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| Topics |
Author |
Replies |
Views |
Last post |
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 PWM AM exciter. Should work!!
[  Go to page: 1, 2 ]
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Dare4444 |
29 |
560 |
Dec Wed 08, 2021 8:38 pm
Dare4444
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Crystal radio
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Chriscrosley1 |
9 |
181 |
Dec Wed 08, 2021 4:56 pm
Macrohenry
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Part 15 frustration possible solution?
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Macrohenry |
10 |
358 |
Dec Wed 08, 2021 3:15 pm
mblack
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"Hum" noise in transmitter When listening to it on AM radio
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sv3ora |
13 |
1140 |
Dec Wed 08, 2021 12:56 pm
ACORNVALVE
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RF switchmode amplifiers PDF
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Dare4444 |
1 |
60 |
Dec Wed 08, 2021 3:19 am
Rich, W3HWJ
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Possible audio amp build - need transformer help please
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TV MAN |
11 |
373 |
Dec Wed 08, 2021 2:23 am
Tom Bavis
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Home made ultradyne
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AlekZ |
2 |
85 |
Dec Tue 07, 2021 10:34 pm
AlekZ
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One Transistor Superhet
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transistor495 |
3 |
237 |
Dec Tue 07, 2021 6:20 pm
KB4QAA
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Wiring a kit/homebrew?
[ Go to page: 1, 2 ]
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Govee |
30 |
760 |
Dec Tue 07, 2021 1:47 pm
Govee
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Legally exceeding the 100mW limit, is this a loop hole?
[ Go to page: 1, 2, 3 ]
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Dare4444 |
47 |
1087 |
Dec Mon 06, 2021 10:47 am
ACORNVALVE
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Redesigning/Improving the Talking House Transmitter
[ Go to page: 1, 2, 3 ]
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cc333 |
51 |
2017 |
Dec Sat 04, 2021 1:39 pm
mblack
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Electrostatic CRT deflection circuit
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Tube Radio |
14 |
502 |
Dec Thu 02, 2021 2:11 pm
Tube Radio
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Can someone help me identify this?
[ Go to page: 1, 2 ]
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robroot61 |
35 |
1854 |
Dec Thu 02, 2021 12:33 pm
robroot61
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Chassis punches
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jimbob |
6 |
397 |
Dec Wed 01, 2021 5:28 am
Mikeinkcmo
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Does anyone have the schematic for the Tom Kipgen radio
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mrx |
11 |
743 |
Nov Mon 29, 2021 9:08 pm
Dave Schmarder
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Single transistor AM TX
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Dare4444 |
7 |
485 |
Nov Mon 29, 2021 4:00 pm
Dare4444
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Obtain a gain of 450 from one vacuum tube
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flyboy71 |
16 |
4105 |
Nov Sun 28, 2021 8:55 pm
ACORNVALVE
|
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Moved: Grid/Tip connector purpose
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breadbox |
5 |
386 |
Dec Wed 01, 2021 2:30 am
azenithnut
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Part 15 Rules?
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Rich, W3HWJ |
9 |
447 |
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 |
19235 |
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 |
677 |
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 |
1629 |
Nov Fri 26, 2021 6:32 pm
Dare4444
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OpAmp AM Transmitter works!!
|
Dare4444 |
0 |
144 |
Nov Fri 26, 2021 2:02 pm
Dare4444
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The Big misconception about electricity
[ Go to page: 1, 2 ]
|
Dare4444 |
23 |
676 |
Nov Thu 25, 2021 10:52 pm
ACORNVALVE
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AM modulation index question.
|
Dare4444 |
7 |
247 |
Nov Wed 24, 2021 12:59 pm
Dare4444
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Electrostatic CRT and more homebrew
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Audioman |
0 |
115 |
Nov Wed 24, 2021 3:09 am
Audioman
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Looking for a very tiny AM transmitter
[ Go to page: 1, 2 ]
|
Paul Dietenberger |
31 |
1322 |
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 |
1190 |
Nov Thu 18, 2021 4:55 am
BobWeaver
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Circuit question
|
SkyKing |
14 |
654 |
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 |
1441 |
Nov Sun 14, 2021 10:43 pm
whfh99
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Wave Trap questions
[ Go to page: 1, 2 ]
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Rich, W3HWJ |
20 |
1086 |
Nov Sat 13, 2021 1:29 am
battradio@
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Navy Loose Coupler wire sizes
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mrx |
7 |
439 |
Nov Fri 12, 2021 7:00 pm
mrx
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Help With Radio Power Supply
|
Fordman |
10 |
449 |
Nov Thu 11, 2021 3:44 pm
Airway Radio Fan
|
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RCA RP-190 modification
|
Tube Radio |
10 |
512 |
Nov Mon 08, 2021 10:13 pm
ACORNVALVE
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Single Ended Ultra Linear amp builds
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Glowtubes |
13 |
830 |
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 |
373 |
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 |
1012 |
Nov Thu 04, 2021 5:58 pm
Lou deGonzague
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Moved: Small variable capacitor source???
|
ehjohnny |
10 |
701 |
Nov Wed 10, 2021 7:23 am
oldradioparts
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Antenna for QRP pixie kit
[ Go to page: 1, 2 ]
|
whfh99 |
23 |
2701 |
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 |
380 |
Oct Fri 29, 2021 5:14 pm
Rich, W3HWJ
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TRF HOMEBREW RADIO
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ACORNVALVE |
15 |
3516 |
Oct Mon 25, 2021 12:51 am
Macrohenry
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How to alter your air variable capacitor.
|
lennyshere |
12 |
4166 |
Oct Sun 24, 2021 2:29 am
OldRelic
|
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Wooden 5-tube homebrew radio
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radiotvnut |
3 |
606 |
Oct Sun 24, 2021 1:04 am
Tim Tress
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Tube RF Mixer expertise needed- Thank you please close
|
pehamel |
1 |
283 |
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 |
4301 |
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 |
6497 |
Oct Sat 16, 2021 8:28 pm
Max Brandt
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Doerle 3 tube signal gripper question
|
ehjohnny |
7 |
570 |
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 |
443 |
Oct Thu 14, 2021 3:41 am
SmoothOscillator
|
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Tecsun 2P3 troubleshooting
|
ohiotech |
6 |
1835 |
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 |
453 |
Oct Fri 08, 2021 6:11 am
Dare4444
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