Forums :: Resources :: Features :: Photo Gallery :: Vintage Radio Shows :: Archives
Support This Site: Contributors :: Advertise


It is currently Oct Mon 21, 2019 3:54 am


All times are UTC [ DST ]





Post New Topic  [ 3545 topics ]  Go to page Previous  1, 2, 3, 4, 5, 6 ... 71  Next
 Topics   Author   Replies   Views   Last post 
No unread posts Attachment(s) Single-ended push-pull Better design found?

[ Go to pageGo to page: 1, 2 ]

westcoastjohn

23

1048

May Mon 06, 2019 10:55 pm

radiotechnician View the latest post

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

Rich berg

15

711

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

710

May Sun 05, 2019 6:32 am

Usually Lurking View the latest post

No unread posts Reproduction KNIGHT AM BROADCASTER

w0vt

2

611

May Sat 04, 2019 5:28 pm

Mike Toon View the latest post

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

xrhonda91

16

1498

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

2463

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

1293

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

2408

Apr Sun 28, 2019 6:03 pm

pauls.ironhorse View the latest post

No unread posts Calculating dropping resisitor for zener diodes

[ Go to pageGo to page: 1, 2 ]

Yeti575

20

732

Apr Thu 25, 2019 6:08 pm

upsss View the latest post

No unread posts How do bidirectional amps work?

Macrohenry

6

424

Apr Thu 25, 2019 12:35 am

Macrohenry View the latest post

No unread posts Attachment(s) AM PLL Transmitter kit

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

Ed in SoDak

51

5068

Apr Tue 23, 2019 5:22 pm

Tube Radio View the latest post

No unread posts Attachment(s) Homebrew 1920s-'30s record player...I'm clueless. Ideas?

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

VanEpsFan1914

52

2731

Apr Mon 22, 2019 3:38 am

Tube Radio View the latest post

No unread posts Attachment(s) Demod probe results

allthumbs

8

538

Apr Fri 19, 2019 3:35 pm

Chas View the latest post

No unread posts Attachment(s) Tubeless FM Converter

Mike C.

4

359

Apr Thu 18, 2019 5:56 pm

pauls.ironhorse View the latest post

No unread posts Attachment(s) Metered soft start with digital meter

Sal Brisindi

4

360

Apr Wed 17, 2019 5:55 pm

Mike Toon View the latest post

No unread posts Attachment(s) AM flat loop antenna

[ Go to pageGo to page: 1, 2 ]

neondave

28

2267

Apr Fri 12, 2019 6:55 am

db gain View the latest post

No unread posts Attachment(s) CRT circuit question

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

Tube Radio

47

4516

Apr Fri 05, 2019 4:18 am

Tube Radio View the latest post

No unread posts Attachment(s) Questions about Laplace transforms in LTSpice.

[ Go to pageGo to page: 1, 2 ]

benman94

24

1656

Apr Mon 01, 2019 9:31 pm

benman94 View the latest post

No unread posts Attachment(s) AA5's on 24v wall transformers

jimsp

6

667

Apr Mon 01, 2019 7:47 pm

35Z5 View the latest post

No unread posts Layout and Routing

rmileham

5

344

Apr Mon 01, 2019 7:44 pm

flyboy71 View the latest post

No unread posts Attachment(s) Poll: Preparing for a Circlotron amplifier build - 6V6 vs 6BG6G?

benman94

14

1156

Apr Mon 01, 2019 5:21 pm

benman94 View the latest post

No unread posts Attachment(s) DIY Bluetooth to AM With Off The Shelf Parts

lewiss

9

958

Apr Mon 01, 2019 2:32 am

Tube Radio View the latest post

No unread posts 1CP1 scope tube

Tube Radio

10

4557

Apr Mon 01, 2019 2:15 am

Tube Radio View the latest post

No unread posts Attachment(s) To ground or not to ground

breadbox

7

652

Mar Sun 31, 2019 5:05 am

westcoastjohn View the latest post

No unread posts Attachment(s) Tim's AM tube transmitter build

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

TV MAN

79

10059

Mar Sat 30, 2019 3:57 pm

infzqi View the latest post

No unread posts Attachment(s) AM transmitter question

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

Tube Radio

60

2986

Mar Sat 30, 2019 3:49 am

Tube Radio View the latest post

No unread posts Attachment(s) Stacking Transformers

Michael Janis

1

408

Mar Sat 30, 2019 12:28 am

westcoastjohn 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

51

17581

Mar Wed 27, 2019 4:35 am

BobWeaver View the latest post

No unread posts Attachment(s) Tube circuits on copper clad board

allthumbs

10

688

Mar Mon 25, 2019 3:58 am

Elvirafan View the latest post

No unread posts Attachment(s) 12AV6-12CS6 Transmitter(Revised Schematic)

[ Go to pageGo to page: 1 ... 33, 34, 35 ]

35Z5

687

151594

Mar Sun 24, 2019 3:39 pm

bill hamre View the latest post

Moved topic Moved: Inexpensive spectrum analyzer GQ EMF-380 V2

KA

0

333

Mar Sun 24, 2019 5:13 am

KA View the latest post

No unread posts Antique Earphones

onlyrick

9

1008

Mar Fri 22, 2019 4:17 am

VanEpsFan1914 View the latest post

No unread posts Attachment(s) Signal tracer question.

Wrenchtwister

4

688

Mar Tue 19, 2019 5:28 am

LM386 View the latest post

No unread posts My four transistor FMTX

Dare4444

19

1778

Mar Sun 17, 2019 6:49 pm

Dare4444 View the latest post

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

[ Go to pageGo to page: 1 ... 47, 48, 49 ]

35Z5

973

191049

Mar Sun 17, 2019 6:32 am

radiorich View the latest post

No unread posts Attachment(s) Homebrew pin to phone plug adapter

crgrbrts

1

411

Mar Fri 15, 2019 3:05 pm

processhead View the latest post

No unread posts Attachment(s) Infinite impedance detector radio project(s)...

[ Go to pageGo to page: 1, 2 ]

xrhonda91

28

17123

Mar Mon 11, 2019 4:45 pm

xrhonda91 View the latest post

No unread posts Attachment(s) Tube Biasing Question

ErikD

9

910

Mar Sun 10, 2019 5:17 pm

Usually Lurking View the latest post

No unread posts Attachment(s) Din Cable for Telefunken Jubilate Delux

C1wlou

3

467

Mar Sat 09, 2019 5:24 am

majoco View the latest post

No unread posts Attachment(s) 807 Williamson amp

[ Go to pageGo to page: 1 ... 54, 55, 56 ]

john8750

1105

58314

Mar Fri 08, 2019 12:16 am

john8750 View the latest post

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

Tube Radio

8

726

Mar Thu 07, 2019 12:41 am

shinkuukan View the latest post

No unread posts Attachment(s) Stereo unbalanced to mono balanced adapter

Tube Radio

13

821

Mar Sun 03, 2019 6:28 am

Tube Radio View the latest post

No unread posts Attachment(s) My two transistor FMTX

Dare4444

17

3669

Mar Sat 02, 2019 9:09 pm

Dare4444 View the latest post

No unread posts Attachment(s) Scope clock

[ Go to pageGo to page: 1, 2 ]

Tube Radio

26

3434

Feb Tue 26, 2019 4:39 pm

Tube Radio View the latest post

No unread posts Attachment(s) AM transmitter reboot

[ Go to pageGo to page: 1, 2 ]

boogieman

21

2103

Feb Mon 25, 2019 8:54 pm

boogieman View the latest post

No unread posts Attachment(s) RCA Jack template

Captainquad

5

593

Feb Mon 25, 2019 12:59 am

Jim Mueller View the latest post

No unread posts Darlington Amplifier Project

transoceanic 8523

6

597

Feb Sun 24, 2019 11:46 pm

Findm-Keepm View the latest post

No unread posts Attachment(s) High Fidelity AM Tuner Project - mulling over possibilities

[ Go to pageGo to page: 1, 2 ]

benman94

27

1949

Feb Sun 24, 2019 9:48 pm

dtvmcdonald View the latest post

No unread posts Attachment(s) richfair's audio processor for part 15 transmitter

richfair

6

751

Feb Sun 24, 2019 4:50 am

richfair View the latest post

No unread posts Attachment(s) 1966 QST hb rx question

shinkuukan

7

1095

Feb Wed 20, 2019 2:18 am

wazz View the latest post

Post New Topic  [ 3545 topics ]  Go to page Previous  1, 2, 3, 4, 5, 6 ... 71  Next

All times are UTC [ DST ]


Who is online

Users browsing this forum: No registered users and 4 guests


Search for:
Jump to:  




























Privacy Policy :: Powered by phpBB