Semiconductor company pSemi’s UltraCMOS PE42726 debuts as a DOCSIS 3.1-compliant switch that addresses escalating demands for faster download speeds, higher bandwidth, and even higher data throughput. The device is a single-pole, double-throw (SPDT) radio frequency (RF) switch for use in cable broadband applications including DOCSIS 3.1 cable modems, set-top boxes, and residential gateways.
The PE42726 boasts best-in-class linearity from 5 MHz to 1.794 GHz with second and third harmonic performance of -121 dBc and -150 dBc, respectively, at a fundamental frequency of 17 MHz. According to the company, “these levels ensure the upstream transmit (Tx) signal keeps the downstream receive (Rx) frequency range free of any unwanted self-interference across the shared coax cable.” Other features include an insertion loss of 0.3 dB at 1.218 GHz and an isolation performance of 39 dB at 204 MHz.
Additionally, the PE42726 can support performance requirements of DOCSIS 4.0 and is available in a 12-lead, 3 mm x 3 mm QFN package. For deeper insights and revelations, download and peruse pSemi’s UltraCMOS PE42726 datasheet.
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