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44.004 MHz SAW Filter
1.3 MHz Bandwidth
Part Number: SF0044CD02283T
DESCRIPTION
•
•
•
44.004 MHz SAW bandpass filter with 1.3 MHz bandwidth for CDMA applications..
27.2 x 12.7 mm DIP.
RoHS compliant.
TYPICAL PERFORMANCE
Horizontal:
Vertical from top:
S11 (36.5 to 51.5 MHz)
Frequency :
Relative Magnitude :
Relative magnitude :
Group Delay Deviation :
1.5
10
1
150
MHz/div
dB/div
dB/div
ns/div
S22 (36.5 to 51.5 MHz)
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0044CD02283T Rev A 5-Feb-2010
ECN 36650
Page 1 of 3
44.004 MHz SAW Filter
1.3 MHz Bandwidth
Part Number: SF0044CD02283T
SPECIFICATION
Parameter
Center Frequency (Fc) 1
Insertion Loss (at Fc) 2
Relative Attenuation (Fc+/-500 kHz) 3
Relative Attenuation (Fc+/-660 kHz) 3
Relative Attenuation (Fc+/-900 kHz) 3
Relative Attenuation (Fc+/-1.16 MHz)
Min
12
40
Typ
44.004
18.2
0.7
2.5
16
50
Max
19.5
1
3
-
Units
MHz
dB
dB
dB
dB
dB
Rejection (10 to 42.84 MHz)
Rejection (45.16 to 70 MHz)
Group Delay ripple ( Fc+/-650 kHz) 2
Source and Load impedance
Substrate Material
Operating temperature
40
40
-
50
50
120
50
Quartz
25
160
-
dB
dB
ns p-p
Ω
3
Notes:
-
°C
-
1. Fixed reference. All specified bandwidths are centered at or referenced to this frequency.
2. When matched with optimum component values.
3. With respect to the Insertion Loss.
MAXIMUM RATINGS
Parameter
Storage Temperature Range
Operating Temperature Range
Input Power Level
Min
Max
-40
20
85
30
10
Units
˚C
˚C
dBm
MATCHING CIRCUIT
Ls1
Input
50 Ω
Single-ended
12
6
Cp1
Ls2
Output
50 Ω
Single-ended
Cp2
11
5
GND
GND
Typical component values:
(Minimum inductor Q = 40)
Ls1 =
Cp1 =
0.7-1.4
56
nH
pF
Ls2 =
Cp2 =
0.7-1.4
47
nH
pF
Notes:
1. Variable inductors may be adjusted for minimum insertion loss.
2. Recommended inductors are Coilcraft SLOT-10-3-01 and SLOT-10-3-02.
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0044CD02283T Rev A 5-Feb-2010
ECN 36650
Page 2 of 3
44.004 MHz SAW Filter
1.3 MHz Bandwidth
Part Number: SF0044CD02283T
PACKAGE OUTLINE
Units: mm
Tolerances are ±0.15 mm except
for the overall length, width and
pad dimensions, which are nominal
values.
Pin Configuration:
Input:
18
Input return:
1
Output:
9
Output return:
10
Ground:
2,11
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
DSSF0044CD02283T Rev A 5-Feb-2010
ECN 36650
Page 3 of 3