This circuit was published in an article in Radio Electronics magazine in October 1988. It uses components that are still common today, except for the sensor, which is a special type from that time.
Found in National Semiconductor documentation from the 90s, this circuit makes use of components from...
This circuit was originally designed to measure capacitance with an ICL7107 but can be used with...
The TDA7000 is a Philips integrated circuit that contains a complete FM receiver with the need for...