[Elecraft] K2 current draw

Fri Nov 28 18:14:01 2003

Don,

Thanks for the response.

This is without options as tested. I have a pretty healthy supply (35 amp)
at 13.4 volts and only getting about .3 drop.Can't remember right now, but I
think the manual said around 1.6 amps.

73,

Rich

----- Original Message ----- 
From: "Don Wilhelm" <[email protected]>
To: "Rich McCabe" <[email protected]>; <[email protected]>
Sent: Friday, November 28, 2003 4:46 PM
Subject: Re: [Elecraft] K2 current draw

> Rich,
>
> You may have nothing worng - it all depends...
>
> First, the current draw with a full set of options will be higher than the
> current the manual states - for this check, the manual assumes only the
base
> K2.
>
> Secondly, the actual transmit current depends on the voltage applied.  The
> K2 will draw current trying to produce the power you have requested, so if
> you power supply voltage is on the low side, more current will be drawn.
I
> believe the manual is close to correct for a nominal base K2 with a 13.8
> volt supply.
>
> Remove all the options and try it with a 13 to 14 volt supply and see what
> the current draw is under those conditions.
>
> 73,
> Don W3FPR
>
> ----- Original Message -----
>
> > Just completed assembly of my new K2. Have all the options (160, DSP,
NB,
> > SSB) built except for the 100 watt PA unit. Unfortunatly my DSP unit was
> > missing a .33 film type capacitor. Wish I had something to stick in as a
> > temp so I can play :)
> >
> > Anyway, during the alignment process I ran across the problem where my
> > current draw is 2.5 amps at 5 watts which is about an amp higher than it
> > should be.I checked my components and they seem to be installed properly
> and
> > I checked voltages on tranistors in the transmitter and they look good.
> >
>
>
> _______________________________________________
> Elecraft mailing list: [email protected]
> You must be subscribed to post to the list.
> To subscribe or unsubscribe see:
http://mailman.qth.net/mailman/listinfo/elecraft
> Elecraft Web Page: http://www.elecraft.com
> Also see: http://www.elecraft.com/elecraft_list_guidelines.htm
>
>