1. ELECTRONICAL SPECIFICATIONS

A. CENTRE FREQUENCY(f.) : 450 KHz±1.0KHz.Max.

B. BAND WIDTH AT 3dB : ±3 KHzMin(TO 390 KHz)

C. BAND WIDTH AT 40dB : ±9 KHzMin(TO 390 KHz)

D. STOP BAND ATTENUATION : 35dBMin(AT f0 ± 18 to ± 33KHz)

E. STOP BAND ATTENUATION : 40dBMin.(AT f.±100KHz)

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

G: RIPPLE : 3.0dBMax.(AT f.±8.0 KHz)

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 .

The company’s main products are frequency components (piezoelectric ceramics, crystals, surface acoustic waves), functional ceramic products

The company was established in 2008, develops and produces frequency components.

Our products are manufactured in accordance with the ISO9002 standard. We are striving to offer you best the quality products, preferential price and first-class services. Moreover, we accept both large and small orders, and can also design and develop products according to customers' special requirements.

We wish to cooperate with all customers around the world. If you are interested in any of our products, please feel free to contact us for more details or visit our website. We are looking forward to receiving your inquiries.