140 MHz Bandpass Filter
Data Sheet
Typical Performance
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
Horizontal: 1 MHz/Div
135 136 137 138 139 140 141 142 143 144 145
Vertical: 10 dB/Div
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
138.25
138.95
138.6
125
100
75
50
25
0
-25
-50
-75
-100
-125
141.05
141.75
141.4
27.5
-
-
4.5
0.5
3
100
-
-
-
-
2.5 MHz Bandwidth
Part Number 851906
Horizontal: 350 kHz/Div
Vertical: 1 dB/Div
Vertical: 25 nsec/Div
139.65
140.35
139.3
140
140.7
Parameter
Center Frequency
Insertion Loss
1 dB Bandwidth
3 dB Bandwidth
40 dB Bandwidth
Passband Variation
Phase Linearity
Group Delay Variation
Absolute Delay
Ultimate Rejection
Substrate Material
Ambient Temperature
Specifications
Unit
Minimum
MHz
dB
MHz
MHz
MHz
dB
deg
nsec
µsec
dB
-
°C
139.85
-
2
2.5
-
-
-
-
-
50
-
-
Typical
140
25.6
2.13
2.556
4.2
0.21
1.2
35
2.391
60
Quartz
25
Maximum
140.15
Package Outline
Matching Configuration
L1 = 103 nH , L2 = 105 nH
Nominal Source/Load Impedance = 50Ω
Package Style I
11/24/99
Sawtek Inc.
Telephone: (407) 886-8860
Fax: (407) 886-7061
京公网安备 11010802033920号
EEWORLD
