Where do you get the 100 watts?  I'm a little confused or perhaps I need 
a nap.  at 50 percent, a 50 watt radio would pull 100 watts, divided by 
12v is 8 amps, or are you thinking a hundred watt radio?
73
Butch
WA0VJR
Node 3148
Wallace, ks.


On Sun, 8 Jan 
2012, David W Wood (G3YXX) wrote:

> If it was 50 per cent efficient, at 100 watts, then about 15 amps.
> If, say, class C at two thirds efficiency, then about 11 amps.
>
> 73
>
> David W Wood
>
> Ham call - G3YXX
> FOC # - 1685
> Licensed - 1969
> =20
>
> -----Original Message-----
> From: For blind ham radio operators =
> [mailto:[log in to unmask]] On Behalf Of Tom Behler
> Sent: Sunday, January 08, 2012 3:37 PM
> To: [log in to unmask]
> Subject: anyone know what the current draw is for TMV7A on high power?
>
> Hi, all.
>
> Does anyone know what the old Kenwood TMV7A draws in terms of amperage =
> when=20
> transmitting on high power?
>
> I looked on icanworkthisthing.com, but the manual there omits the=20
> specifications section.
>
> I would suspect the current draw on high power is about 12 or 13 amps, =
> but=20
> am not totally sure.
>
> I'm getting packet radio set up here, and am trying to decide whether I =
> can=20
> use the 7A for packet with my RS35 power supply, and the rigrunner, or=20
> whether I need to give the old 7A it's own separate power supply.
>
> Currently, my rig runner and Astron RS35 powers my TS590 and my TMV71A, =
> plus=20
> a few accessories, but obviously, everything is not operating at the =
> same=20
> time.
>
> 73 from Tom Behler: KB8TYJ
>
>
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