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| Topics |
Author |
Replies |
Views |
Last post |
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 Audio half of regen rcvr - advice?
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allthumbs |
10 |
243 |
May Sat 21, 2022 12:53 am
allthumbs
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Ordering PCBs: Part 15 PLL Synthesized Transmitter Board
[  Go to page: 1, 2 ]
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Macrohenry |
30 |
729 |
May Fri 20, 2022 3:15 pm
Macrohenry
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Does Anyone Have Information About theradioboard.com?
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LM386 |
17 |
1636 |
May Fri 20, 2022 3:18 am
BobWeaver
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Reflex Receiver with MOSFETs
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Dare4444 |
0 |
93 |
May Thu 19, 2022 4:47 am
Dare4444
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15 watt solid state amp kit question
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Tube Radio |
14 |
409 |
May Wed 18, 2022 9:01 pm
Tube Radio
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Guitar amp schematic
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Scota4570 |
9 |
647 |
May Wed 18, 2022 6:25 pm
johnnyreece
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Extracting 5V DC from a Bias-T to power a LNA
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avicci |
1 |
94 |
May Wed 18, 2022 12:49 pm
richfair
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Frequency counter
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jimbob |
5 |
229 |
May Tue 17, 2022 2:14 pm
ACORNVALVE
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Another PLL FM Transmitter (3 Transistor RF Stage + PLL)
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Dare4444 |
0 |
78 |
May Sun 15, 2022 3:50 pm
Dare4444
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455KHz IF oscillator with only three parts
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Dare4444 |
4 |
215 |
May Sat 14, 2022 11:27 pm
Macrohenry
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simple space charge rf preamplifier does not work
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sv3ora |
17 |
408 |
May Fri 13, 2022 11:38 pm
ACORNVALVE
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Adding antenna to a ferrite rod ??
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6tom |
8 |
512 |
May Fri 13, 2022 6:33 pm
Tube Radio
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what is this part on this Two Transistor Reflex Radio
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6tom |
6 |
478 |
May Mon 09, 2022 10:56 pm
6tom
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PLL Hum Cancellation Circuit
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Dare4444 |
4 |
207 |
May Sun 08, 2022 7:53 am
OldWireBender
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Home-made analog FET milli-Volt meter project...
[ Go to page: 1, 2 ]
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xrhonda91 |
30 |
1841 |
May Fri 06, 2022 6:24 pm
xrhonda91
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Arduino as PLL Comparator replacing CD4046
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Dare4444 |
3 |
193 |
May Fri 06, 2022 3:33 pm
richfair
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Possible audio build
[ Go to page: 1, 2 ]
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Tube Radio |
23 |
986 |
May Fri 06, 2022 3:43 am
Tube Radio
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Antique Car Stereo Bluetooth Audio Retrofit with ESP32
|
jcrubin |
2 |
276 |
May Thu 05, 2022 10:31 pm
jcrubin
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Commercially Designed Part 15 AM Transmitter
[ Go to page: 1, 2 ]
|
Jthorusen |
39 |
9199 |
May Thu 05, 2022 2:37 pm
Colin Ames
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Knight Kit Remake Oscillator coil?
|
sberry1 |
17 |
704 |
May Wed 04, 2022 7:30 pm
Usually Lurking
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Why does my crystal radio design work?
|
6tom |
12 |
601 |
May Tue 03, 2022 11:06 pm
6tom
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Looking for curved equipment enclosures
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neazoi |
3 |
228 |
May Tue 03, 2022 8:40 pm
sv3ora
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Hamfest Radio ID
|
infomet |
4 |
378 |
May Mon 02, 2022 5:06 pm
infomet
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Old school direct etch printed circuit boards
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Sparks62 |
2 |
354 |
May Mon 02, 2022 4:17 am
hwhall
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Center tap on secondary RF coils, what purpose are they?
|
crabeapple |
7 |
384 |
May Sun 01, 2022 9:47 pm
amyotte
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Daves dual 6c4 sw
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jimbob |
2 |
294 |
Apr Sat 30, 2022 9:42 pm
mblack
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possible sources for homebrew 6 meter transceiver
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forumuser |
16 |
731 |
Apr Thu 28, 2022 5:38 pm
forumuser
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Building a 1Q5GT regen Radio
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Michiganamps |
11 |
732 |
Apr Thu 28, 2022 1:19 am
shinkuukan
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Need help identifying
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robroot61 |
11 |
600 |
Apr Sun 24, 2022 11:22 pm
robroot61
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Macrohenry's Full Wave Audio Compressor
[ Go to page: 1, 2, 3 ]
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Macrohenry |
50 |
1802 |
Apr Sun 24, 2022 8:33 pm
Macrohenry
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wire for coil forms.
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jake wells |
8 |
505 |
Apr Fri 22, 2022 11:48 pm
ACORNVALVE
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Home-made freq counter & RF-generator unit for AM BCB radios
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xrhonda91 |
17 |
2381 |
Apr Thu 21, 2022 6:11 am
xrhonda91
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BM62 Bluetooth module "project"...
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xrhonda91 |
5 |
506 |
Apr Thu 21, 2022 5:51 am
xrhonda91
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Antique Crate/box of 20's radio parts. What can we build?
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34sparton |
8 |
739 |
Apr Wed 20, 2022 12:25 pm
34sparton
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SSB Tri-Bander Question
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Dare4444 |
2 |
225 |
Apr Tue 19, 2022 3:46 am
Dare4444
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Experimental 1-30 MHz AM Signal Generator
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Dare4444 |
0 |
173 |
Apr Mon 18, 2022 3:24 pm
Dare4444
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What is this a HB one tube radio.
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tomb123 |
11 |
725 |
Apr Mon 18, 2022 5:40 am
tomb123
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Functional difference between two different cathode circuits
[ Go to page: 1, 2 ]
|
soloapollo |
20 |
1345 |
Apr Mon 18, 2022 1:32 am
Marc Hildebrant
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Another way to build a stable FM TX
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Dare4444 |
1 |
186 |
Apr Sun 17, 2022 12:28 pm
Dare4444
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End Fed Wire Antenna + Coaxial Transformer!
|
Dare4444 |
5 |
314 |
Apr Sat 16, 2022 9:23 pm
Dare4444
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9V Battery Operated MW AM Transmitter
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Dare4444 |
0 |
211 |
Apr Fri 15, 2022 5:20 pm
Dare4444
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Can anyone possibly help me to identify this homebrew rig?
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Big Nick |
11 |
3791 |
Apr Thu 14, 2022 5:58 am
mblack
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1 - 30 MHz Universal AM Modulator
[ Go to page: 1, 2 ]
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Dare4444 |
35 |
1303 |
Apr Tue 12, 2022 9:18 pm
Dare4444
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Controlling Op Amp Output Amplitude
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Macrohenry |
3 |
271 |
Apr Mon 11, 2022 3:09 pm
richfair
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2N2219A Shortwave AM Transmitter
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Dare4444 |
4 |
412 |
Apr Sun 10, 2022 3:37 am
Dare4444
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Simple, compact home-made audio oscillator for testing...
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xrhonda91 |
11 |
569 |
Apr Sat 09, 2022 11:06 am
ACORNVALVE
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Arduino Audio Compressor
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Dare4444 |
4 |
298 |
Apr Fri 08, 2022 3:58 am
richfair
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Regulator IC vs. Zener and hum
[ Go to page: 1, 2 ]
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Macrohenry |
23 |
987 |
Apr Fri 08, 2022 3:13 am
richfair
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2m 1W 2N3904 Amplifier
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Dare4444 |
11 |
772 |
Apr Thu 07, 2022 12:02 pm
Tube Radio
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Loop
|
krystallo |
6 |
719 |
Apr Thu 07, 2022 2:43 am
krystallo
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