This circuit is from a Radio Electronics from October 1963. The transistor is a power transistor of the time, and two transformers are used. The input has 10k impedance and is powered by 12 V.
This circuit is based entirely on TTL gates. The circuit must be powered by a voltage of 5...
This transmitter operates in the FM band emitting beeps that can be picked up on a common radio at...
This circuit was found in a 90s European documentation. The circuit already includes a powerful...