70 MHz Filter
5 MHz Bandwidth
Part Number
SF0070BA03055S
Micro Networks, 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.icst.com
Rev X3 4-May-04
Page 1 of 2
TYPICAL PERFORMANCE
Horizontal: 3 MHz/div Vertical (from top): Magnitude 10,1 dB/div
Phase Deviation 5 deg/div
Group Delay Deviation 200 ns/div
SPECIFICATION
Parameter Min Typ Max Units
Center Frequency (Fc) 1 69.8 70 70.2 MHz
Insertion Loss 7.3 8 dB
1 dB Bandwidth 4.35 4.7 MHz
3 dB Bandwidth 5 5.6 MHz
35 dB Bandwidth 8.7 9.3 MHz
Passband Ripple 0.65 1 dB
Phase Deviation from Linear2 3 9.5 deg
Group Delay Variation2 65 125 ns
Absolute Delay 0.96 µs
Substrate LiNbO3 -
Temperature Coefficient of Frequency (Tc)3 -90 ppm/°C
Ambient Temperature 25 °C
System Source and Load Impedance 50 Ω
Notes: 1. Average of lower & upper 3 dB frequencies.
2. Evaluated over 80% of the 3 dB bandwidth.
3. Typical change of filter frequency response with temperature is ∆f/fref = (T-Tref)*Tc ppm.