This circuit found in old documentation can be used on old cars that do not have this feature. The integrated circuit used is uncommon today.
With the used coils and the power transistor this circuit amplifies the 5 W of a 11-meter...
This circuit can be used in PLL, frequency synthesizer in FM and VHF receivers, reducing a...
This circuit is from a Popular Electronics from the 90s. The circuit has a tone frequency...