The RF Workbench

We seek to understand and document all radio transmissions, legal and otherwise, as part of the radio listening hobby. We do not encourage any radio operations contrary to regulations. Always consult with the appropriate authorities if you have questions concerning what is permissible in your locale.

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Subject / Started by	Replies / Views	Last post
Common and Precious 4 (on air, 6.399.5kHz, 2W) Started by Zazzle	8 Replies 4554 Views	August 11, 2018, 0715 UTC by muromdx
Beacon Project "Common and Precious III" (OFF air, 26510 kHz, 8W) Started by Zazzle « 1 2 3 »	41 Replies 60367 Views	August 07, 2018, 1754 UTC by syfr
Beacon Project "Common and Precious II" (OFF air, 6.398.5kHz, 30W) Started by Zazzle « 1 2 3 »	40 Replies 114204 Views	July 24, 2018, 2316 UTC by Zazzle
What exactly could cause a modulation transformer to ocscillate? Started by RadRoadrunner	14 Replies 4788 Views	July 24, 2018, 0136 UTC by Pigmeat
Beacon Project "Common and Precious" (OFF air, 10.237,5kHz, 5W) Started by Zazzle « 1 2 3 4 5 »	61 Replies 60394 Views	July 17, 2018, 1932 UTC by Zazzle
A newbie question about a transmitter Started by CharlieFoxtrot	12 Replies 5908 Views	June 30, 2018, 1947 UTC by Pigmeat
Engineering Paper in 1997 devotes discussion on class E amp 13 mhZ Started by digitalmod	13 Replies 3875 Views	June 29, 2018, 1358 UTC by radiogaga
Crystal question Started by JimIO	8 Replies 2439 Views	June 27, 2018, 2112 UTC by Josh
3kw pep solid state amp 1.8-54 mhz Started by digitalmod	14 Replies 7795 Views	June 27, 2018, 1913 UTC by TheRelayStation
Q about strange tuning on a valve TX Started by Brian	7 Replies 3181 Views	June 27, 2018, 1601 UTC by syfr
does anyone on here know if an IRF610 is a replacement for a IRF510 Started by ka1iic	14 Replies 9420 Views	April 27, 2018, 0002 UTC by redhat
TX-ONLY SDR HACKED FROM COMMODITY $5 USB TO VGA ADAPTERS Started by ChrisSmolinski	0 Replies 1822 Views	April 23, 2018, 1418 UTC by ChrisSmolinski
µC based Class E RTTY with Crystal pulling Started by Zazzle	1 Replies 1938 Views	April 10, 2018, 1759 UTC by Josh
A 1 Kw output broadband package Started by digitalmod	9 Replies 3196 Views	February 19, 2018, 0023 UTC by digitalmod
Amplifier Topologies and Classes Started by JimIO	5 Replies 2134 Views	February 12, 2018, 2217 UTC by Stretchyman
Xtal Replacement Started by Stretchyman	14 Replies 3671 Views	February 12, 2018, 0710 UTC by Stretchyman
Power Supply for TX Started by ION Radio « 1 2 »	16 Replies 4862 Views	February 02, 2018, 1700 UTC by ChrisSmolinski
Amperage of Fuse in Streachy Lunch Box Started by digitalmod	9 Replies 2914 Views	February 02, 2018, 1330 UTC by Stretchyman
Found a junk BOX Class E working on 40 meters Started by digitalmod	1 Replies 1825 Views	January 27, 2018, 1918 UTC by Pigmeat
Series of tech discussions on RF Class E amplifiers Started by digitalmod	3 Replies 2138 Views	January 23, 2018, 2206 UTC by digitalmod

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