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No unread posts Attachment(s) Help troubleshooting regenerative receiver

KC2SIZ

4

500

Nov Wed 27, 2019 11:04 pm

infzqi View the latest post

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

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LM386

30

3781

Nov Fri 22, 2019 10:16 pm

infzqi View the latest post

No unread posts Learning while building and exploring 1920s radio technology

NW2K

1

630

Nov Fri 22, 2019 1:47 pm

KA8GEF View the latest post

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

Tube Radio

19

2241

Nov Tue 19, 2019 3:16 pm

Tube Radio View the latest post

No unread posts Attachment(s) BC-455A BFO

Tube Radio

9

1350

Nov Mon 18, 2019 5:14 am

Tube Radio View the latest post

No unread posts Attachment(s) Sources for Microwave oven transformer

Tube Radio

11

710

Nov Sun 17, 2019 8:21 pm

Tube Radio View the latest post

No unread posts AM Detector Using A Zero Bias Schottky Diode

Frank512

18

1221

Nov Fri 15, 2019 8:46 am

BobWeaver View the latest post

No unread posts Attachment(s) Variable frequency sawtooth generator

Tube Radio

17

1422

Nov Thu 14, 2019 1:57 am

Tube Radio View the latest post

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

forumuser

5

1053

Nov Thu 07, 2019 1:52 pm

forumuser View the latest post

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

vu2nan

16

2014

Nov Mon 04, 2019 6:27 am

vu2nan View the latest post

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

Chryseus

8

2615

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

1381

Nov Sat 02, 2019 10:55 pm

Tube Radio View the latest post

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

[ Go to pageGo to page: 1, 2 ]

MonkeyPaws

28

3533

Oct Thu 31, 2019 10:28 am

MonkeyPaws View the latest post

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

retro-pc_user

1

1425

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

1576

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

1183

Oct Mon 28, 2019 10:09 pm

35Z5 View the latest post

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

nico

4

2395

Oct Mon 28, 2019 7:29 pm

akrohn View the latest post

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

N0BST

7

1352

Oct Sat 26, 2019 1:42 am

Scot Armstrong View the latest post

No unread posts Audio Circuits Employing Darlington Transistors

transoceanic 8523

12

1921

Oct Thu 24, 2019 10:32 pm

transoceanic 8523 View the latest post

No unread posts Attachment(s) Scope clock

[ Go to pageGo to page: 1, 2 ]

Tube Radio

27

5218

Oct Tue 22, 2019 2:13 am

Tube Radio View the latest post

No unread posts Attachment(s) CLC filter questions.

williampage

10

1692

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

859

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

2028

Oct Sat 19, 2019 2:34 am

Mike Toon View the latest post

No unread posts Attachment(s) One Tube Preamp

transoceanic 8523

10

1479

Oct Tue 15, 2019 7:46 pm

westcoastjohn View the latest post

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

oregonwinger73

14

1760

Oct Mon 14, 2019 3:22 am

oregonwinger73 View the latest post

No unread posts One-Tube Radio Suggestions / Schematic

k2glo

8

1205

Oct Thu 10, 2019 3:20 am

k2glo View the latest post

No unread posts Norm 6888 transmitter

Sirtar

4

1133

Oct Thu 10, 2019 1:56 am

Sirtar View the latest post

No unread posts Oscilloscope clock modification

Tube Radio

0

726

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?

[ Go to pageGo to page: 1, 2 ]

radiocom

29

2116

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

1218

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

1031

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

1443

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

1318

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

1051

Sep Mon 30, 2019 4:07 pm

Usually Lurking View the latest post

No unread posts AES Battery Eliminator for AK20

ff4312

1

722

Sep Sat 28, 2019 3:49 pm

rxradio View the latest post

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

[ Go to pageGo to page: 1, 2, 3 ]

westcoastjohn

57

11610

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

1682

Sep Wed 25, 2019 5:49 pm

radiotechnician View the latest post

No unread posts Attachment(s) Open Frame Relay substitute

radiocom

9

954

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

2749

Sep Tue 24, 2019 4:47 am

Retired Radio Man View the latest post

No unread posts Scope clock mod

Tube Radio

8

984

Sep Tue 24, 2019 4:42 am

Tube Radio View the latest post

No unread posts Attachment(s) Variable buck converter question

TPAairman

5

1077

Sep Fri 20, 2019 9:50 am

TPAairman View the latest post

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

[ Go to pageGo to page: 1, 2, 3 ]

Ozo

44

11984

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

1492

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

2410

Sep Fri 13, 2019 11:20 pm

Mike48 View the latest post

No unread posts Attachment(s) Subminiature Receiver Issues

RCAProduction

10

1354

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

1714

Sep Mon 09, 2019 7:58 am

Usually Lurking View the latest post

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

shof

8

1594

Sep Mon 09, 2019 5:52 pm

radiohenry View the latest post

No unread posts Attachment(s) Long wire antenna

radiorich

7

1256

Sep Thu 05, 2019 10:30 pm

hbr nut View the latest post

No unread posts Attachment(s) Multiplying Battery Voltage? (DC Step-Up, 1.5 to 60v)

RCAProduction

18

2486

Sep Mon 02, 2019 10:34 pm

westcoastjohn View the latest post

No unread posts Attachment(s) Part 15 medium wave transmitter tank design

infzqi

10

1725

Aug Sat 31, 2019 6:57 am

Hue Miller View the latest post

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