[ARC5] Filter choke question

[Geoff]

It was used in the LV circuit with a 20uF input and a 40uF output cap and a 
5V4 rectifier. With a heaftier tube such as a 5U4 you can go to 40-47uF on 
the input IF you need more DC and initial filtering. A 47 on the output 
should be sufficient.

Carl

----- Original Message ----- 
From: "John Saxon" <johnbsaxon at yahoo.com>
To: <Arc5 at mailman.qth.net>
Sent: Tuesday, October 15, 2013 10:37 AM
Subject: [ARC5] Filter choke question


>A good day to all:
>
> I am putting together a HV B+ supply for a T-22 and MD-7.  On eBay there 
> are two described as:
>
> Vintage Heathkit Apache TX-1 Low B+ Filter Choke
>
> It says 7 HY @ 150ma.  Would this be adequate?  (seems a bit short to me)
>
> If not, if anyone has a suitable filter choke they can part with, please 
> let me know offline.
>
> Cheers & 73,
> John
> K5ENQ
>
>
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