This circuit was found in a Popular Electronics from the 90s. The circuit has temperature compensation. Coil and capacitors depend on the frequency at which the circuit will be used.
This circuit was found in documentation from the 1980s. The control pulses are obtained by an...
This high current regulator for TTL circuits was found in an old French documentation from the...
This circuit is an alternative to the previous circuit. We found it in the same article in the...