陶瓷滤波器 LT421AW

1. ELERONICAL SPECIFICATIONS
2. CENTRE FREQUENCY (f。)   :   455KHz&plun;
3. BAND WIDTH AT 6 dB        :  &plun;
4. BAND WIDTH AT 50 dB       :  &plun;
   1. 。&plun;100KHz)
   2. 。&plun;
   3. TEMPRATURE COEFFICIENT

OF CENTER FRENQUENCY   :  &plun;50PPM/℃Max.(-20 TO +80℃)

1. W

TE :  A)  CENTER FREQUENCY SHALL BE DEFIED AS THE CENTRAL

            VALUE OF THE BAND WITH AT 6 dB

B)  TEMPRATURE  COEFFICIENT  OF  CENTER FREQUENCY

    SHALL BE  DEFINED AS THE ERAGE OF THE CENTRAL

                 FREQUECY.