140 MHz SAW Low-Loss Filter
12 MHz Bandwidth
Part Number SF0140BA03071S
Integrated
Circuit
Systems, Inc.
Rev X5 21-Apr-05
Page 1 of 2
Integrated Circuit Systems • Surface Acoustic Wave Products
TYPICAL PERFORMANCE
Horizontal: 4 MHz/div Vertical (from top): Magnitude 10,1 dB/div
Group Delay Deviation 100 ns/div
SPECIFICATION
Parameter Min Typ Max Units
Center Frequency ( Fc) 1 139.6 140.0 140.4 MHz
Insertion Loss 10.4 12.5 dB
1 dB Bandwidth 10.2 11.7 MHz
3 dB Bandwidth 12.0 12.7 MHz
35 dB Bandwidth 16.1 21.3 MHz
Passband Ripple 2 0.74 1.0 dB p-p
Phase Ripple 2 10 15 deg p-p
Group Delay Ripple 2 50 120 ns p-p
Absolute Delay 1.0 us
Ultimate Rejection 40 47 dB
Temperature Coefficient of Frequency -90 ppm/ºC
Substrate Material YZ Lithium Niobate
Source and Load Impedance 50 Ω
Ambient Temperature 25 ºC
Notes: 1. Average of lower and upper 3 dB frequencies.
2. Measured over 90% of the 3 dB bandwidth.
3. Typical change of filter frequency response with temperature is ∆f/fref = (T-Tref)*Tc ppm.
324 Clark Street, Worcester, MA 01606, USA • Phone 508-852-5400 • Fax 508-852-8456
www.icst.com
QF12/3
140 MHz SAW Low-Loss Filter
12 MHz Bandwidth
Part Number SF0140BA03071S
Integrated
Circuit
Systems, Inc.
Rev X5 21-Apr-05
Page 2 of 2
Integrated Circuit Systems • Surface Acoustic Wave Products
PACKAGE OUTLINE
Units: mm
Pin Configuration:
Input: 11
Input Return: 12
Output: 5
Output Return: 6
Ground: All other pins
MATCHING CIRCUIT
Ls2 Ls1
11 5
12 6
Component values:
Ls1 = 120 nH Ls2 = 82 nH (Minimum Q = 45)
Notes
1. Recommended component tolerance: 5%
2. Optimum values may change depending on board layout. The values shown here are intended as a 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
