1220MHz SAW Filter
8 MHz Bandwidth
Part Number SF1220BA02521S
Rev X1 1-July-05
Page 1 of 3
ICS SAW Products 324 Clark Street, Worceste r, MA 01606, USA Phone 508-852-5400 Fax 508-852-8456
www.icst.com/saw.aspx
Integrated
Circuit
Systems, Inc.
DESCRIPTION
Miniature 1220 MHz SAW Filter in a 3.8 x 3.8 mm surface mount package which can be used as the IF filter in
cable modem application.
TYPICAL PERFORMANCE
1220MHz SAW Filter
8 MHz Bandwidth
Part Number SF1220BA02521S
Rev X1 1-July-05
Page 2 of 3
ICS SAW Products 324 Clark Street, Worceste r, MA 01606, USA Phone 508-852-5400 Fax 508-852-8456
www.icst.com/saw.aspx
Integrated
Circuit
Systems, Inc.
MAXIMUM RATINGS
Parameter Min Max Units
Operating Temperature Range -85 +85 ºC
Storage Temperature Range -40 +100 ºC
Max. D. C. Voltage between Each Terminal 5 V
SPECIFICATION
Parameter Min Typ Max Units
Center Frequency FC 1220 MHz
Bandwidth (3dB) 8 MHz
Insertion Loss 4.9 dB
Passband Amplitude Ripple 1.4 dB
Stopband Rejection, 0 to 1150 MHz 50 dB
Stopband Rejection, 1150 to 1184 MHz 45 dB
Stopband Rejection, 1290 to 2000 MHz 50 dB
Input VSWR 2.0 --
Output VSWR 2.0 --
Source/Load Impedance 200/200
TEST CIRCUIT
200 Ohm balanced
No matching circuit required
1220MHz SAW Filter
8 MHz Bandwidth
Part Number SF1220BA02521S
Rev X1 1-July-05
Page 3 of 3
ICS SAW Products 324 Clark Street, Worceste r, MA 01606, USA Phone 508-852-5400 Fax 508-852-8456
www.icst.com/saw.aspx
Integrated
Circuit
Systems, Inc.
All specifications are believed to be accurate and reliable. However, ICS reserves the right to make changes without notice.
© 2005 Integrated Circuit Systems, Inc. All rights reserved.
PACKAGE OUTLINE AND SUGGESTED PCB FOOTPRINT