High Dynamic Range Amplifier
AH2
The Communications Edge
TM
Product Information
Single – Ended CATV 75
:
Evaluation Circuit: 50 – 860 MHz (AH2-PCB)
Typical RF Performance at 25
qC
Frequency
S21 – Gain
S11 – Input R.L.
S22 – Output R.L.
Output IP2
(+5 dBm)
CAP
+5 V
ID=C4
C=1000 pF
MHz 100
dB
14.5
dB -11.1
dB
-9.5
dBm
dBm
52.7
39.8
450 860
14.5 13.2
-12.7 -18.3
-22.9 -10.6
53.5
40.7
52.5
40.8
IND
ID=L3
L=270 nH
PORT
P=1
Z=75 Ohm
CAP
ID=C1
C=1000 pF
IND
ID=L1
L=12 nH
SUBCKT
ID=S1
NET="AH2"
CAP
ID=C3
C=1000 pF
PORT
P=2
Z=75 Ohm
Output IP3
(+5 dBm / tone, 10 MHz spacing)
dB
Noise Figure
3.9
3.1
3.2
Device Bias
+5V @ 150mA
CTB
dBc
-71
CSO
dBc
-48
XMOD
dBc
-65
77 channels, 50-550MHz, +34dBmV/channel flat loading
CAP
ID=C2
C=2.2 pF
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.
Linearity vs. Frequency
60
Inpu / O ut R rnLoss
t utp etu
andIsolation
Magnitude (dB)
0
Intercept Point (dBm)
50
40
30
20
10
0
0
200
400
600
800
1000
OIP3
OIP2
Magnitude (dB)
-10
S
11
S
22
-20
-30
0
200
400
600
S
12
800
1000
Frequency (MHz)
F en (M z)
requ cy H
N F
oise igure
CO
S
C , C O andX O V Freq
TB S ,
M D s.
uency
-40
-50
-60
-70
CB
T
77C
hannel F Loading, +34dB V h.
lat
m /C
5
Intercept Point (dBm)
Noise Figure (dB)
4
3
2
1
0
0
200
400
600
800
1000
dBc
XO
MD
-80
0
100
200
300
400
500
600
Freq
uency(M z)
H
Frequ (M z)
ency H
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
£
16
15.5
15
G
ain
14.5
14
S -40C S 25C S 85C
21
21
21
0
200
400
600
800
1000
13.5
13
Frequ (M z)
ency H
IP2 and IP3 vs. Power Out at 450 MHz
55
50
45
40
35
30
25
-4
-2
0
2
4
6
8
10
IP2
IP3
Output power (dBm)
Page 3 of 5 April 2006
WJCI [ WJ COMMUNICATION. INC. ]
