70 MHz Filter
4.5 MHz Bandwidth
Part Number
SF0070BA03054S
Micro Networks, 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
Rev X1 2-Dec-03
Page 1 of 2
TYPICAL PERFORMANCE
Horizontal: 3 MHz/div Vertical (from top): Magnitude 10,1 dB/div
Phase Deviation 10 deg/div
Group Delay Variation 200 ns/div
SPECIFICATION
Parameter Min Typ Max Units
Center Frequency (Fc) 1 69.85 70 70.15 MHz
Insertion Loss 7.2 7.7 dB
1 dB Bandwidth 3.8 4.7 MHz
3 dB Bandwidth 4.5 5.4 MHz
35 dB Bandwidth 7.9 9.0 MHz
Passband Ripple 0.75 1.1 dB
Phase Deviation from Linear2 4.5 7.5 deg
Group Delay Variation2 150 200 ns
Absolute Delay 0.9 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 70% of the 3 dB bandwidth.
3. Typical change of filter frequency response with temperature is ∆f/fref = (T-Tref)*Tc ppm.
70 MHz Filter
4.5 MHz Bandwidth
Part Number
SF0070BA03054S
Micro Networks, 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
Micro Networks
324 Clark Street Worcester, MA 01606. tel: 508-852-5400 fax: 508-852-8456
www.micronetworks.com
Rev X1 2-Dec-03
Page 2 of 2
P
ACKAGE OUTLINE
Units: mm
Pin Configuration:
Input: 11
Output: 5
Ground: 1,2,3,4,6,7,8,9,10,12
MATCHING CIRCUIT
11 5
•
Component values in 50 Ω: Ls1 = 220 nH Ls2 = 150 nH
(Minimum Q = 45)
Notes
Optimum component values may change depending on board layout. The values shown here are intended
as a guide only.
