140 MHz SAW Bandpass Filter
72 MHz bandwidth
Part Number SF0140BA02393S
Integrated
Circuit
Systems, Inc.
Rev X3 20-Apr-05
Page 1 of 2
Integrated Circuit Systems Surface Acoustic Wave Products
TYPICAL PERFORMANCE
Horizontal: 20 MHz/div Vertical (from top): Magnitude 10 dB/div
Magnitude 1 dB/div
Phase Linearity 5 deg/div
SPECIFICATION
Parameter 1Min. Typ. Max. Units.
Center Frequency ( Fc) 2 140 MHz
Insertion Loss at 140 MHz 3 22.5 dB
Lower 1.5 dB Band Edge
Upper 1.5 dB Band Edge
171.00 109.00
MHz
MHz
Lower 3 dB Band Edge
Upper 3 dB Band edge
176.00 104.00
MHz
MHz
Lower 35 dB Band edge
Upper 35 dB band Edge
92.00
187.00
MHz
MHz
Amplitude Variation (109-171 MHz)) 1.5 dB p-p
Phase Linearity (109-171 MHz) 10 deg p-p
Group Delay Variation (109-171 MHz) 100 ns p-p
Rejection (15 to 75 MHz)
(75 to 89 MHz)
(193 to 215 MHz)
(215 to 298 MHz)
45
40
40
40
dB
dB
dB
dB
Source and Load Impedance 50
Substrate Material YZ-LiNbO3
Temperature Coefficient of frequency -90 ppm/º C
Notes: 1. All specifications for a device match to a 50 ohm system impedance.
2. Average of the two 3 dB frequency points.
3. All dB values are referenced to the insertion loss.
324 Clark Street, Worcester, MA 01606, USA Phone 508-852-5400 Fax 508-852-8456
www.icst.com
QF12/3
140 MHz SAW Bandpass Filter
72 MHz bandwidth
Part Number SF0140BA02393S
Integrated
Circuit
Systems, Inc.
Rev X3 20-Apr-05
Page 2 of 2
Integrated Circuit Systems Surface Acoustic Wave Products
PACKAGE OUTLINE
Units: mm
Pad Configuration:
Input: 9
Input return: 10
Output: 4
Output Return: 5
Case Ground: All other pins
MATCHING CIRCUIT
9 4
10 5
Typical component values: Ls1 = 94.3 nH Ls2 = 82 nH
(Minimum inductor Q = 40)
Notes
Recommend use of 2% tolerance components.
Optimum values depend on board layout. Values intended as guide only.
ISO 9001
Registered
324 Clark Street, Worcester, MA 01606, USA Phone 508-852-5400 Fax 508-852-8456
www.icst.com
QF12/3