税前297.82英镑 (约3000人民币), 参考以下网页
http://www.hamradio.co.uk/acatalog/accs_antana.htmlhttp://www.wimo.de/cgi-bin/verteiler.pl?url=instrumentation_e.html&p=news#minivnaprobt有图有真相, 请看画面华丽多了.
有三大亮点. 频率提升到200mhz, 内置bluetooth及动态范围增加到90db
另外, 软件方面升级了不少.
hi all, miniradiosolutions and his team is proud to announce the new
product called minivna pro. here below some key features:
the minivna pro, the big brother of the well-known minivna, is an
extraordinary and unique handheld vector network analyzer that makes
available a multitude of new features and capabilities which are perfect
for checking antennas and rf circuits for hams and commercial users.
together with your pc/laptop, you can add to your laboratory the further
advantages of having this first-class vna instrument.
frequency range 0.1-200 mhzcalibration using open-short-load for accurate results
range of z from 1 to 1000 ohm
two ports vna with s11 and s21; displayed and save results*)
i/q dds generator with output power of 0 dbm
two separate rf output i/q for sdr experiment and imd test with
independent 0-55 db
attenuator; phase adjustment resolution of 1 degree
built in bluetooth class 1 for remote measurements
internal battery li-ion with 1000 ma/h (4 hours full- scan operation)
built-in battery charger (up to 400 ma)
accessory port for future optional interfaces and frequency extenders
low power consumption, 220 ma @ 3.6 v (analyzer mode using usb port)
power save mode
sma connectors for better isolation
extended dynamic range – up to 90 db in transmission & 50 db in
reflectionboot loader for future firmware upgradesuser friendly interface for pc windows / linux and mac
integrated smith chart in software
optional extender for uhf and shf band (under development)mobile phone software (under development)
measurements of motional crystal parameters, cable length, & more
export data in several formats – jpeg, excel, zplot, s2p, pdf
this project is an extraordinary result of several radio amateurs
dedication of several years of hard work, i want to express my special
thanks to :
gerd koetter – sk
karl jan skontorp
yngve roberg
dietmar krause
barry johnson
volkmar junge
sbarbati eraldo
wolfgang schmenger
nils krane thvedt
alessandro zanotti
i hope you will like this new analyzer
73,
davide, iw3hev