SAW Filter for Pager Applications

 

Marking NDF139 NDF147 NDF155 NDF163 NDF171 NDF280 NDF465 NDF930
Center Frequency(MHz) 139.0 147.0 155.0 163.0 171.0 281.0 465.0 930.5
.-3dB Bandwidth(MHz) 4.0 4.0 4.0 4.0 4.0 3.0 3.0 2.0
Insertion Loss(dB)  
fc-100MHz to fc-38.8NHz 50min. 50min. 50min. 50min. 50min. 50min. 50min. 50min.
fc 4.0MHz 6.5max 6.5max. 6.5max. 6.5max. 6.5max.  
fc 3.0MHz   4.5max. 3.5max.  
fc 2.0MHz   4.5max.
fc+38.8MHz to Fc+100MHz 50min. 50min 50min. 50min. 50min. 50min. 50min. 50min.
fc 38.8MHz to fc x 2.5 42min. 42min 42min. 42min. 42min. 42min. 42min. 42min.
Input/Output Impedance(pF) 210-13.3 210-12.1 210-12.3 210-11.0 210-10.9 1500 1500 5010nH
Package                                        F-11        QCC8C