SAW DEVICE - FILTER

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

型號 Part Number
HDF254M
中心頻率 Nominal Center Frequency (fo) (MHz)
254.4
插入損耗 Insertion Loss (dB)
i) 253.850-254.975MHz
ii) 209.850-212.975MHz
III) 295.850-298.975MHz
I
ff 3.0 max
ff 57 min.
  57 min.
波動 Ripple Deviation(253.850-254.975MHz) (dB)
1.5 max
輸入/輸出阻抗 Input/Output Impedance (Nominal)
50//0pF

用於小功率無線電話
For Small Electric
Power cordless
Phone HDF 254M
(in mm)
(1) INPUT 輸入
(2)(3) GROUND 接地
(4) OUTPUT 輸出