PNP Matched Pairs

[Jim Patchell]

    In the US, Newark so far is the only one I have been able to find the
SSM2220P ($4.79), but they don't seem to have the SSM2210.

    I will keep looking.

    -Jim

Tony Allgood wrote:

> >The SSM2220P part number...
>
> Farnell sell the SSM2220P in the UK. I am using it as an expo in my
> latest project.
>
> Plus, don't forget the NPN pair; the SSM2210
>
> I love these, as all purchasers of either of my two pcbs will testify.
> The TB3030 expo has one, and the Moog ladder has two for top and bottom
> pairs. In the UK Maplin and Farnell both sell them.
>
> I have enquired at Analog Devices whether there will be any production
> problems with these in the future... here today, gone tomorrow scenario.
> But they wouldn't give me an answer over e-mail. I had to ring their
> free data helpline, fine if you are in the US, but not if you are based
> in the UK. Would anyone like to find out for me?
>
> Regards,
>
> Tony Allgood, Cumbria, UK
>
> Rack mounted moog filter and the TB3030 SuperBassline projects:
>
> http://aupe.phys.andrews.edu/diy_archive/schematics/oakley/