-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
-175
-140
-105
-70
-35
0
35
70
105
140
175
138.5
138.8
139.1
139.4
139.7
140
140.3
140.6
140.9
141.2
141.5
MHz
dB
MHz
MHz
MHz
dB
deg
nsec
µsec
dB
-
°C
139.88
-
1.65
2
-
-
-
-
-
50
-
-
140
23.8
1.75
2.071
3.6
0.28
1.6
45
2.7
60
Quartz
25
140.12
26
-
-
3.9
0.6
3
120
-
-
-
-
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
Unit
Minimum
Typical
Maximum
Parameter
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
137
137.6
138.2
138.8
139.4
140
140.6
141.2
141.8
142.4
143
Data Sheet
Typical Performance
Specifications
Package Outline Matching Configuration
Sawtek Inc. Telephone: (407) 886-8860 Fax: (407) 886-7061
L1 = 50 nH , L2 = 63 nH
Nominal Source/Load Impedance = 50Ω
Package Style I 11/24/99
2 MHz Bandwidth
Part Number 851905
140 MHz Bandpass Filter
Vertical: 10 dB/Div
Horizontal: 600 kHz/Div
Vertical: 1 dB/Div
Vertical: 35 nsec/Div
Horizontal: 300 kHz/Div
