LM390 gain 20 amplifier (CB25307E)

This audio circuit has an output power of 1 W. We found it in the Radio Electronics magazine of April 1990. The power supply is 6 V.

Audio Limiter (CB25429E)
We found this circuit in the January 1992 issue of Radio Electronics magazine. The circuit...
Divide-by-8 Counter - 4018 (CB170E)
The division by eight using the 4018 is made as shown here. It isn't necessary to use additional...
OPAx388 Precision Operational Amplifiers
May 2017 - Texas Instruments' new OPAx388 operational amplifiers can now be purchased from Mouser...