Hittite Microwave Corp of Chelmsford,MA,USA(which designs and supplies analog,digital and mixed-signal RF,microwave and millimeter-wave ICs,modules and subsystems as well as instrumentation)has launched a broadband high IP3 downconverter RFIC that operates at 700-3500MHz.The HMC1090LP3E suits space-constrained frequency conversion applications in wireless infrastructure equipment such as base transceiver stations,remote radio units,small cells and repeaters.
The HMC1090LP3E is a high-linearity downconverting mixer optimized for multi-standard diversity receiver applications where low power consumption and small size are required.This highly integrated RFIC has a wideband limiting LO amplifier and can be used in any 3 GPP operating band from 700 to 3500MHz.Unlike conventional narrow-band downconverter RFICs,it supports both high-side and low-side LO injection over the entire RF band.
The HMC1090LP3E integrates LO and IF amplifiers,LO and RF baluns and a wideband passive mixer core with bias control.The unique architecture of the converter provides excellent LO/RF,LO/IF,and RF/IF isolations,it is claimed,while the RF and LO input ports are internally matched to 50Ω.The device exhibits a noise figure as low as 8.5dB and input IP3 up to+26dBm,suiting demanding high-linearity applications.For narrow-band applications,the input IP3 performance can be further optimized with simple external matching.
Consuming typically less than 0.9W of DC power,with a very fast enable control interface,the HMC1090LP3E provides additional power conservation options in time division duplex(TDD)applications.The HMC1090LP3E is housed in a compact RoHS-compliant 3mm x 3mm plastic QFN package.Due to what is claimed to be a unique topology,it is also available in dual-channel format as the HMC990LP4E.