SAW DEVICE - FILTER

通訊機用聲表面波濾波器
FILTERS FOR COMMUNICATION EQUIPMENT

型號 Part Number
HDF421M
中心頻率 Nominal Center Frequency (fo) (MHz)
421.9
插入損耗 Insertion Loss (dB)
i) 421.562-422.313MHz
ii) 377.562-380.313MHz
III) 440.012-440.375MHz
IV) 463.562-466.313MHz
I
ff 3.5 max
ff 50 min.
  45 min.
  50 min.
波動 Ripple Deviation(within 422.037-422.313MHz) (dB)
1.5 max
輸入/輸出阻抗 Input/Output Impedance (Nominal)
50//0pF
工作溫度範圍 (Operating Temperature Range:-10C to +50C)

HDF421M
(in mm)
(1) INPUT 輸入
(2)(3) GROUND 接地
(4) OUTPUT 輸出
頻率特性
Frequency Characteristics HDF421M