SCG015
30
The Communications Edge
TM
Product Information
¼ Watt, High Linearity InGaP HBT Amplifier
S-parameters (V
device
= +5V, I
cc
= 100 mA, 25
°C,
unmatched 50 ohm system)
Swp Max
2.50123GHz
2.
0
Typical Device Data
S11
1.0
0.8
1.0
0
3.
2.
0
DB(|S[2,1]|)
25
Gain (dB)
DB(GMax)
0.
4
6
0.
6
0.
0.8
Gain / Maximum Stable Gain
S22
Swp Max
2.50123GHz
0
4.
5.0
0.2
10.0
10.0
10.0
0.2
0.4
0.6
0.8
1.0
2.0
3.0
4.0
5.0
0.2
0.4
0.6
0.8
1.0
2.0
3.0
4.0
5.0
20
0
0
15
-0.8
-0.8
1.8
1.9
2
Notes:
The gain for the unmatched device in 50 ohm system is shown as the trace in blue 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 plots are shown from 1800 – 2500 MHz, with markers placed at 1.8 – 2.5 GHz in 0.05 GHz increments.
S-Parameters (V
device
= +5 V, I
cc
= 100 mA, T = 25° C, unmatched 50 ohm system, calibrated to device leads)
Freq (MHz)
S11 (dB)
S11 (ang)
S21 (dB)
S21 (ang)
S12 (dB)
S12 (ang)
S22 (dB)
S22 (ang)
1800
1900
2000
2100
2200
2300
2400
2500
-6.70
-7.55
-8.60
-9.85
-11.07
-11.69
-10.87
-9.15
80.76
68.30
53.47
35.06
10.07
-21.71
-56.13
-86.03
15.90
15.77
15.66
15.53
15.40
15.08
14.67
14.14
24.47
16.51
7.76
-1.19
-10.90
-20.90
-31.83
-43.53
-28.55
-28.96
-30.14
-31.49
-33.04
-36.28
-40.69
-42.21
-25.74
-32.29
-38.84
-45.79
-59.63
-78.21
-106.46
163.73
-5.34
-4.96
-4.56
-4.12
-3.67
-3.20
-2.80
-2.44
-1.0
-1.0
2.1
2.2
Frequency (GHz)
2.3
2.4
2.5
-0
.6
-0
.6
.0
-2
.0
-2
10
.4
-0
.4
-0
Swp Min
1.79083GHz
Swp Min
1.79083GHz
156.39
156.21
155.58
155.07
153.49
150.85
147.22
142.35
Device S-parameters are available for download off of the website at: http://www.wj.com
Application Circuit PC Board Layout
Circuit Board Material: .014” Getek, 4 - layer, 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. The markers and vias are spaced in .050” increments.
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 6
June 2005 Rev. 1
-4
.0
-5.
0
-3
.0
-4
.0
-5.
0
2
-0.
2
-0.
-10.0
0.
4
0
3.
0
4.
5.0
-10.0
-3
.0
0.2
10.0
WJCI [ WJ COMMUNICATION. INC. ]
