With this circuit you can produce the sound effect passing from one channel to another. The circuit is from Mullard documentation from the 1960s. The transistors may be the BC548.
We found this circuit in a 1964 Electronic Design. It divides the frequency of a 20 MHz signal by...
TR1 must be mounted on a heatsink in this circuit. Voltage output is 8.6 V but this value can be...
This circuit generates sequenced pulses to control a stepper motor. The speed at which the pulses...