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HMC524

GaAs MMIC I/Q MIXER

Analog Devices 

v02.0907

Typical Applications

The HMC524 is ideal for:

• Point-to-Point and Point-to-Multi-Point Radio

3

Functional Diagram

HMC524

GaAs MMIC I/Q MIXER

22 - 32 GHz

Features

Wide IF Bandwidth: DC - 3.5 GHz

Image Rejection: 23 dB

LO to RF Isolation: 50 dB

High Input IP3: +20 dBm

Die Size: 1.49 x 1.14 x 0.1 mm

General Description

The HMC524 is a compact I/Q MMIC mixer which can

be used as either an Image Reject Mixer or a Single

Sideband Upconverter. The chip utilizes two standard

Hittite double balanced mixer cells and a 90 degree

hybrid fabricated in a GaAs MESFET process. All

data shown below is taken with the chip mounted

in a 50 Ohm test fixture and includes the effects of

mil diameter x 20 mil length bond wires on each port. A

low frequency quadrature hybrid was used to produce

a 100 MHz USB IF output. This product is a much

smaller alternative to hybrid style Image Reject Mixers

and Single Sideband Upconverter assemblies.

Electrical Specifications, TA = +25° C, IF= 100 MHz, LO = +17 dBm*

Parameter

Min.

Typ.

Frequency Range, RF/LO

22 - 32

Frequency Range, IF

DC - 3.5

Conversion Loss (As IRM)

11

Image Rejection

20

23

1 dB Compression (Input)

+16

LO to RF Isolation

30

40

LO to IF Isolation

12

18

IP3 (Input)

+20

Amplitude Balance

0.2

Phase Balance

5

* Unless otherwise noted, all measurements performed as downconverter.

Max.

14

Min.

Typ.

24 - 29.5

DC - 3.5

10

20

23

+16

30

40

12

18

+20

0.4

5

Max.

13

Units

GHz

GHz

dB

dB

dBm

dB

dB

dBm

dB

Deg

3 - 88

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