This audio mixer was found in an old American documentation. The potentiometers are 1M and the input capacitors are 100 nF. The circuit requires power supply voltages from12 to 18 V.
This circuit can be found elsewhere on this site as part of alarms or sirens. The circuit given is...
This 3-digit code switch was obtained from an old American documentation. The capacitor is 470 uF...
Found in a 1967 Electronic Design, this circuit changes the phase of a signal in 8 different ways, given...