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Post New Topic  [ 3556 topics ]  Go to page 1, 2, 3, 4, 5 ... 72  Next
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No unread posts Attachment(s) Dekatron spinner circuit question

Tube Radio

0

23

Nov Tue 12, 2019 3:37 am

Tube Radio View the latest post

No unread posts Attachment(s) Variable frequency sawtooth generator

Tube Radio

15

889

Nov Tue 12, 2019 3:19 am

Tube Radio View the latest post

No unread posts Attachment(s) Anyone have Tom Guests vibrator schematic from long ago?

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tbone8

58

3373

Nov Tue 12, 2019 1:51 am

infzqi View the latest post

No unread posts Attachment(s) Simple High Performance Shortwave Regenerative Receiver

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LM386

23

1175

Nov Mon 11, 2019 3:33 pm

LM386 View the latest post

No unread posts AM Detector Using A Zero Bias Schottky Diode

Frank512

14

231

Nov Mon 11, 2019 4:13 am

shinkuukan View the latest post

No unread posts Attachment(s) Heathkit HP-23 power supply mod

forumuser

5

386

Nov Thu 07, 2019 1:52 pm

forumuser View the latest post

No unread posts Attachment(s) Another Loop Antenna Crystal Radio

vu2nan

16

517

Nov Mon 04, 2019 6:27 am

vu2nan View the latest post

No unread posts Attachment(s) First tube radio [WIP]

Chryseus

8

1286

Nov Sun 03, 2019 9:44 pm

Scot Armstrong View the latest post

No unread posts Attachment(s) Sylvania RM-300X external audio input mod

Tube Radio

0

100

Nov Sat 02, 2019 10:55 pm

Tube Radio View the latest post

No unread posts Attachment(s) Working on a AM transmitter prototype

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MonkeyPaws

28

1396

Oct Thu 31, 2019 10:28 am

MonkeyPaws View the latest post

No unread posts Attachment(s) Talking House AM Transmitter MODIFICATION IDEAS HELP?

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gmcjetpilot

103

53298

Oct Tue 29, 2019 7:31 pm

Tube Radio View the latest post

No unread posts Turning a novelty AM radio as a speakerphone/media player

retro-pc_user

1

304

Oct Tue 29, 2019 1:32 pm

retro-pc_user View the latest post

No unread posts Someone's older home brew. Published recipe?

uncle_Bob

1

432

Oct Tue 29, 2019 1:17 am

Leno Pederson View the latest post

No unread posts Attachment(s) Modulation: Need informations about double control pentodes

Edi

1

245

Oct Mon 28, 2019 10:09 pm

35Z5 View the latest post

No unread posts Attachment(s) 12 Volt EF97 shortwacve superhet

nico

4

1794

Oct Mon 28, 2019 7:29 pm

akrohn View the latest post

No unread posts Attachment(s) Telequipment D-54 lamp mod

Tube Radio

17

491

Oct Mon 28, 2019 11:22 am

Tube Radio View the latest post

No unread posts hookup wire stock for homebrew equipment and radio repair

N0BST

7

548

Oct Sat 26, 2019 1:42 am

Scot Armstrong View the latest post

No unread posts Audio Circuits Employing Darlington Transistors

transoceanic 8523

12

579

Oct Thu 24, 2019 10:32 pm

transoceanic 8523 View the latest post

No unread posts Attachment(s) A Deluxe Receiver for the DX Operator

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Norm Johnson

99

14350

Oct Tue 22, 2019 9:11 pm

k8cca View the latest post

No unread posts Attachment(s) Scope clock

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Tube Radio

27

3715

Oct Tue 22, 2019 2:13 am

Tube Radio View the latest post

No unread posts Attachment(s) CLC filter questions.

williampage

10

580

Oct Mon 21, 2019 2:35 am

infzqi View the latest post

No unread posts DC to DC Boost Converter "Adding More Filter Capacitors"

transoceanic 8523

5

222

Oct Sun 20, 2019 6:54 pm

transoceanic 8523 View the latest post

No unread posts 3-channel Am Transmitter 1mhz 3mhz 5mhz $16

Mike Toon

13

820

Oct Sat 19, 2019 2:34 am

Mike Toon View the latest post

No unread posts Attachment(s) One Tube Preamp

transoceanic 8523

10

749

Oct Tue 15, 2019 7:46 pm

westcoastjohn View the latest post

No unread posts Part 15 Transmitter using VCA?

Macrohenry

2

385

Oct Mon 14, 2019 11:43 am

Rod FeC View the latest post

No unread posts How tall is Ramsey FM100B Antenna, from top of cabinet ?

oregonwinger73

14

611

Oct Mon 14, 2019 3:22 am

oregonwinger73 View the latest post

No unread posts One-Tube Radio Suggestions / Schematic

k2glo

8

487

Oct Thu 10, 2019 3:20 am

k2glo View the latest post

No unread posts Norm 6888 transmitter

Sirtar

4

489

Oct Thu 10, 2019 1:56 am

Sirtar View the latest post

No unread posts Oscilloscope clock modification

Tube Radio

0

140

Oct Thu 10, 2019 12:39 am

Tube Radio View the latest post

No unread posts Attachment(s) Are there any RF tube amp experts out there?

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radiocom

29

758

Oct Tue 08, 2019 11:56 am

radiocom View the latest post

No unread posts Attachment(s) Sony TV external video input mod

Tube Radio

7

496

Oct Mon 07, 2019 4:37 am

Tube Radio View the latest post

No unread posts Adding a tuned circuit to input of FM RF amp in table radio

wa2ise

1

356

Oct Sat 05, 2019 9:25 pm

westcoastjohn View the latest post

No unread posts More mods to my radio, an AM RF stage tuned input and output

wa2ise

2

418

Oct Wed 02, 2019 1:16 pm

Dave Doughty View the latest post

No unread posts Instructables Circuits Projects- Antique Radio B-Battery P.S

transoceanic 8523

9

522

Oct Tue 01, 2019 10:00 pm

Usually Lurking View the latest post

No unread posts Attachment(s) Need High Current B+ Power Supply

transoceanic 8523

7

430

Sep Mon 30, 2019 4:07 pm

Usually Lurking View the latest post

No unread posts AES Battery Eliminator for AK20

ff4312

1

222

Sep Sat 28, 2019 3:49 pm

rxradio View the latest post

No unread posts Attachment(s) Westinghouse H122 has Updated new power supply.

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westcoastjohn

57

9643

Sep Fri 27, 2019 8:02 pm

westcoastjohn View the latest post

No unread posts I just built a simple gadget .Guess what the 5 parts are.

radiotechnician

7

932

Sep Wed 25, 2019 5:49 pm

radiotechnician View the latest post

No unread posts Attachment(s) Open Frame Relay substitute

radiocom

9

331

Sep Tue 24, 2019 10:52 pm

radiocom View the latest post

No unread posts Attachment(s) Popular Electronics 1955 "One Tube Wallop"

transoceanic 8523

17

1087

Sep Tue 24, 2019 4:47 am

Retired Radio Man View the latest post

No unread posts Scope clock mod

Tube Radio

8

318

Sep Tue 24, 2019 4:42 am

Tube Radio View the latest post

No unread posts Attachment(s) Tarnished Silver as a Crystal Radio Detector

vu2nan

6

741

Sep Sun 22, 2019 3:26 am

vu2nan View the latest post

No unread posts Attachment(s) Variable buck converter question

TPAairman

5

415

Sep Fri 20, 2019 9:50 am

TPAairman View the latest post

No unread posts Attachment(s) Power supply for farm radio

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Ozo

44

10127

Sep Mon 16, 2019 11:36 pm

Colin Ames View the latest post

Moved topic Attachment(s) Moved: A simple IF transformer question

cl350rr

7

797

Sep Wed 18, 2019 6:42 pm

Chris108 View the latest post

No unread posts 3.5 mm ADAPTER WITH ISOLATION TRANSFORMER

[ Go to pageGo to page: 1, 2 ]

Mike48

23

965

Sep Fri 13, 2019 11:20 pm

Mike48 View the latest post

No unread posts Attachment(s) Subminiature Receiver Issues

RCAProduction

10

691

Sep Wed 11, 2019 6:18 am

radiorich View the latest post

No unread posts SN74LS90N IC Decade Counter - How Can I Make It Work?

RCAProduction

14

748

Sep Mon 09, 2019 7:58 am

Usually Lurking View the latest post

No unread posts Attachment(s) Microcontroller Based Signal Generator

[ Go to pageGo to page: 1 ... 9, 10, 11 ]

louhaskell

207

40725

Sep Mon 09, 2019 12:32 am

Southerner View the latest post

Moved topic Attachment(s) Moved: Hi Can any one I.D this radio

shof

8

944

Sep Mon 09, 2019 5:52 pm

radiohenry View the latest post

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