70 MHz Low-Loss Filter
Data Sheet
Typical Performance
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
57.5 60 62.5
Horizontal: 2.5 MHz/Div
65 67.5 70 72.5 75 77.5 80 82.5
Vertical: 10 dB/Div
1
25
0
20
-1
15
-2
10
-3
5
-4
0
-5
-5
-6
-10
-7
-15
-8
-20
-9
-25
Horizontal: 600 kHz/Div
67 67.6 68.2 68.8 69.4 70 70.6 71.2 71.8 72.4 73
Vertical: 1 dB/Div
Vertical: 5 deg/Div
4 MHz Bandwidth
Part Number 854658
Parameter
Center Frequency
Insertion Loss at F
o
1 dB Bandwidth
3 dB Bandwidth
40 dB Bandwidth
Passband Ripple
Phase Linearity (70% of 3dB Bandwidth)
Group Delay Variation (70% of 3dB Bandwidth)
Absolute Delay
Substrate Material
Temperature Coefficient
Ambient Temperature
Specifications
Unit
Minimum
MHz
dB
MHz
MHz
MHz
dB
deg
nsec
µsec
-
ppm/°C
°C
69.85
-
3.4
4
-
-
-
-
-
-
-
-
Typical
70
6.8
3.55
4.45
8.25
0.7
4.75
90
0.95
YZ LiNbO
3
-94
25
Maximum
70.15
7.5
-
-
9.1
1
6
150
-
-
-
-
Package Outline
Matching Configuration
Ω
Ω
L1 = 180nH, L2 = 120 nH
Nominal Source/Load Impedance = 50Ω
Package Style SMP-53
11/24/99
Sawtek Inc.
Telephone: (407) 886-8860
Fax: (407) 886-7061
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