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Fast Power Measurement Option for PXI RF Digitizer

03 November 2014 - Cobham Wireless, formerly Aeroflex wireless business unit, introduced a new measurement option that allows users to perform power measurements more quickly, directly reducing test times in power servo applications. Option 194 (Fast Power Measurement) on the PXI 3030 series RF digitizer results in a 57% reduction in servo loop time when applied to an LTE signal.

“Option 194 gives RFMD a much faster way of making power measurements by using the on-board FPGA on the RF digitizer,” said Tim Carey, senior product manager for Cobham. “Fast power measurement is extremely beneficial when testing cellular or WLAN power amplifiers as well as in many other applications. Measurements such as ACLR, EVM, and efficiency are made at a constant output power. Reaching the desired output power is an iterative process, which normally adds significantly to the measurement time.”

The PXI 3000 Series RF modular instruments provide five generations of test capability covering most applications in RF design validation and wireless manufacturing test. Licensed options are available for LTE/LTE-A, GSM/UMTS/HSPA+, WLAN 802.11a/b/g/n/p/ac, GPS, Bluetooth, DECT, FM, and all generic standards.

The AXRF is a high-density, multi-site capable test platform. It adds RF test capability to existing digital IC testers with the same capabilities as the PXI 3000 Series.

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