70 MHz Bandpass Filter
Data Sheet
Typical Performance
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
67.5 68 68.5
Horizontal: 500 kHz/Div
69 69.5 70 70.5 71 71.5 72 72.5
Vertical: 10 dB/Div
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
69.4
69.25
69.55
25
20
15
10
5
0
-5
-10
-15
-20
-25
70.45
70.6
-
22
69.37
-
-
70.75
0.7
5
-
-
-
65
70.75
1.228 MHz Bandwdith
Part Number 854747-1
Horizontal: 150 kHz/Div
Vertical: 1 dB/Div
Vertical: 5 deg/Div
69.7
69.85
70.15
70.3
70
Parameter
Center Frequency
Insertion Loss at F
o
Lower 1.5 dB Point
Upper 1.5 dB Point
Lower 35 dB Point
Upper 35 dB Point
Passband Ripple
Phase Linearity
1
Ultimate Rejection @
±
0.900 MHz
Triple Transit Suppression
Substrate Material
Temperature Range
Specifications
Unit
Minimum
MHz
dB
MHz
MHz
MHz
MHz
dB
deg
dB
dB
-
°C
-
-
-
70.63
69.25
-
-
-
50
30
-
-5
Typical
70
19
69.355
70.645
69.263
70.737
0.6
2
55
40
Quartz
25
Maximum
Package Outline
Note1) Deviation From Linear Over Center 1.23 MHz Bandwidth
Matching Configuration
L1
≈
280nH, L2
≈
280nH, C1 = 12pF
C2 = 22pF, C3 = 22pF, C4 = 12pF
Nominal Source/Load Impedance = 50
Ω
Package Style 2.875 Inch Bathtub
11/30/99
Sawtek Inc.
Telephone: (407) 886-8860
Fax: (407) 886-7061
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