Тёмный

Tuned Radio Frequency Receiver 

Lee Snook
Подписаться 983
Просмотров 26 тыс.
50% 1

For my nerdy friends only. It's Alive!
AM diode detector receiver coving 4.5 to 17 Mhz. Two high Q varactor tuned LC resonators (with tracking offset pots). 10dB bandwidth about 200 kHz (Loaded Q about 50). Variable linear coupling to the antenna and rotatable coupling between the two LC resonators. Precision 10 turn potentiometer.
Fun stuff but a lot of work.

Опубликовано:

 

7 мар 2022

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Комментарии : 32   
@Rene_Voortwist
@Rene_Voortwist 5 месяцев назад
Love this, especially the variometers. I can see the love with which this was made. Wonderful!
@MIKROWAVE1
@MIKROWAVE1 4 месяца назад
Feedback control for regeneration over a wide bandwidth is tough to accomplish without a mutual inductance coupling control. This is why most commercial receivers of the 20's utilized variocoupler control (not variometer - although variometer was used in TPTG regens such as the Adams Morgan Paragon). Differential Throttle comes next, and finally simple throttle capacitor in smoothness.
@recsetv
@recsetv 3 месяца назад
It’s real mikrowave lol
@hobbyrob313
@hobbyrob313 2 года назад
Hi Lee, what a nice receiver! I also heard the pastor again, he is with us in the pirate band freqwenties around the 6300 mode AM I also saw that you live in such a beautiful area, beautiful there! Healthy and Friendly Greetings from the Netherlands! Rob
@jerryuhte1284
@jerryuhte1284 2 года назад
Lee, this is just way too neat , wow, it sounds great , amazing work there om ! 73, K9UT
@jerryuhte1284
@jerryuhte1284 2 года назад
Great work OM, 73, K9UT Amazing audio !
@user-zn6bn9cu3k
@user-zn6bn9cu3k 4 месяца назад
Yup😊
@ozarktreasures8044
@ozarktreasures8044 2 года назад
I just found your channel and subbed after two videos. Awesome receivers! I'm always looking for my next build and you have some great stuff. How about schematics and build details? Great work!
@frequencywatchers
@frequencywatchers Год назад
What An Amazing Radio, WOW !
@gabrymir-radio
@gabrymir-radio Год назад
Very nice !
@radiolongwire
@radiolongwire Год назад
Very nice
@DieSonneSchicktKeineRechnug
@DieSonneSchicktKeineRechnug Месяц назад
Nice!
@MrSuperstenli
@MrSuperstenli Год назад
BRAVISIMO!
@dz-abouttechnique1849
@dz-abouttechnique1849 2 года назад
Excellent! :))
@RadioMaker360
@RadioMaker360 5 месяцев назад
I like
@eletronicaprojetos
@eletronicaprojetos 2 года назад
Que montagem linda, parabéns 👏👏👏💯
@UpinkProduction
@UpinkProduction Год назад
I love it good 👍
@Lechoslowianin
@Lechoslowianin 11 месяцев назад
dobra robota
@wolframtichy1777
@wolframtichy1777 Год назад
WoW!!
@weirdsciencetv4999
@weirdsciencetv4999 Год назад
Can you describe the controls? This little radio you made looks and sounds gorgeous!
@Radioksv
@Radioksv Год назад
Это гениально! R6LND 73!
@LiSa-dt4jn
@LiSa-dt4jn Год назад
Hello Mr. Lee! A very interesting scheme. Tell me where and how to get it before repeating? With respect, Andrew.
@billflake8015
@billflake8015 Год назад
It's a xtal radio ? Varactor tuned? Very good job 👍
@jerryuhte1284
@jerryuhte1284 2 года назад
Hhmmm, i have a 10t urn pot somewhere ! (hi) !
@georgearaposta8616
@georgearaposta8616 Год назад
schematic diagram?
@andrewferg8737
@andrewferg8737 Год назад
Curious where you buy the little solder pads from?
@swradios
@swradios Год назад
qrpme.com/pages/HBREW.php
@kreser100
@kreser100 Год назад
Вот это другое дело.Как я наму,алс,
@colonelgigi
@colonelgigi Год назад
To much..! 👍
@lovelycollection100
@lovelycollection100 Год назад
I dont lisent the noise
@vincentmartin2528
@vincentmartin2528 4 дня назад
Well, it looks pretty but... You didn't narrate the video so I don't know anything about it. ALWAYS narrate your videos.
@joeg7849
@joeg7849 6 месяцев назад
Nice!
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