This bench circuit was found in Radio Electronics magazine from June 1958. The circuit does not have an external power supply. The circuit generates signals from 12 Hz to 180 kHz in 4 bands.
We found in an old documentation how to use a 555 as a monostable key. The circuit should not be...
This configuration shows how to use two National Semiconductor 4 A amplifiers bridged. The circuit is...
This circuit is suggested by Motorola in its 1990 Linear Databook. The integrated circuit is no...