[Rover] DC inverter for SWAN 250???

[bdevine]

also  make sure you get one that the out put is a ture sinewave if not you
will have a lot of noise on the radio and it will not be  the p[ower
transformer will start to heat up really fast with a modified wave output

73 from kb9lnc
----- Original Message -----
From: "Bill Seabreeze" <w3iy@fcc.net>
To: <rover@mailman.qth.net>
Sent: Sunday, June 02, 2002 7:45 PM
Subject: Re: [Rover] DC inverter for SWAN 250???


> Hi Jacob,
> Usually you should figure on 4 times the RF output power.
> This is because the DC-RF efficiency is around 50%, and the
> power-factor of the DC power supply is often around 0.5.
> This means the AC current into the rig's transformer is about
> twice what you would think, due to the reactive nature of
> the power supply.
>
> GL es 73,
> Bill W3IY/R
>
> ----- Original Message -----
> From: "Jacob Tennant" <k8jwt@ntelos.net>
> To: <rover@mailman.qth.net>
> Sent: Sunday, June 02, 2002 8:32 PM
> Subject: [Rover] DC inverter for SWAN 250???
>
>
> | This may be a stupid question but, how big of a DC to AC inverter would
I
> | need to run a Swan 250 in a stationary rover situation?
> |
> | Just got a Swan 250, 117XC power supply, and a Swan TV-2B 2 meter
> | transverter for $10.00 at the Butler Hamfest and figured 240watts will
go
> | farther than 10 watts...
> |
> | Jacob Tennant  K8JWT
> |
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