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Old 6th Sep 2009, 5:24 pm   #21
astral highway
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Default Re: RF Chokes (making of...)

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Originally Posted by YT2095UK View Post

any advice that would point me in the right direction would be great
If you can locate a TV repair shop (and they do still exist) you may be able to get a stack of pulled circuit boards from them. All of these contain a high number of RF chokes including those in the target inductance range you're looking for. You can also find the raw material here for rewinding chokes in the mH range.
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Old 7th Sep 2009, 6:03 pm   #22
YT2095UK
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Default Re: RF Chokes (making of...)

problem solved, I just bought a bakelite 5 cell RF choke, and from the picture it looks gorgeous!
I expect it will do the job most admirably, and well worth the sick squid I paid
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Old 7th Sep 2009, 11:21 pm   #23
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Default Re: RF Chokes (making of...)

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Originally Posted by YT2095UK View Post
well the idea is to run the headphones as part of the circuit through this choke to present an anode voltage to work against
We would need to see the circuit. If this is after the detector then the choke needs to be audio frequency and ideally >1H.
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Old 10th Sep 2009, 9:48 am   #24
YT2095UK
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Default Re: RF Chokes (making of...)

My choke arrived today in absolutely Perfect condition, not a scratch.
here some pictures of it (not mine), http://www.valve-radio.co.uk/Radio_c...I_HF_Choke.htm
so my problem is solved now
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Old 10th Sep 2009, 12:37 pm   #25
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Default Re: RF Chokes (making of...)

You got good value. Congratulations!
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