This 1 kHz circuit was found in American documentation from the 90s. The original operational amplifier consists of a double 741 at the time. The power supply must be symmetrical.
This circuit is suggested by Motorola and makes use of a phototransistor with its own...
Found in a 90s Linear Technology documentation, this circuit supplies current to a load through a...
August 2016 - It can be obtained from Mouser Electronics the new clock buffers HMC7043 of Analog...