Ceramic 455KHz Oscillator Surface Acoustic Wave Resonator

1. ELECTRONICAL SPECIFICATIONS

A. CENTRE FREQUENCY(f.) : 455KHz±1.0KHz.Max.

B. BAND WIDTH AT 3dB : ±6.5KHzMin(TO 455KHz)

C. BAND WIDTH AT 50dB : ±15KHzMin(TO 455KHz)

D. STOP BAND ATTENUATION : 55dBMin(AT f0 ± 18 to ± 33KHz)

E. STOP BAND ATTENUATION : 50dBMin.(AT f.±100KHz)

F: STOP BAND ATTENUATION : 20dBMin(AT f0 ±0.1 to ±1 MHz)

G: RIPPLE : 3.0dBMax.(AT f.±6.5KHz)

H: INSERTION LOSS : 4.0dBMax.(AT THE SMALLEST LOSS)

I: TEMPRATURE COEFFICIENT

OF CENTER FRENQUENCY : ±50 PPM/℃ MAX.(-20 TO +80 ℃)

J: INPUT/OUPUT IMPEDANCE : 1.5KΩ

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 .

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