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70 MHz SAW Filter
0.7 MHz Bandwidth
Part Number: SF0070CF51543T
DESCRIPTION
•
•
•
70 MHz SAW bandpass filter with 0.7 MHz bandwidth.
22.1 x 12.7 mm DIP package.
RoHS compliant.
TYPICAL PERFORMANCE
Horizontal:
Vertical from top:
S11 (65-75 MHz)
Frequency :
Relative Magnitude :
Relative magnitude :
Phase Linearity :
Group Delay Deviation :
1
10
1
5
200
MHz/div
dB/div
dB/div
deg/div
ns/div
S22 (65-75 MHz)
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0070CF51543T Rev A 16-Feb-2010
ECN 36650 Page 1 of 3
70 MHz SAW Filter
0.7 MHz Bandwidth
Part Number: SF0070CF51543T
SPECIFICATION
Parameter
Center Frequency, FC 1
Insertion Loss
1 dB Bandwidth 2
3 dB Bandwidth 2
40 dB Bandwidth 2
50 dB Bandwidth 2
Passband Variation 3
Phase Ripple 3
Group Delay Ripple 3
Absolute Delay
Ultimate Rejection
Material Coefficient of Frequency
Source/Load Impedance
Ambient Temperature
Notes:
Min
69.93
0.58
0.70
50
-
Typ
70
18
0.65
0.87
1.77
1.87
0.3
2
160
3.6
60
-0.032
50
25
-
Max
70.07
23
2
0.4
4
300
-
Units
MHz
dB
MHz
MHz
MHz
dB p-p
deg p-p
ns p-p
us
dB
ppm/˚C2
ohms
˚C
-
1. Defined as the average of the lower and upper 3 dB frequencies.
2. All dB levels are defined relative to the insertion loss.
3. Measured over Fc +/- 0.3 MHz.
MAXIMUM RATINGS
Parameter
Storage Temperature Range
Input Power Level
Min
Max
-40
-
85
13
Units
˚C
dBm
MATCHING CIRCUIT
14
8
Input
50 Ω
Single-ended
Output
50 Ω
Single-ended
All other pins
GND
GND
Ls1
=
270
nH
Ls2
=
220
nH
Notes:
1. Recommend use of 2% tolerance matching components. Typical inductor Q = 45.
2. Component values shown are for guidance only and may change depending on board layout
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0070CF51543T Rev A 16-Feb-2010
ECN 36650 Page 2 of 3
70 MHz SAW Filter
0.7 MHz Bandwidth
Part Number: SF0070CF51543T
PACKAGE OUTLINE
Units: mm
Tolerances are typically ±0.15
mm except where indicated.
Pin Configuration:
Input:
Output:
Ground:
14
8
All other pins
ISO 9001
Registered
All specifications are believed to be accurate and reliable. However, Spectrum Microwave reserves the right to make changes without notice.
© 2010 All rights reserved.
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0070CF51543T Rev A 16-Feb-2010
ECN 36650 Page 3 of 3