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

April 2006

ECP050D

½ Watt, High Linearity InGaP HBT Amplifier

Product Information

2140 MHz Application Circuit (ECP050D-PCB2140)

Typical RF Performance at 25

qC

CAP

ID=C1

C=56 pF

CAP

ID= C2

C=56 pF

C AP

ID =C3

C =56 pF

CAP

ID=C 4

C=1e7 pF

C AP

ID=C6

C =10 pF

CAP

ID= C7

C=1000 pF

CAP

ID=C8

C=0.8 pF

IND

ID=L1

L=18 nH

RES

ID=C 11

R=0 Ohm

CAP

ID=C9

C= 1.8 pF

RES

ID =R1

R=100 Ohm

CAP

ID=C5

C=1000 pF

RES

ID= R2

R=22 Ohm

RES

ID =R3

R=51 Ohm

TLIN P

ID=TL1

Z0=50 Ohm

L=275 mil

Eeff=3.16

Loss=0

F0=0 GHz

TLIN P

ID=TL2

Z0= 50 Ohm

L=225 mil

Eeff=3.16

Loss= 0

F0= 0 GHz

1

2

3

4

5

6

7

8

9

10

11

12

1 3

14

1 5

16

SUBC KT

I D=ECP50D

N ET="QFN"

PORT

P=1

Z=50 Ohm

PORT

P=2

Z=50 Ohm

All passive components are size 0603 unless otherwise noted.

C8 should be placed at silk screen marker "F"on the

WJ evaluation board as shown.

C9 should be placed at silk screen markers "4"

on WJ evaluation board as shown.

+5.6V Zener

Vsupply = +5V

size 1008

The transmission line lengths are from the edge of the device

pins to the center of the component.

S21 vs. Frequency

6

8

10

12

14

16

2110

2120

2130

2140

2150

2160

2170

Frequency (MHz)

+25°C

+85°C

-40°C

S11 vs. Frequency

-25

-20

-15

-10

-5

0

2110 2120

2130

2140

2150 2160

2170

Frequency (MHz)

+25°C

+85°C

-40°C

S22 vs. Frequency

-25

-20

-15

-10

-5

0

2110

2120

2130

2140

2150

2160

2170

Frequency (MHz)

+25°C

+85°C

-40°C

Noise Figure vs. Frequency

0

1

2

3

4

5

6

7

8

2110

2120

2130

2140

2150

2160

2170

Frequency (MHz)

+ 25°C

+85°C

-40°C

ACPR vs. Channel Power

3GPP W-CDMA Test Model 1+64 DPCH, ±5 MHz offset, 2140 MHz

-65

-60

-55

-50

-45

-40

-35

15

16

17

18

19

20

21

Output Channel Power (dBm)

+25°C

+85°C

-40°C

P1 dB vs. Frequency

20

22

24

26

28

30

2110

2120

2130

2140

2150

2160

2170

Frequency (MHz)

+25°C

+85°C

-40°C

OIP3 vs. Frequency

+25°C, +11 dBm / tone

35

37

39

41

43

45

2110

2120

2130

2140

2150

2160

2170

Frequency (MHz)

OIP3 vs. Temperature

freq. = 2140, 2141, +11 dBm / tone

35

37

39

41

43

45

-40

-15

10

35

60

85

Temperature ( °C)

OIP3 vs. Output Power

freq. = 2140, 2141 MHz, 25°C

35

37

39

41

43

45

6

8

10

12

14

16

18

20

Output Power (dBm)

Frequency

2140 MHz

S21 – Gain

14.4 dB

S11 – Input Return Loss

-23 dB

S22 – Output Return Loss

-8 dB

Output P1dB

+28.5 dBm

Output IP3

(+11 dBm / tone, 1 MHz spacing)

+42 dBm

W-CDMA Channel Power

(@-45 dBc ACLR)

+20 dBm

Noise Figure

5.3 dB

Device / Supply Voltage

+5 V

Quiescent Current

250 mA