This 10.7 MHz sweep generator circuit is suitable for applications in the analysis of FM devices with the oscilloscope. The circuit is from American documentation from the 80s.
This filter for the 300 Hz to 3 kHz range was found in an American documentation from the 90's....
The battery is charged by the photocell that keeps the low consumption beacon in the dark. The...
This is the typical circuit of an FET amplifier stage in the common source configuration. The circuit is...