AC Delay (CB21433E)

This trigger-delay circuit was found in a 1960s General Electric unijunction transistor manual. The circuit applies to the 2N2646.

| Clique na imagem para ampliar |

Q Multiplier (CB21745E)
The purpose of this circuit is to increase the selectivity of receivers with ferrite antennas. The circuit...
AC Power Switch with Optocoupler (CB12416E)
This solid-state relay circuit (SSR) or shield is from a 1995 Electronics Now. With it we can...
Ceramic Pickups Preamplifier (CB15754E)
We show a channel of a simple preamplifier for ceramic capsules. This circuit is based on a very...