pSemi announced volume production of the PE43508 digital step attenuator (DSA). This mmWave (millimetre wave) product is the world’s first single-chip silicon-on-insulator (SOI) DSA to support the entire 9 kHz to 55 GHz frequency range.
Ideal for 5G test and measurement applications, the PE43508 maintains a monotonic response across the entire frequency range and features low insertion loss across a wide frequency and temperature range, low attenuation error and good return loss.
The device is a 6-bit, 50 Ω DSA that offers wideband support from 9 kHz to 55 GHz. It covers a 31,5 dB attenuation range in 0,5 dB and 1 dB steps, and it is capable of maintain-ing 0,5 dB and 1 dB monotonicity through 55 GHz. The PE43508 also delivers glitch-safe attenuation state transitions, meaning no increased power spike during a state transition.
The DSA has an extended temperature range from -40°C to +105°C, an HBM ESD rating of 1 kV and an easy-to-use digital control interface supporting both serial addressable and parallel programming. It supports 1,8 V control signals and has an optional VSS_EXT bypass mode.
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