Re: Introduction, and new project description
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On Sat, Jun 17, 2017 at 2:05 AM, Clifford Heath clifford.heath@...
A few of us locally (Sydney/Melbourne) are starting a design for a $100 SNA/VNA
using the AD9959 quad-DDS module, which is good to 200MHz (500MHz core).
The design will use an Arduino with a touch-screen LCD, and an AD8302 gain/
phase chip. This will provide an indication of phase as well as amplitude, though
the phase is not terribly accurate. The main benefit from going with the AD9959 is
extending to 200MHz and having four channels, with digitally controllable phase
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