70 MHz Low-Loss Filter
4 MHz Bandwidth
Data Sheet
Part Number 854658
Typical Performance
10
0
1
25
20
15
10
5
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-1
-2
-3
-4
-5
-6
-7
-8
-9
0
-5
-10
-15
-20
-25
Horizontal: 2.5 MHz/Div
Horizontal: 600 kHz/Div
57.5 60 62.5 65 67.5 70 72.5 75 77.5 80 82.5
67 67.668.268.869.4 70 70.671.271.872.4 73
Vertical: 10 dB/Div
Vertical: 1 dB/Div
Vertical: 5 deg/Div
Specifications
Unit Minimum
Parameter
Typical
70
Maximum
Center Frequency
Insertion Loss at Fo
1 dB Bandwidth
3 dB Bandwidth
40 dB Bandwidth
Passband Ripple
MHz
69.85
70.15
dB
-
3.4
4
-
6.8
7.5
MHz
MHz
MHz
dB
3.55
4.45
8.25
0.7
-
-
9.1
-
1
Phase Linearity (70% of 3dB Bandwidth)
Group Delay Variation (70% of 3dB Bandwidth)
Absolute Delay
deg
-
4.75
90
6
nsec
µsec
-
-
150
-
0.95
YZ LiNbO3
-94
-
-
-
-
Substrate Material
-
Temperature Coefficient
ppm/°C
°C
-
Ambient Temperature
-
25
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