hanse-john electronic Co.,Ltd.
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1. ELECTRONICAL SPECIFICATIONS
A. CENTRE FREQUENCY(f.) : 455 KHz KHz.Max.
B. BAND WIDTH AT 3dB : 1.0 KHzMin(TO 455 KHz)
C. BAND WIDTH AT 60dB : 3.0 KHzMin(TO 455 KHz)
D. STOP BAND ATTENUATION : 60dBMin(AT 100KHZ to ± 1000KHz)
E. STOP BAND ATTENUATION : 40dBMin.(AT 600KHz TO 700KHZ)
F: STOP BAND ATTENUATION : 60dBMin(AT f0 ±0.1 to ±1 MHz)
G: RIPPLE : 1.5 dBMax.(AT 455 KHz)
H: INSERTION LOSS : 6.0dBMax.(AT THE SMALLEST LOSS)
I: TEMPRATURE COEFFICIENT
OF CENTER FRENQUENCY : ±50 PPM/℃ MAX.(-20 TO +80 ℃)
J: INPUT/OUPUT IMPEDANCE : 2.0 KΩ
NOTE : A) CENTER FREQUENCY SHALL BE DEFIED AS THE CENTRAL
VALUE OF THE BAND WITH AT 6dB
B) TEMPRATURE COEFFICIENT OF CENTER FREQUENCY SHALL
BE DEFINED AS THE AVERAGE OF THE CENTRAL FREQUECY .