[AMPS] RF Chokes

[measures]

>
>
>-----Original Message-----
>From: measures <measures@vcnet.com>
>To: Steve Thompson <amps@txrx.demon.co.uk>; AMPS
><amps@contesting.com>
>Date: 23 October 1999 13:13
>Subject: Re: [AMPS] RF Chokes
>
>
>>
>>I'm looking for suggestions of winding info., or parts I
>can
>>buy for a choke to use across a 50 ohm line at 3kW,
>>1.5-30MHz. It needs to handle 1A dc at the same time.
>
>€  Piece of cake.
>
>snip
>
>Thanks, Rich. 

ur welcome

>Making 30 odd that way sounds a bit like hard
>work :-)

€  I use a hand-drill mounted in a vise to rotate the coil form during 
winding.  It goes pretty fast once I get set up.  . One turn of the crank 
gives around 6-turns.   

>Does your 60uH limit avoid any resonances - this has to work
>broadband, not just ham band.

€  60uh single layer solenoid wound typically has no resonances in the 
HF.spectrum.  
>
>Tnx, Steve
>
>
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-  Rich..., 805.386.3734, www.vcnet.com/measures.  


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