This circuit for the 3 to 6 MHz band was found in a 90s Popular Electronics. The components of the network formed by C6 depend on the frequency range to be covered.
This circuit uses a transistor as noise source and a 741 IC as amplifier, sourcing a high...
August 2017 - Mouser Electronics already has in stock the new integrated circuit CP2615, which...
This circuit was found in a 90s Signetics documentation. The circuit is switched based on...