Specifications and information are subject to change without notice

WJ Communications, Inc

• Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • Web site: www.wj.com

November 2003

The Communications Edge

TM

MH203

High Linearity Cellular-Band MMIC Mixer

Product Information

Typical Performance Plots: High-side Downconversion

Input IP3 vs RF Frequency

High-side Downconversion, LO= +17 dBm, 25° C

26

28

30

32

34

36

750

800

850

900

950

1000

RF Frequency (MHz)

IF =150 MHz

IF =200 MHz

IF =239 MHz

IF =300 MHz

IF =350 MHz

Input IP3 vs RF Frequency

High-side Downconversion, IF = 239 MHz, 25°C

24

26

28

30

32

34

750

800

850

900

950

1000

RFFrequency (MHz)

LO=+15 dBm

LO=+16 dBm

LO=+17 dBm

LO=+18 dBm

LO=+19 dBm

Input IP3 vs RF Frequency

High-side Downconversion, IF = 239 MHz, LO=+17dBm

26

28

30

32

34

36

750

800

850

900

950

1000

RFFrequency (MHz)

-40°C

+25°C

+85°C

Conversion Loss vsRF Frequency

High-side Downconversion, LO= +17 dBm, 25°C

5

6

7

8

9

10

750

800

850

900

950

1000

RFFrequency (MHz)

IF =150 MHz

IF =200 MHz

IF =239 MHz

IF =300 MHz

IF =350 MHz

Conversion Lossvs RF Frequency

High-side Downconversion, IF = 239 MHz, 25°C

5

6

7

8

9

10

750

800

850

900

950

1000

RF Frequency (MHz)

LO= +15 dBm

LO= +16 dBm

LO= +17 dBm

LO= +18 dBm

LO= +19 dBm

Conversion Loss vsRF Frequency

High-side Downconversion, IF = 239 MHz, LO=+17dBm

5

6

7

8

9

10

750

800

850

900

950

1000

RFFrequency (MHz)

-40°C

+25°C

+85°C

LOReturn Loss vsLOFrequency

LO=+17 dBm, 25°C

-20

-15

-10

-5

0

900

1000

1100

1200

1300

LOFrequency (MHz)

RFReturnLoss vsRF Frequency

LO=+17 dBm, 25°C

-25

-20

-15

-10

-5

0

750

800

850

900

950

1000

RFFrequency (MHz)

IF =150 MHz

IF =200 MHz

IF =239 MHz

IF =350 MHz

IF =400 MHz

IFReturnLossvsRF Frequency

LO=+17 dBm, 25°C

-25

-20

-15

-10

-5

0

200

250

300

350

400

IFFrequency(MHz)

RF =750 MHz

RF =800 MHz

RF =900 MHz

RF =1000 MHz

RF =1050 MHz

L-RIsolation

LO= +17 dBm, 25°C

0

10

20

30

40

900

1000

1100

1200

1300

LOFrequency(MHz)

L-I Isolation

LO= +17 dBm, 25°C

40

50

60

70

80

900

1000

1100

1200

1300

LOFrequency(MHz)

R-I Isolation

Downconverting Application, LO=+17 dBm, 25° C

0

10

20

30

40

750

800

850

900

950

1000

RFFrequency (MHz)