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

MH205

High Linearity Cellular-Band MMIC Mixer

Product Information

Typical Performance Plots: Low-side Downconversion

InputIP3vsRFFrequency

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

24

26

28

30

32

34

800

820

840

860

880

900

920

RFFrequency(MHz)

IF = 70 MHz

IF = 120 MHz

IF = 140 MHz

InputIP3vsRFFrequency

Low-side Downconversion, IF = 120 MHz, 25°C

24

26

28

30

32

34

800

820

840

860

880

900

920

RFFrequency(MHz)

LO=+15dBm

LO=+16dBm

LO=+17dBm

LO=+18dBm

LO=+19dBm

InputIP3vsRFFrequency

Low-sideDownconversion,IF=120MHz,LO=+17dBm

24

26

28

30

32

34

800

820

840

860

880

900

920

RFFrequency(MHz)

-40°C

+25°C

+85°C

ConversionLossvsRFFrequency

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

5

6

7

8

9

10

800

820

840

860

880

900

920

RF Frequency (MHz)

IF = 70 MHz

IF = 120 MHz

IF = 140 MHz

ConversionLossvsRFFrequency

Low-side Downconversion, IF = 120 MHz, 25°C

5

6

7

8

9

10

800

820

840

860

880

900

920

RFFrequency(MHz)

LO = +15 dBm

LO = +16 dBm

LO = +17 dBm

LO = +18 dBm

LO = +19 dBm

ConversionLossvsRFFrequency

Low-sideDownconversion,IF=120MHz,LO=+17dBm

5

6

7

8

9

10

800

820

840

860

880

900

920

RFFrequency(MHz)

-40°C

+25°C

+85°C

LO Return Loss vs LO Frequency

LO = +17 dBm, 25°C

-20

-15

-10

-5

0

700

725

750

775

800

825

850

LOFrequency(MHz)

RF Return Loss vs RF Frequency

LO = +17 dBm, 25°C

-25

-20

-15

-10

-5

0

800

820

840

860

880

900

920

RF Frequency (MHz)

IF = 70 MHz

IF = 120 MHz

IF = 140 MHz

IF Return Loss vs RF Frequency

LO = +17 dBm, 25°C

-25

-20

-15

-10

-5

0

70

80

90

100

110

120

IFFrequency(MHz)

RF=800MHz

RF=900MHz

L-R Isolation

LO = +17 dBm, 25°C

10

20

30

40

50

700

725

750

775

800

825

850

LO Frequency (MHz)

L-I Isolation

LO = +17 dBm, 25°C

10

20

30

40

50

60

700

725

750

775

800

825

850

LO Frequency (MHz)

R-I Isolation

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

0

5

10

15

20

800

820

840

860

880

900

920

RFFrequency(MHz)