Circuit Project Electronic

This device can be very illegal if you attach an external antenna so don’t. adjust frequency by turning trimmer. It is intended only as a practical joke device
read more : http://www.next.gr/inside-circuits/
TV-and-FM-jammer-schematic-l4106.html

This circuit shows an active antenna that can be used for AM, FM, and shortwave (SW). On the shortwave band this active antenna is comparable to a 20 to 30 foot wire antenna. This circuit is designed to be used on receivers that use untuned wire antennas, such as inexpensive units and car radios….
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This is a wide band amplifier cicuit which is suitable for the frequencies between 10MHz and 500MHz.
Wide band amplifiers are used in communication receivers, RF measuring equipment and tons of other devices. The circuit described here uses a state of the art transistor to get maximum performance at high frequencies. It can be used as [...]