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

[John B. Stephensen]

A faster switch and matched I/O impedances may lower the NF.

73,

John
KD6OZH

----- Original Message ----- 
From: <pvharman at arach.net.au>
To: "Ray Anderson" <ray.anderson at xilinx.com>
Cc: <hpsdr at hpsdr.org>
Sent: Tuesday, July 25, 2006 01:24 UTC
Subject: Re: [hpsdr] Proposal for a 'low-end' RX/TX board for HPSDR


> ***** High Performance Software Defined Radio Discussion List *****
>
> If we fix the 'increasing noise figure with frequency' problem with the
QSD
> then we don't require a pre-amp on any band - including 6m.
>
> All a pre-amp is going to do is reduce the IP3. Lets put all our effort
into
> the QSD problem - once solved we progress the radio art for everyone.
>
> Phil...VK6APH
>
>
>
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