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| Topics |
Author |
Replies |
Views |
Last post |
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 Direct conversion receiver tips?
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zarco |
18 |
450 |
Jun Thu 20, 2019 2:18 am
avictor
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This kid paid attention in shop class...
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decotronix |
4 |
289 |
Jun Thu 20, 2019 1:09 am
Macrohenry
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R390A speaker match DIY
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TDane |
6 |
118 |
Jun Tue 18, 2019 11:22 pm
TDane
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Wanted: Frequency Synthesizer Schematic
[  Go to page: 1, 2 ]
|
Jthorusen |
31 |
840 |
Jun Tue 18, 2019 8:46 am
Jthorusen
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A Deluxe Receiver for the DX Operator
[ Go to page: 1, 2, 3, 4, 5 ]
|
Norm Johnson |
87 |
10428 |
Jun Mon 17, 2019 2:10 am
Norm Johnson
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Moved: Atwater Kent Tuning Accuracy
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CR220 |
6 |
217 |
Jun Tue 18, 2019 4:32 pm
lorenz200w
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Modulation monitor circuit question
|
Tube Radio |
8 |
203 |
Jun Thu 13, 2019 1:47 pm
Tube Radio
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First tube radio [WIP]
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Chryseus |
5 |
311 |
Jun Sun 09, 2019 3:47 pm
Chryseus
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QST two tube superhet
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M1911A1 |
14 |
686 |
Jun Sat 08, 2019 1:22 pm
Dennis Banker
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Decent FM band tube preamplifier?
|
benman94 |
10 |
398 |
Jun Sat 08, 2019 3:14 am
Indiana Radios
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Single ended 6L6 amplifier
|
Erich Loepke |
8 |
191 |
Jun Fri 07, 2019 8:14 pm
Flipperhome
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Another Little Prince- tube preamp
[ Go to page: 1 ... 13, 14, 15 ]
|
john8750 |
287 |
5699 |
Jun Fri 07, 2019 12:03 am
john8750
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How about this 6L6 amplifier
[ Go to page: 1, 2, 3, 4 ]
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FStephenMasek |
62 |
2408 |
Jun Thu 06, 2019 8:49 pm
FStephenMasek
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sylvania 302 polymeter with Hot chassis
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Airwavesantiques |
6 |
226 |
Jun Tue 04, 2019 3:31 pm
stevebyan
|
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Ampex output transformers for DIY amp build
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madlabs |
6 |
159 |
Jun Tue 04, 2019 3:15 pm
madlabs
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One Tube Receiver
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Als_Basement |
17 |
504 |
Jun Sun 02, 2019 3:24 am
Als_Basement
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Tube Amplifier Modeling Software
|
FStephenMasek |
18 |
403 |
May Fri 24, 2019 4:36 pm
benman94
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Amplifier question
[ Go to page: 1, 2 ]
|
Tube Radio |
24 |
572 |
May Fri 24, 2019 3:31 pm
Tube Radio
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Scope clock modification
|
Tube Radio |
5 |
312 |
May Wed 22, 2019 7:19 pm
Tube Radio
|
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Trick to winding tight coils?
|
zarco |
12 |
431 |
May Tue 21, 2019 7:11 pm
Scot Armstrong
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Moved: good quality pots wanted!
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williampage |
4 |
389 |
May Wed 22, 2019 10:28 pm
Barry H Bennett
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3 Transistor AM radio idea
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BitHog |
3 |
305 |
May Mon 20, 2019 2:34 pm
LM386
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Making a 1937 Airline radio chassis now on Youtube
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Buzz1151 |
9 |
721 |
May Mon 20, 2019 4:26 am
pauls.ironhorse
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Problems with Highly Rectangular Loops ?
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krystallo |
5 |
341 |
May Thu 16, 2019 8:53 pm
fifties
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AM Transmitter schematic
|
jim campbell |
12 |
857 |
May Thu 16, 2019 7:44 pm
35Z5
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Stewart warner combination
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spsquires |
1 |
199 |
May Mon 13, 2019 1:07 am
spsquires
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Is there a ferrite rod/material for use on HF frequencies?
|
oldlongwave |
6 |
386 |
May Mon 13, 2019 12:39 am
Jim Mueller
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My Solid State Magic Eye
[ Go to page: 1, 2, 3 ]
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upsss |
50 |
6776 |
May Sun 12, 2019 5:25 pm
engineer
|
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Power supply redesign
|
Tube Radio |
18 |
838 |
May Thu 09, 2019 10:58 pm
Tube Radio
|
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Remote tuner for a loop antenna
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michael w |
4 |
224 |
May Thu 09, 2019 7:49 pm
Macrohenry
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Building the Stancor Williamson Amp: 807 PP
[ Go to page: 1, 2 ]
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Greenhorn |
20 |
2715 |
May Wed 08, 2019 4:10 am
FStephenMasek
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Single-ended push-pull Better design found?
[ Go to page: 1, 2 ]
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westcoastjohn |
23 |
659 |
May Mon 06, 2019 10:55 pm
radiotechnician
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coronado 650a power supply
|
Rich berg |
15 |
493 |
May Mon 06, 2019 2:56 pm
Rich berg
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schematic for CLC filtered power supply wanted
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williampage |
18 |
433 |
May Sun 05, 2019 6:32 am
Usually Lurking
|
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Reproduction KNIGHT AM BROADCASTER
|
w0vt |
2 |
408 |
May Sat 04, 2019 5:28 pm
Mike Toon
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Westinghouse H122 has new power supply.
[ Go to page: 1, 2, 3 ]
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westcoastjohn |
56 |
8319 |
May Fri 03, 2019 8:29 pm
westcoastjohn
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Super-Duper Simple single-FET external AM-BCB booster...
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xrhonda91 |
16 |
1016 |
May Fri 03, 2019 7:02 pm
wazz
|
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Low pass filter addition to amplifier
[ Go to page: 1, 2 ]
|
Tube Radio |
39 |
1630 |
Apr Tue 30, 2019 9:43 pm
Tube Radio
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250 volt power supply info needed.
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williampage |
17 |
941 |
Apr Mon 29, 2019 5:46 pm
Usually Lurking
|
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Op Amp problems
[ Go to page: 1, 2, 3, 4 ]
|
Dennis H. |
74 |
1434 |
Apr Sun 28, 2019 6:03 pm
pauls.ironhorse
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Calculating dropping resisitor for zener diodes
[ Go to page: 1, 2 ]
|
Yeti575 |
20 |
422 |
Apr Thu 25, 2019 6:08 pm
upsss
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How do bidirectional amps work?
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Macrohenry |
6 |
275 |
Apr Thu 25, 2019 12:35 am
Macrohenry
|
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AM PLL Transmitter kit
[ Go to page: 1, 2, 3 ]
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Ed in SoDak |
51 |
4027 |
Apr Tue 23, 2019 5:22 pm
Tube Radio
|
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Homebrew 1920s-'30s record player...I'm clueless. Ideas?
[ Go to page: 1, 2, 3 ]
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VanEpsFan1914 |
52 |
1765 |
Apr Mon 22, 2019 3:38 am
Tube Radio
|
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Demod probe results
|
allthumbs |
8 |
350 |
Apr Fri 19, 2019 3:35 pm
Chas
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Tubeless FM Converter
|
Mike C. |
4 |
266 |
Apr Thu 18, 2019 5:56 pm
pauls.ironhorse
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Metered soft start with digital meter
|
Sal Brisindi |
4 |
254 |
Apr Wed 17, 2019 5:55 pm
Mike Toon
|
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AM flat loop antenna
[ Go to page: 1, 2 ]
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neondave |
28 |
1390 |
Apr Fri 12, 2019 6:55 am
db gain
|
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CRT circuit question
[ Go to page: 1, 2, 3 ]
|
Tube Radio |
47 |
3860 |
Apr Fri 05, 2019 4:18 am
Tube Radio
|
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Questions about Laplace transforms in LTSpice.
[ Go to page: 1, 2 ]
|
benman94 |
24 |
1072 |
Apr Mon 01, 2019 9:31 pm
benman94
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