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160m Projects - Transmitters

Clickt oe enlargeLM317 Transmitter by SMØVPO
A few years ago I built myself an HF CW QRP transmitter, based upon an LM317T voltage regulator chip!!!.
http://www.sm0vpo.altervista.org/tx/317-tx.htm
 

Click to enlargeSender mit Röhre RS291 durch DL9EBA
Dieser Aufbau entstand nach einer Vorlage aus der DASD-Clubzeitschrift CQ von 1935. Es wurden Bauteile benutzt, die man noch heute auf diversen Amateurfunkflohmärkten bekommt.
http://home.arcor.de/dohmen-hape/rs291tx.html

Click to enlargeThe VK1SV classy Class-E 160 m AM transmitter by VK1SV/SV1DET
I will document here my adventures in the Class-E land. For those not familiar with this excellent and easy technique for producing high power extremely efficiently, there is no better introduction than the Class-E RF Power Amplifiers paper, by Nathan O. Sokal, WA1HQC.
http://people.physics.anu.edu.au/~dxt103/160m/


Creation date : 11/08/2007 @ 23:02
Last update : 05/09/2015 @ 20:31
Category : 160m Projects
Page read 19530 times


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