This optical tachometer with LASCR was found in a 1965 General Electric documentation. The diode at the input is an unusual type today.
With this circuit it is possible to use a control voltage to select audio signals that pass...
This CMOS oscillator includes the frequency divider to generate a 400 Hz signal and a 1.6 MHz...
The circuit presented uses an integrated circuit Sanyo, not very common in our day. This amplifier provides...