[hpsdr] FETs in mixers

[Ahti Aintila]

For FET/MOSFET mixers see the article of Ed Oxner, Ham Radio Magazine,
March 1988, pp.10-14, "High Dynamic Range Mixing with the Si8901, and
the patent publication, US Patent 5,027,163:
<http://www.freepatentsonline.com/5027163.pdf?s_id=fec3770b2482bbfd0fd569eb189cfbf9>.

73, Ahti OH2RZ


On 18/01/07, Jerry <no2t at arrl.net> wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> Hi
>        How do they drive the gates? Push-Pull?
>
>                de Jerry NO2T
> At 11:54 PM 1/17/2007 +0100, you wrote:
> >>>>
> ***** High Performance Software Defined Radio Discussion List *****
>
> FRANCIS CARCIA wrote:
>  I just picked up some SD5000s from a friend who bought a bunch so they are
> still around. One could always stack two of them for more current. gfz
> The new FT-2000 from Yaesu uses an SPM5001 as mixer, which is also a quad
> FET IC.  From the part number it looks like it could be the follow-on of
> the SD5000.
> This is the relevant part of the FT-2000 mixer schematic :
>
>
>
> 73  Alberto  I2PHD
>
> _______________________________________________
> HPSDR Discussion List
> To post msg: hpsdr at hpsdr.org
> Subscription help: http://lists.hpsdr.org/listinfo.cgi/hpsdr-hpsdr.org
> HPSDR web page: http://hpsdr.org
> Archives: http://lists.hpsdr.org/pipermail/hpsdr-hpsdr.org/
>

 1169102296.0