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

February 2004

MH203

High Linearity Cellular-Band MMIC Mixer

Product Information

Typical Performance Plots: High-side Downconversion

InputIP3vsRFFrequency

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

26

28

30

32

34

36

750

800

850

900

950

1000

RFFrequency(MHz)

IF=150MHz

IF=200MHz

IF=239MHz

IF=300MHz

IF=350MHz

InputIP3vsRFFrequency

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

InputIP3vsRFFrequency

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

ConversionLossvsRFFrequency

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

ConversionLossvsRFFrequency

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

5

6

7

8

9

10

750

800

850

900

950

1000

RFFrequency(MHz)

LO=+15dBm

LO=+16dBm

LO=+17dBm

LO=+18dBm

LO=+19dBm

ConversionLossvsRFFrequency

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

LO Return Loss vs LO Frequency

LO = +17 dBm, 25°C

-20

-15

-10

-5

0

900

1000

1100

1200

1300

LO Frequency (MHz)

RF Return Loss vs RF Frequency

LO = +17 dBm, 25°C

-25

-20

-15

-10

-5

0

750

800

850

900

950

1000

RF Frequency (MHz)

IF=150MHz

IF=200MHz

IF=239MHz

IF=350MHz

IF=400MHz

IF Return Loss vs RF Frequency

LO = +17 dBm, 25°C

-25

-20

-15

-10

-5

0

200

250

300

350

400

IFFrequency(MHz)

RF=750MHz

RF=800MHz

RF=900MHz

RF=1000MHz

RF=1050MHz

L-R Isolation

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)