70 MHz Filter
1.5 MHz Bandwidth
Part Number
SF0070BA03048S
Micro Networks, 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
Rev X5 12-Feb-04
Page 1 of 2
TYPICAL PERFORMANCE
Horizontal: 1 MHz/div Vertical (from top): Magnitude 10,1 dB/div
Phase Deviation 10 deg/di v
Group Delay Variation 250 ns/div
SPECIFICATION
Parameter Min Typ Max Units
Center Frequency (Fc) 1 69.90 70.00 70.10 MHz
Insertion Loss 8.4 8.75 dB
1 dB Bandwidth 1.0 1.35 MHz
3 dB Bandwidth 1.5 1.69 MHz
36 dB Bandwidth 3.1 3.3 MHz
Passband Ripple 0.8 1.0 dB
Phase Deviation from Linear2 5.7 7.0 deg
Group Delay Variation2 245 425 ns
Absolute Delay 2.1 µs
Substrate LiTaO3 -
Temperature Coefficient of Frequency (Tc)3 -23 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 60% of the 3 dB bandwidth.
3. Typical change of filter frequency response with temperature is ∆f/fref = (T-Tref)*Tc ppm.