Hittite has introduced seven new SiGe BiCMOS MMIC mixer RFICs that are well suited for upconversion and downconversion applications in applications from 0.7 to 3.9 GHz.

The HMC684LP4E, HMC685LP4, HMC688LP4 and HMC666LP4E are SiGe BiCMOS mixer RF ICs that are rated from 0.7 to 1.0 GHz, 1.7 to 2.2 GHz, 2.0 to 2.7 GHz and 3.1 to 3.9 GHz, respectively. Each product consists of a high-linearity, double-balanced mixer core and a matched local oscillator (LO) amplifier that combine to deliver up to +35 dBm input IP3 with only 0 dBm of input LO drive.

The four devices feature singled-ended LO and RF ports, while the differential IF ports support intermediate frequencies from DC to 500 MHz. These compact converters are optimized for low-side LO frequency plans and exhibit a conversion loss as low as 7 dB with up to 30 dB of LO to RF and LO to IF isolation.

The BiCMOS MMIC mixers are housed in footprint compatible, RoHS compliant 4x4 mm QFN SMT packages and operate from a single +5V supply.

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