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G1KQH > TECH 21.11.09 13:01l 24 Lines 637 Bytes #999 (0) @ WW
BID : 6B0067G1KQH
Read: GUEST DG9NBR DL9YCC
Subj: Re: PSK31 interface isolation
Path: DB0FHN<DB0FOR<DB0SIF<DB0MRW<DK0WUE<7M3TJZ<ZL2BAU<GB7PZT<GB7MAX<GB7COV<
GB7COV
Sent: 091120/1247Z @:GB7COV.#29.GBR.EU #:4837 [Coventry] $:6B0067G1KQH
From: G1KQH@GB7COV.#29.GBR.EU
To : TECH@WW
G8MNY wrote:-
> So I have made an isolated barrier TO PROTECT THE LAPTOP's SOUND CARD FROM
> R.F.I. & getting ZAPPED & also the Rig from the Laptop's RF QRM. As well as
> doing that it also STOPS any HUM LOOPS & DAMAGING DC PATHS the can also burn
> out RIG's MIC/LS & the PC interfaces!
As well as using a similar circuit, I also use a Plug in USB Sound Card
which you can get NEW on ebay for a couple of quid each. Which again helps
to save the PCs internal guts from blowing!
73 - Steve, G1KQH @ GB7COV
Message timed: 12:43 on 2009-Nov-20
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