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Alan Voorhees

0

9671

Jul Fri 30, 2021 3:38 am

Alan Voorhees View the latest post

Topics
No unread posts Attachment(s) BUILD AN AM TRANSMITTER FOR USE WITH ANTIQUE RADIOS

Dare4444

10

170

Sep Sun 19, 2021 9:21 pm

Dare4444 View the latest post

No unread posts Attachment(s) Vectronics 1290K Revisited with pushpull 2n7000

Dare4444

3

80

Sep Sun 19, 2021 8:39 pm

Dare4444 View the latest post

No unread posts Attachment(s) Spider coil forms

jimbob

12

390

Sep Sun 19, 2021 10:48 am

COM-NAV-ECM View the latest post

No unread posts screen bias for the control grid of a 12sk7 tube?

currentresident75

1

52

Sep Sun 19, 2021 1:04 am

Jim Mueller View the latest post

No unread posts Attachment(s) 2n2219A based 2m ham band amplifier

Dare4444

3

69

Sep Sat 18, 2021 8:54 pm

Dare4444 View the latest post

No unread posts Speaker Box Project

ZenithRadios

7

189

Sep Sat 18, 2021 7:08 pm

Tube Radio View the latest post

No unread posts Attachment(s) Looking for two beta testers for AM Transmitter

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Macrohenry

26

623

Sep Sat 18, 2021 12:15 pm

Dare4444 View the latest post

No unread posts Attachment(s) How to build an AM antenna optimized for a single frequency?

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soloapollo

49

599

Sep Fri 17, 2021 8:11 am

Dare4444 View the latest post

No unread posts Frequency counter

jimbob

7

197

Sep Thu 16, 2021 10:21 pm

BobWeaver View the latest post

This topic is locked, you cannot edit posts or make further replies. Does Anyone Know What Has Happened To theradioboard.com?

LM386

2

186

Sep Wed 15, 2021 2:19 am

LM386 View the latest post

No unread posts Attachment(s) VFO Isolation Buffer Simulation

Dare4444

13

331

Sep Tue 14, 2021 6:44 pm

Dare4444 View the latest post

No unread posts Capacitor mounting brackets

jimbob

2

85

Sep Tue 14, 2021 4:26 pm

Chas View the latest post

No unread posts Attachment(s) Cascoded J310 MW band active antenna

Dare4444

2

88

Sep Tue 14, 2021 1:46 pm

Dare4444 View the latest post

No unread posts Attachment(s) Tecsun 2P3 troubleshooting

ohiotech

5

1408

Sep Mon 13, 2021 6:21 pm

gearhead222 View the latest post

No unread posts Attachment(s) Solid State Transformer Substitute: Update

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JnTX

28

6704

Sep Mon 13, 2021 11:18 am

ACORNVALVE View the latest post

No unread posts Attachment(s) Outputs treatment with a CD4060

Macrohenry

19

445

Sep Sun 12, 2021 4:48 pm

Macrohenry View the latest post

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

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beast775

35

2479

Sep Sun 12, 2021 7:29 am

beast775 View the latest post

This topic is locked, you cannot edit posts or make further replies. Reason for removal of my 0.5mW FM TX?

Dare4444

3

200

Sep Sat 11, 2021 5:59 pm

Dare4444 View the latest post

No unread posts Attachment(s) Help rebiasing my bagpipes to Si!

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Timmy73

23

1017

Sep Wed 01, 2021 7:59 am

ACORNVALVE View the latest post

No unread posts AC Hum Modulation Buster Questions

Macrohenry

2

405

Aug Tue 31, 2021 5:13 am

Audioman View the latest post

No unread posts Attachment(s) AM LOOP Antenna

[ Go to pageGo to page: 1, 2 ]

fifties

34

17416

Aug Mon 30, 2021 12:28 pm

Dalton View the latest post

No unread posts Attachment(s) Heathkit WA-P2 power supply build questions

Govee

14

1130

Aug Sat 28, 2021 12:15 pm

COM-NAV-ECM View the latest post

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

[ Go to pageGo to page: 1, 2 ]

928GTS

21

3603

Aug Thu 26, 2021 9:40 pm

928GTS View the latest post

No unread posts Attachment(s) Choke hum on LM386 Transmitter

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Macrohenry

23

1033

Aug Tue 24, 2021 3:21 am

Macrohenry View the latest post

No unread posts Attachment(s) Two more instruments for Brian Wilson

Macrohenry

5

588

Aug Sat 21, 2021 9:41 pm

Colin Ames View the latest post

No unread posts Attachment(s) New Project: Audio/Visual Part 15 Antenna Tuning Indicator

Macrohenry

3

320

Aug Sat 21, 2021 9:14 pm

Macrohenry View the latest post

No unread posts Attachment(s) Short antenna capacitance

Macrohenry

3

2410

Aug Tue 17, 2021 6:59 pm

Macrohenry View the latest post

No unread posts Attachment(s) Stereo to monophonic conversion circuit to build?

soloapollo

18

828

Aug Tue 17, 2021 12:43 pm

ACORNVALVE View the latest post

No unread posts Attachment(s) Slope detection of broadcast FM?

[ Go to pageGo to page: 1, 2 ]

928GTS

21

2320

Aug Fri 13, 2021 11:47 pm

ACORNVALVE View the latest post

No unread posts 12au7 sw regen.

jimbob

11

1634

Aug Tue 10, 2021 2:28 pm

jimbob View the latest post

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

[ Go to pageGo to page: 1 ... 4, 5, 6 ]

whfh99

117

7935

Aug Tue 10, 2021 7:05 am

vu2nan View the latest post

No unread posts Attachment(s) Signal tracer build

whfh99

11

734

Aug Sun 08, 2021 4:42 pm

whfh99 View the latest post

No unread posts Attachment(s) High Voltage Regulator Design Issue

[ Go to pageGo to page: 1, 2, 3, 4, 5 ]

Jthorusen

82

3398

Aug Sat 07, 2021 11:36 pm

Jthorusen View the latest post

No unread posts Attachment(s) 3mW FM Transmitter based on Franklin Oscillator

Dare4444

0

372

Aug Sat 07, 2021 5:53 pm

Dare4444 View the latest post

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

Kramden66

8

917

Aug Sat 07, 2021 5:14 pm

Tube Radio View the latest post

No unread posts Attachment(s) Solid state 1920's speaker amplifier revisited

Tube Radio

17

3000

Aug Sat 07, 2021 4:56 pm

Tube Radio View the latest post

No unread posts Attachment(s) Bluetooth, AM Transmitter

criageek

7

814

Aug Sat 07, 2021 2:10 am

criageek View the latest post

No unread posts Attachment(s) simple formulas for calculating tank circuit values?????????

shockedagain75

14

1340

Aug Fri 06, 2021 3:51 pm

KK6GM View the latest post

No unread posts Attachment(s) Antennae question

keith1898

15

823

Aug Tue 03, 2021 4:36 pm

poulsbobill View the latest post

No unread posts Attachment(s) Low Noise DC receiver idea

Dare4444

0

358

Aug Sun 01, 2021 10:27 pm

Dare4444 View the latest post

No unread posts Attachment(s) SDR Transceiver Idea with 2n7000

Dare4444

2

441

Jul Fri 30, 2021 7:36 pm

Dare4444 View the latest post

No unread posts Attachment(s) SSB transceiver idea

[ Go to pageGo to page: 1, 2 ]

Dare4444

20

1242

Jul Fri 30, 2021 8:14 am

Dare4444 View the latest post

No unread posts Attachment(s) Polyakov mixer working for DSB generation?

sv3ora

6

518

Jul Fri 30, 2021 5:49 am

KX5JSC View the latest post

No unread posts How To Properly Install a On Off Slide Switche ?

Frank512

9

1100

Jul Thu 29, 2021 4:03 pm

err ducks View the latest post

No unread posts Attachment(s) AM with IN4148 double balanced mixer

Dare4444

2

433

Jul Mon 26, 2021 9:19 pm

Dare4444 View the latest post

No unread posts Attachment(s) 38 as regenerative detector

allthumbs

13

1535

Jul Mon 26, 2021 7:56 pm

err ducks View the latest post

No unread posts Attachment(s) Another regen 1D8 tube.

ballroad

3

520

Jul Sat 24, 2021 12:16 am

mrx View the latest post

No unread posts Schematic for regen utilizing an 815 tube?

KA8GEF

3

449

Jul Fri 23, 2021 11:41 pm

N0BST View the latest post

No unread posts Attachment(s) Tube IF transformers

dr pepper

15

1970

Jul Fri 23, 2021 3:21 am

ACORNVALVE View the latest post

No unread posts Variable Frequency Synthesized Source for AM Transmitters

NW2K

1

471

Jul Thu 22, 2021 9:35 pm

Colin Ames View the latest post

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