Found in an Electronic Design of 1964, this circuit operates with control voltages from 0 to 12 V determining the duration of the pulses.
The circuit shown in the figure generates a rectangular signal that depends on R and C, when its...
This Radio Electronics circuit, in an 80's edition, decodes the 67 kHz signal used at the time to...
The transistors of this circuit may be general purpose and the power supply comes from the TTL...