[AMRadio] Transmitter Efficiency [Was: Power Levels]

[Mike Dorworth]

Also I suggest you throw away that particular book...the one in front of you
that says a KW is just 500 watts....


----- Original Message -----
From: Mike Dorworth <k4xm at dovelink.com>
To: <amradio at mailman.qth.net>
Sent: Monday, June 24, 2002 9:30 AM
Subject: Re: [AMRadio] Transmitter Efficiency [Was: Power Levels]


> YEP very very ruff figuring. any time that 2000 volts at 500 ma is 500
watts
> that's as ruff as it will ever get..Try it out on Riley when he gets
you...
>
>
> ----- Original Message -----
> From: Steve Cloutier, 978-597-3311 <cloutier at bicnet.net>
> To: <amradio at mailman.qth.net>
> Sent: Monday, June 24, 2002 10:25 AM
> Subject: [AMRadio] Transmitter Efficiency [Was: Power Levels]
>
>
> .
> >
> > If I use rough numbers for a BC610, the final consumes 5V. @10A - 50
watts
> > for the heater.  The modulators, 5V @6A each - 60 watts for both
> > heaters.  Then there is probably some type of audio driver - using, say
75
> > watts, then an RF driver which (conservatively) uses 100 watts (or
> > MORE).  285 watts.  Using published numbers for RF efficiency (I have
the
> > book right in front of me) - 2000V @ 500 ma = 500 watts DC input, 335
> watts
> >
>
>
> ---
> Outgoing mail is certified Virus Free.
> Checked by AVG anti-virus system (http://www.grisoft.com).
> Version: 6.0.372 / Virus Database: 207 - Release Date: 06/20/2002
>
> _______________________________________________
> AMRadio mailing list
> AMRadio at mailman.qth.net
> http://mailman.qth.net/mailman/listinfo/amradio
>


---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.372 / Virus Database: 207 - Release Date: 06/20/2002