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2 Members and 32 Guests are viewing this board. |
240V AC utility feed has harmonic distortion, poor power factor?« 12 » | K1JJ | 32 | 669 | Yesterday at 07:55:50 PM by KL7OF |
COMBINING PLATE SUPPLIES FOR INCREASED VOLTAGE | KL7OF | 16 | 796 | Yesterday at 10:39:49 AM by Detroit47 |
Transformerless screen coupling from PP plates? | SA2CLC | 9 | 550 | Yesterday at 01:20:27 AM by Opcom |
BC-611/SCR-536 | WD9M | 0 | 76 | January 19, 2021, 03:46:28 PM by WD9M |
Valiant and other clipper circuits: The magic, the mystery, and the scorn | N1BCG | 8 | 313 | January 18, 2021, 10:53:24 PM by WBear2GCR |
Homebrew a plate choke for 4-1000 GG with warc« 12 » | KL7OF | 48 | 4066 | January 18, 2021, 04:46:38 PM by KD6VXI |
813 amp project« 123 » | n4joy | 52 | 7797 | January 18, 2021, 02:22:03 PM by WQ9E |
Full wave loop question | WA2SQQ | 1 | 129 | January 17, 2021, 04:56:03 PM by W3SLK |
Knight Kit R-100 - R-100A questions | W4RFM | 4 | 264 | January 14, 2021, 01:08:09 PM by W4RFM |
MicroCap circuit with tubes start of a small AM transmitter | Opcom | 5 | 369 | January 14, 2021, 02:18:11 AM by Opcom |
Modulator filaments off on CW mode | n4joy | 2 | 191 | January 13, 2021, 12:13:35 PM by n4joy |
3 phase to single phase larger transmitters« 12 » | KL7OF | 47 | 8335 | January 12, 2021, 09:13:20 PM by KL7OF |
VF Wireman 300 ohm window line | K6JEK | 4 | 266 | January 12, 2021, 12:51:31 PM by WU2D |
Help finding or building a 500w+ transmitter | PatrickSWL | 17 | 871 | January 12, 2021, 07:30:45 AM by w3jn |
DX100B no modulator current draw or audio | kb3ouk | 9 | 404 | January 11, 2021, 08:16:31 PM by w8khk |
Hammarlund BC-779 SP-200 | Scott SWL | 16 | 735 | January 09, 2021, 12:08:12 PM by Scott SWL |
Designing a QRO Series Modulated AM Transmitter | w8khk | 22 | 1064 | January 09, 2021, 09:48:33 AM by w8khk |
Audio Power Output Measurement Feedback | WA2SQQ | 7 | 342 | January 08, 2021, 11:45:08 PM by WBear2GCR |
Good site to calculate resonating caps for fixed chokes | VE7RF | 15 | 1165 | January 08, 2021, 01:35:43 AM by Opcom |
Bias supply current requirements | K8DI | 7 | 495 | January 07, 2021, 04:40:18 PM by KD6VXI |
A NEW KW TUBE Transmitter AM PDM BUILD - the beginning...« 123 » | K1JJ | 61 | 3535 | January 06, 2021, 12:38:37 PM by w8khk |
ISO Pixel RF PRO 1b schematic | WA2SQQ | 16 | 704 | January 04, 2021, 08:32:58 PM by WA2SQQ |
Knight T-60 | W4RFM | 0 | 167 | January 04, 2021, 08:14:47 PM by W4RFM |
Globe Scout 680 | WD4DMZ | 2 | 370 | January 04, 2021, 09:14:56 AM by KC4VWU |
zener diode for bias« 12 » | KL7OF | 27 | 1575 | January 02, 2021, 10:45:20 PM by DMOD |