[Amps] Tips For Winding a Plate Choke

[Carl]

Well, 4KW PEP on AM might be pushing it!


----- Original Message ----- 
From: "Rob Atkinson" <ranchorobbo at gmail.com>
To: <amps at contesting.com>
Sent: Thursday, October 10, 2019 7:09 AM
Subject: Re: [Amps] Tips For Winding a Plate Choke


> Where and how a plate choke is mounted mostly has to do with making
> the best use of chassis real estate and heat dissipation.  Someone
> mentioned that the famous Ameritron choke, popular because it can be
> made to work on all ham bands 160 to 10 m., doesn't dissipate any
> heat.   If it is anything like the RF Parts RFC 3, I can testify that
> it goes through a significant temperature rise on 160 m., when used in
> a 1 KW continuous duty transmitter.  However, the temperature rise is
> within specifications.   I advise mounting a plate choke the way you
> would mount a large w.w. dropping resistor, with consideration to heat
> dissipation.   I usually position mine so they are in the air flow
> from a fan.
> 
> 73
> Rob
> K5UJ
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