Frank Goenninger DG1SBG wrote:
> To all with PSU Designer software experience:
>
> I have modeled my PS in PSU Designer but I am seeing strange effects.
What is strange?
>
> I have a 2.5 kV transformer with a secondary impedance of 7.5 Ohm. I
> have a set of SKN3F20-08 diodes lined up in strings of 8 diodes in
> series in each leg. The total capacity of my cap bank is 300uF with
> an ESR of 0.47 Ohm for each cap.
>
> I have planned to use a Globar model 888SP 50 Ohm 200 Watt resistor
> as a glitch R.
>
> Now I want to know what my output voltage is doing when I switch from
> Receive to Transmit... assuming I am doing RTTY....
>
> How do I correctly model this with the software to simulate the output ?
PSU designer will predict the volatge across the capacitors for
different values of load resistance that you specify. The voltage at
your PA will be this voltage less the drop in the glitch resistor - you
will have to calculate that for each current value/load resistance.
Steve
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|