AH114
Frequency
S21 – Gain
S11 – Input Return Loss
S22 – Output Return Loss
Output IP3
(+11 dBm / tone, 1 MHz spacing)
The Communications Edge
TM
Product Information
¼ Watt, High Linearity InGaP HBT Amplifier
2140 MHz Application Circuit (AH114-89PCB2140)
Typical RF Performance
2140 MHz
14 dB
-25 dB
-20 dB
+23 dBm
+40 dBm
6.0 dB
+5 V
150 mA
£
Vcc = +5 V
All passive components are of size 0603 unless otherwise noted.
RES
ID=R1
R=2700 Ohm
L2 should be placed 19.5° @ 2.14GHz
from pin 1 of the AH114.
PORT
P=1
Z=50 Ohm
CAP
ID=C4
C=56 pF
CAP
ID=L2
C=1.5 pF
DIODE1
ID=D1
5.6 V
IND
ID=L1
L=15 nH
CAP
ID=C3
C=100000 pF
size 1206
CAP
ID=C2
C=1000 pF
size 0805
CAP
ID=C1
C=56 pF
CAP
ID=C5
C=56 pF
Output P1dB
Noise Figure
Supply Voltage
Supply Current
PORT
P=2
Z=50 Ohm
CAP
ID=C6
C=1.5 pF
SUBCKT
ID=U1
NET="AH114"
CAP
ID=C9
C=0.8 pF
C9 should be placed at the silk
screen marker "6" on the WJ evaluation board.
The capacitor should be placed
39° @ 2.14GHz from pin 3.
Measured parameters were taken at 25 C.
C6 should be placed at the silk
screen marker "F" on the WJ evaluation board.
The capacitor should be placed
33° @ 2.14GHz from pin 1.
W-CDMA ACLR vs. Channel Power
15
10
5
Magnitude (dB)
0
-5
-10
-15
-20
-25
1.9
2
2.1
Frequency (GHz)
2.2
2.3
DB(|S[1,1]|) *
DB(|S[2,1]|) *
DB(|S[2,2]|) *
Application Circuit: 2140 MHz
-35
-40
ACLR (dBc)
-45
-50
-55
-60
3GPP W-CDMA, Test Model 1 + 64 DPCH, ±5 MHz offset
freq = 2140 MHz
12
13
14
15
16
Output Channel Power (dBm)
70 MHz Reference Design
Typical RF Performance
Frequency
S21 – Gain
S11 – Input Return Loss
S22 – Output Return Loss
Output IP3
(+11 dBm / tone, 1 MHz spacing)
70 MHz
23.4 dB
-15 dB
-14 dB
+44.5 dBm
+23.8 dBm
6.5 dB
+5 V
150 mA
Measured Gain
£
Vcc = +5 V
CAP
C=1e7 pF
CAP
C=1000 pF
CAP
C=10 pF
RES
R=2700 Ohm
IND
L=470 nH
PORT
P=1
Z=50 Ohm
CAP
C=1000 pF
IND
L=56 nH
RES
R=3.9 Ohm
IND
L=33 nH
PORT
P=2
Z=50 Ohm
Output P1dB
Noise Figure
Supply Voltage
Supply Current
CAP
C=68 pF
SUBCKT
ID=U1
NET="AH114"
CAP
C=1000 pF
Measured parameters were taken at 25 C.
26
0
Measured Return Loss
DB(|S[1,1]|)
DB(|S[2,2]|)
DB(|S[2,1]|)
-5
24
Gain (dB)
Return Loss (dB)
-10
-15
22
-20
20
40
50
60
70
Frequency (MHz)
80
90
100
-25
40
50
60
70
Frequency (MHz)
80
90
100
Specifications and information are subject to change without notice
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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 April 2006
WJCI [ WJ COMMUNICATION. INC. ]
