This circuit causes an LED to flash at a frequency determined by the capacitor. The circuit is powered by only 3 V and can be used for signaling.
This high-voltage regulator uses only two components. The resistor is a wound wire type with 1 W...
This circuit was found in a 90's EDN. The circuit has a well-known configuration. The voltage...
The first integrated circuit of this receiver, a PLL from the 90s, is no longer easily found on...