Latching relay (CB25722E)

The figure shows how to connect a relay to obtain the latch effect. The circuit is from an Electronics Now from June 1994.

FM Transmitter with Auxiliary Input (CB17254E)
This circuit is from 2001 documentation and consists of a small FM transmitter with two inputs, one...
40 W Amplifier (CB16286E)
This amplifier, of excellent quality, provides a power of 40 W IHF, or 22 W RMS, in a load of 8...
5 V x 2 A Supply Regulator (CB19000E)
The input of this regulator can be between 7 and 12 V and the output is 5 V. The circuit is from...