SPDT switch aims to improve test equipment performance

Peregrine Semiconductor Corporation announced the new PE42552 SPDT 50-Ohm RF Switch, designed for use in test and measurement (T&M) applications requiring ultra-linear RF performance and ultra-fast settling time, such as automated test equipment (ATE), RF/IF transceiver signal switching, filter bank switching and discrete digital step attenuator (DSA) stages. Integrated CMOS control logic, driven by a single-pin, low-voltage CMOS control input, features a user-defined logic table. The device also includes a logic-select pin which inverts logic polarity for back-to-back switching applications, changing the logic definition of the control pin. The PE42552, manufactured using Peregrine's HaRP-enhanced UltraCMOS silicon-on-sapphire process technology, is designed to maintain excellent broadband RF performance from 9 kHz up to 7.5 GHz without gate lag and phase drift, and ensure fast switch-settling time.

Specifically, the PE42552 demonstrates isolation of 47dB (3.0 GHz) and approaching 30dB at 7.5 GHz; ESD tolerance of 1.0 kV HBM on all ports; and input third-order intercept point (IIP3) of +65 dBm. The device, offered in the RoHS-compliant 16-lead 3x3x0.75mm QFN package, is available for sampling in July 2008 and is priced in volume at $3.34 (100Ku).

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