[hpsdr] Penelope typical output power

[bruce.beford at myfairpoint.net]

Quoting Lyle Johnson <kk7p at wavecable.com>:
> Hello Bruce!
>
> > It would appear that the single-stage output amplifier runs into gain
> > bandwidth product limits at the higher frequencies. The output stage for
> > Hermes has been redesigned to distribute that gain between two stages of
> > OPA2674. Perhaps if that approach pans out, an optional "daughterboard" or
> > something similar could be done for Penelope to help equalize the available
> > output across it's frequency range. 
>
> I've created a design I call PennyLane. It has the cascaded OPA2674
> amplifier from Hermes, along with the variable output power control
> circuitry being tested on Hermes.  It isn't a daughterboard, but one
> could certainly be designed. 
>
> The schematics and PCB files for PennLyane are done and ready to go. 
> Once I know that these features are working as intended in Hermes, I'll
> release them under the OHL. 
>
> 73,
>
> Lyle KK7P
>


Sweet!
Thanks, Lyle. 
I'll be looking forward to see how the testing on Hermes goes. 
-Bruce N1RX

PS- love the Beatles-inspired name... 




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