[hpsdr] SDR-1000 interface board

Sat Sep 23 12:35:55 PDT 2006

On 23/09/06, Philip Covington <p.covington at gmail.com> wrote:
> I am looking to see if the instrumentation amp on the TRX board will
> be happy with +/- 12 or better +/- 10 volts instead of the current +/-
> 15.  If happy with +/- 10V we can re-regulate on the PIO replacement
> interface board an do some noise reduction tricks with the linear
> regulators.

Phil,
Tree years ago I tested INA163 with linear ±10V regulators. It is OK
and without the wandering harmonics of the chopper.

73, Ahti OH2RZ

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