Indicated for alarm applications, this circuit was found in the December 1976 issue of Radio Electronics magazine. The circuit is for 12 V car applications.
The integrated circuit used in this amplifier is not common today. The power can be between 4 and...
We found this circuit in the Texas Instruments opto-electronics manual. The button resets and the...
This TTL circuit with the 7493 makes the binary count of the pulses sent by a flip-flop with the...