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

Page 4 of 5 June 2007

CV221-2A

1.9 – 2.7 GHz Dual-Branch Downconverter

Typical Downconversion Performance Plots

Performance using the circuitry on the CV221-2APCB240 Evaluation Board

Conversion Loss vs RF Frequency vs Temperature

LO = 0 dBm, IF = 240 MHz, low-side LO

5

6

7

8

9

10

1800

1900

2000

2100

2200

2300

RF Frequency (MHz)

-40 °C

+25 °C

+85 °C

Input IP3 vs RF Frequency vs Temperature

LO = 0 dBm, IF = 240 MHz, low-side LO

22

24

26

28

30

32

1800

1900

2000

2100

2200

2300

RF Frequency (MHz)

-40 °C

+25 °C

+85 °C

R-I Isolation vs RF Frequency

5

10

15

20

25

30

1900

1950

2000

2050

2100

2150

2200

RF Frequency (MHz)

-40 °C

+25 °C

+85 °C

L-R Isolation vs LO Frequency

Referenced with LO = 0 dBm

0

5

10

15

20

25

1500

1600

1700

1800

1900

2000

2100

LO Frequency (MHz)

-40 °C

+25 °C

+85 °C

L-I Isolation vs LO Frequency

Referenced with LO = 0 dBm

10

15

20

25

30

35

1500

1600

1700

1800

1900

2000

2100

LO Frequency (MHz)

-40 °C

+25 °C

+85 °C

RF Return Loss vs RF Frequency

IF = 240 MHz, low-side LO at 0 dBm

-25

-20

-15

-10

-5

0

1800

1900

2000

2100

2200

2300

RF Frequency (MHz)

-40 °C

+25 °C

+85 °C

LO Return Loss vs Frequency

-25

-20

-15

-10

-5

0

1500

1600

1700

1800

1900

2000

2100

LO Frequency (MHz)

-40 °C

+25 °C

+85 °C

IF Return Loss vs LO Frequency

IF = 240 MHz, LO = 0 dBm

-25

-20

-15

-10

-5

0

1500

1600

1700

1800

1900

2000

2100

LO Frequency (MHz)

-40 °C

+25 °C

+85 °C

Input P1dB vs RF Frequency

IF = 240 MHz, low-side LO at 0 dBm

4

6

8

10

12

14

1800

1900

2000

2100

2200

2300

RF Frequency (MHz)

-40 °C

+25 °C

+85 °C

Noise Figure vs RF Frequency

IF = 240 MHz, low-side LO at 0 dBm

4

6

8

10

12

14

1900

1950

2000

2050

2100

2150

2200

RF Frequency (MHz)

-40 °C

+25 °C

+85 °C