This TTL circuit generates a 100 MHz signal for digital instruments. The CI is not easy to obtain, being of the high speed MECL type. The circuit is from a 1972 Motorola manual.
Found in an Electronic Design from the 80s, this circuit uses an unusual component today, the...
The CMOS TLC555 can be gated from external CMOS circuits using the configuration shown here. The...
This circuit was obtained in a Motorola manual from 1978. We can use any triac and the coupler with...