140.0 MHz Filter
1.5 MHz Bandwidth
Part Number SF0140CF51904T
Micro Networks, 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
Rev 1.1 10-Jan-03
Page 1 of 2
TYPICAL PERFORMANCE
Horizontal: 2.0 MHz/div Vertical (from top): Magnitude 10 dB/div
Magnitude 1 dB/div
Group Delay 100 ns./div
SPECIFICATION
Parameter Min. Typ. Max. Units.
Center Frequency ( Fc) 1 139.9 140.0 140.1 MHz
Insertion Loss at Fc 23.5 25 dB
1 dB Bandwidth 1.2 1.27 MHz
3 dB Bandwidth 1.5 1.53 MHz
40 dB Bandwidth 2.55 2.7 MHz
Passband Ripple 0.25 0.4 dB p-p
Phase Ripple 2.0 3 deg p-p
Group Delay Ripple 50 150 ns p-p
Absolute Delay 3.17 us
Ultimate Rejection 50 55 dB
Substrate Material Quartz
Source and Load Impedance 50 Ω
Ambient Temperature 25 º C
Notes:
1: Mean value of the 3 dB band edges.
140.0 MHz Filter
1.5 MHz Bandwidth
Part Number SF0140CF51904T
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 1.1 10-Jan-03
Page 2 of 2
PACKAGE OUTLINE
MATCHING CIRCUIT
Units: mm
Pin Configuration:
Input: 18
Input Return: 1
Output: 10
Output Return: 9
Ground: 2,11
18 10
1 9
Ls2
Ls1
Output
Input
ISO 9001
Registered
Component values:
Ls1 = 33 nH Ls2 = 18 nH (Minimum Q = 45)
Notes
1. Recommend use of 2% tolerance components.
2. Optimum values depend on board layout. Values intended as guide only.
