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The MS202x/3xB VNA Master handheld RF vector network analysers (VNAs) provide field engineers with a powerful S-parameter measurement tool for on-site installation and maintenance activities.

They are particularly suited for two-port transmission measurements such as filter tuning, component test and phase matching cables.

With frequency coverage from 500kHz to 4/6GHz, and featuring multi-instrument functionality in a rugged, lightweight design that can withstand harsh environments, the MS202x/3xBs allow field engineers to find faults, optimise mission-critical systems, and maintain more sites while reducing operating and capital equipment expenditures.

The VNA Master is also an all-in-one tool that can replace laboratory grade instruments, such as scalar analysers, vector voltmeters, power meters and spectrum analysers, in the field.

It is said to be the highest-performing RF handheld tool for filter tuning, based on its display updates of 850usec/point and typical dynamic range of 100dB.

The MS202x/3xB VNA Master series is designed with a two-port vector network analyser architecture that provides S11 and S21 measurements that are generally 10 times more accurate than scalar measurement approaches, according to the company.

For example, VNA Master can measure filter passband insertion loss (ie, S21) with better than 0.1dB precision.

The improved dynamic range, coupled with selectable IF Bandwidths between 10Hz and 100kHz, offers flexibility to configure S-parameter measurements for maximum display updates or maximum accuracy.

Additionally, the VNA Master analysers have 1Hz frequency resolution for enhanced measurements of out-of-band filter characteristics.

Selection of up to 4001 data points offers hands-free operation when measuring longer cables or verifying filter characteristics.

New polar and impedance graphs offer additional flexibility to cable, filter and antenna readouts.

The MS203xB VNA Master models add integrated spectrum analysis for on-site verification or trouble-shooting.

With frequency coverage of 100kHz to 4/6GHz, the instruments can detect everything between small signals and interference sources.

Using the standard preamplifier, display average noise level (DANL) is -152dBm in 10Hz resolution bandwidth (RBW).

Dynamic range is more than 95dB in 10Hz RBW.

The phase noise at 1GHz is -100dBc/Hz at 10kHz offset, making the MS203xB suited for interference sleuthing and rogue signal hunting.

The platform incorporates eight generations of field-proven design with a new touch-screen display that simplifies operation while reducing size and weight.

An intuitive menu-driven user interface makes it easy to conduct all measurements.

Available applications are optimised for installation and maintenance tasks, including cable and antenna analysis, transmission measurements, phase matching cables, interference hunting and general-purpose spectrum analysis.

A variety of measurement options multiply the usefulness of the VNA Master.

The MS202x/3xB can be equipped with a vector voltmeter for cable phase matching; distance domain; bias tee for tower-mounted amplifier work; GPS for time and location stamping; coverage mapping for wireless signal data acquisition; and an interference analyser.

Ethernet connectivity is also available as an option.

Anritsu designed the MS202x/3xB specifically for field use.

A large 8.4in daylight viewable display makes it easy to see results in any environment.

New displays include a red night-vision mode, a black and white high-contrast mode and two full-colour modes.

It takes less than five minutes to warm up and a field-replaceable battery allows the VNA Master to be used for up to 2.5 hours without having to be recharged.

At less than 10lbs, VNA Master helps improve field personnel productivity over conventional AC-powered limited-range instruments.

With operating temperature range of -10 to 55C and MTBF of 10,000 hrs, VNA Master is rugged and reliable.

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