Remote control tester (CB7823E)

This circuit from a 90s Electronics Now, uses a 4010 gate as a signal amplifier. The circuit triggers an indicator LED.

1.5 V White LED Flasher (CB20428E)
This circuit switched with the help of small inductors produces a peak voltage above 20 V that is...
Stereo Analog To Digital Converter TLV320ADC3100 (CB19660E)
In the figure we have an application circuit for the stereo to digital analog sound converter...
Amplitude Modulated RF Amplifier (CB15007E)
This circuit was found in a Poptronics of the 90's. The FET is double-gate, and the frequency...