Interval for wiper (CB22113E)

This windshield wiper interval was found in an old documentation. The SCR can be the C106 and the transistor a BC548.

Temperature Stabilized Amplifier (CB19935E)
The pair of transistors matched in a single LM114 enclosure is not a common component today. The...
Remote listening amplifier (CB21957E)
Today we can call this circuit a baby monitor. It is a microphone amplifier found in a publication by...
5 V x 4A Power SUpply (CB12968E)
With this regulator we can have currents of up to 4 amps with 5V at the output. The transistor can be...