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| Topics |
Author |
Replies |
Views |
Last post |
| Announcements |
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Addition to Forum Rules
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Alan Voorhees |
0 |
10838 |
Jul Fri 30, 2021 3:38 am
Alan Voorhees
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| Topics |
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 74HC04 Franklin Osc based AM Transmitter. (Cool circuit!)
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Dare4444 |
1 |
32 |
Sep Sun 26, 2021 8:45 pm
Dare4444
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Question: headphones and protecting the OPT transformer
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allthumbs |
13 |
191 |
Sep Sun 26, 2021 4:53 pm
BikenSwim
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300% positive modulation from 4 transistor AMTX
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Dare4444 |
6 |
162 |
Sep Sun 26, 2021 1:24 pm
Dave Doughty
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One transistor part 15 AM Transmitter!
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Dare4444 |
4 |
117 |
Sep Sat 25, 2021 4:45 am
Dare4444
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2n2219A based 2m ham band amplifier
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Dare4444 |
4 |
171 |
Sep Fri 24, 2021 11:34 am
vu2nan
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Anyone ever tried base mod. for AM? Circuit..
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Dare4444 |
0 |
64 |
Sep Fri 24, 2021 10:00 am
Dare4444
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Looking for two beta testers for AM Transmitter
[  Go to page: 1, 2 ]
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Macrohenry |
28 |
873 |
Sep Thu 23, 2021 4:18 pm
Macrohenry
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anyone have any info on the Gibbons radio circuit?
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mrx |
0 |
75 |
Sep Thu 23, 2021 6:00 am
mrx
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New AM Transmitter Circuit Idea (Schematics).
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Dare4444 |
8 |
186 |
Sep Wed 22, 2021 11:30 pm
Dare4444
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8 channel crystal controlled AM broadcast transmittet
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Dare4444 |
0 |
73 |
Sep Wed 22, 2021 5:26 pm
Dare4444
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Vectronics 1290K Revisited with pushpull 2n7000
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Dare4444 |
4 |
164 |
Sep Wed 22, 2021 5:13 pm
Dare4444
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1.5V AM Transmitter with 100% modulation
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Dare4444 |
2 |
144 |
Sep Tue 21, 2021 8:35 pm
Dare4444
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screen bias for the control grid of a 12sk7 tube?
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currentresident75 |
3 |
130 |
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 ]
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Dare4444 |
20 |
452 |
Sep Tue 21, 2021 1:40 am
Dare4444
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Speaker level converter
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Tube Radio |
0 |
92 |
Sep Mon 20, 2021 1:32 pm
Tube Radio
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Spider coil forms
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jimbob |
12 |
596 |
Sep Sun 19, 2021 10:48 am
COM-NAV-ECM
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Speaker Box Project
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ZenithRadios |
7 |
276 |
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 ]
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soloapollo |
49 |
873 |
Sep Fri 17, 2021 8:11 am
Dare4444
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Frequency counter
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jimbob |
7 |
280 |
Sep Thu 16, 2021 10:21 pm
BobWeaver
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Does Anyone Know What Has Happened To theradioboard.com?
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LM386 |
2 |
237 |
Sep Wed 15, 2021 2:19 am
LM386
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VFO Isolation Buffer Simulation
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Dare4444 |
13 |
423 |
Sep Tue 14, 2021 6:44 pm
Dare4444
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Capacitor mounting brackets
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jimbob |
2 |
121 |
Sep Tue 14, 2021 4:26 pm
Chas
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Cascoded J310 MW band active antenna
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Dare4444 |
2 |
123 |
Sep Tue 14, 2021 1:46 pm
Dare4444
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Tecsun 2P3 troubleshooting
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ohiotech |
5 |
1433 |
Sep Mon 13, 2021 6:21 pm
gearhead222
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Solid State Transformer Substitute: Update
[ Go to page: 1, 2 ]
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JnTX |
28 |
6841 |
Sep Mon 13, 2021 11:18 am
ACORNVALVE
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Outputs treatment with a CD4060
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Macrohenry |
19 |
507 |
Sep Sun 12, 2021 4:48 pm
Macrohenry
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Homebuild Reinartz tuner amp.
[ Go to page: 1, 2 ]
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beast775 |
35 |
2611 |
Sep Sun 12, 2021 7:29 am
beast775
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Reason for removal of my 0.5mW FM TX?
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Dare4444 |
3 |
241 |
Sep Sat 11, 2021 5:59 pm
Dare4444
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Help rebiasing my bagpipes to Si!
[ Go to page: 1, 2 ]
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Timmy73 |
23 |
1095 |
Sep Wed 01, 2021 7:59 am
ACORNVALVE
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AC Hum Modulation Buster Questions
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Macrohenry |
2 |
442 |
Aug Tue 31, 2021 5:13 am
Audioman
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AM LOOP Antenna
[ Go to page: 1, 2 ]
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fifties |
34 |
17540 |
Aug Mon 30, 2021 12:28 pm
Dalton
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Heathkit WA-P2 power supply build questions
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Govee |
14 |
1209 |
Aug Sat 28, 2021 12:15 pm
COM-NAV-ECM
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Assistance requested with a superhet build.
[ Go to page: 1, 2 ]
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928GTS |
21 |
3704 |
Aug Thu 26, 2021 9:40 pm
928GTS
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Choke hum on LM386 Transmitter
[ Go to page: 1, 2 ]
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Macrohenry |
23 |
1124 |
Aug Tue 24, 2021 3:21 am
Macrohenry
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Two more instruments for Brian Wilson
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Macrohenry |
5 |
610 |
Aug Sat 21, 2021 9:41 pm
Colin Ames
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New Project: Audio/Visual Part 15 Antenna Tuning Indicator
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Macrohenry |
3 |
339 |
Aug Sat 21, 2021 9:14 pm
Macrohenry
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Short antenna capacitance
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Macrohenry |
3 |
2780 |
Aug Tue 17, 2021 6:59 pm
Macrohenry
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Stereo to monophonic conversion circuit to build?
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soloapollo |
18 |
914 |
Aug Tue 17, 2021 12:43 pm
ACORNVALVE
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Slope detection of broadcast FM?
[ Go to page: 1, 2 ]
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928GTS |
21 |
2376 |
Aug Fri 13, 2021 11:47 pm
ACORNVALVE
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12au7 sw regen.
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jimbob |
11 |
1669 |
Aug Tue 10, 2021 2:28 pm
jimbob
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First time crystal radio build
[ Go to page: 1 ... 4, 5, 6 ]
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whfh99 |
117 |
8128 |
Aug Tue 10, 2021 7:05 am
vu2nan
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Signal tracer build
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whfh99 |
11 |
784 |
Aug Sun 08, 2021 4:42 pm
whfh99
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High Voltage Regulator Design Issue
[ Go to page: 1, 2, 3, 4, 5 ]
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Jthorusen |
82 |
3613 |
Aug Sat 07, 2021 11:36 pm
Jthorusen
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3mW FM Transmitter based on Franklin Oscillator
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Dare4444 |
0 |
389 |
Aug Sat 07, 2021 5:53 pm
Dare4444
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Talking House 5.0 audio overload and hum/buzz
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Kramden66 |
8 |
947 |
Aug Sat 07, 2021 5:14 pm
Tube Radio
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Solid state 1920's speaker amplifier revisited
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Tube Radio |
17 |
3068 |
Aug Sat 07, 2021 4:56 pm
Tube Radio
|
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Bluetooth, AM Transmitter
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criageek |
7 |
979 |
Aug Sat 07, 2021 2:10 am
criageek
|
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simple formulas for calculating tank circuit values?????????
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shockedagain75 |
14 |
1404 |
Aug Fri 06, 2021 3:51 pm
KK6GM
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Antennae question
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keith1898 |
15 |
846 |
Aug Tue 03, 2021 4:36 pm
poulsbobill
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Low Noise DC receiver idea
|
Dare4444 |
0 |
374 |
Aug Sun 01, 2021 10:27 pm
Dare4444
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