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| Topics |
Author |
Replies |
Views |
Last post |
| Announcements |
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Contacting Forum Administrator
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Alan Voorhees |
0 |
14006 |
Jan Sun 22, 2023 9:10 am
Alan Voorhees
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How to fix >> DEACTIVATED ACCOUNT <<
[  Go to page: 1, 2 ]
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Alan Voorhees |
34 |
39513 |
Jun Sun 04, 2023 3:07 am
Electronic Memory
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| Topics |
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 Replicating Miller 242-A Antenna Coil
[ Go to page: 1, 2, 3 ]
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Macrohenry |
40 |
2462 |
Jun Thu 08, 2023 1:22 am
Macrohenry
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Choccy Block Crystal Radio
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Rich, W3HWJ |
7 |
472 |
Jun Tue 06, 2023 9:20 pm
BobWeaver
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Help explaining schematic
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arianskre |
9 |
338 |
Jun Tue 06, 2023 8:02 pm
arianskre
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Circuit for digital frequency display
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Tube Radio |
10 |
434 |
Jun Tue 06, 2023 1:33 pm
Tube Radio
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Converting RCA plug input to coax output
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frontier |
6 |
232 |
Jun Mon 05, 2023 4:46 pm
LM386
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UPDATE #2: RC-30 Manual television Cabinet Almost done!
[ Go to page: 1, 2, 3 ]
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Mr. Highlander |
52 |
14898 |
Jun Mon 05, 2023 12:17 am
Jim Mueller
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My favorite 1920s radio power supply
|
Dave Slusarczyk |
3 |
247 |
Jun Sat 03, 2023 8:34 pm
Dave Slusarczyk
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Solid State SW Superhet
[ Go to page: 1, 2 ]
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towble |
22 |
938 |
Jun Sat 03, 2023 8:26 am
ACORNVALVE
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PVC Fittings Plug-in coils
|
Rich, W3HWJ |
10 |
525 |
Jun Fri 02, 2023 10:51 pm
Macrohenry
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Just what is this??
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arianskre |
2 |
218 |
Jun Fri 02, 2023 4:07 pm
Rich, W3HWJ
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DIY Multiplexer?
[ Go to page: 1, 2 ]
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Maraakate |
24 |
8149 |
May Wed 31, 2023 3:03 pm
Maraakate
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Troubling old-man's-toy TX
|
pehamel |
6 |
547 |
May Tue 30, 2023 4:17 am
pehamel
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A simple, single-ended 6Y6 amplifier
|
Yote |
15 |
1752 |
May Sat 27, 2023 10:08 am
battradio@
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Homebrew type 30 tube audio amp
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aa5nut |
11 |
3444 |
May Thu 25, 2023 4:53 pm
radioman123
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Morgan Regen Project
[ Go to page: 1, 2 ]
|
Rich, W3HWJ |
24 |
1003 |
May Mon 22, 2023 3:52 pm
olddavid
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6GY6 two tube transmitter question
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Tube Radio |
15 |
2509 |
May Fri 19, 2023 4:42 am
Tube Radio
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Push pull 45 amp question
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Tube Radio |
4 |
391 |
May Wed 17, 2023 5:41 pm
Tube Radio
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interstage transformer or tube inverter?
|
classicelectronicsguy |
10 |
995 |
May Wed 17, 2023 5:30 pm
classicelectronicsguy
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Is SMPS ferrite core responsive to RF ?
[ Go to page: 1, 2 ]
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Vintage A |
37 |
1827 |
May Tue 16, 2023 10:03 am
ACORNVALVE
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"Use your TV set as an oscilloscope"
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AlekZ |
5 |
577 |
May Sun 14, 2023 5:41 am
AlekZ
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looking for a 300 watt mod transformer for my johnson 500
|
awoodeye |
1 |
183 |
May Sun 14, 2023 3:51 am
Jim Mueller
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Curious eBay find- Pomona box with 12 MPF102's on a circuit
[ Go to page: 1, 2 ]
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keithostertag |
21 |
1221 |
May Thu 11, 2023 9:48 pm
Alfredo_T
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Meissner 2-tube regen -- revised and working
[ Go to page: 1, 2 ]
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allthumbs |
38 |
2570 |
May Thu 11, 2023 1:25 am
olddavid
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Constant voltage circuit
|
Tube Radio |
15 |
876 |
May Wed 10, 2023 5:27 pm
Tube Radio
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cathode circuit design
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AI6LY |
5 |
382 |
May Mon 08, 2023 9:37 pm
Tom Bavis
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Homemade power supply advice needed
[ Go to page: 1, 2 ]
|
frontier |
21 |
967 |
May Mon 08, 2023 4:43 am
frontier
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Phase splitter question
[ Go to page: 1, 2 ]
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Tube Radio |
23 |
1768 |
May Sun 07, 2023 2:23 pm
Tube Radio
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Purpose of ground
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K4YDO |
17 |
904 |
May Fri 05, 2023 9:08 pm
BobWeaver
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UTC Trans substitute.
|
err ducks |
3 |
326 |
May Fri 05, 2023 6:11 pm
err ducks
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Switching Synchronous Detector Half Complete
[ Go to page: 1, 2 ]
|
Macrohenry |
20 |
1160 |
May Thu 04, 2023 7:34 pm
Macrohenry
|
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Magnetized toroids?
[ Go to page: 1, 2 ]
|
Macrohenry |
20 |
1538 |
May Thu 04, 2023 2:54 pm
Macrohenry
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ProgRock - 'programmable' crystal
|
Mike Yancey |
6 |
410 |
Apr Sun 30, 2023 9:36 pm
hbr nut
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2 Tube Amplified Crystal Radio
|
robroot61 |
12 |
727 |
Apr Sun 30, 2023 5:11 pm
robroot61
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HV Power Supply
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K4YDO |
4 |
607 |
Apr Sat 29, 2023 2:22 pm
eduardoa
|
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building a 6bk7 6gy6 am transmitter
[ Go to page: 1, 2 ]
|
ego sum jp |
37 |
2958 |
Apr Sat 29, 2023 3:14 am
Dale Saukerson
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Screen circuit voltage/resistance questions
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allthumbs |
9 |
671 |
Apr Sun 23, 2023 11:00 pm
BobWeaver
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Hoiw are temp-stabilized resistors used?
|
Macrohenry |
3 |
323 |
Apr Sun 23, 2023 2:11 am
Jim Mueller
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Another transformer output question.
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K4YDO |
9 |
574 |
Apr Sun 23, 2023 12:55 am
Jim Mueller
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6V Vibrapack
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arianskre |
7 |
566 |
Apr Sat 22, 2023 3:16 pm
bcascisa
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Tube audio buffer
[ Go to page: 1, 2 ]
|
Tube Radio |
33 |
1509 |
Apr Thu 20, 2023 1:52 pm
Tube Radio
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Power Supply W. A Synchronous Vibrator
|
Harold Wright |
2 |
324 |
Apr Wed 19, 2023 3:51 am
ACORNVALVE
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How many regens.
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jimbob |
10 |
1124 |
Apr Tue 18, 2023 7:05 pm
zarco
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How would I recreate this circuit?
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arianskre |
19 |
1816 |
Apr Mon 17, 2023 5:13 pm
ACORNVALVE
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Transformer coupled low voltage tube push pull amp
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battradio@ |
10 |
751 |
Apr Sun 16, 2023 3:25 pm
BikenSwim
|
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Inductors for signal generator
[ Go to page: 1, 2 ]
|
Radiator |
21 |
1303 |
Apr Sat 15, 2023 8:40 pm
Macrohenry
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0.18W HF linear amplifier with 7805 voltage regulator chip.
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Dare4444 |
16 |
964 |
Apr Thu 13, 2023 10:50 am
ACORNVALVE
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Looking for Graeme Zimmer's pages
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Macrohenry |
2 |
236 |
Apr Wed 12, 2023 9:33 pm
Mike Yancey
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TO MAKE AN ADJUSTED GRID-LEAK
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Chas |
15 |
1303 |
Apr Mon 10, 2023 10:18 pm
ACORNVALVE
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Increase Sensitivity of 20ua meter. (amplifier?)
[ Go to page: 1, 2 ]
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WA1KPD |
30 |
1834 |
Apr Mon 10, 2023 3:51 am
smithdoor
|
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RF Voltmeter module for VTVM or DMM
[ Go to page: 1, 2 ]
|
Eric E |
25 |
1609 |
Apr Sun 09, 2023 5:06 pm
smithdoor
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