This circuit was found in a 73 magazine for radio amateurs of the 90s. The circuit uses two types of indicators, the diodes are for general use. The power supply is 5 V.
We found this circuit in a 1965 General Electric documentation. The circuit generates synchronized...
Found in Elektor Electronics from the 90s, this circuit can generate signals from 1 kHz to 9 MHz,...
This circuit was obtained from a 2005 Linear Technology manual. The circuit is self-powered and can...