141 MHz Filter
1.25 MHz Bandwidth
Part Number
SF0141CD03092S
Micro Networks Corp., 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.icst.com
TYPICAL PERFORMANCE
Horizontal: 0.5 MHz/div
Vertical (from top): Magnitude 10 dB/div
Magnitude
1 dB/div
Phase
4 deg/div
SPECIFICATION
NOTE – All electrical specifications apply over the whole of the operating temperature range.
Parameter
Center Frequency, Fc
Insertion Loss at Fc
1 dB Bandwidth
1
Attenuation at 141 ± 1.25 MHz
1
Stopband Rejection, 70 – 139.5 MHz
1
Stopband Rejection, 139.5 – 139.75 MHz
1
Stopband Rejection, 142.25 – 142.5 MHz
1
Stopband Rejection, 142.5 – 202.25 MHz
1
Return Loss at Input and Output, 141 ± 0.625 MHz
2
Passband Amplitude Ripple, 141 ± 0.625 MHz
3
Phase Linearity, 141 ± 0.625 MHz
Source and Load Impedance
Operating Temperature Range
Notes:
Min
38
42
38
38
42
10
Typ
141
11.7
1.21
44
50
45
44
48
15
0.65
2.8
50
Max
14
1.0
4.0
+85
-10
Units
MHz
dB
MHz
dB
dB
dB
dB
dB
dB
dB p-p
deg p-p
Ω
°
C
1. All dB levels in this specification are to be measured relative to the average level across the pass band.
2. When matched using external components as described below.
3. Does not include roll-off at band edges.
Micro Networks Corporation
Worldwide Headquarters: 324 Clark Street Worcester, MA 01606. tel: 508-852-5400 fax: 508-852-8456
www.icst.com
Rev X3 4-May-04
Page 1 of 2
QF12/2
141 MHz Filter
1.25 MHz Bandwidth
Part Number
SF0141CD03092S
Micro Networks Corp., 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.icst.com
PACKAGE OUTLINE
Units:
mm
Pin Configuration:
Input:
1
Input Return: 10
Output:
6
Output Return: 5
Ground:
2, 3, 4, 7, 8, 9
MATCHING CIRCUIT
Ls1
1
Cp1
10
Component values in the Micro Networks test fixture:
Ls1 = 120 nH
Cp1 = 51 pF
5
6
Cp2
Ls2
Ls2 = 110 nH
Cp2 = 56 pF
Notes:
1. Component values may change depending on board layout.
2. 2% components or better are recommended in order to meet the return loss specification over the full
operating temperature range.
ISO 9001
Registered
Micro Networks Corporation
Worldwide Headquarters: 324 Clark Street Worcester, MA 01606. tel: 508-852-5400 fax: 508-852-8456
www.icst.com
Rev X3 4-May-04
Page 2 of 2
QF12/2
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