Some people get familiar with term of "Linear Amplifier"
In Linear Amp plate dissipation almost the same with "max power out"
Beacuse of their effisiensi is about 50-60%.
Firson - YD0LZH
----- Original Message -----
From: <i4jmy@iol.it>
To: mark <mark@sandlabs.com>
Cc: amps <amps@contesting.com>
Sent: Wednesday, November 13, 2002 4:52 PM
Subject: [Amps] Re: [Amps] EIMAC Confusion
> Mark,
>
> I think you did not understand how does it work.
> As the word says, the plate dissipation is the energy dissipated, not
> the total power involved.
> If a tube FM amplifier (typically a class b) has roughly 70% plate
> efficiency, @ 2600W out the plate dissipation is 1114W.
>
> 73,
> Mauri I4JMY
>
>
>
> ---------- Initial Header -----------
>
> From : amps-admin@contesting.com
> To : <amps@contesting.com>
> Cc :
> Date : Tue, 12 Nov 2002 22:18:48 -0500
> Subject : [Amps] EIMAC Confusion
>
> > In the EIMAC Technical Data for the 8877/3cx1500A7
> > is is stated in the ABSOLUTE Ratings the Plate Dissipation
> > is 1500W. I take this as an ABSOLUTE MAX.
> >
> > However in the TYPICAL Operation at 88-108MHz USEFUL POWER OUTPUT
> > is rated at 2600W.
> >
> > Is this meaning that the tube is providing 2600W to the load while pla
> te
> > dissipation
> > is only 1500W? Is this possible ? If so What is then the TOTAL TUBE
> > DISSIPATION
> > and how is the filament power related to it ?
> >
> > Mark
> >
> > _______________________________________________
> > Amps mailing list
> > Amps@contesting.com
> > http://lists.contesting.com/mailman/listinfo/amps
> >
>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
----------------------------------------------------------------------------
Ikuti polling TELKOM Memo 166 di www.plasa.com dan menangkan hadiah
masing-masing Rp 250.000 tunai
----------------------------------------------------------------------------
|