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 2 of 7

April 2006

ECP100D

1 Watt, High Linearity InGaP HBT Amplifier

Product Information

Typical Device Data – ECP100D (QFN 4x4mm Package)

50

550

1050

1550

2050

2500

Frequency (MHz)

Gain / Maximum Stable Gain

0

5

10

15

20

25

30

35

40

DB(|S(2,1)|)

DB(GMax())

10.0

5.0

3.

0

4.

0

-0.

2

-0

.4

S11

Swp Max

4000MHz

Swp Min

50MHz

10.0

5.0

3.

0

4.

0

-0.

2

-0

.4

S22

Swp Max

4000MHz

Swp Min

50MHz

Notes:

The gain for the unmatched device in 50 ohm system is shown as the trace in black color. For a tuned circuit for a particular frequency,

it is expected that actual gain will be higher, up to the maximum stable gain. The maximum stable gain is shown in the dashed red line.

The impedance loss plots are shown from 0.05, 0.1 and 0.2 – 4.0 GHz, with markers placed in 0.2 GHz increments.

Freq (MHz)

S11 (dB)

S11 (ang)

S21 (dB)

S21 (ang)

S12 (dB)

S12 (ang)

S22 (dB)

S22 (ang)

50

-1.35

-176.77

24.16

120.86

-39.11

18.98

-0.87

-131.71

100

-1.11

179.08

19.50

115.85

-38.95

8.44

-1.00

-154.54

200

-1.09

174.88

15.39

113.56

-39.17

8.30

-1.02

-167.00

400

-1.24

167.79

11.91

103.30

-39.00

-4.09

-0.72

-173.95

600

-1.36

159.88

9.93

92.23

-37.15

-12.20

-0.75

-177.40

800

-1.51

152.29

8.39

81.19

-38.07

-10.64

-0.87

-178.56

1000

-1.88

144.07

7.37

70.82

-38.22

-7.28

-1.00

179.90

1200

-2.45

135.03

6.77

59.35

-36.33

-22.70

-1.02

177.51

1400

-3.52

124.13

6.49

45.92

-35.42

-38.76

-1.07

176.63

1600

-5.37

110.92

6.54

30.31

-34.81

-55.67

-1.15

174.49

1800

-9.94

96.35

6.46

9.32

-33.63

-73.80

-1.01

171.25

2000

-26.16

134.17

6.08

-13.70

-33.50

-93.59

-1.00

169.44

2200

-10.08

-149.55

4.75

-39.92

-35.80

-116.52

-0.92

165.85

2400

-4.89

-169.19

2.58

-63.31

-36.84

-156.32

-0.88

161.06

2600

-2.68

172.75

0.02

-82.87

-37.99

-159.31

-1.01

157.31

2800

-1.73

158.17

-2.72

-98.11

-40.80

148.39

-0.96

151.44

3000

-1.22

144.56

-5.32

-111.57

-43.97

152.56

-1.08

148.03

Application Circuit PC Board Layout

Circuit Board Material: Top RF layer is .014” Getek, 4 total layers (0.062” thick) for mechanical rigidity

1 oz copper, Microstrip line details: width = .026”, spacing = .026”

The silk screen markers ‘A’, ‘B’, ‘C’, etc. and ‘1’, ‘2’, ‘3’, etc. are used as placemarkers for the input and

output tuning shunt capacitors – C8, C9 and C10. The markers and vias are spaced in .050” increments.