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No unread posts "Hum" noise in transmitter When listening to it on AM radio

sv3ora

0

31

May Thu 06, 2021 6:41 pm

sv3ora View the latest post

No unread posts Attachment(s) Antique Wireless Assoc. AM tx board

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Rich, W3HWJ

80

5111

May Thu 06, 2021 5:18 pm

tgr131 View the latest post

No unread posts Toroid question

jimbob

5

251

May Thu 06, 2021 1:45 pm

ACORNVALVE View the latest post

No unread posts Attachment(s) single tube 6gy6 bcb transmitter

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anchorman

25

428

May Wed 05, 2021 6:44 pm

anchorman View the latest post

No unread posts Attachment(s) This $1 piezo disc ROCKS! as a horn driver.

Robert Lozier

19

651

May Wed 05, 2021 3:58 pm

richfair View the latest post

No unread posts Attachment(s) Wouldn't it be nice

jimbob

9

849

May Wed 05, 2021 5:04 am

JGTubeamps View the latest post

No unread posts Attachment(s) First time crystal radio build

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whfh99

112

2830

May Mon 03, 2021 9:10 pm

whfh99 View the latest post

No unread posts Battery eliminator for A, B, C batteries.

anchorman

3

174

May Sun 02, 2021 11:24 pm

Chas View the latest post

No unread posts Help designing 6sj7/6sn7 input stage for 6v6 PP amplifier

Michiganamps

4

305

May Sat 01, 2021 1:50 am

Mr. Detrola View the latest post

No unread posts 12au7 sw regen.

jimbob

4

368

Apr Fri 30, 2021 5:41 pm

allthumbs View the latest post

No unread posts Attachment(s) PA output transformer for HiFi application?

classicelectronicsguy

10

290

Apr Fri 30, 2021 4:21 am

BikenSwim View the latest post

No unread posts Attachment(s) Another crystal radio find

Mike Toon

7

249

Apr Thu 29, 2021 9:22 pm

Jim Mueller View the latest post

No unread posts Attachment(s) Tube Regen

PNeidlinger

10

465

Apr Thu 29, 2021 9:51 am

ACORNVALVE View the latest post

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

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szoftveres

27

2617

Apr Wed 28, 2021 10:34 pm

ACORNVALVE View the latest post

No unread posts 12AH8 as regen amplifier working at low voltage

dr pepper

6

251

Apr Wed 28, 2021 2:06 pm

dr pepper View the latest post

No unread posts Attachment(s) 6GY6 transmitter in a computer power supply box

N0BST

14

1762

Apr Tue 27, 2021 12:30 am

anchorman View the latest post

No unread posts Part15 sheet beam transmitter

Audioman

7

588

Apr Sat 24, 2021 4:23 pm

mblack View the latest post

No unread posts Attachment(s) Using turrent boards in HIFI amp

Michiganamps

11

391

Apr Fri 23, 2021 12:52 pm

John Bartley View the latest post

No unread posts Not necessarily antique, but close-scanning

kimsleep100

2

265

Apr Fri 23, 2021 4:19 am

Macrohenry View the latest post

No unread posts Attachment(s) Pine Board to Chassis Conversion

Loose_coupler

4

578

Apr Fri 23, 2021 2:03 am

Scott Madison View the latest post

No unread posts Attachment(s) Homebuild Reinartz tuner amp.

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beast775

24

777

Apr Thu 22, 2021 8:06 am

beast775 View the latest post

No unread posts Dual 6c4 triode sw

jimbob

0

183

Apr Sun 18, 2021 6:14 pm

jimbob View the latest post

No unread posts Attachment(s) Looking for Project: Have PP 5k Pri Output Xfrmr

Greenhorn

7

430

Apr Fri 16, 2021 6:34 pm

BikenSwim View the latest post

No unread posts A New $5 circuit for an AM Modulator and Generator

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louhaskell

21

1225

Apr Mon 12, 2021 2:02 am

richfair View the latest post

No unread posts Attachment(s) Construction 3 tubes Audion 1923, all concert, patent Audion

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yan_sk

27

1912

Apr Sat 10, 2021 9:15 am

yan_sk View the latest post

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

928GTS

9

1733

Apr Thu 08, 2021 12:27 am

shinkuukan View the latest post

No unread posts Attachment(s) Richfair's am transmitter build

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richfair

39

2604

Apr Wed 07, 2021 8:19 pm

Dare4444 View the latest post

Moved topic Moved: 42IF transformers source

Rich, W3HWJ

4

441

Apr Thu 08, 2021 5:09 pm

Rich, W3HWJ View the latest post

No unread posts TR SWITCH BUILD

HAMmer

2

377

Apr Fri 02, 2021 1:06 pm

HAMmer View the latest post

No unread posts Slope detection of broadcast FM?

928GTS

15

968

Apr Thu 01, 2021 5:13 pm

mblack View the latest post

No unread posts Attachment(s) Historical Radio Society AM TX

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ACORNVALVE

24

1745

Mar Tue 30, 2021 8:39 pm

bb.odin View the latest post

No unread posts Attachment(s) 365 pf alternative - can you translate this listing?

Robert Lozier

1

361

Mar Tue 30, 2021 12:01 am

egg View the latest post

No unread posts Attachment(s) Most sensitive(power efficient) small loudspeaker in 1930s

Robert Lozier

15

1034

Mar Sun 28, 2021 2:57 am

Robert Lozier View the latest post

No unread posts Attachment(s) Crystal based AM Transmitter with 2n7000

Dare4444

2

508

Mar Sat 27, 2021 11:29 am

Dare4444 View the latest post

No unread posts Attachment(s) J310 mixer and SSB

Dare4444

2

420

Mar Fri 26, 2021 3:55 am

Dare4444 View the latest post

No unread posts Attachment(s) 3-channel Am Transmitter 1mhz 3mhz 5mhz $16

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Mike Toon

22

4884

Mar Thu 25, 2021 11:48 am

Tube Radio View the latest post

No unread posts Attachment(s) Simple DSB transceiver.

Dare4444

10

623

Mar Tue 23, 2021 7:12 pm

Dare4444 View the latest post

No unread posts Attachment(s) AM transmitter prototype

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Erich Loepke

32

9915

Mar Tue 23, 2021 4:54 pm

ai6vx View the latest post

No unread posts Attachment(s) CD4007 single chip 3-21 MHz DC RX

Dare4444

13

489

Mar Tue 23, 2021 6:38 am

Dare4444 View the latest post

No unread posts Attachment(s) How to simulate basic radio circuits

Radiator

13

666

Mar Sun 21, 2021 5:48 pm

anchorman View the latest post

No unread posts Attachment(s) Tuned loop Am antenna

drworry

17

1252

Mar Thu 18, 2021 4:53 am

tomb123 View the latest post

No unread posts Attachment(s) rf chokes

jimbob

18

1188

Mar Thu 18, 2021 4:47 am

Dare4444 View the latest post

No unread posts Attachment(s) 3RP1 Based TV Set

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IlikeTech

108

3500

Mar Thu 18, 2021 12:09 am

ACORNVALVE View the latest post

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

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35Z5

1035

287346

Mar Sun 14, 2021 11:22 pm

hwhall View the latest post

No unread posts Attachment(s) Help needed CD4053 specs

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Dare4444

81

3997

Mar Fri 12, 2021 11:20 pm

Dare4444 View the latest post

No unread posts Attachment(s) first amp to build 6v6 with 6sn7

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j8000

40

5092

Mar Fri 12, 2021 9:36 pm

j8000 View the latest post

No unread posts Attachment(s) Design Help for 304TL Tube Tesla Coil

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Loose_coupler

24

1422

Mar Thu 11, 2021 3:08 am

Duane B View the latest post

No unread posts Talking House 5.0 audio overload and hum/buzz

Kramden66

3

390

Mar Wed 10, 2021 11:35 pm

Kramden66 View the latest post

No unread posts Attachment(s) Homebrew mono audio amp project - Push Pull 6V6 - 12AU7

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black85vette

72

3037

Mar Tue 09, 2021 4:50 pm

John Bartley View the latest post

This topic is locked, you cannot edit posts or make further replies. Attachment(s) richfair's am transmitter

richfair

12

3851

Mar Mon 08, 2021 1:26 am

Peter Bertini View the latest post

Post New Topic  [ 3924 topics ]  Go to page 1, 2, 3, 4, 5 ... 79  Next

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