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
U-LULU (Updated LULU) for 48 meters, 20 Watt Class-E AM Transmitter Started by Charlie_Dont_Surf « 1 2 3 »	41 Replies 13408 Views	March 21, 2024, 0748 UTC by Charlie_Dont_Surf
User Programmable CW Keyer Kit For Beacons Started by ChrisSmolinski	1 Replies 3626 Views	February 01, 2019, 2018 UTC by KaySeeks
Using cheap, second-hand, car stereos for high performance DX'ing? YES!!!! Started by ThaDood	5 Replies 2439 Views	February 16, 2024, 1906 UTC by Brian
Using LM7805 regulators for AF / RF amps? Started by ThaDood	3 Replies 1523 Views	April 20, 2023, 2316 UTC by Charlie_Dont_Surf
Variable frequency oscillator design for HF Started by Radiotech	11 Replies 3954 Views	October 24, 2022, 1839 UTC by ThaDood
Wanna' communicate, and broadcast, with light? It can be done! Started by ThaDood	4 Replies 1842 Views	July 01, 2022, 2313 UTC by Pigmeat
Watch out for those cheap components Started by ChrisSmolinski	9 Replies 3845 Views	December 25, 2020, 0223 UTC by Kingbear Radio
Welcome to the Dark Side Started by ff	0 Replies 5594 Views	July 30, 2013, 2355 UTC by ff
West Virginia's Green Bank Rf Telescope gets a TX upgrade! Started by ThaDood	2 Replies 1510 Views	February 12, 2021, 1830 UTC by ThaDood
what power source and modulator used ? ? Started by RadioAnarchy	5 Replies 5611 Views	September 09, 2013, 1727 UTC by ff
What exactly could cause a modulation transformer to ocscillate? Started by RadRoadrunner	14 Replies 5882 Views	July 24, 2018, 0136 UTC by Pigmeat
What kind of build and output do YOU want to see? Started by moof	3 Replies 3346 Views	November 26, 2018, 1115 UTC by ChrisSmolinski
What to Know About Three-Terminal Voltage Regulators. Radio World rip... Started by ThaDood	1 Replies 1166 Views	December 30, 2023, 0641 UTC by Charlie_Dont_Surf
what would make a box not like certain crystals? Started by moof	4 Replies 4150 Views	May 28, 2016, 0257 UTC by redhat
What's the "best frequency" to broadcast? Started by Charlie Foxtrot Mike	4 Replies 5042 Views	July 02, 2015, 1546 UTC by uhf35
What's the highest frequency people have tested IRF series MOSFETs? Started by Kage	4 Replies 2206 Views	December 14, 2024, 0005 UTC by Charlie_Dont_Surf
Where do you go for schematics? Started by moof	5 Replies 4726 Views	May 04, 2014, 0411 UTC by Fansome
Where to start. Started by IraqVet	4 Replies 3671 Views	May 29, 2014, 1853 UTC by redhat
which type of crystal Started by Antennae « 1 2 »	21 Replies 12212 Views	June 15, 2014, 1323 UTC by OMCS
WTWW FROM THE AIR - Quadcopter Style! New YouTube Video. Started by VK3BVW	0 Replies 2298 Views	January 20, 2015, 2102 UTC by VK3BVW

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