Integrated
Circuit
Systems, Inc.
TYPICAL PERFORMANCE
69.99 MHz Bandpass Filter
1.26 MHz bandwidth
Part Number SF0070CD02386S
Horizontal: 1 MHz/div
Vertical (from top):
Magnitude
Magnitude
Phase Deviation
Min.
Typ.
69.99
17
69.33
70.65
69.25
70.73
69.18
70.80
0.5
4.5
16
16
60
38
38
50
50
Quartz
23
10
1
5
dB/div
dB/div
deg/div
Units.
MHz
dB
MHz
MHz
MHz
MHz
MHz
MHz
dB p-p
deg p-p
dB
dB
dB
dB
dB
dB
Ω
ºC
SPECIFICATION
Parameter
1
2
Center Frequency ( Fc)
3
Minimum Insertion Loss
Lower 1.5 dB Band Edge
Upper 1.5 dB Band Edge
Lower 14 dB Band Edge
Upper 14 dB Band Edge
Lower 25 dB Band Edge
Upper 25 dB Band Edge
Passband Ripple (Fc +/- 0.615 MHz)
Phase Linearity (Fc +/- 0.615 MHz)
Input Return Loss @ Fc
Output return Loss @ Fc
Rejection (15 MHz to 61 MHz)
Rejection (61 MHz to 68 MHz)
Rejection (72 MHz to 79 MHz)
Rejection (79 MHz to 140 MHz)
Source and Load Impedance
Substrate Material
Operating temperature Range
Notes:
Max.
20
69.36
70.62
69.21
69.09
70.77
70.89
1.0
8
10
10
40
30
30
40
-10
70
1.
All specifications for a device matched to a 50 ohm system impedance
.
2.
Average of Lower and Upper 3 dB Frequencies
.
3.
All dB values are referenced to the insertion loss
.
Rev X4 10-Dec-04
Page 1 of 2
Integrated Circuit Systems
•
Surface Acoustic Wave Products
324 Clark Street, Worcester, MA 01606, USA
•
Phone 508-852-5400
•
Fax 508-852-8456
www.icst.com
QF12/3
Integrated
Circuit
Systems, Inc.
PACKAGE OUTLINE
69.99 MHz Bandpass Filter
1.26 MHz bandwidth
Part Number SF0070CD02386S
Units: mm
Pin Configuration:
Input: 10
Input Return: 1
Output: 5
Output Return: 6
Ground: 2,3,4,7,8,9
MATCHING CIRCUIT
Component values:
Ls1 = 230 nH
Cp1 = 100 pF
Rp1 = 2.7 KΩ
Ls2 = 176 nH
Lp2 = 47 nH
Rs2 = 3.0 KΩ
(Minimum Q = 45)
Notes
1. Recommend use of 2% tolerance components.
2. Optimum values depend on board layout. Values intended as guide only.
ISO 9001
Registered
Rev X4 10-Dec-04
Page 2 of 2
Integrated Circuit Systems
•
Surface Acoustic Wave Products
324 Clark Street, Worcester, MA 01606, USA
•
Phone 508-852-5400
•
Fax 508-852-8456
www.icst.com
QF12/3
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