This circuit was obtained from an 80's Radio Electronics. The circuit decodes “scrambled” or sinusoidal encoded signals by providing an audio signal at the output.
This 45 to 90 Hz hum elimination circuit was obtained from a 1980s documentation. The operational can...
This circuit is suggested by the Optoelectronics Sourcebook by Texas Instruments when AC signals...
This amplifier for a sinusoidal function generator uses a 741 integrated circuit. The circuit is...