4

4 - 60

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20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373

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HMC554

GaAs MMIC FUNDAMENTAL

MIXER, 11 - 20 GHz

v02.1007

General Description

Features

Functional Diagram

High LO to RF Isolation: 46 dB

Passive Double Balanced Topology

Low Conversion Loss: 7 dB

Wide IF Bandwidth: DC - 6 GHz

Robust 1,000V ESD, Class 1C

Small Size: 0.83 x 1.12 x 0.1 mm

Typical Applications

The HMC554 is ideal for:

• Microwave Radio

• VSAT

• Military & Space

• Communications, Radar & EW

The HMC554 is a passive double balanced mixer

that can be used as an upconverter or downconverter

between 11 and 20 GHz. The miniature monolithic

mixer is fabricated in a GaAs MESFET process, and

requires no external components or matching circu-

itry. The HMC554 provides excellent LO to RF and

LO to IF isolation due to optimized balun structures.

Measurements were made with the chip mounted

into in a 50 ohm test fixture and includes the para-

sitic effects of wire bond assembly. Connections were

made with a 1 mil wire bond with minimal length (<12

mil).

Parameter

Min.

Typ.

Max.

Min.

Typ.

Max.

Units

Frequency Range, RF & LO

12 - 16

11 - 20

GHz

Frequency Range, IF

DC - 6

DC - 6

GHz

Conversion Loss

7

9

8

10

dB

Noise Figure (SSB)

7

9

8

10

dB

LO to RF Isolation

40

46

38

44

dB

LO to IF Isolation

32

38

30

40

dB

RF to IF Isolation

16

25

15

25

dB

IP3 (Input)

18

18

dBm

IP2 (Input)

48

45

dBm

1 dB Gain Compression (Input)

11

11

dBm

*Unless otherwise noted, all measurements performed as downconverter, IF= 100 MHz.