Found in American documentation from the 1980s, this circuit has a throughput of 700 Hz and a flat response of 400 to 500 Hz, with crystals of 3 MHz. Crystals of 2 to 15 MHz can be used.
We found in an old documentation how to use a 555 as a monostable key. The circuit should not be...
This configuration shows how to use two National Semiconductor 4 A amplifiers bridged. The circuit is...
This circuit is suggested by Motorola in its 1990 Linear Databook. The integrated circuit is no...