[hpsdr] Odyssey Siren Design

[Philip Covington]

On 9/28/06, Ahti Aintila <oh2rz.sdr at gmail.com> wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> Hi Nyall,
>
> HMC174MS8 is obsoleted, the replacement is HMC574MS8. Those are
> otherwise very interesting devices, but according to my understanding,
> the specified rise and fall times are typically 80 ns that is too slow
> for sampling purpose. We are looking for swithches preferably better
> than 10 times faster for lower switching losses at high clocking
> (sampling) speeds. Hittite switches are made for TX/RX changeover
> applications.
>
> BTW, where did you see the 10 ns specification?
>
> 73, Ahti OH2RZ
>

Most of the Hittite switches require dc blocking caps on their input
and output ports also.

73 de Phil N8VB

 1159443536.0