-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
-75
-60
-45
-30
-15
0
15
30
45
60
75
138
138.4
138.8
139.2
139.6
140
140.4
140.8
141.2
141.6
142
MHz
dB
MHz
MHz
MHz
dB
deg
nsec
µsec
dB
-
°C
139.85
-
2.4
3
-
-
-
-
-
50
-
-
140
25.5
2.62
3.06
4.65
0.22
0.9
35
2.462
55
Quartz
25
140.15
27.5
-
-
5
0.5
3
90
-
-
-
-
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
132.5
134
135.5
137
138.5
140
141.5
143
144.5
146
147.5
Data Sheet
Typical Performance
Specifications
Package Outline Matching Configuration
Sawtek Inc. Telephone: (407) 886-8860 Fax: (407) 886-7061
L1 = 107nH, L2 = 118nH
Nominal Source/Load Impedance = 50Ω
Package Style I 11/24/99
3 MHz Bandwidth
Part Number 851907
140 MHz Bandpass Filter
Vertical: 10 dB/Div
Horizontal: 1.5 MHz/Div
Vertical: 1 dB/Div
Vertical: 15 nsec/Div
Horizontal: 400 kHz/Div
