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Common Gate Jfet Amp KI4YAN 15 1980 Last post July 05, 2020, 09:20:43 PM
by W4AMV
ISO: MRF240A WA2SQQ 18 1979 Last post July 06, 2020, 11:44:33 PM
by Pete, WA2CWA
Modulation transformer with odd winding configuration KI4YAN 9 1242 Last post July 07, 2020, 03:17:17 PM
by KI4YAN
BIG vacuum tube k7mdo 9 1380 Last post July 08, 2020, 08:34:20 AM
by Tom WA3KLR
FLEX SDR 1000 PARALLEL PORT TO USB CABLE RESULTS KD0HUX 3 785 Last post July 09, 2020, 04:41:25 AM
by KG6PQQ
MOD RESTING CURRENT ON K1JJ 813 X 813 RIG W2PFY 4 859 Last post July 09, 2020, 12:01:37 PM
by W2PFY
Multicoupler project, progress... « 1 2 » WBear2GCR 27 3683 Last post July 10, 2020, 05:43:15 PM
by WBear2GCR
4-400 GG schematic? k7mdo 11 1803 Last post July 10, 2020, 09:20:08 PM
by Opcom
Use of Diode Mixers & frequency-hopping 1926! Tom WA3KLR 3 866 Last post July 10, 2020, 09:42:58 PM
by Opcom
3D Printed Final Tank Coil Spacers for Johnson Ranger W1TTL 5 1074 Last post July 13, 2020, 09:11:38 AM
by W1TTL
Automatic Gain Control Schemes KI4YAN 8 1613 Last post July 13, 2020, 05:35:09 PM
by KI4YAN
Broadcast Audio from your DX-60 « 1 2 3 4 » steve_qix 94 60488 Last post July 15, 2020, 06:24:21 AM
by steve_qix
Tiny mod transformer, suitable for arc-5 SA2CLC 4 984 Last post July 16, 2020, 01:14:41 AM
by SA2CLC
Suppressor Grid Mod GU81M Tx GW0FZY 7 1090 Last post July 16, 2020, 02:49:29 AM
by GW0FZY
Screen modulation winding-bump up with a transformer or clamp tube? KI4YAN 11 1346 Last post July 16, 2020, 02:05:41 PM
by KI4YAN
Modulator audio schematic N4LTA 16 2020 Last post July 17, 2020, 02:37:38 PM
by KI4YAN
Curious whether there's a way to measure impedance of tube final... K8DI 2 693 Last post July 17, 2020, 08:51:42 PM
by W4AMV
Another 807 Modulator KI4YAN 6 1149 Last post July 18, 2020, 11:45:57 PM
by DMOD
Modulator power supply schematic « 1 2 » N4LTA 27 2990 Last post July 19, 2020, 09:02:05 PM
by WD5JKO
Safe Metering of Transmitter currents/voltages-can't find old article? KI4YAN 2 681 Last post July 20, 2020, 05:59:21 PM
by KI4YAN
RME-69 volume control N9AXl 2 730 Last post July 21, 2020, 08:37:20 PM
by W2JBL
“Computer Grade” Filter Caps WA2SQQ 5 1216 Last post July 22, 2020, 10:46:14 AM
by WA2SQQ
Questionable Capacitor-How to Identify this one? KI4YAN 4 1065 Last post July 24, 2020, 01:16:12 PM
by KA0HCP
Modulator low level output N4LTA 16 1973 Last post July 28, 2020, 10:05:11 PM
by MikeKE0ZUinkcmo
SB-220 amp 120 volt vs. 240 use « 1 2 » KK4RF 42 23910 Last post July 30, 2020, 03:01:49 PM
by w4bfs
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