Non Inverting Amplifier (CB6437E)

This non-inverting AC amplifier was found on a Popular Electronics. The setting applies to any operational amplifier.

Easy Tuning Square and Sine Oscillator (CB4927E)
We found this circuit in an American 1980s documentation. The circuit can be assembled with modern...
Basic dimmer with triac (CB25882E)
This circuit is from an Electronics Now from August 1995. The triac is according to the load that...
Field Strength Meter (CB5189E)
This circuit can operate with signals from 1.5 to 150 MHz. C1 is 36 pF and C2 is 4n7. The diode...