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| Topics |
Author |
Replies |
Views |
Last post |
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 TRF HOMEBREW RADIO
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ACORNVALVE |
14 |
2775 |
Oct Sun 24, 2021 2:43 pm
ACORNVALVE
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AM transistor radio from scratch
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whfh99 |
15 |
467 |
Oct Sun 24, 2021 11:39 am
aurel
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How to alter your air variable capacitor.
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lennyshere |
12 |
3651 |
Oct Sun 24, 2021 2:29 am
OldRelic
|
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Wave Trap questions
|
Rich, W3HWJ |
3 |
89 |
Oct Sun 24, 2021 1:18 am
John Bartley
|
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Actual radiated power of part 15 AM Transmitters?
|
Dare4444 |
3 |
216 |
Oct Sun 24, 2021 1:14 am
Tim Tress
|
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Wooden 5-tube homebrew radio
|
radiotvnut |
3 |
283 |
Oct Sun 24, 2021 1:04 am
Tim Tress
|
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Tube RF Mixer expertise needed (Help)
|
pehamel |
1 |
55 |
Oct Sat 23, 2021 9:47 pm
Eickerman
|
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Looking for two beta testers for AM Transmitter
[  Go to page: 1, 2, 3, 4, 5 ]
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Macrohenry |
84 |
2942 |
Oct Sat 23, 2021 3:38 pm
Macrohenry
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Redesigning/Improving the Talking House Transmitter
[ Go to page: 1, 2, 3 ]
|
cc333 |
48 |
1107 |
Oct Thu 21, 2021 6:04 pm
Dare4444
|
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Medium Wave AM Transmitter Ideas & Circuits. Post Them Here.
|
Dare4444 |
13 |
647 |
Oct Wed 20, 2021 7:06 am
Dare4444
|
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Does anyone have the schematic for the Tom Kipgen radio
|
mrx |
8 |
359 |
Oct Sun 17, 2021 7:28 pm
battradio@
|
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Can someone help me identify this?
|
robroot61 |
11 |
416 |
Oct Sun 17, 2021 7:15 pm
battradio@
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Popular Electronics 1955 "One Tube Wallop"
[ Go to page: 1, 2 ]
|
transoceanic 8523 |
27 |
5925 |
Oct Sat 16, 2021 8:28 pm
Max Brandt
|
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Antenna for QRP pixie kit
[ Go to page: 1, 2 ]
|
whfh99 |
22 |
2103 |
Oct Sat 16, 2021 5:14 pm
whfh99
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Doerle 3 tube signal gripper question
|
ehjohnny |
7 |
368 |
Oct Fri 15, 2021 2:29 pm
Weanedontubes
|
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PS design for vintage low frequency receiver
|
SmoothOscillator |
5 |
314 |
Oct Thu 14, 2021 3:41 am
SmoothOscillator
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Tecsun 2P3 troubleshooting
|
ohiotech |
6 |
1658 |
Oct Sat 09, 2021 7:50 pm
Saturn5tony
|
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2n7000 X 3 , Class E Part15 Transmitter Idea
|
Dare4444 |
6 |
304 |
Oct Fri 08, 2021 6:11 am
Dare4444
|
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Eight Crystal Controlled Frequencies for MW band. No PLL!
|
Dare4444 |
2 |
161 |
Oct Thu 07, 2021 2:30 am
Dare4444
|
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Anyone ever tried base mod. for AM? Circuit..
|
Dare4444 |
3 |
275 |
Oct Wed 06, 2021 11:31 pm
Dare4444
|
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1.5V AM Transmitter with 100% modulation
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Dare4444 |
3 |
343 |
Oct Wed 06, 2021 3:33 pm
SkyKing
|
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VHF low-band TV transmitter circuits
|
neazoi |
1 |
198 |
Oct Wed 06, 2021 2:44 am
Dare4444
|
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Ideas for a 12 - 13,5 VDC to 12 - 13,5 VAC inverter?
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SIXMILLION DOLLARMAN |
4 |
195 |
Oct Tue 05, 2021 1:31 pm
ACORNVALVE
|
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"Free" at VOMARC today
|
Rich, W3HWJ |
1 |
212 |
Oct Sat 02, 2021 11:22 pm
mblack
|
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74HC04 Franklin Osc based AM Transmitter. (Cool circuit!)
|
Dare4444 |
9 |
425 |
Oct Sat 02, 2021 4:59 am
Dare4444
|
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One transistor part 15 AM Transmitter!
|
Dare4444 |
5 |
353 |
Oct Fri 01, 2021 2:26 pm
ACORNVALVE
|
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Another Part 15 AMTX idea. Would step down transformer work?
|
Dare4444 |
6 |
292 |
Sep Wed 29, 2021 10:06 pm
ACORNVALVE
|
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300% positive modulation from 4 transistor AMTX
|
Dare4444 |
9 |
431 |
Sep Tue 28, 2021 11:43 pm
Dare4444
|
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Question: headphones and protecting the OPT transformer
|
allthumbs |
13 |
385 |
Sep Sun 26, 2021 4:53 pm
BikenSwim
|
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2n2219A based 2m ham band amplifier
|
Dare4444 |
4 |
283 |
Sep Fri 24, 2021 11:34 am
vu2nan
|
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anyone have any info on the Gibbons radio circuit?
|
mrx |
0 |
172 |
Sep Thu 23, 2021 6:00 am
mrx
|
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New AM Transmitter Circuit Idea (Schematics).
|
Dare4444 |
8 |
326 |
Sep Wed 22, 2021 11:30 pm
Dare4444
|
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8 channel crystal controlled AM broadcast transmittet
|
Dare4444 |
0 |
156 |
Sep Wed 22, 2021 5:26 pm
Dare4444
|
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Vectronics 1290K Revisited with pushpull 2n7000
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Dare4444 |
4 |
245 |
Sep Wed 22, 2021 5:13 pm
Dare4444
|
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screen bias for the control grid of a 12sk7 tube?
|
currentresident75 |
3 |
216 |
Sep Tue 21, 2021 5:29 pm
currentresident75
|
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BUILD AN AM TRANSMITTER FOR USE WITH ANTIQUE RADIOS
[ Go to page: 1, 2 ]
|
Dare4444 |
20 |
694 |
Sep Tue 21, 2021 1:40 am
Dare4444
|
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Speaker level converter
|
Tube Radio |
0 |
158 |
Sep Mon 20, 2021 1:32 pm
Tube Radio
|
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Spider coil forms
|
jimbob |
12 |
768 |
Sep Sun 19, 2021 10:48 am
COM-NAV-ECM
|
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Speaker Box Project
|
ZenithRadios |
7 |
373 |
Sep Sat 18, 2021 7:08 pm
Tube Radio
|
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How to build an AM antenna optimized for a single frequency?
[ Go to page: 1, 2, 3 ]
|
soloapollo |
49 |
1170 |
Sep Fri 17, 2021 8:11 am
Dare4444
|
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Frequency counter
|
jimbob |
7 |
388 |
Sep Thu 16, 2021 10:21 pm
BobWeaver
|
 |
Does Anyone Know What Has Happened To theradioboard.com?
|
LM386 |
2 |
313 |
Sep Wed 15, 2021 2:19 am
LM386
|
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VFO Isolation Buffer Simulation
|
Dare4444 |
13 |
550 |
Sep Tue 14, 2021 6:44 pm
Dare4444
|
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Capacitor mounting brackets
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jimbob |
2 |
161 |
Sep Tue 14, 2021 4:26 pm
Chas
|
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Cascoded J310 MW band active antenna
|
Dare4444 |
2 |
184 |
Sep Tue 14, 2021 1:46 pm
Dare4444
|
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Solid State Transformer Substitute: Update
[ Go to page: 1, 2 ]
|
JnTX |
28 |
7155 |
Sep Mon 13, 2021 11:18 am
ACORNVALVE
|
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Outputs treatment with a CD4060
|
Macrohenry |
19 |
629 |
Sep Sun 12, 2021 4:48 pm
Macrohenry
|
|
Homebuild Reinartz tuner amp.
[ Go to page: 1, 2 ]
|
beast775 |
35 |
2883 |
Sep Sun 12, 2021 7:29 am
beast775
|
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Reason for removal of my 0.5mW FM TX?
|
Dare4444 |
3 |
318 |
Sep Sat 11, 2021 5:59 pm
Dare4444
|
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Help rebiasing my bagpipes to Si!
[ Go to page: 1, 2 ]
|
Timmy73 |
23 |
1358 |
Sep Wed 01, 2021 7:59 am
ACORNVALVE
|
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