AH114
¼ Watt, High Linearity InGaP HBT Amplifier
Typical RF Performance
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
2140 MHz Application Circuit (AH114-89PCB2140)
Vcc = +5 V
All passive components are of size 0603 unless otherwise noted.
2140 MHz
14 dB
-25 dB
-20 dB
+40 dBm
+23 dBm
6.0 dB
+5 V
150 mA
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
PORT
P=2
Z=50 Ohm
Output P1dB
Noise Figure
Supply Voltage
Supply Current
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.
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.
Measured parameters were taken at 25
C.
W-CDMA ACLR vs. Channel Power
Application Circuit: 2140 MHz
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]|) *
-35
-40
ACLR (dBc)
-45
-50
-55
-60
12
3GPP W-CDMA, Test Model 1 + 64 DPCH,
±5 MHz offset
freq = 2140 MHz
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)
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=2
Z=50 Ohm
70 MHz
23.4 dB
-15 dB
-14 dB
+44.5 dBm
+23.8 dBm
6.5 dB
+5 V
150 mA
Measured Gain
PORT
P=1
Z=50 Ohm
CAP
C=1000 pF
IND
L=56 nH
RES
R=3.9 Ohm
IND
L=33 nH
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.
Measured Return Loss
0
DB(|S[1,1]|)
-5
DB(|S[2,2]|)
26
DB(|S[2,1]|)
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
WJ Communications, Inc
Phone 1-800-WJ1-4401
FAX: 408-577-6621
e-mail: sales@wj.com
Page 4 of 6 November 2006
WJCI [ WJ COMMUNICATION. INC. ]
