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| Topics |
Author |
Replies |
Views |
Last post |
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 Another Tuned Loop Antenna
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moallen |
17 |
230 |
Dec Sat 14, 2019 3:52 pm
moallen
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Attempting to build a low voltage tube amplifier
[  Go to page: 1, 2 ]
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928GTS |
34 |
1229 |
Dec Sat 14, 2019 4:00 am
shinkuukan
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Homebrew 4-H radio
|
vandallen |
4 |
239 |
Dec Fri 13, 2019 9:40 pm
Macrohenry
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A Deluxe Receiver for the DX Operator
[ Go to page: 1 ... 4, 5, 6 ]
|
Norm Johnson |
106 |
15701 |
Dec Fri 13, 2019 3:10 am
infomet
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Part 15 Transmitter using VCA?
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Macrohenry |
3 |
686 |
Dec Wed 11, 2019 2:28 pm
Tube Radio
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High Voltage Switch Mode Power Supply
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transoceanic 8523 |
4 |
121 |
Dec Wed 11, 2019 11:12 am
fifties
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3 tube superhet
[ Go to page: 1, 2 ]
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azenithnut |
27 |
4237 |
Dec Wed 11, 2019 11:02 am
fifties
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Power supply switching with OA2
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Norm Johnson |
3 |
233 |
Dec Tue 10, 2019 7:56 pm
Peter Bertini
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Need Plans For A Radio Chassis Cradle/Jig
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transoceanic 8523 |
2 |
138 |
Dec Mon 09, 2019 2:26 pm
Scott
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Talking House AM Transmitter MODIFICATION IDEAS HELP?
[ Go to page: 1 ... 4, 5, 6 ]
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gmcjetpilot |
105 |
54413 |
Dec Mon 09, 2019 12:49 pm
moallen
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relay contact snubber
|
forumuser |
15 |
531 |
Dec Sun 08, 2019 4:05 am
forumuser
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Another Mystery Mini Audio Amp, I Think?
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jandajr |
1 |
206 |
Dec Sat 07, 2019 7:06 pm
forumuser
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Are new potentiometers not very well made?
|
htolino |
9 |
631 |
Dec Sat 07, 2019 12:43 am
forumuser
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Two SPST push buttons to knob SPDT control?
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ThomasMBS |
5 |
224 |
Dec Fri 06, 2019 6:08 pm
Macrohenry
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Dekatron spinner circuit and other neon circuits
|
Tube Radio |
3 |
434 |
Dec Thu 05, 2019 6:32 pm
Tube Radio
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SEIBT 31
|
markolord95 |
1 |
309 |
Dec Wed 04, 2019 1:19 pm
Johnnysan
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Old radio
|
radiorich123 |
2 |
275 |
Dec Tue 03, 2019 9:56 pm
Pbpix
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Mystery audio amp?
[ Go to page: 1, 2 ]
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Sick Dog |
20 |
765 |
Dec Tue 03, 2019 6:41 pm
Sick Dog
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2mW Frequency stable FM Transmitter Circuit
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Dare4444 |
19 |
547 |
Dec Mon 02, 2019 9:00 pm
forumuser
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Superregen Shortwave Receiver With Improved Selectivity
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LM386 |
4 |
412 |
Dec Mon 02, 2019 6:33 am
LM386
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Need Help "Super-Regenerative FM Receiver
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transoceanic 8523 |
12 |
414 |
Nov Thu 28, 2019 5:06 am
BobWeaver
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BC-455A power supply/amplifier question
|
Tube Radio |
7 |
267 |
Nov Thu 28, 2019 1:53 am
Tube Radio
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Help troubleshooting regenerative receiver
|
KC2SIZ |
4 |
300 |
Nov Wed 27, 2019 11:04 pm
infzqi
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Simple High Performance Shortwave Regenerative Receiver
[ Go to page: 1, 2 ]
|
LM386 |
30 |
2189 |
Nov Fri 22, 2019 10:16 pm
infzqi
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Learning while building and exploring 1920s radio technology
|
NW2K |
1 |
389 |
Nov Fri 22, 2019 1:47 pm
KA8GEF
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Telequipment D-54 lamp mod
|
Tube Radio |
19 |
975 |
Nov Tue 19, 2019 3:16 pm
Tube Radio
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BC-455A BFO
|
Tube Radio |
9 |
1003 |
Nov Mon 18, 2019 5:14 am
Tube Radio
|
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Solid state 1920's speaker amplifier revisited
|
Tube Radio |
4 |
926 |
Nov Mon 18, 2019 4:44 am
Tube Radio
|
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Sources for Microwave oven transformer
|
Tube Radio |
11 |
433 |
Nov Sun 17, 2019 8:21 pm
Tube Radio
|
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AM Detector Using A Zero Bias Schottky Diode
|
Frank512 |
18 |
778 |
Nov Fri 15, 2019 8:46 am
BobWeaver
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Anyone have Tom Guests vibrator schematic from long ago?
[ Go to page: 1, 2, 3, 4 ]
|
tbone8 |
66 |
4748 |
Nov Thu 14, 2019 4:26 pm
Usually Lurking
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Variable frequency sawtooth generator
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Tube Radio |
17 |
1156 |
Nov Thu 14, 2019 1:57 am
Tube Radio
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Heathkit HP-23 power supply mod
|
forumuser |
5 |
580 |
Nov Thu 07, 2019 1:52 pm
forumuser
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Another Loop Antenna Crystal Radio
|
vu2nan |
16 |
828 |
Nov Mon 04, 2019 6:27 am
vu2nan
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First tube radio [WIP]
|
Chryseus |
8 |
1600 |
Nov Sun 03, 2019 9:44 pm
Scot Armstrong
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Sylvania RM-300X external audio input mod
|
Tube Radio |
0 |
377 |
Nov Sat 02, 2019 10:55 pm
Tube Radio
|
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Working on a AM transmitter prototype
[ Go to page: 1, 2 ]
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MonkeyPaws |
28 |
1853 |
Oct Thu 31, 2019 10:28 am
MonkeyPaws
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Turning a novelty AM radio as a speakerphone/media player
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retro-pc_user |
1 |
494 |
Oct Tue 29, 2019 1:32 pm
retro-pc_user
|
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Someone's older home brew. Published recipe?
|
uncle_Bob |
1 |
660 |
Oct Tue 29, 2019 1:17 am
Leno Pederson
|
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Modulation: Need informations about double control pentodes
|
Edi |
1 |
419 |
Oct Mon 28, 2019 10:09 pm
35Z5
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12 Volt EF97 shortwacve superhet
|
nico |
4 |
1940 |
Oct Mon 28, 2019 7:29 pm
akrohn
|
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hookup wire stock for homebrew equipment and radio repair
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N0BST |
7 |
728 |
Oct Sat 26, 2019 1:42 am
Scot Armstrong
|
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Audio Circuits Employing Darlington Transistors
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transoceanic 8523 |
12 |
820 |
Oct Thu 24, 2019 10:32 pm
transoceanic 8523
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Scope clock
[ Go to page: 1, 2 ]
|
Tube Radio |
27 |
4079 |
Oct Tue 22, 2019 2:13 am
Tube Radio
|
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CLC filter questions.
|
williampage |
10 |
781 |
Oct Mon 21, 2019 2:35 am
infzqi
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DC to DC Boost Converter "Adding More Filter Capacitors"
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transoceanic 8523 |
5 |
358 |
Oct Sun 20, 2019 6:54 pm
transoceanic 8523
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3-channel Am Transmitter 1mhz 3mhz 5mhz $16
|
Mike Toon |
13 |
1123 |
Oct Sat 19, 2019 2:34 am
Mike Toon
|
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One Tube Preamp
|
transoceanic 8523 |
10 |
943 |
Oct Tue 15, 2019 7:46 pm
westcoastjohn
|
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How tall is Ramsey FM100B Antenna, from top of cabinet ?
|
oregonwinger73 |
14 |
856 |
Oct Mon 14, 2019 3:22 am
oregonwinger73
|
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One-Tube Radio Suggestions / Schematic
|
k2glo |
8 |
640 |
Oct Thu 10, 2019 3:20 am
k2glo
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