140 MHz Filter
28 MHz Bandwidth
Part Number SF0140CF51935T
Micro Networks., 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
TYPICAL PERFORMANCE
Horizontal: 8.0 MHz/div
Vertical (from top):
Magnitude
Magnitude
Phase
10 dB/div
1 dB/div
5 deg/div
SPECIFICATION
Parameter
Center Frequency ( Fc)
1
Insertion Loss at Fc
1 dB Bandwidth
3 dB Bandwidth
40 dB Bandwidth
Passband Ripple
Phase Ripple
Group Delay Ripple
Absolute Delay
Ultimate Rejection
Temperature Coefficient of Frequency
Substrate Material
Source and Load Impedance
Ambient Temperature
Notes:
1: Mean Value of 3 dB band edges.
Min.
139.75
Typ.
Max.
140.0
140.25
24.8
26.5
26.4
26.8
28
28.4
34.8
36
0.5
0.7
3.0
6
20.0
50
1.04
50
60
-80
128 Lithium Niobate
50
25
Units.
MHz
dB
MHz
MHz
MHz
dB p-p
deg p-p
ns p-p
us
dB
ppm/º C
Ω
ºC
Rev 1.0 30-Oct-02
Page 1 of 2
140 MHz Filter
28 MHz Bandwidth
Part Number SF0140CF51935T
Micro Networks., 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
PACKAGE OUTLINE
Units:
mm
Pin Configuration:
Input:
14
Input Return: 1
Output:
8
Output Return: 7
Ground:
2, 9
MATCHING CIRCUIT
Ls1
14
Input
Cp1
8
Output
1
7
Component values:
Ls1 = 47 nH
Cp1 = 18 pF
(Minimum Q = 45)
Notes
1. Recommend use of 2% tolerance components.
2. Optimum values depend on board layout. Values intended as guide only
Micro Networks
ISO 9001
Registered
Worldwide Headquarters: 324 Clark Street Worcester, MA 01606. tel: 508-852-5400 fax: 508-852-8456
European Sales Headquarters: Hertosingel 20 6214 AD Maastricht, Netherlands. tel: +31-43-32-70912 fax: +31-43-32-70715
www.micronetworks.com
Rev 1.0 30-Oct-02
Page 2 of 2
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