10 MHz Crystal Oscillator (CB6143E)

This Siliconix circuit was found in a 1980s documentation. The coil consists of 18 turns of 22 toroidal wire with an inductance of 1 uH.

Frequency Tripler (CB4145E)
Varicap or varactor is the basic component used in this circuit of an American 80's documentation. The...
PUT and SCR voltage regulafor (CB4257E)
The purpose of this regulator is to regulate the RMS voltage in an alternating current load. The...
Power Amplifier Stage (CB3833E)
This audio stage can be used in siren circuits, sound effects and others to excite a few watts...