The Communications Edge TM
SCG015
¼ Watt, High Linearity InGaP HBT Amplifier
Product Information
1960 MHz Application Circuit (SCG015B-PCB1960)
CAP
ID=C3
C=.1uF
RES
ID=R1
R=30 Ohm
+8 V
Typical RF Performance at 25°C
DIODE1
ID=D1
Frequency
1960 MHz
16.5 dB
-16 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
-11 dB
CAP
ID=C1
C=56 pF
IND
ID=L1
L=15 nH
+24 dBm
IND
ID=L2
L=15 nH
CAP
PORT
P=2
Z=50 Ohm
PORT
SUBCKT
NET="SCG015"
Output IP3∗
ID=C6
P=1
C=56 pF
Z=50 Ohm
+40 dBm
+17 dBm
(+9 dBm / tone, 1 MHz spacing)
IND
ID=L3
L=3.3 nH
CAP
Channel Power
CAP
ID=C4
C=56 pF
ID=C5
C=56 pF
(@-45 dBc ACPR, IS-95 9 channels fwd)
CAP
ID=C8
CAP
ID=C7
C=1.2 pF
RES
ID=R4
R=22 Ohm
C=1.2 pF
Noise Figure
5 dB
+5 V
C8 is placed at silkscreen
marker ‘7” or center of
component placed at 32 deg.
@ 1.9 GHz away from pin 3.
Device Voltage
C7 placed at silkscreen marker ‘A” or center of component
placed at 3.9 deg. @ 1900 MHz away from pin 1.
Quiescent Current
100 mA
∗ Please see note 2 on page 1.
Ssg, OIP3 & P1dB vs.
Temperature @ 1.96GHz
ACPR1 vs. Pout
vs. Temperature at 1.96GHz
-40
-45
-50
-55
-60
-65
-70
26
24
22
20
18
16
14
12
44
43
42
41
40
39
38
37
36
Gain
P1dB
OIP3
85°C
13
-40°C
25°C
15
10
11
17
-40
-15
10
35
60
85
Pout (dBm)
Temperature (°C)
2140 MHz Application Circuit (SCG015B-PCB2140)
CAP
ID=C3
C=.1uF
RES
ID=R1
R=30 Ohm
+8 V
DIODE1
ID=D1
Typical RF Performance at 25°C
Frequency
2140 MHz
15 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
ID=R2
R=390 Ohm
CAP
ID=C2
R=220 Ohm
S11 – Input Return Loss
S22 – Output Return Loss
Output P1dB
-20 dB
C=1000 pF
-10 dB
CAP
ID=C1
C=56 pF
IND
ID=L1
L=15 nH
+24 dBm
IND
ID=L2
L=15 nH
CAP
ID=C6
C=56 pF
PORT
P=2
Z=50 Ohm
PORT
P=1
Z=50 Ohm
SUBCKT
NET="SCG015"
Output IP3∗
+40 dBm
(+9 dBm / tone, 1 MHz spacing)
IND
ID=L3
L=3.3 nH
CAP
ID=C4
C=56 pF
CAP
ID=C5
C=56 pF
Noise Figure
5 dB
+5 V
CAP
ID=C8
C=1 pF
CAP
RES
ID=R4
R=22 Ohm
ID=C7
C=.7 pF
Device Voltage
C7 placed at silkscreen marker ‘A” or center of
component placed at 4.4 deg. @ 2.14 GHz away
from pin 1.
C8 is placed at silkscreen marker ‘7” or
center of component placed at 37 deg. @
2.14 GHz away from pin 3.
Quiescent Current
100 mA
∗ Please see note 2 on page 1.
Ssg, OIP3, & P1dB vs.
Temperature @ 2.14GHz
24
22
20
18
16
14
12
42
41
40
39
38
37
Ssg
P1dB
OIP3
60
36
-40
-15
10
35
85
Temperature (°C)
Specifications and information are subject to change without notice
Page 3 of 6 June 2005 Rev. 1
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. ]
