4 GHz to 8.5 GHz,

GaAs, MMIC, I/Q Mixer

Data Sheet

HMC525ALC4

Rev. A

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FEATURES

Passive: no dc bias required

Conversion loss: 8 dB (typical)

Input IP3: 20 dBm (typical)

LO to RF isolation: 47 dB (typical)

IF frequency range: dc to 3.5 GHz

RoHS compliant, 24-terminal, 4 mm × 4 mm LCC package

APPLICATIONS

Microwave and very small aperture terminal radios

Test equipment

Point to point radios

Military electronic warfare; electronic countermeasure; and

command, control, communications, and intelligence

FUNCTIONAL BLOCK DIAGRAM

13

1

3

4

2

NIC

NIC

GND

RF

5

6

GND

NIC

NIC

14 GND

15 LO

16 GND

17 NIC

18 NIC

GND

PACKAGE

BASE

90° HYBRID

HMC525ALC4

Figure 1.

GENERAL DESCRIPTION

The HMC525ALC4 is a compact gallium arsenide (GaAs),

monolithic microwave integrated circuit (MMIC), in phase

quadrature (I/Q) mixer in a 24-terminal, RoHS compliant, ceramic

leadless chip carrier (LCC) package. The device can be used as

either an image reject mixer or a single sideband (SSB)

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

HMC525ALC4 is a much smaller alternative to a hybrid style

image reject mixer and a SSB upconverter assembly. The

HMC525ALC4 eliminates the need for wire bonding, allowing the

use of surface-mount manufacturing techniques.