[Amps] Palstar DL5K 5KW load

[PA3DUV]

Harold,

Further to your posting concerning the 5 kW dummyload from Palstar I have 
checked the VSWR on 80 and 20 meters and could not find anything unusual. I 
measured under the following conditions:

Input 1500 w carrier
Frequency 3600 kHz
VSWR 1 : 1.2

Input 1500 watt carrier
Frequency 14200 kHz
VSWR 1 : 1.1

SWR meter: Diamond SX-100, specified accuracy +- 5-10%

Cheers, Dick
PA3DUV




----- Original Message ----- 
From: "Harold B. Mandel" <ka1xo at juno.com>
To: <amps at contesting.com>
Sent: Thursday, August 18, 2005 12:21 AM
Subject: [Amps] Palstar DL5K 5KW load


> When opening up the Palstar DL5K dummy load
> the owner can spot a ceramic capacitor at one end of
> the two load resistors.
>
> As well, the input line goes through a metal box that serves as
> the pickup for the relative wattmeter on the front panel.
>
> While never approaching the 5KW limit I have seen some
> reflected energy from this device at the legal limit area and
> wonder if any of you might have encountered this as well.
>
> I went so far as to swap coax jumpers, etc., to eliminate
> cable glitches and the effect followed.
>
> Hal Mandel/W4HBM
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