240 MHz SAW Filter
1.23 MHz Bandwidth
Part Number SF0240CD03109S
Rev X2 12-May-05
Page 1 of 3
ICS • SAW Products • 324 Clark Street, Worcester, MA 01606, USA • Phone 1-508-852-54 00 • Fax 1-508-8 52-8456
www.icst.com/saw.aspx
QF12/3
Integrated
Circuit
Systems, Inc.
DESCRIPTION
240 MHz high performance IF SAW Filter in 24.6 x 9 mm LCC package for CDMA 1x Base Station applications.
TYPICAL PERFORMANCE
Horizontal: 0.5 MHz/div Vertical (from top): Magnitude 10 dB/div
Magnitude 1 dB/div
Phase
Deviation 4 deg/div
Horizontal: Start 0 MHz Stop 600 MHz Vertical: 10 dB/div
240 MHz SAW Filter
1.23 MHz Bandwidth
Part Number SF0240CD03109S
Rev X2 12-May-05
Page 2 of 3
ICS • SAW Products • 324 Clark Street, Worcester, MA 01606, USA • Phone 1-508-852-54 00 • Fax 1-508-8 52-8456
www.icst.com/saw.aspx
QF12/3
Integrated
Circuit
Systems, Inc.
SPECIFICATION
Parameter Min Typ Max Units
Center Frequency FC 1 240 MHz
Insertion Loss at FC 12.7 16 dB
1dB Bandwidth 2 1.23 1.40 MHz
10dB Bandwidth 2 1.87 MHz
38dB Bandwidth 2 2.29 2.5 MHz
45dB Bandwidth 2 2.35 4.1 MHz
Passband Ripple, FC +/- 0.615 MHz 0.15 1 dB p-p
Phase Linearity, FC +/- 0.615 MHz 2 8 deg p-p
Stopband Rejection, FC +/- 1.25 MHz to FC +/- 2.05 MHz 38 46 dB
Stopband Rejection, FC +/- 2.05 MHz to FC +/- 220 MHz 45 47.5 dB
Absolute Delay 3.04 µs
Return Loss, FC +/- 0.615 MHz 10 15 dB
Return Loss, FC +/- 0.615 MHz 10 18 dB
Operating Temperature -10 25 +85 ˚C
All electrical specifications apply across the full operating temperature range.
Notes: 1. Defined as the average of the lower and upper 10dB frequencies.
2. dB levels are defined relative to the loss at FC.
MATCHING CIRCUIT
Typical component values:
Ls1 = 52 nH Ls2 = 56 nH
Cp1 = 29 pF Cp2 = 27 pF
Notes:
1. These are the values of the tuning components used in the ICS test fixture to match to 50 ohm.
2. Component values may change depending on board layout.
ISO 9001
Registered
10 5
1 6
240 MHz SAW Filter
1.23 MHz Bandwidth
Part Number SF0240CD03109S
Rev X2 12-May-05
Page 3 of 3
ICS • SAW Products • 324 Clark Street, Worcester, MA 01606, USA • Phone 1-508-852-54 00 • Fax 1-508-8 52-8456
www.icst.com/saw.aspx
QF12/3
Integrated
Circuit
Systems, Inc.
PACKAGE OUTLINE AND SUGGESTED PAD LAYOUT
Units: mm
Pin Configuration:
Input: 10
Input Return: 1
Output: 5
Output Return: 6
Ground: All others
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.
