Test & Measurement

Radio test set boasts hybrid portable design

10th July 2014
Mick Elliott

A radio test set equipped with what is claimed to be the industry’s largest touch-screen colour display has been unveiled by Aeroflex. It is a high performance, economical radio test system for Analog AM and FM; and Digital P25, DMR, dPMR, NXDN, and ARIB T98 technologies. The Aeroflex 8800 has a new hybrid portable design that provides bench-level test features while maintaining the low weight, ruggedness, and 2.5 hour internal battery required for field testing.

It offers a measurement range of -140 dBm to 500 W.

The large colour display allows multiple meters and analysis functions to be viewed simultaneously. The test set also ushers in an all new capability known as “Fast Stack”, which speeds access to meters and analysis functions by allowing meters and analysis functions to be stacked and then instantly accessed at the press of a button.

Features including user-configurable Presets and Frequency Lists, as well as Color Meters with graphical indicators for Pass/Fail results allow ultra-fast test of analog and digital radios by performing transmit and receive tests over multiple frequencies in just seconds.

For bench-level test applications, the test set offers the necessary features and accuracy for mission critical radio tests and alignments; including a typical RF Power Meter accuracy of 6% and FM Deviation Meter accuracy of 3%.

Digital analysis capabilities include multiple meters, such as FSK Error and Symbol Deviation, along with advanced distribution, constellation, and eye diagram plots for digital modulation analysis.

For DMR radios, the test set features an exclusive TDMA power burst profile mask to ensure that the TDMA bursts are within ETSI profile specifications. It also provides digital audio quality analysis, regardless of the vocoder technology within the radio, using a unique record and playback function.

Equipped for field-level test applications the instrument’s optional tracking generator provides fast swept measurements for VSWR, Return Loss, Insertion Loss, Distance to Fault, as well as tuning Duplexers. Results are displayed both graphically and numerically.

An optional “internal” in-line power meter rated at 500 W with 4% accuracy, provides an invaluable tool for site maintenance.

The test set is designed with a new digital architecture capable of supporting fast automated radio tests and alignments.



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