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

February 2002

AH11

Typical Performance (50 Ohm System)

Frequency

600 MHz

900 MHz

1900 MHz

2100 MHz

Magnitude S21

10.7 dB

12.2 dB

11.2 dB

10.6 dB

Magnitude S11

-10.0 dB

-10.0 dB

-13.5 dB

-10.0 dB

Magnitude S22

-12.7 dB

-18.2 dB

-10.0 dB

-10.0 dB

NF

7.62 dB

4.13 dB

4.16 dB

5.55 dB

OIP2

63 dBm

65 dBm

65 dBm

63 dBm

OIP3

42 dBm

46 dBm

44 dBm

45 dBm

Bias

Vds = 5.0 V, Id = 300 mA

Schematic

RF OUT

DC +5 V

RF IN

C = 56 pF

C = 56 pF

C = 56 pF,

5000 pF

C = 56 pF

C = 56 pF

C = 2.0 pF

R = 50 ohm

R = 50 ohm

L = 12 nH

L = 12 nH

4 or more Via

Grounds req.

SMT 90 Coupler

Anaren 11305-3

SMT 90 Coupler

Anaren 11305-3

FR4 Board Layout (T = 14 Mils to ground plane)

AH11 Wide Band Balanced Amp

RF IN

RF OUT

Parts List

QTY

Description

Size

MFR

Part No.

1

Hi pwr Linear Amp

SOIC8

WJ

AH11

2

90 Coupler Wideband

Anaren 11305-3

5

56 pF Capacitor

0603

Kemet

1

5000 pF Capacitor

0603

Kemet

1

.01uF Capacitor

0805

Kemet

2

12 nH Inductor

0603

Toko

1

2.0 pF Capacitor

0603

Kemet

4

100 ohm Resistor

0603

Balanced Circuit: 600-2100 MHz

Performance Charts

Frequency (MHz)

200 400 600 800

1200

1000

1400 1600 1800 2000 2200 2400

S-Parameters

10

20

0

-10

-20

-30

S21

S11

S22

Frequency (MHz)

600

800

1000 1200

1400

1600

1800 2000 2200

NF vs. Frequency

8

6

2

4

0

Frequency (MHz)

600

1000

800

1200 1400 1600 1800 2000 2200 2400

OIP3 vs. Frequency

50

45

30

25

35

40

20

MTTF vs. Temperature

Ground Tab Temperature (C)

0

20

40

60

100

80

120

140

160

1011

109

107

105

103