circuit was obtained from a Linear Technology manual from the 1990s. The sensor is of the...
This circuit is from the manual of the used operational amplifier itself. The same setting can be...