947.5 MHz SAW Filter
25 MHz Bandwidth
Part Number: SF0948BA02589S
Spectrum Microwave, Inc.
400 Nickerson Road, Marlborough, MA 01752, USA
Phone 508-251-6400
Fax 508-251-6401
www.SpectrumMicrowave.com
DSSF0948BA02589S Rev X2 31-Jan-11
Page 1 of 3
DESCRIPTION
• Miniature 947.5 MHz SAW Filter with 25 MHz bandwidth.
• 3 x 3 mm Ceramic LCC package, 6 pads.
• RoHS compliant
TYPICAL PERFORMANCE
S11 (847.5-1047.5 MHz) S22 (847.5-1047.5 MHz)
947.5 MHz SAW Filter
25 MHz Bandwidth
Part Number: SF0948BA02589S
Spectrum Microwave, Inc.
400 Nickerson Road, Marlborough, MA 01752, USA
Phone 508-251-6400
Fax 508-251-6401
www.SpectrumMicrowave.com
DSSF0948BA02589S Rev X2 31-Jan-11
Page 2 of 3
SPECIFICATION
Parameter Min Typ Max Units
Center Frequency F
C
- 947.5 - MHz
Bandwidth 25 30 - MHz
Insertion Loss (935 - 960 MHz) - 2.4 3.0 dB
Amplitude Ripple (935 - 960 MHz) - 1.0 2.0 dB p-p
Attenuation (Reference level from 0 db)
DC to 890 MHz
28 32 - dB
890 to 915 MHz 20 35 - dB
980 to 1025 MHz
15 30 - dB
1025 to 2000 MHz 30 34.5 - dB
Input/Output VSWR (935 - 960 MHz) - 2.0 2.2 dB
Terminating Impedance 50 Ω// 0nF
MAXIMUM RATINGS
Parameter Min Max Units
Storage Temperature Range -40 85 ºC
Operating Temperature Range -30 85 ºC
Input Power Level - +10 dBm
D.C. Voltage - 0 V
MATCHING CIRCUIT
Notes:
1. External matching components are not required.
2. Device is intended to operate in a 50 Ω single ended system.
Input
50 Ω
Single ended
Output
50 Ω
Single ended
2 5
All other pads
GND
GND
947.5 MHz SAW Filter
25 MHz Bandwidth
Part Number: SF0948BA02589S
Spectrum Microwave, Inc.
400 Nickerson Road, Marlborough, MA 01752, USA
Phone 508-251-6400
Fax 508-251-6401
www.SpectrumMicrowave.com
DSSF0948BA02589S Rev X2 31-Jan-11
Page 3 of 3
PACKAGE OUTLINE
SUGGESTED FOOTPRINT
MARKING
Units:
Typical tolerances are ±0.15 mm
except where indicated.
Pad Configuration:
Input: 2
Output: 5
Ground: All other pads
Package Material:
Body: Al
2
O
3
ceramic
Lid: Kovar, Ni plated
Terminations: Au plating 1 µm
min, over a 1.3-8.9 µm Ni
plating
All specifications are believed to be accurate and reliable. However, Spectrum Microwave reserves the right to make changes without notice.
© 2011 All rights reserved.
SMI
2589
YYWW
ISO 9001
Registered