-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
-500
-400
-300
-200
-100
0
100
200
300
400
500
139.4
139.52
139.64
139.76
139.88
140
140.12
140.24
140.36
140.48
140.6
MHz
dB
MHz
MHz
MHz
dB
deg
nsec
µsec
dB
-
°C
139.9
-
0.47
0.75
-
-
-
-
-
50
-
-
140
20.7
0.57
0.77
1.58
0.25
2
110
3.931
65
Quartz
25
140.1
23
-
-
1.8
0.6
4
240
-
-
-
-
Center Frequency
Insertion Loss at Fo
1 dB Bandwidth
3 dB Bandwidth
40 dB Bandwidth
Passband Variation
Phase Linearity
Group Delay Variation
Absolute Delay
Ultimate Rejection
Substrate Material
Ambient Temperature
Unit
Minimum
Typical
Maximum
Parameter
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
137.5
138
138.5
139
139.5
140
140.5
141
141.5
142
142.5
Data Sheet
Typical Performance
Specifications
Package Outline Matching Configuration
Sawtek Inc. Telephone: (407) 886-8860 Fax: (407) 886-7061
No Matching Required
Nominal Source/Load Impedance = 50 Ω
Package Style O 11/24/99
750 kHz Bandwidth
Part Number 851902
140 MHz Bandpass Filter
Vertical: 10 dB/Div
Horizontal: 500 kHz/Div
Vertical: 1 dB/Div
Vertical: 100 nsec/Div
Horizontal: 120 kHz/Div
