[hpsdr] Proposal for a 'low-end' RX/TX board for HPSDR

[Ahti Aintila]

On 27/07/06, Lyle Johnson <kk7p at wavecable.com> wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> The OPA1632, on the other hand, has a Gain/Bandwidth product of 180 MHz
> and a slew rate of 50V/usec.  I suspect this part would be sub-optimal
> for use as the QSD integrator at the higher end of the HF spectrum.
>
Lyle,
Tthis has to be tested, but I expect that it should work as integrator
reasonably well. Phil's integrator is AD8021 that has 490 MHz and
150V/us specifications, OPA1632 has 180 MHz and 50 V/us. About 3 times
lower.

73, Ahti OH2RZ

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