Anritsu MS2038C VNA Master

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The Anritsu VNA Master MS2038C is said to be the highest performance handheld for two-port, two-path measurements.

It addresses all complex cable and antenna measurement needs in the field with accurate, vector corrected two-port magnitude, phase and distance domain measurements. The analyser covers a frequency band from 5 kHz to 20 GHz. This range contains a wide variety of radio frequency communications systems, also radars and microwave communications systems, both coax and waveguide.

It offers what is claimed to be the first 12-term error correction algorithm in a handheld VNA. With a typical measurement speed of 350 µs per point, this is suitable for tuning filters in the field, where multiple S-parameters often interact during tuning.

Using a three-receiver architecture, it can measure and display all four S-parameters at once with a single connection to the DUT.

The instrument adds a spectrum diagnostic capability in the field to the MS2028C VNA Master. A built-in pre-selector eliminates confusing spurious responses when doing interference test with many signals. They deliver a 30 MHz capture bandwidth, 10 MHz RBW and fast sweep speeds, resulting from better data acquisition and computation.

The models offer features such as an internal routine which optimises sweeps at the fastest possible speed for the most accurate data displays. They have broad spectrum analysis frequency coverage, good dynamic range and good phase noise performance from 9 kHz to 20 GHz. Applications include field tests for backhaul microwave or for measurements of the 5th harmonic of 3G base stations.

The instrument includes many one-button standard measurement sequences, including field strength, occupied bandwidth, channel power, adjacent channel power ratio and carrier to interference (C/I) ratio. In addition, the built-in AM/FM/SSB demodulator simplifies the task of identifying interfering signals.