Precision differential amplifier (CB20907E)

This circuit has a 60 dB gain and a bandwidth of 68 MHz. We find it in Maxim's documentation.

Reservoir Level Monitor and Controller (CB17448E)
The sensors in this circuit, found in a 1999 documentation, are stripped wire tips at different levels...
1 to 4 MHz CMOS Oscillator (CB9658E)
This traditional crystal oscillator configuration can use any CMOS gate configured as an inverter. R1...
Simple AC129 or OC80 stage (CB4266E)
This amplification stage circuit with a germanium transistor was found in a 1980s documentation. The...