This 200 kHz oscillator was found on a 90's EDN. It consumes only 2.8 mW and has CMOS compatible output. CMOS power pins are not indicated.
This circuit is from a technical documentation from the 70s. It makes use of married transistors in a...
This strobe light circuit with incandescent lamp was found in a 1978 publication. We can mount it with...
This circuit produces a square wave signal with the frequency determinated by R1 and C1. The upper limit...