We found this circuit in the Philips integrated circuits manual of 1990. The circuit must be powered by a symmetrical high current source. The integrated circuit must have a good heat radiator.
With this circuit it is possible to use a control voltage to select audio signals that pass...
Found on an Elektor from the 90s, this TTL circuit generates a predetermined number of pulses with a...
Using the CK722 this directional photometer was published in Radio Electronics magazine in July...