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April 29, 2024, 09:56:40 AM
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Good Single Ended Audio Output Transformer
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Tim WA1HnyLR
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3
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1917
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February 28, 2021, 10:52:50 AM
by W2JBL
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Chasing computer or digital RFI
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N4LTA
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5
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2474
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February 28, 2021, 03:29:11 PM
by WD5JKO
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Questions about Tube Regulation
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NC2W
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14
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4862
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February 28, 2021, 08:46:44 PM
by NC2W
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Help me understand the mechanism causing BC AM to be heard on 6m...
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K8DI
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9
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3113
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March 01, 2021, 04:27:29 PM
by WA2SQQ
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Clegg Zeus - Design changes - Need newer schematic
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wx3k
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14
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5505
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March 01, 2021, 04:33:14 PM
by Pete, WA2CWA
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Anybody know how this modulation transformer scheme works?
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K8DI
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4
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2178
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March 02, 2021, 08:55:41 PM
by w1vtp
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VK1OD calculator, where is it?
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K6JEK
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3
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1925
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March 03, 2021, 02:06:50 PM
by W2PFY
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a few notes on solid stating choke input vacuum tube power supplies
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w4bfs
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7
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6792
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March 05, 2021, 01:36:16 AM
by Opcom
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Old Diode K200 Specs???
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W6TOM
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6
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3534
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March 05, 2021, 08:38:31 AM
by KA3EKH
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What to do with an unused 829B...
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WB3JOK
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13
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4707
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March 06, 2021, 09:19:09 PM
by N3GTE
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75S-1 Motor Boating only at one Frequency - SOLVED
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NY2KW
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5
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2413
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March 09, 2021, 08:12:36 AM
by w4bfs
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AF4K Crystals to re-open
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wd8das
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9
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3880
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March 09, 2021, 07:23:57 PM
by Pete, WA2CWA
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Balanced Antenna Issue.
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Carl WA1KPD
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2
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1703
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March 10, 2021, 12:30:14 PM
by Carl WA1KPD
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Hammarlund HQ-180 Front Panel Question
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WA2SQQ
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0
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1228
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March 10, 2021, 10:59:40 PM
by WA2SQQ
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Beverage Questions
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w9jsw
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8
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3651
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March 11, 2021, 02:55:16 PM
by w9jsw
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Does anyone know this mod on a Halicrafters SX-99? What's missing?
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Scott SWL
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16
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5454
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March 16, 2021, 12:01:49 PM
by Scott SWL
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Horrible SWR with random wire antenna
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KJ6RSG
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11
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4854
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March 16, 2021, 05:45:20 PM
by WU2D
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Interesting Amp/Transmitter Construction Idea
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Steve - K4HX
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6
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3073
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March 18, 2021, 03:22:27 PM
by WBear2GCR
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KiCad and footprints
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N1XBM
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3
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1737
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March 20, 2021, 08:30:41 AM
by w9jsw
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Valiant L12 choke replacement
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K2GTM
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3
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1982
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March 21, 2021, 06:02:36 PM
by K2GTM
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Building power and audio cables for JK500
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n2len
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5
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2524
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March 22, 2021, 11:23:36 PM
by MikeKE0ZUinkcmo
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Radio crystal holders, companies, and history
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wd8das
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1
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1547
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March 24, 2021, 10:42:29 AM
by Opcom
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Any NCX-1000 Owners out there?
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MikeKE0ZUinkcmo
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0
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1335
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March 27, 2021, 11:16:39 PM
by MikeKE0ZUinkcmo
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Interesting filter design video
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WA2SQQ
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3
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2831
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March 28, 2021, 02:02:35 PM
by Tom WA3KLR
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A Quad-1625 Modulator or Speech Amplifier, straight out of the junkbox!
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w8khk
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7
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5166
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March 30, 2021, 02:32:57 PM
by w8khk
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 Topic you have posted in
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AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
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