ETC 851903

140 MHz Bandpass Filter
1.000 MHz Bandwidth
Part Number 851903
Data Sheet
Typical Performance
Parameter
Typical
Maximum
139.9
140
140.1
dB
-
21.9
24
1 dB Bandwidth
MHz
0.77
0.81
-
3 dB Bandwidth
MHz
1
1.04
-
40 Db Bandwidth
MHz
-
2.04
2.2
Passband Variation
dB
-
0.28
0.5
Phase Linearity
deg
-
1.6
3
Group Delay Variation
nsec
-
100
270
Absolute Delay
Insertion Loss
µsec
-
3.2
-
Ultimate Rejection
dB
50
60
-
Substrate Material
-
-
Quartz
-
°C
-
25
-
Ambient Temperature
Package Outline
140.75
140.6
500
400
300
200
100
0
-100
-200
-300
-400
-500
140.45
140.3
140.15
140
139.85
Horizontal: 150 kHz/Div
Vertical: 1 dB/Div
Vertical: 100 nsec/Div
139.7
139.55
139.4
Specifications
Unit
Minimum
MHz
Center Frequency
139.25
142
141.6
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
141.2
140.8
140.4
139.6
140
Horizontal: 400 kHz/Div
Vertical: 10 dB/Div
139.2
138.8
138.4
138
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
Matching Configuration
No Matching Required
Nominal Source/Load Impedance = 50Ω
Package Style O
11/24/99
Sawtek Inc.
Telephone: (407) 886-8860
Fax: (407) 886-7061