[hpsdr] Janus BoM with Mouser part #'s

[Lyle Johnson]

Hello Chris!

> I’ve added Mouser part #’s to Lyle’s BoM for Janus where I could find 
> them. The Excel spreadsheet is at
> 
> http://www.hamsdr.com/personaldirectory.aspx?id=281

Thank you for your work on this.

Note that there are much cheaper op amps than the Linear Technology 
LT1128 initially specified for the design.  The noise is slightly 
higher, but at these impedances I doubt it will be noticed, and we can 
knock between $20 and $30 of the parts cost for Janus if we can 
successfully apply the other amplifiers.  The substitute I hope to test 
is TI's NE5534ADR (Digikey 296-16943-1-ND).

73,

Lyle KK7P


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