Anritsu expands spectrum analyser family

date: January 22, 2002

Anritsu has added two new members to its family of spectrum analysers. The MS2681A and MS2687A are high-speed, high-performance instruments for the evaluation of next-generation mobile communications systems and devices, and the deployment of 3G infrastructures: both Node B and backbone radio links. They can also be configured, by the use of up to three different software options at any one time, to support measurements on multi-format communications systems including GSM, CDMA, W-CDMA and p/4DQPSK.

The MS2681A covers the frequency range from 9kHz to 3GHz, while the MS2687A extends the upper frequency limit to 30GHz. Both instruments have a wide dynamic range, of typically 156dB; a wide resolution bandwidth of 20MHz; and a high-speed sweep, with a refresh rate of 20 times/s.

The MS2681A and MS2687A offer excellent adjacent channel power ratio performance for use in W-CDMA device and amplifier manufacturing - offering typical figures of -68dBc at 5MHz and -75dBc at 10MHz.

The input attenuator on the MS2681A covers 0 to 62dB in 2dB steps, while the MS2687A covers 0 to 70dB in 10dB steps. The MS2687A features a built-in power meter option. Measuring only 320 x 177 x 411 mm and weighing only 16kg, the MS2681A and MS2687A are believed to be the most compact and lightweight units on the market to offer such a high specification.

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