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Digitizers boast instantaneous bandwith, high dynamic range

Posted: 11 Mar 2011 ?? ?Print Version ?Bookmark and Share

Keywords:RF? IF? digitizers? baseband? signal?

ZTEC Instruments introduces the ZT844x series of RF/IF digitizers and baseband signal analyzers. The analyzers offer engineers more instantaneous bandwidth to receive and process digital communication signals, and increased input signal dynamic range to provide higher wireless data rates.

The ZT844x series comprise of software-defined, synthetic modular instruments for design verification, characterization and test of RF and microwave integrated devices, circuits, and systems. The devices address bandwidth and dynamic range challenges that test engineers face in testing new communication standards such as the 802.11ac Wi-Fi standard and WiMAX protocols. They are suited for RF and microwave receiver applications including wireless and semiconductor RFIC testing.

The devices can receive and analyze 802.11n (as well as other Wi-Fi standards that use OFDM modulation, including 802.11a and 802.11g) signals. ZTEC begins with the 802.11n protocol and adds 802.11ac functionality to extend the 802.11n standard with instantaneous bandwidth up to 160MHz, more MIMO channels, and higher density modulation, up to 256QAM.

The ZT844x Series of RF/IF digitizers provide the core digital communication signal processing functionality of a vector signal analyzer (VSA) used to receive, capture and measure digital communication signals. As a standalone instrument, the ZT844x can be used as a baseband, IF, or low-frequency RF VSA covering a frequency range from DC up to 1GHz. When combined with a microwave downconverter, the VSA capability of the ZT844x can be extended to microwave frequencies of 50GHz or more.

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