The Communications Edge TM
AH118
¼ Watt, High Linearity InGaP HBT Amplifier
Product Information
1900 MHz Application Circuit (AH118-89PCB1900)
+5V
Frequency
1900 MHz
CAP
ID=C1
C=100000 pF
All passive components are of size 0603 unless otherwise noted.
Gain
16.8 dB
D1
Diode
5.6V
The diode D1 is used as over-voltage protection on the evaluation.
CAP
ID=C2
C=1000 pF
boards. It is not specifically required in the final circuit layout in
a system using
a DC regulator.
Input Return Loss
Output Return Loss
Output P1dB
12 dB
20 dB
CA P
ID=C3
C=56 pF
Component R1 is shown in the silkscreen but is not used for this
configuration.
L3--
0
ohm resistor can be removed from the final layout.
+24.7 dBm
IND
ID=L1
L=18 nH
CA P
ID=C4
C= 56 pF
CAP
ID=C5
C=56 pF
P ORT
P =1
Z=50 O hm
PORT
P=2
Z=50 Ohm
IND
ID= L2
L= 4.7 nH
Output IP3
+40.5 dBm
+18 dBm
(+11 dBm / tone, 1 MHz spacing)
Channel Power
RES
ID=L3
R=0 O hm
S UB CK T
ID= U1
NET="AH118"
CAP
ID=C7
C=2.7 pF
(@-45 dBc ACPR, IS-95 9 channels fwd)
CA P
ID= C9
C= 1.8 pF
Noise Figure
4.3 dB
+5 V
Device / Supply Voltage
Quiescent Current
C7 should be placed at the silk screen marker
'A' on the W J evaluation board or 4.6 deg 1.84GHz
from pin 1 of the AH118
C9 should be placed at the silk screen marker '5' on the
evaluation board or 23 deg 1.9GHz from pin of AH118.
@
@
3
160 mA
S11, S22 vs. Frequency
Gain
ACPRvs. Channel Power
IS-95, 9 Ch. Fwd, ±885 kHz offset, 30 kHz Meas BW, 1900 MHz
0
-5
18
-40
-50
-60
-70
17
16
15
14
13
-10
-15
-20
-25
S11
S22
1.8
1.85
1.9
1.95
2
12
13
14
15
16
17
18
19
1800
1850
1900
1950
2000
Frequency (GHz)
Frequency (MHz)
Output Channel Power (dBm)
Specifications and information are subject to change without notice
Page 4 of 8 May 2006
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. ]
