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140 MHz SAW Filter
4.7 MHz Bandwidth
Part Number: SF0140BA02359T
DESCRIPTION
•
•
•
140 MHz SAW bandpass filter with 4.7 MHz bandwidth.
22 x 12.7 mm DIP package.
RoHS compliant.
TYPICAL PERFORMANCE
Horizontal:
Vertical from Top:
Frequency :
Relative Magnitude :
Relative magnitude :
Phase Linearity :
Group Delay Deviation :
S11 (130-150 MHz)
2
10
1
5
100
MHz/div
dB/div
dB/div
deg/div
ns/div
S22 (130-150 MHz)
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0140BA02359T Rev B
ECN 36650
6-Apr-2010
Page 1 of 3
140 MHz SAW Filter
4.7 MHz Bandwidth
Part Number: SF0140BA02359T
SPECIFICATION
Parameter
Center Frequency (FC, 3 dB points)
Insertion Loss (at Fc)
1 dB Bandwidth 2
3 dB Bandwidth 2
40 dB Bandwidth 2
Absolute delay
Group Delay Deviation (in 1 dB BW) 3
Phase Linearity (in 1 dB BW)
Passband Ripple (in 1 dB BW)
Ultimate Rejection
Source/Load Impedance
Ambient Temperature (Tref)
Notes:
1.
2.
3.
4.
Min
139.90
4.70
5.00
50
-
Typ
140.00
22.5
4.96
5.28
6.67
2.30
110
5
0.7
53
50
25
Max
140.10
25
7.00
2.60
180
7
1
-
Units
MHz
dB
MHz
MHz
MHz
us
ns p-p
deg p-p
ns/div
dB
ohms
˚C
-
All specifications apply at 23˚C.
Parameter is measured relative to the insertion loss at 140 MHz.
This parameter is to be measured after application of a smoothing aperture of 250 KHz.
Typical change of filter response with temperature is: ∆f = (T-Tref)*Tc*Fc in ppm.
MAXIMUM RATINGS
Parameter
Storage Temperature Range
Temperature Coefficient of Frequency (Tc) 4
Input Power Level
Min
Typ
Max
Units
-40
-
25
-23
0
85
13
˚C
ppm/˚C
dBm
MATCHING CIRCUIT
1
8
Output
50 Ω
Single-ended
Input
50 Ω
Single-ended
2,7,9,14
GND
GND
Typical component values:
Ls1
Cp1
=
=
37
27
nH
pF
Ls2
=
56
nH
Notes:
1. Recommend use of 2% tolerance matching components. Inductor Q=45.
2. Component values are for reference 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
DSSF0140BA02359T Rev B
ECN 36650
6-Apr-2010
Page 2 of 3
140 MHz SAW Filter
4.7 MHz Bandwidth
Part Number: SF0140BA02359T
PACKAGE OUTLINE
Units: mm
Tolerances are ±0.15 mm except
for the overall length and width,
which are nominal values.
Pin Configuration:
Input:
1
Output:
8
Ground:
2,7,9,14
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
DSSF0140BA02359T Rev B
ECN 36650
6-Apr-2010
Page 3 of 3