型号：KB4 设计类型 : Butterworth Band Pass Filter Number of Pole Pairs : from 2 to 9 (4 to 18 elements) Specify Any Center Freq. (Fo) : from 500Hz to 1GHz VSWR @ Fo: 1.5:1 typically Pinput: 20mW Case Choices include : PCB,1 SMT, SMA or BNC’s Operating Temperature : 0°C to +70°C Terminations : 50?’s : from 100MHz to 1GHz 50?’s or 75?’s : from 300kHz to 100MHz 1K?’s to 50?’s : from 10kHz to 300kHz 10K?’s to 1K?’s : from 500Hz to 10kHz No. of Poles：4 pole pair/8 element Insertion Loss：8.3 to 5.3dB；5.3 to 2.8dB；2.8 to 1.9dB； 1.9 to 1.5dB；1.5 to 1.2dB Fo Range Specify any Fo：from 500Hz to 1GHz -3dBc Bandwidth：>3% to 5%Fo Stopband：-40dBc
