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Single tube transmitter for medium wave band
Автор: landsknecht92
Загружено: 2020-05-04
Просмотров: 3505
Описание:
Specifications below:
This is a junkbox project, I built this transmitter from the parts I found at home.
Original circuit from this site: http://nmwilliam.tripod.com/el84.html
Modification: This transmitter is built for medium wave band (530 - 1600 kHz), tube is a PL504 line output pentode from an old TV set.
The transmitter is tuned to 1379 kHz (crystal stabilized)
I did not test the maximum range, but with a 3m long wire I can clearly receive from 20m.
The modulator transformer is driven by a very simple one mosfet audio amplifier.
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