70 MHz SAW Filter
2 MHz Bandwidth
Part Number SF0070BA03049S
Integrated
Circuit
Systems, Inc.
DESCRIPTION
70 MHz low loss SAW filter in 19 x 6.5 mm LCC package for general communications applications.
TYPICAL PERFORMANCE
65 70 75
Vertical from top: Relative Magnitude : 10 dB/div
Relative Magnitude : 1 dB/div
Phase Linearity : 10 deg/div
Group Delay Deviation: 200 ns/dev
MAXIMUM RATING
Parameter Min Max Units
Operating Temperature Range 0 70 ˚C
Storage Temperature Range -40 85 ˚C
Input Power Level 13 dBm
Rev - 9-Sep-05
Page 1 of 3
ICS • SAW Products • 324 Clark Street, Worcester, MA 01606, USA • Phone 508-852-5400 • Fax 508-852-8456
www.icst.com/saw.aspx
QF12/3
70 MHz SAW Filter
2 MHz Bandwidth
Part Number SF0070BA03049S
Integrated
Circuit
Systems, Inc.
Rev - 9-Sep-05
SPECIFICATION
Parameter 2Min. Typ. Max. Units.
Center Frequency ( Fc) 1 69.92 70.0 70.08 MHz
Insertion Loss 7.9 8.3 dB
1 dB Bandwidth 1.6 1.77 MHz
3 dB Bandwidth 2.0 2.24 MHz
40 dB Bandwidth 3.75 3.9 MHz
Passband Ripple (69.2 to 70.8 MHz) 0.7 1.0 dB p-p
Phase Ripple (69.2 to 70.8 MHz) 4.4 6 deg p-p
Group Delay Ripple (69.2 to 70.8 MHz) 280 340 ns p-p
Absolute Delay 1.80 us
Ultimate Rejection 40 43 dB
Temperature Coefficient of Frequency -23 ppm/ºC
Substrate Material 112 LiTaO3
Source and Load Impedance 50 Ω
Ambient Temperature 25 ºC
Notes: 1. Average of the lower and upper 3 dB band edge frequencies.
2. All dB levels are referenced to the insertion loss.
3. Specifications are guaranteed at 25ºC only.
PACKAGE OUTLINE
Units: mm
Tolerances are typically ±0.15 mm
except for the overall length and
width, which are nominal.
Pin Configuration:
Input: 10
Input Return: 1
Output: 5
Output Return: 6
Ground: 2,3,4,7,8,9
Page 2 of 3
ICS • SAW Products • 324 Clark Street, Worcester, MA 01606, USA • Phone 508-852-5400 • Fax 508-852-8456
www.icst.com/saw.aspx
QF12/3
70 MHz SAW Filter
2 MHz Bandwidth
Part Number SF0070BA03049S
Integrated
Circuit
Systems, Inc.
Rev - 9-Sep-05
MATCHING CIRCUIT
10 5
1 6
Input
50 Ω
Single ended
Output
50 Ω
Single ended
Typical component values:
(Minimum inductor Q = 40) Ls1 = 180 nH Ls2 = 180 nH
Lp1 = 68 nH Lp2 = 56 nH
Notes:
1. Recommend use of 2% tolerance matching components.
2. Component values may change depending on board layout.
ISO 9001
Registered
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.
Page 3 of 3
ICS • SAW Products • 324 Clark Street, Worcester, MA 01606, USA • Phone 508-852-5400 • Fax 508-852-8456
www.icst.com/saw.aspx
QF12/3
