This decorative circuit was found in the July 1994 issue of Electronics Now magazine. It makes LEDs blink in a face-shaped allegory. The frequencies are given by the capacitors in the oscillators.
This circuit generates signals for adjustments in FIs of 10.7 MHz. The transistors can be BC548 or...
We found this configuration in a 1978 publication for radio amateurs. The pulse duration is given...
This circuit sequentially drives loads connected to its outputs or even applies the signals to the...