AH118-89PCB900 Просмотр технического описания (PDF) - Unspecified
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AH118-89PCB900 Datasheet PDF : 6 Pages
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AH118
¼ Watt, High Linearity InGaP HBT Amplifier
The Communications Edge TM
Product Information
900 MHz Application Circuit (AH118-89PCB900)
Typical RF Performance at 25°C
Frequency
900 MHz
S21 – Gain
20.4 dB
S11 – Input Return Loss
-15 dB
S22 – Output Return Loss
-12 dB
Output P1dB
+24.2 dB
Output IP3
(+17 dBm / tone, 1 MHz spacing)
Channel Power
(@-45 dBc ACPR, IS-95 9 channels fwd)
+40 dB
+18.2 dB
Noise Figure
4 dB
Device / Supply Voltage
+5 V
Quiescent Current
160 mA
Vcc = +5 V
All passive components are of size 0603 unless otherwise noted.
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.
Component R1 is shown in the silkscreen but is not used for this
configuration.
L2 - the 0 ohm resistor - can be removed (with a thru line) in the
final circuit layout.
PORT
P=1
Z=50 Ohm
CAP
ID=C4
C=100 pF
RES
ID=L2
R=0 Ohm
DIO DE1
ID= D1
5.6 V
CAP
ID=C7
C=8.2 pF
C7 should be placed at the silk screen
marker 'C' on the WJ evaluation board.
The capacitor should be placed
6.1° @ 0.9GHz from pin 1 of the AH118
SUBCKT
ID=U1
NET="AH118"
IND
ID=L1
L=33 nH
size 0805
CAP
ID=C1
C=1e5 pF
size 1206
CAP
ID=C2
C=1000 pF
CAP
ID=C3
C=56 pF
size 0805
CAP
ID=C5
PORT
P=2
C=100 pF Z=50 Ohm
IND
ID=L3
L=2.7 nH
CAP
ID=C9
C=2 pF
C9 should be placed between
silk screen markers '8' and '9'
on the WJ evaluation board.
The capacitor should be placed
19.5° @ 0.9GHz from pin 3
of the AH118.
22
21
20
19
18
17
800
Gain
850
900
950
Frequency (MHz)
0
-5
-10
-15
-20
-25
1000
800
Return Loss
S11
S22
ACPR vs. Channel Power
IS-95, 9 Ch. Fwd, ±885 kHz offset, 30 kHz Meas BW, 900 MHz
-40
-50
-60
850
900
950
Frequency (MHz)
-70
1000
12 13 14 15 16 17 18 19
Output Channel Power (dBm)
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 • Web site: www.wj.com
May 2004
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