The Communications Edge
TM AH2
High Dynamic Range Amplifier
Product Information
Single – Ended CATV 75 : Evaluation Circuit: 50 – 860 MHz (AH2-PCB)
CAP
ID=C4
+5 V
Typical RF Performance at 25 qC
Frequency MHz 100 450 860
14.5 14.5 13.2
C=1000 pF
IND
ID=L3
L=270 nH
S21 – Gain
dB
dB
dB
S11 – Input R.L.
S22 – Output R.L.
-11.1 -12.7 -18.3
-9.5 -22.9 -10.6
SUBCKT
ID=S1
NET="AH2"
CAP
IND
ID=L1
L=12 nH
CAP
PORT
PORT
ID=C1
ID=C3
P=2
P=1
C=1000 pF
C=1000 pF
Z=75 Ohm
Z=75 Ohm
Output IP2
dBm
52.7 53.5 52.5
39.8 40.7 40.8
(+5 dBm)
Output IP3
dBm
dB
CAP
(+5 dBm / tone, 10 MHz spacing)
ID=C2
C=2.2 pF
Noise Figure
Device Bias
CTB
3.9
3.1
3.2
+5V @ 150mA
dBc
dBc
dBc
-71
-48
-65
CSO
XMOD
77 channels, 50-550MHz, +34dBmV/channel flat loading
Circuit Board Material: .062” total thickness with a .028” FR-4 top RF layer, 4 layers (other
layers added for rigidity), 1 oz copper, 75 Microstrip.
Linearityvs. Frequency
Input/OutputReturnLoss
andIsolation
Gain
16
15.5
15
60
0
50
S22
40
-10
14.5
14
30
OIP3
400
OIP2
600
S11
20
10
0
-20
-30
13.5
13
S21-40C S2125C S2185C
S12
800
0
200
400
Frequency(MHz)
IP2andIP3vs. PowerOutat450MHz
600
800
1000
0
200
800
1000
0
200
400
600
1000
Frequency(MHz)
Frequency(MHz)
NoiseFigure
CTB,CSO,andXMODVs.Frequency
-40
5
4
3
2
1
0
55
50
45
40
35
30
25
77ChannelFlatLoading,+34dBmV/Ch.
CSO
-50
-60
-70
-80
IP2
IP3
XMOD
CTB
0
100
200
300
400
500
600
0
200
400
600
800
1000
-4
-2
0
2
4
6
8
10
Frequency(MHz)
Frequency(MHz)
Outputpower(dBm)
Specifications and information are subject to change without notice.
Page 3 of 5 April 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. ]
