Application Circuit: 900 MHz
Typical Specifications
Frequency
S21 (dB)
S11 (dB)
S22 (dB)
IP3
Noise Figure
Bias
900 MHz
13.9 dB
-17.4 dB
-16.5 dB
46.2 dBm
3.1 dB
9.0 V
S-Parameters vs Frequency
20
S21
10
0
-10
S22
-20
S11
-30
600
700
800
900
1000
1100
Frequency (MHz)
Noise Figure vs Frequency
6
5
4
3
2
1
0
600
700
800
900
1000
1100
Frequency (MHz)
RF IN
Schematic Diagram
DC Block
0603
C = 56 pF
Match
L1
PIN 1
C1
9V
RF
0603
L = 22 nH
0603
C = 56 pF
0805
C = 1000pF
DC Bias
1206
C = 1.0 µF
By-Pass
PIN 3
DC Block
PIN 2, 4
0603
C = 56 pF
RF OUT
GETEK Board Layout
L1
C1
AH102
C1 = 3.3 pF L1 = 6.8 nH
WJ Communications, Inc. • Phone: 1-800-WJ1-4401 • FAX: 408-577-6620 • e-mail: sales@wj.com • Web site: www.wj.com
March 2002