This circuit is from the Texas Instruments operating amplifier manual. Any operational can be used and the font need not be symmetrical. Rf and Rg determine the gain of the circuit.
The resistors on this circuit from an American publication from the 70s are 220 ohms. The circuit...
Greater simplicity for a radio receiver than that achieved by the author of this project found in a...
This astable multivibrator was obtained from a Mullard documentation from 1960. The components depend on...