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| Topics |
Author |
Replies |
Views |
Last post |
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 Obtain a gain of 450 from one vacuum tube
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flyboy71 |
14 |
3807 |
Nov Sun 28, 2021 12:18 pm
ACORNVALVE
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Moved: Grid/Tip connector purpose
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breadbox |
3 |
100 |
Nov Sun 28, 2021 7:15 am
Arran
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Part 15 Rules?
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Rich, W3HWJ |
9 |
214 |
Nov Fri 26, 2021 9:08 pm
Dare4444
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Variation on the 35Z5 ECS oscillator transmitter
[  Go to page: 1, 2, 3, 4, 5 ]
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black85vette |
93 |
18728 |
Nov Fri 26, 2021 8:21 pm
Dare4444
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74HC04 Franklin Osc based AM Transmitter. (Cool circuit!)
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Dare4444 |
10 |
598 |
Nov Fri 26, 2021 6:49 pm
Dare4444
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Medium Wave AM Transmitter Ideas & Circuits. Post Them Here.
[ Go to page: 1, 2 ]
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Dare4444 |
27 |
1414 |
Nov Fri 26, 2021 6:32 pm
Dare4444
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Single transistor AM TX
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Dare4444 |
3 |
275 |
Nov Fri 26, 2021 2:39 pm
Dare4444
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OpAmp AM Transmitter works!!
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Dare4444 |
0 |
82 |
Nov Fri 26, 2021 2:02 pm
Dare4444
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Electrostatic CRT deflection circuit
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Tube Radio |
13 |
358 |
Nov Fri 26, 2021 1:36 am
Tube Radio
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The Big misconception about electricity
[ Go to page: 1, 2 ]
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Dare4444 |
23 |
510 |
Nov Thu 25, 2021 10:52 pm
ACORNVALVE
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AM modulation index question.
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Dare4444 |
7 |
164 |
Nov Wed 24, 2021 12:59 pm
Dare4444
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Possible audio amp build - need transformer help please
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TV MAN |
9 |
274 |
Nov Wed 24, 2021 4:35 am
TV MAN
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Does anyone have the schematic for the Tom Kipgen radio
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mrx |
10 |
598 |
Nov Wed 24, 2021 4:33 am
battradio@
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Electrostatic CRT and more homebrew
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Audioman |
0 |
73 |
Nov Wed 24, 2021 3:09 am
Audioman
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Wiring a kit/homebrew trf
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Govee |
1 |
152 |
Nov Tue 23, 2021 4:45 am
Chas
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Looking for a very tiny AM transmitter
[ Go to page: 1, 2 ]
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Paul Dietenberger |
31 |
1112 |
Nov Thu 18, 2021 7:12 am
Keeta
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Looking for simple CW encoder and decoder projects
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sv3ora |
15 |
1122 |
Nov Thu 18, 2021 4:55 am
BobWeaver
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Circuit question
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SkyKing |
14 |
562 |
Nov Wed 17, 2021 2:36 am
SkyKing
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AM transistor radio from scratch
[ Go to page: 1, 2 ]
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whfh99 |
21 |
1287 |
Nov Sun 14, 2021 10:43 pm
whfh99
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Can someone help me identify this?
[ Go to page: 1, 2 ]
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robroot61 |
31 |
1597 |
Nov Sun 14, 2021 1:20 am
robroot61
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Redesigning/Improving the Talking House Transmitter
[ Go to page: 1, 2, 3 ]
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cc333 |
49 |
1836 |
Nov Sat 13, 2021 7:59 am
cc333
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Wave Trap questions
[ Go to page: 1, 2 ]
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Rich, W3HWJ |
20 |
961 |
Nov Sat 13, 2021 1:29 am
battradio@
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Navy Loose Coupler wire sizes
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mrx |
7 |
403 |
Nov Fri 12, 2021 7:00 pm
mrx
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Help With Radio Power Supply
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Fordman |
10 |
365 |
Nov Thu 11, 2021 3:44 pm
Airway Radio Fan
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RCA RP-190 modification
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Tube Radio |
10 |
465 |
Nov Mon 08, 2021 10:13 pm
ACORNVALVE
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Single Ended Ultra Linear amp builds
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Glowtubes |
13 |
736 |
Nov Thu 04, 2021 10:13 pm
ACORNVALVE
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Design a AM receiver superheterodyne AM front-end
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juanmcifuentes |
2 |
334 |
Nov Thu 04, 2021 6:43 pm
szoftveres
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Actual radiated power of part 15 AM Transmitters?
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Dare4444 |
16 |
923 |
Nov Thu 04, 2021 5:58 pm
Lou deGonzague
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Moved: Small variable capacitor source???
|
ehjohnny |
10 |
649 |
Nov Wed 10, 2021 7:23 am
oldradioparts
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Antenna for QRP pixie kit
[ Go to page: 1, 2 ]
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whfh99 |
23 |
2659 |
Oct Sat 30, 2021 9:21 am
COM-NAV-ECM
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New Use for Chinese "component testers"
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Rich, W3HWJ |
0 |
359 |
Oct Fri 29, 2021 5:14 pm
Rich, W3HWJ
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TRF HOMEBREW RADIO
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ACORNVALVE |
15 |
3473 |
Oct Mon 25, 2021 12:51 am
Macrohenry
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How to alter your air variable capacitor.
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lennyshere |
12 |
4095 |
Oct Sun 24, 2021 2:29 am
OldRelic
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Wooden 5-tube homebrew radio
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radiotvnut |
3 |
574 |
Oct Sun 24, 2021 1:04 am
Tim Tress
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Tube RF Mixer expertise needed- Thank you please close
|
pehamel |
1 |
264 |
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 |
3990 |
Oct Sat 23, 2021 3:38 pm
Macrohenry
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Popular Electronics 1955 "One Tube Wallop"
[ Go to page: 1, 2 ]
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transoceanic 8523 |
27 |
6388 |
Oct Sat 16, 2021 8:28 pm
Max Brandt
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Doerle 3 tube signal gripper question
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ehjohnny |
7 |
553 |
Oct Fri 15, 2021 2:29 pm
Weanedontubes
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PS design for vintage low frequency receiver
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SmoothOscillator |
5 |
421 |
Oct Thu 14, 2021 3:41 am
SmoothOscillator
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Tecsun 2P3 troubleshooting
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ohiotech |
6 |
1796 |
Oct Sat 09, 2021 7:50 pm
Saturn5tony
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2n7000 X 3 , Class E Part15 Transmitter Idea
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Dare4444 |
6 |
434 |
Oct Fri 08, 2021 6:11 am
Dare4444
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Eight Crystal Controlled Frequencies for MW band. No PLL!
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Dare4444 |
2 |
239 |
Oct Thu 07, 2021 2:30 am
Dare4444
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Anyone ever tried base mod. for AM? Circuit..
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Dare4444 |
3 |
373 |
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 |
427 |
Oct Wed 06, 2021 3:33 pm
SkyKing
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VHF low-band TV transmitter circuits
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neazoi |
1 |
282 |
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 |
274 |
Oct Tue 05, 2021 1:31 pm
ACORNVALVE
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"Free" at VOMARC today
|
Rich, W3HWJ |
1 |
283 |
Oct Sat 02, 2021 11:22 pm
mblack
|
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One transistor part 15 AM Transmitter!
|
Dare4444 |
5 |
437 |
Oct Fri 01, 2021 2:26 pm
ACORNVALVE
|
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Another Part 15 AMTX idea. Would step down transformer work?
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Dare4444 |
6 |
367 |
Sep Wed 29, 2021 10:06 pm
ACORNVALVE
|
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300% positive modulation from 4 transistor AMTX
|
Dare4444 |
9 |
504 |
Sep Tue 28, 2021 11:43 pm
Dare4444
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