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Alan Voorhees

0

2663

Aug Mon 31, 2020 7:16 am

Alan Voorhees View the latest post

Topics
No unread posts Voltage regulator design

Tube Radio

2

55

Oct Wed 28, 2020 10:20 pm

Tube Radio View the latest post

No unread posts Attachment(s) Future Kit 35 watt mono amp kit

[ Go to pageGo to page: 1, 2 ]

Tube Radio

36

509

Oct Wed 28, 2020 7:25 pm

Tube Radio View the latest post

No unread posts Attachment(s) Question about DIY vintage radio

akalsteni68

3

296

Oct Wed 28, 2020 3:17 pm

Tube Radio View the latest post

No unread posts Attachment(s) LM386N MK-XI BCB Transmitter

[ Go to pageGo to page: 1 ... 48, 49, 50 ]

35Z5

995

242165

Oct Wed 28, 2020 3:16 pm

infzqi View the latest post

No unread posts Attachment(s) sizing filter capacitors

N0BST

5

309

Oct Mon 26, 2020 5:49 pm

infzqi View the latest post

No unread posts Attachment(s) High Voltage Source

Loose_coupler

19

538

Oct Sun 25, 2020 10:18 pm

N0BST View the latest post

No unread posts Attachment(s) Regulated high voltage power supply circuit

AE2EA

7

346

Oct Sun 25, 2020 12:56 am

NW2K View the latest post

No unread posts Farm Radio Power Supply - Parts List UPDATED

Dennis Wess

1

284

Oct Thu 22, 2020 12:47 am

Dennis Wess View the latest post

No unread posts Oscilloscope clock

Tube Radio

0

120

Oct Wed 21, 2020 1:38 am

Tube Radio View the latest post

No unread posts Attachment(s) Battery Charger Circuit questions - help

[ Go to pageGo to page: 1, 2 ]

Pbpix

22

5675

Oct Mon 19, 2020 3:31 am

Usually Lurking View the latest post

No unread posts Attachment(s) Ideal envelope shape for soft mute

Macrohenry

14

407

Oct Fri 16, 2020 11:25 pm

Macrohenry View the latest post

No unread posts Simpler UPS for intermittent power.

poulsbobill

8

384

Oct Thu 15, 2020 1:32 am

VEK View the latest post

No unread posts Attachment(s) How would you design it?

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Tony Wells

23

822

Oct Wed 14, 2020 12:29 am

Tony Wells View the latest post

No unread posts Attachment(s) Am Loop antennas

Rgvbobcat

8

770

Oct Mon 12, 2020 7:43 pm

Mike Toon View the latest post

No unread posts Attachment(s) Making repro wet can electros

irob2345

1

308

Oct Sun 11, 2020 9:25 am

Mike uk View the latest post

No unread posts Attachment(s) Amplifier circuit.

Tube Radio

15

1392

Oct Sat 10, 2020 7:51 pm

OldWireBender View the latest post

No unread posts Attachment(s) Help With Homebrew Transmitter

[ Go to pageGo to page: 1, 2 ]

Fordman

21

1959

Oct Fri 09, 2020 5:40 pm

EnglishBob View the latest post

No unread posts Attachment(s) 110v to 3v conversion

eizner23

17

576

Oct Fri 09, 2020 4:01 pm

eizner23 View the latest post

No unread posts Attachment(s) Peculiar regenerative receiver oscillation.

928GTS

2

167

Oct Thu 08, 2020 2:58 am

shinkuukan View the latest post

No unread posts Attachment(s) Battery eliminator jack

Tiptop

6

289

Oct Thu 08, 2020 12:30 am

Tiptop View the latest post

No unread posts Attachment(s) Power switching question

Tube Radio

16

428

Oct Mon 05, 2020 9:59 pm

Tube Radio View the latest post

No unread posts Attachment(s) transformer winding equipment

eddie clark

10

617

Oct Mon 05, 2020 12:02 am

eddie clark View the latest post

No unread posts Attachment(s) Multi DDS Project for the shack.

Mikeinkcmo

17

1461

Oct Sun 04, 2020 9:07 pm

Mikeinkcmo View the latest post

No unread posts Attachment(s) Can I build a vhf transmitter for my home, using vacuum tube

EnglishBob

15

517

Oct Sun 04, 2020 1:59 am

Tim Tress View the latest post

No unread posts Attachment(s) Franklin FM TX built entirely in LtSpice

Dare4444

1

174

Oct Sat 03, 2020 3:23 pm

Dare4444 View the latest post

No unread posts Attachment(s) Pi-L network help

[ Go to pageGo to page: 1, 2 ]

dimis

23

542

Oct Sat 03, 2020 12:42 am

Jim Mueller View the latest post

No unread posts Attachment(s) Crystal Osc. For AM Broadcaster

Harold Wright

19

1318

Oct Fri 02, 2020 1:43 pm

Dennis Banker View the latest post

No unread posts Attachment(s) One FET Regen

J310

19

9599

Oct Thu 01, 2020 3:13 am

Chas View the latest post

No unread posts Attachment(s) Low end roll off performance on amplifier?

928GTS

12

800

Sep Wed 30, 2020 2:13 pm

Dare4444 View the latest post

No unread posts help converting my antique radio from a tube in bluetooth

lukahils2

4

305

Sep Wed 30, 2020 1:42 pm

wazz View the latest post

No unread posts Converting an old transistor radio to a wireless speaker.

qilpesen9

2

241

Sep Wed 30, 2020 4:54 am

mblack View the latest post

No unread posts Attachment(s) Long wire ( random wire) and ground proximity

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

poulsbobill

75

9017

Sep Tue 29, 2020 4:39 pm

poulsbobill View the latest post

No unread posts Attachment(s) RF power calculation?

Dare4444

12

545

Sep Tue 29, 2020 9:28 am

Dare4444 View the latest post

No unread posts Converting Normal headphones for my S-38 Hallicrafters?

Keeta

10

541

Sep Sun 27, 2020 2:47 am

John Bartley View the latest post

No unread posts Attachment(s) Guidance on building transmitter for a vintage game from 70s

[ Go to pageGo to page: 1, 2 ]

lupin3rd

23

2115

Sep Thu 24, 2020 7:01 pm

lupin3rd View the latest post

No unread posts Attachment(s) Preamp

Tube Radio

7

440

Sep Mon 21, 2020 8:22 pm

Tube Radio View the latest post

No unread posts Attachment(s) How many turns are needed for an antenna coupling coil?

[ Go to pageGo to page: 1, 2 ]

khill

22

1408

Sep Thu 17, 2020 7:53 pm

OldWireBender View the latest post

No unread posts Attachment(s) RCA 245 Build Help

RolandVV-360

0

225

Sep Mon 07, 2020 2:14 pm

RolandVV-360 View the latest post

No unread posts Attachment(s) Even Simpler Barebone AM TX

Dare4444

7

605

Sep Thu 03, 2020 4:11 pm

tym View the latest post

No unread posts setting up a 100' antenna

37oldsguy

13

1107

Sep Tue 01, 2020 2:16 am

homebrew View the latest post

No unread posts Attachment(s) Barebone 74HC4053 AMTX

[ Go to pageGo to page: 1, 2 ]

Dare4444

21

1156

Aug Mon 31, 2020 8:19 pm

Dare4444 View the latest post

No unread posts Attachment(s) Homebrew transistor pocket radio

szoftveres

3

414

Aug Mon 31, 2020 7:25 pm

szoftveres View the latest post

No unread posts Attachment(s) Please explain how this works

Macrohenry

2

502

Aug Sat 29, 2020 6:00 pm

Macrohenry View the latest post

No unread posts Attachment(s) Ferrite Sleeve Loop antennas: Are they for real?

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

pentagrid

58

23632

Aug Sat 29, 2020 5:20 pm

A A Kent View the latest post

No unread posts Attachment(s) Build me a Radio

[ Go to pageGo to page: 1, 2 ]

eddie clark

25

1139

Aug Fri 21, 2020 4:57 am

radiorich View the latest post

No unread posts Attachment(s) Manhattan construction

jimbob

14

1787

Aug Thu 20, 2020 8:54 pm

Rich, W3HWJ View the latest post

No unread posts Attachment(s) [Solved] Help needed with IF stage oscillation/motorboatin

[ Go to pageGo to page: 1, 2 ]

szoftveres

23

1165

Aug Thu 20, 2020 7:15 am

szoftveres View the latest post

No unread posts Attachment(s) 1917 Regenerative Receiver - Build Project

[ Go to pageGo to page: 1, 2 ]

bheggeseth

33

2476

Aug Sun 16, 2020 10:35 pm

infzqi View the latest post

No unread posts Attachment(s) Part 15 AM transmitter

[ Go to pageGo to page: 1, 2 ]

Tube Radio

23

1087

Aug Fri 14, 2020 9:43 am

Tube Radio View the latest post

No unread posts Attachment(s) Assistance requested with a superhet build.

928GTS

6

725

Aug Thu 13, 2020 6:13 am

Mr. Highlander View the latest post

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