This circuit was found in a Popular Electronics documentation from the 90s. It is possible to switch the frequency of an oscillator by voltage. The circuit can act as a shield.
) This is the original application of the National Semiconductor LM3909 low consumption pulsator. The LED...
Antenova Grandis antennas can be purchased from Mouser Electronics for frequencies from 868 MHz to...
This circuit, which can act as a shield, was found in a 1969 documentation. The circuit uses...