-2.25
-2
-1.75
-1.5
-1.25
-1
-0.75
-0.5
-0.25
0
0.25
-150
-120
-90
-60
-30
0
30
60
90
120
150
137.5
138
138.5
139
139.5
140
140.5
141
141.5
142
142.5
MHz
dB
MHz
MHz
MHz
dB
deg
nsec
µsec
dB
-
°C
139.85
-
3.7
4
-
-
-
-
-
50
-
-
140
23.3
3.85
4.217
5.54
0.4
1.7
45
2.819
60
Quartz
25
140.15
25
-
-
6
0.7
4
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
135 136 137 138 139 140 141 142 143 144 145
Data Sheet
Typical Performance
Specifications
Package Outline Matching Configuration
Sawtek Inc. Telephone: (407) 886-8860 Fax: (407) 886-7061
L1 = 190 nH L2 = 210 nH C1 = 15 pf
Nomianl Source/Load Impedance = 50Ω
Package Style I 11/24/99
4 MHz Bandwidth
Part Number 851909
140 MHz Bandpass Filter
Vertical: 10 dB/Div
Horizontal: 1 MHz/Div
Vertical: 1 dB/Div
Vertical: 30 nsec/Div
Horizontal: 500 kHz/Div
