The Communications Edge TM
AH114
¼ Watt, High Linearity InGaP HBT Amplifier
Product Information
900 MHz Application Circuit (AH114-89PCB900)
CAP
ID=C3
C=100000 pF
size 1206
Typical RF Performance
Vcc = +5 V
Frequency
900 MHz
19 dB
CAP
ID=C2
C=1000 pF
size 0805
All passive components are of size 0603 unless otherwise noted.
S21 – Gain
DIODE1
ID=D1
5.6 V
CAP
ID=C1
C=56 pF
S11 – Input Return Loss
S22 – Output Return Loss
-14 dB
-10 dB
RES
ID=R1
R=2700 Ohm
IND
ID=L1
L=33 nH
CAP
ID=C4
C=56 pF
CAP
ID=C5
C=56 pF
PORT
P=2
Z=50 Ohm
PORT
P=1
Z=50 Ohm
RES
ID=L2
R=0 Ohm
Output IP3
+40 dBm
(+11 dBm / tone, 1 MHz spacing)
Output P1dB
Noise Figure
Supply Voltage
Supply Current
+24 dBm
5.0 dB
+5 V
SUBCKT
ID=U1
NET="AH114"
CAP
ID=C6
C=5.6 pF
CAP
ID=C9
C=1.0 pF
C6 should be placed at the silk screen
marker "F" on the WJ evaluation board.
C9 should be placed at the silk screen
marker "8" on the WJ evaluation board.
150 mA
The capacitor should be placed
14° @ 0.9GHz from pin 1.
The capacitor should be placed
19° @ 0.9GHz from pin 3.
Measured parameters were taken at 25 C.
Application Circuit: 900 MHz
ACPR IS-95A vs. Channel Power
20
15
10
5
IS-95, 9 Ch. Forward, 30 kHz Meas BW, ±885 kHz offset
-40
freq = 0.9 GHz
-50
-60
-70
DB(|S[1,1]|) *
DB(|S[2,1]|) *
DB(|S[2,2]|) *
0
-5
-10
-15
-20
13
14
15
16
17
18
0.7
0.8
0.9
1
1.1
Output Channel Power (dBm)
Frequency (GHz)
1900 MHz Application Circuit (AH114-89PCB1900)
CAP
ID=C3
C=100000 pF
size 1206
Vcc = +5 V
Typical RF Performance
All passive components are of size 0603 unless otherwise noted.
CAP
ID=C2
C=1000 pF
size 0805
Frequency
1900 MHz
14.5 dB
-10 dB
S21 – Gain
DIODE1
ID=D1
5.6 V
CAP
ID=C1
C=56 pF
RES
ID=R1
R=2700 Ohm
S11 – Input Return Loss
S22 – Output Return Loss
-14 dB
IND
ID=L1
L=15 nH
CAP
ID=C4
C=56 pF
CAP
ID=C5
C=56 pF
PORT
P=1
Z=50 Ohm
PORT
P=2
Z=50 Ohm
IND
ID=L2
L=2.7 nH
Output IP3
+41 dBm
(+11 dBm / tone, 1 MHz spacing)
Output P1dB
Noise Figure
Supply Voltage
Supply Current
+23 dBm
5.0 dB
+5 V
SUBCKT
ID=U1
NET="AH114"
CAP
ID=C7
C=2.4 pF
CAP
ID=C9
C=1.2 pF
C7 should be placed at the silk screen
marker "A" on the WJ evaluation board.
C9 should be placed at the silk screen
marker "7" on the WJ evaluation board.
150 mA
The capacitor should be placed
5° @ 1.9GHz from pin 1.
The capacitor should be placed
34° @ 1.9GHz from pin 3.
Measured parameters were taken at 25 C.
ACPR IS-95A vs. Channel Power
IS-95, 9 Ch. Forward, 30 kHz Meas BW, ±885 kHz offset
Application Circuit: 1900 MHz
-40
-50
-60
-70
20
15
10
5
freq = 1.9 GHz
DB(|S[1,1]|) *
DB(|S[2,1]|) *
DB(|S[2,2]|) *
0
-5
-10
-15
-20
13
14
15
16
17
18
1.6
1.7
1.8
1.9
2
2.1
Output Channel Power (dBm)
Frequency (GHz)
Specifications and information are subject to change without notice
Web site: www.wj.com Page 3 of 6 April 2006
WJ Communications, Inc Phone 1-800-WJ1-4401 FAX: 408-577-6621 e-mail: sales@wj.com
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