70 MHz Bandpass Filter
Data Sheet
Typical Performance
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
Horizontal: 400 kHz/Div
68 68.4 68.8 69.2 69.6 70 70.4 70.8 71.2 71.6 72
Vertical: 10 dB/Div
1
250
0
200
-1
150
-2
100
-3
50
-4
0
-5
-50
-6
-100
-7
-150
-8
-200
-9
-250
Horizontal: 100 kHz/Div
69.5 69.669.769.8 69.9 70 70.1 70.270.3 70.4 70.5
Vertical: 1 dB/Div
Vertical: 50 nsec/Div
750 kHz Bandwidth
Part Number 851543
Parameter
Center Frequency
Insertion Loss at f
o
1 dB Bandwidth
3 dB Bandwidth
40 dB Bandwidth
Passband Variation
Phase Linearity
Group Delay Variation
Absolute Delay
Ultimate Rejection
Substrate Material
Ambient Temperature
Specifications
Unit
Minimum
MHz
dB
MHz
MHz
MHz
dB
deg
nsec
µsec
dB
-
°C
69.93
-
0.58
0.75
-
-
-
-
-
50
-
-
Typical
70
18.2
0.61
0.82
1.71
0.2
2
150
3.6
60
Quartz
25
Maximum
70.07
23
-
-
2
0.4
4
300
-
-
-
-
Package Outline
Matching Configuration
L1=272nH, L2 = 264nH
Nominal Values Measured at 70 MHz
Nominal Source/Load Impedance = 50Ω
Package Style O
11/17/99
Sawtek Inc.
Telephone: (407) 886-8860
Fax: (407) 886-7061
