Non Inverting Amplifier (CB6437E)

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

Cascading the 4017 (CB12128E)
In the diagram we show how to divide the frequency by multiples of 10 using several CMOS...
LS4558N Line Amplifier (CB15204E)
The integrated circuit used in this application is a double 741 from SGS. The supply must be...
Digital Voltage Selector (CB10948E)
This circuit was found in a 1978 English magazine. It is a configuration that aims to select the...