44.004 MHz SAW Filter
1.3 MHz Bandwidth
Part Number: SF0044CD02283T
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
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: Frequency : 1.5 MHz/div
Vertical from top: Relative Magnitude : 10 dB/div
Relative magnitude : 1 dB/div
Group Delay Deviation : 150 ns/div
S11 (36.5 to 51.5 MHz) S22 (36.5 to 51.5 MHz)
44.004 MHz SAW Filter
1.3 MHz Bandwidth
Part Number: SF0044CD02283T
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
SPECIFICATION
Parameter Min Typ Max Units
Center Frequency (Fc) 1 - 44.004 - MHz
Insertion Loss (at Fc) 2 - 18.2 19.5 dB
Relative Attenuation (Fc+/-500 kHz) 3- 0.7 1 dB
Relative Attenuation (Fc+/-660 kHz) 3- 2.5 3 dB
Relative Attenuation (Fc+/-900 kHz) 312 16 - dB
Relative Attenuation (Fc+/-1.16 MHz)
3
40 50 - dB
Rejection (10 to 42.84 MHz) 40 50 - dB
Rejection (45.16 to 70 MHz) 40 50 - dB
Group Delay ripple ( Fc+/-650 kHz) 2 - 120 160 ns p-p
Source and Load impedance - 50 - Ω
Substrate Material Quartz
Operating temperature - 25 - ° C
Notes: 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 Min Max Units
Storage Temperature Range -40 85 ˚C
Operating Temperature Range 20 30 ˚C
Input Power Level 10 dBm
MATCHING CIRCUIT
Typical component values:
(Minimum inductor Q = 40)
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.
Ls1 = 0.7-1.4 nH Ls2 = 0.7-1.4 nH
Cp1 = 56 pF Cp2 = 47 pF
12 6
11 5
Input
50 Ω
Single-ended
Output
50 Ω
Single-ended
GND GND
Ls1
C
p
2
Ls2
C
p
1
44.004 MHz SAW Filter
1.3 MHz Bandwidth
Part Number: SF0044CD02283T
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
PACKAGE OUTLINE
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.
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
