This simple signal generator with transistors was published in Radio Electronics magazine in November 1957. The circuit generates signals determined by the coil and modulation by the transformer.
The figure shows how to implement an overtemperature sensor with the Norton LM3900 amplifier. The...
An excellent signal generator for the audio track was found in a 1983 documentation. Its complete...
This circuit is used as a magnetic field sensor and is based on a Texas Instruments HaII Effect...