Sine to square converter (CB7329E)

Using a 555 this circuit was found in old documentation, but it is still valid.

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Strobe Light (CB17035E)
This strobe light circuit with xenon lamp was found in a 1995 documentation. The circuit is...
80m Transceiver (CB17092E)
This transceiver circuit was found in a 1997 documentation. The circuit operates in the 80 meters...
Current Sensor with TSC102, from STMicro (CB25412E)
The TSC102 integrated circuit from ST-Microelectronics consists of a current sensor system that, in...