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| Topics |
Author |
Replies |
Views |
Last post |
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 H11F1 Isolated Variable Attenuator
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Macrohenry |
2 |
29 |
Jan Tue 18, 2022 1:33 am
Macrohenry
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Battery Eliminator
|
amyotte |
18 |
431 |
Jan Mon 17, 2022 8:58 pm
amyotte
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Mystery Homebrew kluge
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Max Brandt |
5 |
161 |
Jan Mon 17, 2022 7:06 pm
Max Brandt
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Battery Eliminator Problems
|
jimhounschell |
8 |
111 |
Jan Mon 17, 2022 5:25 pm
jimhounschell
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New PWM based AM Transmitter
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Dare4444 |
1 |
52 |
Jan Mon 17, 2022 4:53 pm
Dare4444
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control amp for a 300B
[  Go to page: 1, 2, 3 ]
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john8750 |
55 |
1075 |
Jan Sun 16, 2022 7:33 pm
john8750
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Monitoring modulation
[ Go to page: 1, 2 ]
|
boogieman |
32 |
11328 |
Jan Sun 16, 2022 2:34 am
Kevin Kuehn
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fox hole radio
[ Go to page: 1, 2 ]
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jimbob |
29 |
5272 |
Jan Sun 16, 2022 1:47 am
mrx
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Allied knight crystal radio
|
mrx |
8 |
165 |
Jan Sat 15, 2022 10:40 pm
hwhall
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Magnavox CR-198C console upgrades
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Tube Radio |
0 |
40 |
Jan Sat 15, 2022 7:09 pm
Tube Radio
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5DEP1 scope clock revisited
|
Tube Radio |
0 |
63 |
Jan Fri 14, 2022 11:10 pm
Tube Radio
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Adding Bluetooth to a couple of my Vintage AM Radios
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spfenn |
8 |
298 |
Jan Fri 14, 2022 1:54 pm
Dave Doughty
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Triple Frequency XTAL CD4011 oscillator Idea
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Dare4444 |
2 |
157 |
Jan Thu 13, 2022 5:42 pm
Dare4444
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Heathkit K-1 coil information
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Jim Mueller |
4 |
141 |
Jan Thu 13, 2022 12:03 am
Jim Mueller
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Another Regen radio project
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ballroad |
4 |
192 |
Jan Wed 12, 2022 5:51 pm
err ducks
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Modeling transformer windings in LTSpice
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Macrohenry |
3 |
168 |
Jan Sat 08, 2022 11:33 pm
ACORNVALVE
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Solid State Transformer Substitute: Update
[ Go to page: 1, 2 ]
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JnTX |
29 |
7904 |
Jan Fri 07, 2022 11:25 pm
allthumbs
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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 |
96 |
5858 |
Jan Fri 07, 2022 6:55 pm
processhead
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Power supply question
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Tube Radio |
4 |
216 |
Jan Fri 07, 2022 1:50 pm
Tube Radio
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Ukraine headphones
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jimbob |
3 |
303 |
Jan Thu 06, 2022 4:23 pm
battradio@
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Analog computer calculating efficiency using tubes?
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arianskre |
10 |
300 |
Jan Thu 06, 2022 5:22 am
BobWeaver
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Simple modulated crystal controlled 455 kHz oscillator...
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xrhonda91 |
17 |
7646 |
Jan Wed 05, 2022 4:13 pm
Dare4444
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Marantz T1........well sorta anyway
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archeus68 |
4 |
387 |
Jan Tue 04, 2022 11:08 pm
DrRick
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Moved: YAESU FT-891 NOISE BLANKER GOOD or BAD ?
|
Frank512 |
1 |
118 |
Jan Tue 04, 2022 6:15 am
Macrohenry
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6V6 SE HiFi amp (new project)
[ Go to page: 1 ... 33, 34, 35 ]
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Pbpix |
682 |
116385 |
Jan Mon 03, 2022 10:42 pm
john8750
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A Transmitter Circuit Using a 6CQ8 (or 6U8A or 6GH8A)
[ Go to page: 1, 2, 3, 4 ]
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BobWeaver |
77 |
26703 |
Jan Mon 03, 2022 6:33 am
BobWeaver
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Home-made freq counter & RF-generator unit for AM BCB radios
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xrhonda91 |
6 |
672 |
Jan Sat 01, 2022 5:36 pm
xrhonda91
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6GY6 transmitter mod
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Tube Radio |
2 |
211 |
Dec Fri 31, 2021 3:53 am
Tube Radio
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Homebrew Electrostatic TV Set.
[ Go to page: 1, 2 ]
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ACORNVALVE |
24 |
5327 |
Dec Fri 31, 2021 1:40 am
ACORNVALVE
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Redesigning/Improving the Talking House Transmitter
[ Go to page: 1, 2, 3 ]
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cc333 |
57 |
2893 |
Dec Fri 31, 2021 12:03 am
Tube Radio
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Single ended 6L6 amplifier
[ Go to page: 1, 2 ]
|
Erich Loepke |
20 |
4695 |
Dec Thu 30, 2021 12:48 am
ACORNVALVE
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Moved: Vint. 6V/80 A Alternator
|
Harold Wright |
12 |
592 |
Jan Sun 02, 2022 12:44 am
SHOVELHEAD TOO
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small directional antenna for outside RFI hunt
|
forumuser |
12 |
541 |
Dec Tue 28, 2021 5:07 pm
LM386
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Wiring a kit/homebrew?
[ Go to page: 1, 2 ]
|
Govee |
34 |
1762 |
Dec Tue 28, 2021 1:28 am
Govee
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Crystal radio
[ Go to page: 1, 2, 3 ]
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Chriscrosley1 |
44 |
2325 |
Dec Mon 27, 2021 4:31 pm
Macrohenry
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RF switchmode amplifiers PDF
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Dare4444 |
10 |
551 |
Dec Sat 25, 2021 8:50 pm
Rich, W3HWJ
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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 |
49 |
2244 |
Dec Sat 25, 2021 6:32 pm
Mike Toon
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Help With Radio Power Supply
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Fordman |
14 |
900 |
Dec Fri 24, 2021 10:45 pm
ACORNVALVE
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Microcontroller Based Signal Generator
[ Go to page: 1 ... 10, 11, 12 ]
|
louhaskell |
227 |
79276 |
Dec Mon 20, 2021 10:20 pm
BobWeaver
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Converting fada 44 into bluetooth
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Progman22 |
3 |
185 |
Dec Mon 20, 2021 8:39 pm
FStephenMasek
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Electrostatic CRT deflection circuit
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Tube Radio |
17 |
1061 |
Dec Mon 20, 2021 8:35 pm
Tube Radio
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Long over due / forgotten projects
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N2LXM |
4 |
532 |
Dec Mon 20, 2021 4:43 am
BikenSwim
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general output wattage of antique radios?
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sat159p1 |
3 |
357 |
Dec Sun 19, 2021 3:38 am
battradio@
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Home made ultradyne
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AlekZ |
9 |
742 |
Dec Sat 18, 2021 10:33 pm
AlekZ
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Possible audio amp build - need transformer help please
|
TV MAN |
16 |
903 |
Dec Sat 18, 2021 3:12 pm
Tim Tress
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Chassis punches
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jimbob |
9 |
848 |
Dec Thu 16, 2021 7:24 am
Mr. Detrola
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Part 15 frustration possible solution?
|
Macrohenry |
11 |
859 |
Dec Wed 15, 2021 4:01 pm
forumuser
|
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PWM AM exciter. Should work!!
[ Go to page: 1, 2 ]
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Dare4444 |
33 |
1791 |
Dec Mon 13, 2021 9:41 pm
Dare4444
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"Hum" noise in transmitter When listening to it on AM radio
[ Go to page: 1, 2 ]
|
sv3ora |
21 |
1908 |
Dec Mon 13, 2021 9:35 pm
Mike Toon
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One Transistor Superhet
|
transistor495 |
3 |
483 |
Dec Tue 07, 2021 6:20 pm
KB4QAA
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