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NWT4000-2 RF DIGITAL
SWEEPER & ANALYZER
USER MANUAL
Manufacturer:
WUTONG ELECTRONIC
site：http://bg7tbl.taobao.com
TEL: +86134 2795 9750
Q Q: 1630 2767
Email: bg7tbl@126.com
version: V2.0
date: 2014-10-20
This document is based on the original manual from the supplier, edited
and updated by Kurt Poulsen (OZ7OU)
The document and applied editing and updates devoted entirely to
document the NWT4000-2 25MHz-4.4GHz unit (using 2xADF4351 PLL’s)but will
also be useful for the NWT4000-2 and NWT4000-1 series going from 138MHz to
4.4GHz (using 2xADF4350 PLL’s). However, the latest NWT4000-2 where the
SMD connector are on top of the PCB (and not at the edge) has improved
screening and far better dynamic range. Watch our when building it into a case
to use a plastic case. Using a metal case will most likely give elevated noise
floor by several dB in the GHz region.
Watch out that you do not purchase the version in a case with two SMA
connectors and a Green LED in between (believing it is a NWT4000 version), as
it most likely will only have 1 PLL (ADF4350 for 138MHz version and ADF4351
for 25MHz version) and thus only is a signal generator and spectrum analyzer,
not being able to sweep the frequency response of devices.
May 2015 edition
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