140 MHz Filter
32 MHz Bandwidth
Part Number SF0140CF51937T
Micro Networks., 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
Rev 1.0 22-Nov-02
Page 1 of 2
Parameter Min. Typ. Max. Units.
Center Frequency ( Fc) 1 139.75 140.0 140.25 MHz
Insertion Loss at Fc 24.0 27 dB
1 dB Bandwidth 30 30.9 MHz
3 dB Bandwidth 32 32.8 MHz
40 dB Bandwidth 39.6 40 MHz
Passband Ripple 0.5 0.7 dB p-p
Phase Ripple 3.0 6 deg p-p
Group Delay Ripple 20 40 ns p-p
Absolute Delay 1.05 us
Ultimate Rejection 50 60 dB
Temperature Coefficient of Frequency -96 ppm/º C
Substrate Material YZ Lithium Niobate
Source and Load Impedance 50 Ω
Ambient Temperature 25 º C
Notes:
1: Mean Value of 3 dB band edges.
TYPICAL PERFORMANCE
Horizontal: 10 MHz/div Vertical (from top): Magnitude 10 dB/div
Magnitude 1 dB/div
Group Delay 50 ns/div
SPECIFICATION
140 MHz Filter
32 MHz Bandwidth
Part Number SF0140CF51937T
Micro Networks., 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
Micro Networks
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 22-Nov-02
Page 2 of 2
PACKAGE OUTLINE
Units: mm
Pin Configuration:
Input: 14
Input Return: 1
Output: 8
Output Return: 7
Ground: 2, 9
MATCHING CIRCUIT
Component values :
Ls1 = 56 nH Ls2 = 39 nH (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
Ls2Ls1
14 8
1 7
Output
Input
