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Post New Topic  [ 3492 topics ]  Go to page 1, 2, 3, 4, 5 ... 70  Next
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No unread posts Anyone here used an arduino and/or raspberry pi for a radio?

Keeta

7

169

Jun Tue 25, 2019 5:35 pm

htolino View the latest post

No unread posts Attachment(s) DC SW RECEIVER

aurel

2

101

Jun Tue 25, 2019 5:05 pm

Dare4444 View the latest post

No unread posts Attachment(s) Direct conversion receiver tips?

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zarco

23

636

Jun Tue 25, 2019 1:58 am

avictor View the latest post

No unread posts Attachment(s) LOW NOISE SW REGEN RECEIVER

aurel

0

59

Jun Mon 24, 2019 6:41 pm

aurel View the latest post

No unread posts Balanced audio mod

Tube Radio

0

70

Jun Mon 24, 2019 3:47 am

Tube Radio View the latest post

No unread posts magnet re-magnitizer question

Tube Radio

11

269

Jun Sat 22, 2019 3:35 am

Tube Radio View the latest post

Moved topic Moved: octal equivelent to a 12AT7 tube?

williampage

6

351

Jun Sun 23, 2019 3:38 am

OldWireBender View the latest post

No unread posts R390A speaker match DIY

TDane

7

198

Jun Fri 21, 2019 8:17 pm

nash View the latest post

No unread posts The Simplex X Super (clever design)

10.7Megahertz

1

107

Jun Fri 21, 2019 5:30 pm

10.7Megahertz View the latest post

No unread posts little machine screws info.

williampage

1

139

Jun Thu 20, 2019 11:26 pm

avictor View the latest post

No unread posts Switch mode power supply help

Tube Radio

2

115

Jun Thu 20, 2019 3:36 pm

Tube Radio View the latest post

No unread posts What to do with two transformers?

FStephenMasek

0

152

Jun Thu 20, 2019 6:23 am

FStephenMasek View the latest post

No unread posts Attachment(s) This kid paid attention in shop class...

decotronix

4

393

Jun Thu 20, 2019 1:09 am

Macrohenry View the latest post

No unread posts Attachment(s) Wanted: Frequency Synthesizer Schematic

[ Go to pageGo to page: 1, 2 ]

Jthorusen

31

925

Jun Tue 18, 2019 8:46 am

Jthorusen View the latest post

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

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Norm Johnson

87

10551

Jun Mon 17, 2019 2:10 am

Norm Johnson View the latest post

Moved topic Moved: Atwater Kent Tuning Accuracy

CR220

6

255

Jun Tue 18, 2019 4:32 pm

lorenz200w View the latest post

No unread posts Attachment(s) Modulation monitor circuit question

Tube Radio

8

232

Jun Thu 13, 2019 1:47 pm

Tube Radio View the latest post

No unread posts First tube radio [WIP]

Chryseus

5

348

Jun Sun 09, 2019 3:47 pm

Chryseus View the latest post

No unread posts Attachment(s) QST two tube superhet

M1911A1

14

724

Jun Sat 08, 2019 1:22 pm

Dennis Banker View the latest post

No unread posts Attachment(s) Decent FM band tube preamplifier?

benman94

10

428

Jun Sat 08, 2019 3:14 am

Indiana Radios View the latest post

No unread posts Attachment(s) Single ended 6L6 amplifier

Erich Loepke

8

215

Jun Fri 07, 2019 8:14 pm

Flipperhome View the latest post

No unread posts Attachment(s) Another Little Prince- tube preamp

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john8750

287

5993

Jun Fri 07, 2019 12:03 am

john8750 View the latest post

No unread posts Attachment(s) How about this 6L6 amplifier

[ Go to pageGo to page: 1, 2, 3, 4 ]

FStephenMasek

62

2490

Jun Thu 06, 2019 8:49 pm

FStephenMasek View the latest post

No unread posts sylvania 302 polymeter with Hot chassis

Airwavesantiques

6

235

Jun Tue 04, 2019 3:31 pm

stevebyan View the latest post

No unread posts Ampex output transformers for DIY amp build

madlabs

6

164

Jun Tue 04, 2019 3:15 pm

madlabs View the latest post

No unread posts Attachment(s) One Tube Receiver

Als_Basement

17

531

Jun Sun 02, 2019 3:24 am

Als_Basement View the latest post

No unread posts Attachment(s) Tube Amplifier Modeling Software

FStephenMasek

18

413

May Fri 24, 2019 4:36 pm

benman94 View the latest post

No unread posts Attachment(s) Amplifier question

[ Go to pageGo to page: 1, 2 ]

Tube Radio

24

600

May Fri 24, 2019 3:31 pm

Tube Radio View the latest post

No unread posts Attachment(s) Scope clock modification

Tube Radio

5

327

May Wed 22, 2019 7:19 pm

Tube Radio View the latest post

No unread posts Attachment(s) Trick to winding tight coils?

zarco

12

447

May Tue 21, 2019 7:11 pm

Scot Armstrong View the latest post

Moved topic Moved: good quality pots wanted!

williampage

4

399

May Wed 22, 2019 10:28 pm

Barry H Bennett View the latest post

No unread posts Attachment(s) 3 Transistor AM radio idea

BitHog

3

331

May Mon 20, 2019 2:34 pm

LM386 View the latest post

No unread posts Making a 1937 Airline radio chassis now on Youtube

Buzz1151

9

738

May Mon 20, 2019 4:26 am

pauls.ironhorse View the latest post

No unread posts Attachment(s) Problems with Highly Rectangular Loops ?

krystallo

5

352

May Thu 16, 2019 8:53 pm

fifties View the latest post

No unread posts Attachment(s) AM Transmitter schematic

jim campbell

12

888

May Thu 16, 2019 7:44 pm

35Z5 View the latest post

No unread posts Attachment(s) Stewart warner combination

spsquires

1

211

May Mon 13, 2019 1:07 am

spsquires View the latest post

No unread posts Is there a ferrite rod/material for use on HF frequencies?

oldlongwave

6

401

May Mon 13, 2019 12:39 am

Jim Mueller View the latest post

No unread posts Attachment(s) My Solid State Magic Eye

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

upsss

50

6857

May Sun 12, 2019 5:25 pm

engineer View the latest post

No unread posts Attachment(s) Power supply redesign

Tube Radio

18

877

May Thu 09, 2019 10:58 pm

Tube Radio View the latest post

No unread posts Attachment(s) Remote tuner for a loop antenna

michael w

4

236

May Thu 09, 2019 7:49 pm

Macrohenry View the latest post

No unread posts Attachment(s) Building the Stancor Williamson Amp: 807 PP

[ Go to pageGo to page: 1, 2 ]

Greenhorn

20

2744

May Wed 08, 2019 4:10 am

FStephenMasek View the latest post

No unread posts Attachment(s) Single-ended push-pull Better design found?

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westcoastjohn

23

679

May Mon 06, 2019 10:55 pm

radiotechnician View the latest post

No unread posts Attachment(s) coronado 650a power supply

Rich berg

15

503

May Mon 06, 2019 2:56 pm

Rich berg View the latest post

No unread posts schematic for CLC filtered power supply wanted

williampage

18

449

May Sun 05, 2019 6:32 am

Usually Lurking View the latest post

No unread posts Reproduction KNIGHT AM BROADCASTER

w0vt

2

426

May Sat 04, 2019 5:28 pm

Mike Toon View the latest post

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

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

westcoastjohn

56

8363

May Fri 03, 2019 8:29 pm

westcoastjohn View the latest post

No unread posts Attachment(s) Super-Duper Simple single-FET external AM-BCB booster...

xrhonda91

16

1040

May Fri 03, 2019 7:02 pm

wazz View the latest post

No unread posts Attachment(s) Low pass filter addition to amplifier

[ Go to pageGo to page: 1, 2 ]

Tube Radio

39

1666

Apr Tue 30, 2019 9:43 pm

Tube Radio View the latest post

No unread posts Attachment(s) 250 volt power supply info needed.

williampage

17

962

Apr Mon 29, 2019 5:46 pm

Usually Lurking View the latest post

No unread posts Attachment(s) Op Amp problems

[ Go to pageGo to page: 1, 2, 3, 4 ]

Dennis H.

74

1468

Apr Sun 28, 2019 6:03 pm

pauls.ironhorse View the latest post

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