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 3 of 5 April 2005

ECG012

0.1 Watt, High Linearity InGaP HBT Amplifier

Product Information

900 MHz Application Circuit (ECG012B-PCB900)

Typical RF Performance

Frequency

900 MHz

S21 – Gain

14 dB

S11 – Input Return Loss

-14 dB

S22 – Output Return Loss

-10 dB

Output IP3

(+6 dBm / tone, 1 MHz spacing)

+35 dBm

Output P1dB

+20 dBm

Noise Figure

4.7 dB

Supply Voltage

+3 V

Supply Current

100 mA

Measured parameters were taken at 25 C.

CAP

ID=C4

C=56 pF

CAP

ID=C5

C=56 pF

CAP

ID=C9

C=1 pF

DIODE1

ID=D1

CAP

ID=C3

C=1000 pF

CAP

ID=C2

C=56 pF

CAP

ID=C1

C=100000 pF

IND

ID=L1

L=33 nH

RES

ID=L2

R=0 Ohm

CAP

ID=C7

C=5.6 pF

RES

ID=L3

R=0 Ohm

RES

ID=R1

R=820 Ohm

SUBCKT

ID=U1

NET="ECG012"

PORT

P=1

Z=50 Ohm

PORT

P=2

Z=50 Ohm

Vcc = +3 V

5.6 V

C7 should be placed at the silk screen

marker ’F’ on the WJ evaluation board.

All passive components are of size 0603 unless otherwise noted.

C9 should be placed between

on the WJ evaluation board.

size 1206

size 0805

The capacitor should be placed

19°@ 0.9GHz from pin 3

The capacitor should be placed

13.7°@ 0.9GHz from pin 1 of the ECG012

silk screen markers '8'and '9'

size 0603

The diode D1 is used as over-voltage protection on the evaluation

boards. It is not specifically required in the final circuit layout in

a system using a DC regulator.

of the ECG012.

L2, L3 - the 0 ohm resistor - can be removed (with a thru line) in the

final circuit layout.

1900 MHz Application Circuit (ECG012B-PCB1900)

Typical RF Performance

Frequency

1900 MHz

S21 – Gain

12.5 dB

S11 – Input Return Loss

-15 dB

S22 – Output Return Loss

-10 dB

Output IP3

(+6 dBm / tone, 1 MHz spacing)

+36 dBm

Output P1dB

+20 dBm

Noise Figure

4.9 dB

Supply Voltage

+3 V

Supply Current

100 mA

Measured parameters were taken at 25 C.

CAP

ID=C4

C=56 pF

CAP

ID=C5

C=56 pF

CAP

ID=C9

C=1.2 pF

DIODE1

ID=D1

CAP

ID=C3

C=1000 pF

CAP

ID=C2

C=56 pF

CAP

ID=C1

C=100000 pF

CAP

ID=C7

C=2.4 pF

IND

ID=L1

L=18 nH

RES

ID=L3

R=0 Ohm

RES

ID=L2

R=0 Ohm

RES

ID=R1

R=820 Ohm

SUBCKT

ID=U1

NET="ECG012"

PORT

P=1

Z=50 Ohm

PORT

P=2

Z=50 Ohm

Vcc = +3 V

5.6 V

C7 should be placed at the silk screen

marker ’A’ on the WJ evaluation board.

All passive components are of size 0603 unless otherwise noted.

C9 should be placed at

on the WJ evaluation board.

size 1206

size 0805

The capacitor should be placed

34°@ 1.9GHz from pin 3

The capacitor should be placed

4.6°@ 1.9GHz from pin 1 of the ECG012

silk screen marker '7'

The diode D1 is used as over-voltage protection on the evaluation

boards. It is not specifically required in the final circuit layout in

a system using a DC regulator.

of the ECG012.

L2, L3 - the 0 ohm resistor - can be removed (with a thru line) in the

final circuit layout.

2140 MHz Application Circuit (ECG012B-PCB2140)

Typical RF Performance

Frequency

2140 MHz

S21 – Gain

11.5 dB

S11 – Input Return Loss

-15 dB

S22 – Output Return Loss

-10 dB

Output IP3

(+6 dBm / tone, 1 MHz spacing)

+34 dBm

Output P1dB

+20 dBm

Noise Figure

5.4 dB

Supply Voltage

+3 V

Supply Current

100 mA

Measured parameters were taken at 25 C.

CAP

ID=C4

C=56 pF

CAP

ID=C5

C=56 pF

CAP

ID=C9

C=.8 pF

DIODE1

ID=D1

CAP

ID=C3

C=1000 pF

CAP

ID=C2

C=56 pF

CAP

ID=C1

C=100000 pF

IND

ID=L1

L=18 nH

RES

ID=L3

R=0 Ohm

CAP

ID=C6

C=1.5 pF

CAP

ID=L2

C=2 pF

RES

ID=R1

R=820 Ohm

SUBCKT

ID=U1

NET="ECG012"

PORT

P=1

Z=50 Ohm

PORT

P=2

Z=50 Ohm

Vcc = +3 V

5.6 V

C6 should be placed between silk screen

markers ’E’ & ’F’ on the WJ evaluation board.

All passive components are of size 0603 unless otherwise noted.

C9 should be placed at

on the WJ evaluation board.

size 1206

size 0805

The capacitor should be placed

14.2°@ 2.14GHz from pin 3

The capacitor should be placed

28.9°@ 2.14GHz from pin 1 of the ECG012

silk screen marker '3'

The diode D1 is used as over-voltage protection on the evaluation

boards. It is not specifically required in the final circuit layout in

a system using a DC regulator.

of the ECG012.

L3 - the 0 ohm resistor - can be removed (with a thru line) in the

final circuit layout.

configuration.

Component R1 is shown in the silkscreen but is not used for this