This circuit was obtained from a 90s Radio Electronics. The integrated circuit used HAA11508 is not a common component today.
This differential amplifier, found in a 1964 Electronic Design, has a gain of 30. The setting can be...
This mid-waveband wireless microphone was found in a Raytheon transistor manual from the 1960s. The...
This circuit is based on the bistable configuration, but with the difference that the values of...