High-speed buffer (CB9556E)

Found in a 1980s documentation, this circuit makes use of components from that time. Modern equivalents can be tried out.

Varicap Noise Generator (CB24708E)
Using the name of varactor this circuit was found in the Radio Electronics magazine of July 1982....
LM3900 Differentiator (CB14216E)
In the figure we have a differentiator with the LM3900 transconductance amplifier. The circuit is...
LM386 Amplifier (CB4852E)
This is one of the many approaches we have on the site for this low power 0.5 W amp using the...