SCG015
Frequency
S21 – Gain
S11 – Input Return Loss
S22 – Output Return Loss
Output P1dB
Output IP3
∗
(+9 dBm / tone, 1 MHz spacing)
The Communications Edge
TM
Product Information
¼ Watt, High Linearity InGaP HBT Amplifier
2450 MHz Reference Design
Typical RF Performance at 25°C
2450 MHz
14.5 dB
-12 dB
-9 dB
+23 dBm
+40 dBm
5 dB
+5 V
100 mA
DIODE1
ID=D1
+8 V
RES
ID=R1
R=30 Ohm
CAP
ID=C3
C=.1uF
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.
RES
ID=R3
R=220 Ohm
RES
ID=R2
R=390 Ohm
CAP
ID=C2
C=1000 pF
PORT
P=1
Z=50 Ohm
CAP
ID=C6
C=56 pF
IND
ID=L2
L=15 nH
IND
ID=L1
L=15 nH
SUBCKT
NET="SCG015"
CAP
ID=C1
C=56 pF
PORT
P=2
Z=50 Ohm
Noise Figure
Device Voltage
Quiescent Current
∗
Please see note 2 on page 1.
CAP
ID=C4
C=56 pF
RES
ID=R4
R=22 Ohm
RES
ID=L3
R=0 Ohm
CAP
ID=C8
C=1 pF
CAP
ID=C5
C=56 pF
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
24
44
43
42
41
40
Ssg
16
14
-40
P1dB
OIP3
39
38
-15
10
35
60
85
Ssg & P1db
22
20
18
Temperature (°C)
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 6
June 2005 Rev. 1
OIP3 (dBm)
WJCI [ WJ COMMUNICATION. INC. ]
