This circuit was obtained from Motorola documentation. It generates light pulses at a rate of 120 per minute. Equivalent transistors can be used. The circuit can also excite high brightness LEDs.
This circuit is intended to recover a very weak signal at a receiver, for example, a CW signal or a...
Found in a 1964 Electronic Design this circuit makes use of components of the era. The output is 2 V...
This oscillator was found in the July 1993 Electronics Now magazine. The coil is wound with...