sf0044ba02641s.pdf

44 MHz SAW Filter
6.5 MHz Bandwidth
Part Number SF0044BA02641S
DESCRIPTION
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44 MHz SAW bandpass filter with 6.5 MHz bandwidth.
13.3 x 6.5 mm ceramic LCC package.
RoHS compliant.
TYPICAL PERFORMANCE
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Spectrum Microwave, Inc.
400 Nickerson Road, Marlborough, MA 01752, USA Phone 508-251-6400 Fax 508-251-6401
www.SpectrumMicrowave.com
DSSF0044BA02641S Rev X2 10-Feb-11
Page 1 of 3
44 MHz SAW Filter
6.5 MHz Bandwidth
Part Number SF0044BA02641S
SPECIFICATION
Parameter
Center Frequency, FC 1
Minimum Insertion Loss 2
Passband Ripple (Fc ± 2.7 MHz)
Absolute Delay
3 dB bandwidth 2
Relative Attenuation (Fc ± 3.6 MHz) 2
Relative Attenuation (Fc ± 4 MHz) 2
Relative Attenuation (Fc ± 7 MHz) 2
Relative Attenuation (26.5 to 37 MHz)
Relative Attenuation (51 to 61.5 MHz)
2
2
Min
6.5
4
14
40
40
40
Source and Load Impedance
Temperature Coefficient
Ambient Temperature
Notes:
Typ
Max
Units
44
MHz
11.5
16
dB
0.9
1.2
dB p-p
1.6
us
6.8
MHz
6
dB
16
dB
46
dB
58
dB
42
dB
50Ω, 2 kΩ//3pF
-94
ppm/˚C
25
˚C
1. Reference frequency. Computed as mean of the 3 dB frequencies.
2. All dB values are referenced to the insertion loss value.
MAXIMUM RATINGS
Parameter
Storage Temperature Range
Operating Temperature Range
Input Power Level
Min
Max
Units
-40
-40
-
85
85
+10
˚C
˚C
dBm
MATCHING CIRCUIT
11
5
Input
50 Ω
Output
2 kΩ//3pF
12
6
L1=220 nH, C1=C2=110 pF, L2=680 nH
Notes:
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Recommend 2% or better tolerance matching components. Typical inductor Q=40.
Optimum values may change depending on board layout. Values shown are intended as a
guide only.
Spectrum Microwave, Inc.
400 Nickerson Road, Marlborough, MA 01752, USA Phone 508-251-6400 Fax 508-251-6401
www.SpectrumMicrowave.com
DSSF0044BA02641S Rev X2 10-Feb-11
Page 2 of 3
44 MHz SAW Filter
6.5 MHz Bandwidth
Part Number SF0044BA02641S
PACKAGE OUTLINE
SUGGESTED FOOTPRINT
SMI
BA02641S
∆ YYDDD
Date code (YY=year, DDD=day)
Pad 1 identifier
Units: mm
Tolerances are typically ±0.15 mm
except where indicated.
Pad Configuration:
Balanced Input : 11,12
Balanced Output : 5,6
Ground: All other pads
Package Material:
Body: Al2O3 ceramic
Lid: Kovar, Ni plated
Terminations: Au plating 1 µm min,
over a 1.3-8.9 µm Ni plating
ISO 9001
Registered
All specifications are believed to be accurate and reliable. However, Spectrum Microwave reserves the right to make changes without notice.
© 2011 All rights reserved.
Spectrum Microwave, Inc.
400 Nickerson Road, Marlborough, MA 01752, USA Phone 508-251-6400 Fax 508-251-6401
www.SpectrumMicrowave.com
DSSF0044BA02641S Rev X2 10-Feb-11
Page 3 of 3