The Communications Edge TM
SCG015
¼ Watt, High Linearity InGaP HBT Amplifier
Product Information
2450 MHz Reference Design
CAP
ID=C3
C=.1uF
RES
ID=R1
R=30 Ohm
+8 V
Typical RF Performance at 25°C
DIODE1
ID=D1
Frequency
2450 MHz
14.5 dB
-12 dB
8.2 v
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.
S21 – Gain
RES
RES
ID=R3
R=220 Ohm
ID=R2
R=390 Ohm
CAP
ID=C2
S11 – Input Return Loss
S22 – Output Return Loss
Output P1dB
C=1000 pF
-9 dB
CAP
ID=C1
C=56 pF
IND
ID=L1
L=15 nH
+23 dBm
IND
ID=L2
L=15 nH
CAP
PORT
P=2
Z=50 Ohm
PORT
SUBCKT
NET="SCG015"
Output IP3∗
ID=C6
C=56 pF
P=1
Z=50 Ohm
+40 dBm
(+9 dBm / tone, 1 MHz spacing)
RES
ID=L3
R=0 Ohm
CAP
ID=C4
C=56 pF
Noise Figure
5 dB
+5 V
CAP
ID=C5
C=56 pF
CAP
ID=C8
C=1 pF
RES
ID=R4
R=22 Ohm
Device Voltage
Quiescent Current
100 mA
∗ Please see note 2 on page 1.
C8 is placed half way between silkscreen marker ‘3’ and ‘4’ or center of component placed at 23 deg. @ 2.45 GHz away from pin 3.
Ssg, OIP3 and P1dB vs.
Temperature at 2.45GHz
26
44
43
42
41
40
39
38
24
22
20
18
16
14
Ssg
P1dB
OIP3
-40
-15
10
35
60
85
Temperature (°C)
Specifications and information are subject to change without notice
Page 4 of 5 October 2006
WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • Web site: www.wj.com
WJCI [ WJ COMMUNICATION. INC. ]
