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 7 of 11 May 2007 ver 1

AP602

High Dynamic Range 4W 28V HBT Amplifier

2110-2170 MHz Application Circuit (AP602-PCB2140)

Typical WCDMA Performance at 25

°C

at a channel power of +27 dBm

Frequency

2140 MHz

W-CDMA Channel Power

+27 dBm

Power Gain

13 dB

Input Return Loss

9 dB

Output Return Loss

9 dB

ACLR

-52 dBc

IMD3 @ +27 dBm PEP

-47 dBc

Operating Current, Icc

112 mA

Collector Efficiency

15.7 %

Output P1dB

+35.7 dBm

Quiescent Current, Icq

80 mA

Vpd, Vbias

+5 V

Vcc

+28 V

Notes:

1. The primary RF microstrip line is 50

Ω.

2. Components shown on the silkscreen but not on the schematic are not used.

3. The center of C22 is placed at 0.185” (17.3

° @ 2140 MHz) from the center of C1.

4. The center of C1 is placed at 0.910” (84.9

° @ 2140 MHz) from the center of C3.

5. The center of C3 is placed at 0.035” (3.26

° @ 2140 MHz) from the edge of the AP602 (U1).

6. The center of C6 is placed at 0.510” (47.6

° @ 2140 MHz) from the edge of the AP602 (U1).

7. The bold-faced RF trace is for the DC bias feed. The stub’s length is approximately a ¼ λ.

2110-2170 MHz Application Circuit Performance Plots

W-CDMA 3GPP Test Model 1+64 DPCH, 60% clipping, PAR = 8.6 dB @ 0.01% Probability, 3.84 MHz BW

Gain vs. Output Power vs. Frequency

CW tone, Vcc = 28V, Icq = 80 mA, 25 ˚C

11

12

13

14

20

24

28

32

36

Output Power (dBm)

2110 MHz

2140 MHz

2170 MHz

S11, S22 vs. Frequency

Vcc = 28V, Icq = 80 mA, 25 ˚C

-25

-20

-15

-10

-5

0

2

2.05

2.1

2.15

2.2

2.25

2.3

Frequency (GHz)

S11

S22

Efficiency vs. Output Power vs. Frequency

CW tone, Vcc = 28V, Icq = 80 mA, 25 ˚C

0

10

20

30

40

50

20

24

28

32

36

Output Power (dBm)

2110 MHz

2140 MHz

2170 MHz

ACLR1 vs. Output Power vs. Frequency

WCDMA, Vcc = 28V, Icq = 80 mA, 25 ˚C

-65

-60

-55

-50

-45

-40

19

21

23

25

27

29

Average Output Power (dBm)

2110 MHz

2140 MHz

2170 MHz

Icc vs. Output Power vs. Frequency

WCDMA, Vcc = 28V, Icq = 80 mA, 25 ˚C

80

90

100

110

120

130

140

19

21

23

25

27

29

Average Output Power (dBm)

2110 MHz

2140 MHz

2170 MHz

Efficiency vs. Output Power vs. Frequency

WCDMA, Vcc = 28V, Icq = 80 mA, 25 ˚C

0

5

10

15

20

25

19

21

23

25

27

29

Average Output Power (dBm)

2110 MHz

2140 MHz

2170 MHz

See note 6

C22

0.5 pF

See note 3

See note 4

See note 5

C7

1000pF

W = .030”

L = .980”