Found in Radio Electronics from the 90s, this circuit has several outputs with different pulse times. The circuit is CMOS and can be powered by voltages from 5 to 15 V.
The transistors in this 1978 circuit can be BC548 and 1N4148 diodes. The electrolytic capacitors can be...
This circuit was obtained in the 1994 National Linear Application Handbook. The circuit admits other...
This is the basic version of a gain 20 amplifier with the LM386 providing a few hundred...