70 MHz Filter
20 MHz Bandwidth
Part Number SF0070CF51848T
Micro Networks., 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
Rev 1.1 27-Jan-03
Page 1 of 2
Parameter Min. Typ. Max. Units.
Center Frequency ( Fc) 1 69.8 70.0 70.2 MHz
Insertion Loss at Fc 25.2 27.0 dB
1 dB Bandwidth 19.3 19.4 MHz
3 dB Bandwidth 20 20.7 MHz
40 dB Bandwidth 25.1 25.4 MHz
Passband Ripple 0.4 0.7 dB
Phase Ripple 2 4 deg p-p
Group Delay Ripple 30 45 ns p-p
Absolute Delay 1.25 us
Ultimate Rejection 50 55 dB
Substrate Material 128 Lithium Niobate
Ambient Temperature 25 ยบ C
Notes:
1: Mean Value of 3 dB points
2: A smoothing aperture of 250 kHz may be applied to Group Delay Ripple measurement
TYPICAL PERFORMANCE
Horizontal: 5.0 MHz/div Vertical (from top): Magnitude 10 dB/div
Magnitude 1 dB/div
Phase 5 deg/div
SPECIFICATION
70 MHz Filter
20 MHz Bandwidth
Part Number SF0070CF51848T
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 27-Jan-03
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
ISO 9001
Registered
Component values:
Ls1 = 276 nH (Minimum Q = 45)
Notes
1: Recommend use of 2% tolerance components.
2: Optimum Values depend on board layout. Values intended as guide only.
14 8
1 7
Ls1
Output
Input
