HMC524

製造中止

HMC524 / HMC524LC3B

GaAs monolithic microwave integrated circuit (MMIC) I/Q mixer, image reject mixer (IRM) chip and surface mount technology (SMT), 22 GHz to 32 GHz

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製品情報

Wide intermediate frequency (IF) bandwidth
HMC524: dc to 3.5 GHz
HMC524LC3B: dc to 4.5 GHz
Image rejection
HMC524: 23 dB
HMC524LC3B: 20 dB
Local oscillator (LO) to radio frequency (RF) isolation
HMC524: 50 dB
HMC524LC3B: 45 dB

High input IP3: 20 dBm
Die size (HMC524): 1.49 mm × 1.14 mm × 0.1 mm
RoHS compliant 3 mm × 3 mm SMT package (HMC524LC3B)

The HMC524 devices are compact I/Q MMIC mixers that are available in a chip (HMC524) or a RoHS compliant SMT package (HMC524LC3B), both of which can be used as either an IRM or a single sideband (SSB) upconverter. The mixers utilize two standard Hittite double balanced mixer cells and a 90° hybrid fabricated in a GaAs metal semiconductor field effect transistor (MESFET) process. A low frequency quadrature hybrid was used to produce a 100 MHz USB IF output. These products are much smaller alternatives to hybrid style IRMs and SSB upconverter assemblies. All data shown for the HMC524 is taken with the chip mounted in a 50 Ω test fixture and includes the effects of 1 mil diameter × 20 mil length bond wires on each port. The HMC524LC3B eliminates the need for wire bonding allowing use of surface mount manufacturing techniques.

Applications