Re: LF: Anyone good with Elsie?

[DK7FC <selberdenken@posteo.de>]

Ehm sorry, rather add 400 pF.

I just calculated (150/137)^2 ~ 1.2, i.e. you need 1.2 times more C, or 
2.4 nF.
73, Stefan

Am 23.08.2018 13:34, schrieb DK7FC:
> Hi Chris,
>
> Add some C across the other Cs. If you have 2 nF currently and the 
> frequency is at 150 kHz, then try to add 200 pF. Just try it out, 
> forget the simulations.
> 73, Stefan
>
> Am 23.08.2018 13:08, schrieb Chris Wilson:
> > Hello  LF'ers
> >
> > Is anyone able and willing to advise on my band pass RX filter design
> > please? I have made a band pass filter for 137kHz reception and
> > checked it with my SDR in real time. It is shifted a little high and I
> > am wondering what I need to change to pull it a bit lower? Any
> > practical advice or component values welcome. Adjustability would be
> > nice! Thanks
> >
> > Filter design is at http://www.chriswilson.tv/lf-circuit.jpg
> >
> > Real world results at : http://www.chriswilson.tv/passband.jpg
> >
> > ELSIE plot at : http://www.chriswilson.tv/lf-plot.jpg