This circuit was found in documentation from Analog Devices from the 90s. The circuit uses components from that time, which are uncommon today.
This 2001 circuit is used with transceivers to increase the gain of a microphone and thus obtain...
This circuit was obtained from ancient American documentation. The circuit combines a JFET with a...
We found this circuit in documentation from the 1980s. The operational amplifier admits equivalent and...