4 GHz to 8.5 GHz,
Wideband I/Q Mixer
HMC525ACHIPS
Data Sheet
FEATURES
FUNCTIONAL BLOCK DIAGRAM
Passive: no dc bias required
HMC525ACHIPS
NC
NC
NC
Conversion loss: 11 dB maximum (downconverter)
Input IP3: 17 dBm minimum (downconverter)
LO to RF Isolation: 43 dB minimum
IFx pad frequency range: dc to 3.5 GHz
12-pad, RoHS compliant, bare die (CHIP)
90° HYBRID
GND
LO
GND
RF
GND
GND
IF1
IF2 GND
APPLICATIONS
Test and measurement instrumentation
Military, aerospace, and defense applications
Microwave point to point base stations
Figure 1.
GENERAL DESCRIPTION
The HMC525ACHIPS is a compact gallium arsenide (GaAs),
monolithic microwave integrated circuit (MMIC), in phase and
quadrature (I/Q), RoHS compliant mixer. The device can be
used as either an image reject mixer or a single sideband
upconverter. The mixer uses two standard double balanced
mixer cells and a 90° hybrid fabricated in a GaAs, metal
semiconductor field effect transistor (MESFET) process. The
HMC525ACHIPS is a much smaller alternative to a hybrid
style image reject mixer and a single sideband upconverter
assembly. The HMC525ACHIPS eliminates the need for wire
bonding, allowing the use of surface-mount manufacturing
techniques.
Rev. 0
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