.

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

August 2004

ECG014

0.2 Watt, High Linearity InGaP HBT Amplifier

Product Information

The Communications Edge

TM

900 MHz Application Circuit (ECG014B-PCB900)

Typical RF Performance at 25

°C

∗ Please see note 2 on page 1.

CAP

C=

ID=

56 pF

C4

CAP

C=

ID=

56 pF

C5

IND

L=

ID=

33nH

L1

CAP

ID=C3

CAP

C=

ID=

0.8pF

C8

RES

R=

ID=

390 Ohm

R2

RES

R=

ID=

220 Ohm

R3

IND

L=

ID=

33 nH

L2

RES

R=

ID=

30 Ohm

R1

CAP

C=

ID=

56 pF

C6

RES

R=

ID=

22 Ohm

R4

CAP

C=

ID=

56 pF

C1

CAP

C=

ID=

1000 pF

C2

CAP

C=

ID=

5.6 pF

C7

RES

R=

ID=

50 Ohm

R5

SUBCKT

PORT

Z=

P=

50 Ohm

1

PORT

Z=

P=

50 Ohm

2

8.2v zener

8v

ECG014 900 MHz

C= .1uF

C7 is placed at silkscreen marker ‘C’ or center of component placed at 5.6 deg. @ 900 MHz away from pin 1. C8 is

placed at 22 deg. @ 900 MHz away from pin 3.

S21 vs. Frequency

16

18

20

22

24

840

860

880

900

920

940

Frequency (MHz)

+25°C

+85°C

-40°C

S11 vs. Frequency

-40

-35

-30

-25

-20

-15

-10

-5

0

840

860

880

900

920

940

Frequency (MHz)

+25°C

+85°C

-40°C

S22 vs. Frequency

-25

-20

-15

-10

-5

0

840

860

880

900

920

940

Frequency (MHz)

+25°C

+85°C

-40°C

Noise Figure vs. Frequency

0

2

4

6

8

840

860

880

900

920

940

Frequency (MHz)

+25°C

+85°C

-40°C

P1 dB vs. Frequency

20

21

22

23

24

25

840

860

880

900

920

940

Frequency (MHz)

+25°C

+85°C

-40°C

ACPR vs. Channel Power

IS-95, 9 Ch. Fw d, ±885 KHz offset, 30 KHz Meas. BW, 900 MHz

-70

-65

-60

-55

-50

-45

-40

12

13

14

15

16

17

18

Output Channel Power (dBm)

+25°C

+85°C

-40°C

OIP3 vs. Frequency

+25°C, +9 dBm / tone

30

32

34

36

38

40

42

840

860

880

900

920

940

Frequency (MHz)

OIP3 vs. Temperature

Fre. = 900, 901 MHz, +9 dBm / tone

32

34

36

38

40

42

-40

-15

10

35

60

85

Temperature (°C)

OIP3 vs. Output Power

Freq. = 900, 901 MHz, +25°C

32

34

36

38

40

42

6

7

8

9

10

11

12

13

14

Output Power (dBm)

Frequency

900 MHz

S21 – Gain

20.5 dB

S11 – Input Return Loss

-20 dB

S22 – Output Return Loss

-9.5 dB

Output P1dB

+22.8 dBm

Output IP3

∗

(+9 dBm / tone, 1 MHz spacing)

+39 dBm

Channel Power

(@-45 dBc ACPR, IS-95 9 channels fwd)

+17 dBm

Noise Figure

5 dB

Device Voltage

+5 V

Quiescent Current

100 mA