140 MHz Low-Loss Filter
4 MHz Bandwidth
Part Number SF0140BA03068S
Micro Networks., 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
Rev X1 11-Feb-04
Page 1 of 2
Parameter Min. Typ. Max. Units.
Center Frequency ( Fc) 1 139.6 140.0 140.4 MHz
Insertion Loss 12.5 dB
1 dB Bandwidth 3.4 MHz
3 dB Bandwidth 4.0 MHz
40 dB Bandwidth 9.1 MHz
Passband Ripple 2 1.0 dB p-p
Phase Ripple 2 6 deg p-p
Group Delay Ripple 2 100 ns p-p
Absolute Delay 1.2 us
Ultimate Rejection 40 dB
Temperature Coefficient of Frequency -23 ppm/º C
Substrate Material X-112Y Lithium Tantalate
Source and Load Impedance 50 Ω
Ambient Temperature 25 º C
Notes:
1. Mean Value of 3 dB points. 3dB measured from peak.
2. Measured over 80% of 3 dB Bandwidth
TYPICAL PERFORMANCE
Horizontal: 4.0 MHz/div Vertical (from top): Magnitude 10 dB/div
Magnitude 1 dB/div
Group Delay 100 ns/div
SPECIFICATION