RF switch’s linearity hits dual-band DOCSIS 3.1 specification targets

October 15, 2014 // By The UltraCMOS PE42722 RF switch allows customer premises equipment (CPE) vendors to future proof their devices to meet the strict linearity requirements of the DOCSIS 3.1 cable industry standard
The UltraCMOS PE42722 RF switch allows customer premises equipment (CPE) vendors to future proof their devices to meet the strict linearity requirements of the DOCSIS 3.1 cable industry standard

Peregrine Semiconductor's UltraCMOS PE42722 is a high-linearity SPDT RF switch that enables a dual upstream/downstream band architecture in cable customer premises equipment (CPE) devices.

Covering a frequency range of 5-1,794 MHz, the PE42722 supports an average input power greater than 65 dBmV. The switch’s low insertion loss (0.3 dB at 1218 MHz) preserves noise figure and receiver sensitivity and achieves superior signal quality, along with providing high isolation of 40 dB at 612 MHz. The PE42722 also features current consumption of 130 µA, standard +1.8V and +3.3V logic support, a wide voltage supply range from 2.3 to 5.5V, and 1.5 kV ESD protection on all pins.

By using a dual-band architecture, multi-service operators (MSOs) have the flexibility to offer their customers new and expanded services while CPEs can comply with the new DOCSIS 3.1 cable industry standard. MSOs also benefit from the switch supporting both DOCSIS 3.0 and 3.1, allowing for a simple and cost-effective transition to DOCSIS 3.1.