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
Xtal Replacement Started by Stretchyman	14 Replies 5559 Views	February 12, 2018, 0710 UTC by Stretchyman
Amplifier Topologies and Classes Started by JimIO	5 Replies 3059 Views	February 12, 2018, 2217 UTC by Stretchyman
A 1 Kw output broadband package Started by digitalmod	9 Replies 4555 Views	February 19, 2018, 0023 UTC by digitalmod
µC based Class E RTTY with Crystal pulling Started by Zazzle	1 Replies 2563 Views	April 10, 2018, 1759 UTC by Josh
TX-ONLY SDR HACKED FROM COMMODITY $5 USB TO VGA ADAPTERS Started by ChrisSmolinski	0 Replies 2396 Views	April 23, 2018, 1418 UTC by ChrisSmolinski
does anyone on here know if an IRF610 is a replacement for a IRF510 Started by ka1iic	14 Replies 11632 Views	April 27, 2018, 0002 UTC by redhat
Q about strange tuning on a valve TX Started by Brian	7 Replies 4509 Views	June 27, 2018, 1601 UTC by syfr
3kw pep solid state amp 1.8-54 mhz Started by digitalmod	14 Replies 10951 Views	June 27, 2018, 1913 UTC by TheRelayStation
Crystal question Started by JimIO	8 Replies 3783 Views	June 27, 2018, 2112 UTC by Josh
Engineering Paper in 1997 devotes discussion on class E amp 13 mhZ Started by digitalmod	13 Replies 5866 Views	June 29, 2018, 1358 UTC by radiogaga
A newbie question about a transmitter Started by CharlieFoxtrot	12 Replies 10572 Views	June 30, 2018, 1947 UTC by Pigmeat
Beacon Project "Common and Precious" (OFF air, 10.237,5kHz, 5W) Started by Zazzle « 1 2 3 4 5 »	61 Replies 69740 Views	July 17, 2018, 1932 UTC by Zazzle
What exactly could cause a modulation transformer to ocscillate? Started by RadRoadrunner	14 Replies 7457 Views	July 24, 2018, 0136 UTC by Pigmeat
Beacon Project "Common and Precious II" (OFF air, 6.398.5kHz, 30W) Started by Zazzle « 1 2 3 »	40 Replies 143716 Views	July 24, 2018, 2316 UTC by Zazzle
Beacon Project "Common and Precious III" (OFF air, 26510 kHz, 8W) Started by Zazzle « 1 2 3 »	41 Replies 71664 Views	August 07, 2018, 1754 UTC by syfr
Common and Precious 4 (on air, 6.399.5kHz, 2W) Started by Zazzle	8 Replies 6427 Views	August 11, 2018, 0715 UTC by muromdx
Stretchyman 50W Tx Started by Stretchyman	2 Replies 3932 Views	August 26, 2018, 1740 UTC by Stretchyman
A legal limit am transmitter for 75/160 meters from WO1U Started by redhat « 1 2 »	20 Replies 11281 Views	August 28, 2018, 2300 UTC by redhat
zeppelin radio homemade transmitter video presentation Started by zeppelin radio	7 Replies 4559 Views	September 20, 2018, 1231 UTC by TheRelayStation
400W RF Generator Started by Stretchyman	0 Replies 2989 Views	October 08, 2018, 1440 UTC by Stretchyman

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