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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 |
2663 |
Aug Mon 31, 2020 7:16 am
Alan Voorhees
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| Topics |
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Voltage regulator design
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Tube Radio |
2 |
55 |
Oct Wed 28, 2020 10:20 pm
Tube Radio
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 Future Kit 35 watt mono amp kit
[  Go to page: 1, 2 ]
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Tube Radio |
36 |
509 |
Oct Wed 28, 2020 7:25 pm
Tube Radio
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Question about DIY vintage radio
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akalsteni68 |
3 |
296 |
Oct Wed 28, 2020 3:17 pm
Tube Radio
|
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LM386N MK-XI BCB Transmitter
[ Go to page: 1 ... 48, 49, 50 ]
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35Z5 |
995 |
242165 |
Oct Wed 28, 2020 3:16 pm
infzqi
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sizing filter capacitors
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N0BST |
5 |
309 |
Oct Mon 26, 2020 5:49 pm
infzqi
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High Voltage Source
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Loose_coupler |
19 |
538 |
Oct Sun 25, 2020 10:18 pm
N0BST
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Regulated high voltage power supply circuit
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AE2EA |
7 |
346 |
Oct Sun 25, 2020 12:56 am
NW2K
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Farm Radio Power Supply - Parts List UPDATED
|
Dennis Wess |
1 |
284 |
Oct Thu 22, 2020 12:47 am
Dennis Wess
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Oscilloscope clock
|
Tube Radio |
0 |
120 |
Oct Wed 21, 2020 1:38 am
Tube Radio
|
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Battery Charger Circuit questions - help
[ Go to page: 1, 2 ]
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Pbpix |
22 |
5675 |
Oct Mon 19, 2020 3:31 am
Usually Lurking
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Ideal envelope shape for soft mute
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Macrohenry |
14 |
407 |
Oct Fri 16, 2020 11:25 pm
Macrohenry
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Simpler UPS for intermittent power.
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poulsbobill |
8 |
384 |
Oct Thu 15, 2020 1:32 am
VEK
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How would you design it?
[ Go to page: 1, 2 ]
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Tony Wells |
23 |
822 |
Oct Wed 14, 2020 12:29 am
Tony Wells
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Am Loop antennas
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Rgvbobcat |
8 |
770 |
Oct Mon 12, 2020 7:43 pm
Mike Toon
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Making repro wet can electros
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irob2345 |
1 |
308 |
Oct Sun 11, 2020 9:25 am
Mike uk
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Amplifier circuit.
|
Tube Radio |
15 |
1392 |
Oct Sat 10, 2020 7:51 pm
OldWireBender
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Help With Homebrew Transmitter
[ Go to page: 1, 2 ]
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Fordman |
21 |
1959 |
Oct Fri 09, 2020 5:40 pm
EnglishBob
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110v to 3v conversion
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eizner23 |
17 |
576 |
Oct Fri 09, 2020 4:01 pm
eizner23
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Peculiar regenerative receiver oscillation.
|
928GTS |
2 |
167 |
Oct Thu 08, 2020 2:58 am
shinkuukan
|
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Battery eliminator jack
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Tiptop |
6 |
289 |
Oct Thu 08, 2020 12:30 am
Tiptop
|
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Power switching question
|
Tube Radio |
16 |
428 |
Oct Mon 05, 2020 9:59 pm
Tube Radio
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transformer winding equipment
|
eddie clark |
10 |
617 |
Oct Mon 05, 2020 12:02 am
eddie clark
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Multi DDS Project for the shack.
|
Mikeinkcmo |
17 |
1461 |
Oct Sun 04, 2020 9:07 pm
Mikeinkcmo
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Can I build a vhf transmitter for my home, using vacuum tube
|
EnglishBob |
15 |
517 |
Oct Sun 04, 2020 1:59 am
Tim Tress
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Franklin FM TX built entirely in LtSpice
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Dare4444 |
1 |
174 |
Oct Sat 03, 2020 3:23 pm
Dare4444
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Pi-L network help
[ Go to page: 1, 2 ]
|
dimis |
23 |
542 |
Oct Sat 03, 2020 12:42 am
Jim Mueller
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Crystal Osc. For AM Broadcaster
|
Harold Wright |
19 |
1318 |
Oct Fri 02, 2020 1:43 pm
Dennis Banker
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One FET Regen
|
J310 |
19 |
9599 |
Oct Thu 01, 2020 3:13 am
Chas
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Low end roll off performance on amplifier?
|
928GTS |
12 |
800 |
Sep Wed 30, 2020 2:13 pm
Dare4444
|
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help converting my antique radio from a tube in bluetooth
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lukahils2 |
4 |
305 |
Sep Wed 30, 2020 1:42 pm
wazz
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Converting an old transistor radio to a wireless speaker.
|
qilpesen9 |
2 |
241 |
Sep Wed 30, 2020 4:54 am
mblack
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Long wire ( random wire) and ground proximity
[ Go to page: 1, 2, 3, 4 ]
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poulsbobill |
75 |
9017 |
Sep Tue 29, 2020 4:39 pm
poulsbobill
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RF power calculation?
|
Dare4444 |
12 |
545 |
Sep Tue 29, 2020 9:28 am
Dare4444
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Converting Normal headphones for my S-38 Hallicrafters?
|
Keeta |
10 |
541 |
Sep Sun 27, 2020 2:47 am
John Bartley
|
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Guidance on building transmitter for a vintage game from 70s
[ Go to page: 1, 2 ]
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lupin3rd |
23 |
2115 |
Sep Thu 24, 2020 7:01 pm
lupin3rd
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Preamp
|
Tube Radio |
7 |
440 |
Sep Mon 21, 2020 8:22 pm
Tube Radio
|
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How many turns are needed for an antenna coupling coil?
[ Go to page: 1, 2 ]
|
khill |
22 |
1408 |
Sep Thu 17, 2020 7:53 pm
OldWireBender
|
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RCA 245 Build Help
|
RolandVV-360 |
0 |
225 |
Sep Mon 07, 2020 2:14 pm
RolandVV-360
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Even Simpler Barebone AM TX
|
Dare4444 |
7 |
605 |
Sep Thu 03, 2020 4:11 pm
tym
|
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setting up a 100' antenna
|
37oldsguy |
13 |
1107 |
Sep Tue 01, 2020 2:16 am
homebrew
|
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Barebone 74HC4053 AMTX
[ Go to page: 1, 2 ]
|
Dare4444 |
21 |
1156 |
Aug Mon 31, 2020 8:19 pm
Dare4444
|
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Homebrew transistor pocket radio
|
szoftveres |
3 |
414 |
Aug Mon 31, 2020 7:25 pm
szoftveres
|
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Please explain how this works
|
Macrohenry |
2 |
502 |
Aug Sat 29, 2020 6:00 pm
Macrohenry
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Ferrite Sleeve Loop antennas: Are they for real?
[ Go to page: 1, 2, 3 ]
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pentagrid |
58 |
23632 |
Aug Sat 29, 2020 5:20 pm
A A Kent
|
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Build me a Radio
[ Go to page: 1, 2 ]
|
eddie clark |
25 |
1139 |
Aug Fri 21, 2020 4:57 am
radiorich
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Manhattan construction
|
jimbob |
14 |
1787 |
Aug Thu 20, 2020 8:54 pm
Rich, W3HWJ
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[Solved] Help needed with IF stage oscillation/motorboatin
[ Go to page: 1, 2 ]
|
szoftveres |
23 |
1165 |
Aug Thu 20, 2020 7:15 am
szoftveres
|
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1917 Regenerative Receiver - Build Project
[ Go to page: 1, 2 ]
|
bheggeseth |
33 |
2476 |
Aug Sun 16, 2020 10:35 pm
infzqi
|
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Part 15 AM transmitter
[ Go to page: 1, 2 ]
|
Tube Radio |
23 |
1087 |
Aug Fri 14, 2020 9:43 am
Tube Radio
|
|
Assistance requested with a superhet build.
|
928GTS |
6 |
725 |
Aug Thu 13, 2020 6:13 am
Mr. Highlander
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