AH212
Frequency (MHz)
Gain (dB)
Input Return Loss (dB)
Output Return Loss (dB)
Output P1dB (dBm)
Output IP3 (dBm)
(+15 dBm / tone, 1 MHz spacing)
The Communications Edge
TM
Product Information
1 Watt High Linearity, High Gain InGaP HBT Amplifier
AH212-S8 1850 MHz Reference Design
Typical RF Performance at 25
C
1800
26.4
10.5
15.5
+30.5
+47.5
5.8
1850
26.2
12
15
+30.5
+47.5
5.8
+5 V
400 mA
1900
26.2
12.5
13
+30
+48.5
5.9
PORT
P=1
Z=50 Ohm
CAP
ID=C1
C=47 pF
CAP
ID=C2
C=47 pF
CAP
ID=C6
C=1000 pF
Vcc = +5 V
CAP
ID=C11
C=4.7E6 pF
SIZE 1210
CAP
ID=C10
C=1000 pF
CAP
ID=C9
C=47 pF
CAP
ID=C5
C=1000 pF
RES
ID=R2
R=0 Ohm
IND
ID=L1
L=18 nH
8
IND
ID=L2
L=18 nH
Size 0805
5
1
2
NET="AH212"
7
6
3
4
6
7
5
8
CAP
ID=C8
C=47 pF
Noise Figure (dB)
Device / Supply Voltage
Quiescent Current
RES
ID=R1
R=10 Ohm
RES
ID=R3
R=75 Ohm
TLINP
ID=TL1
Z0=50 Ohm
L=125 mil
Eeff=4.6
Loss=0
F0=0 MHz
PORT
P=2
Z=50 Ohm
CAP
ID=C7
C=2.7 pF
All passive components are of size 0603
unless otherwise noted.
VBC = +5 V
CAP
ID=C4
C=1000 pF
C7 is placed between silkscreen marker "2" and "3" on WJ's eval
Board or @ 10 degrees at 1.85GHz away from pins 6 and 7.
S21 vs. Frequency
S11 vs. Frequency
28
27
S21 (dB)
0
+25°C
-40°C
+85°C
-5
S11 (dB)
26
25
24
+25°C
-40°C
+85°C
-10
-15
-20
-25
1800
23
1800
1820
1840
1860
1880
1900
1820
1840
1860
1880
1900
Frequency (MHz)
S22 vs. Frequency
Frequency (MHz)
OIP3 vs. Frequency
55
50
45
40
+25°
C, +15 dBm/tone
0
-5
-10
-15
-20
+25°C
-40°C
+85°C
OIP3 (dBm)
S22 (dB)
-25
1800
1820
1840
1860
1880
1900
35
1800
1820
Frequency (MHz)
1840
1860
Frequency (MHz)
1880
1900
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 3 of 12 August 2006
WJCI [ WJ COMMUNICATION. INC. ]
