.

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

1900 MHz Application Circuit (ECG014B-PCB1900)

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=

1 nH

L3

IND

L=

ID=

15 nH

L1

CAP

ID=C3

CAP

C=

ID=

1.5 pF

C7

CAP

C=

ID=

0.7 pF

C10

RES

R=

ID=

390 Ohm

R2

RES

R=

ID=

220 Ohm

R3

IND

L=

ID=

15 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

SUBCKT

PORT

Z=

P=

50 Ohm

1

PORT

Z=

P=

50 Ohm

2

8.2v zener

8v

ECG014 1.9GHz

C = .1uF

C9 placed at silkscreen marker ‘8” or center of component placed at 39 deg. @ 1900 MHz away from pin 1.

C12 is placed at silkscreen marker ‘I” or center of component placed at 43 deg. @ 1.9 GHz away from pin 1.

S21 vs. Frequency

0

5

10

15

20

25

1850 1870 1890 1910 1930 1950 1970 1990

Frequency (MHz)

+25°C

+85°C

-40°C

S11 vs. Frequency

-25

-20

-15

-10

-5

0

1850 1870 1890 1910 1930 1950 1970 1990

Frequency (MHz)

+25°C

+85°C

-40°C

S22 vs. Frequency

-12

-10

-8

-6

-4

-2

0

1850 1870 1890 1910 1930 1950 1970 1990

Frequency (MHz)

+25°C

+85°C

-40°C

Noise Figure vs. Frequency

0

1

2

3

4

5

6

7

1850

1870 1890

1910 1930

1950 1970

1990

Frequency (MHz)

+25°C

+85°C

-40°C

P1 dB vs. Frequency

15

17

19

21

23

25

1850 1870 1890 1910 1930 1950 1970 1990

Frequency (MHz)

+25°C

+85°C

-40°C

ACPR vs. Channel Power

IS-95, 9 Ch. Fwd. ±885 KHz offset, 30 KHz Meas. BW, 1900 MHz

-70

-65

-60

-55

-50

-45

-40

-35

10

11

12

13

14

15

16

17

18

Output Power (dBm)

OIP3 vs. Frequency

+25°C, +9 dBm / tone

32

34

36

38

40

42

1850 1870

1890 1910

1930 1950

1970 1990

Frequency (MHz)

OIP3 vs. Temperature

freq. = 1900, 1901 MHz, +9 dBm / tone

32

34

36

38

40

42

-40

-15

10

35

60

85

Temperature (°C)

OIP3 vs. Output Power

Freq. = 1900, 1901 MHz, 25°C

32

34

36

38

40

42

6

7

8

9

10

11

12

13

14

Output Power (dBm)

Frequency

1900 MHz

S21 – Gain

17.6 dB

S11 – Input Return Loss

-17 dB

S22 – Output Return Loss

-7.4 dB

Output P1dB

+23 dBm

Output IP3

∗

(+9 dBm / tone, 1 MHz spacing)

+38 dBm

Channel Power

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

+16 dBm

Noise Figure

5.2 dB

Device Voltage

+5 V

Quiescent Current

100 mA