Frequency Device
  • High Frequency of resonator and filter

  • Frequency range from 1MHz to 50 MHz
Main characteristics of Piezoelectric Materials for the use of resonator and filter

Type number
Electro Mechanical
 Coupling Coefficient
Mechanical
Quality Factor
Dielectric Constant
£`T33
Frequency Temperature Coefficient
(x10-6/¢J)
Applicable for
Kp(%)
Kt(%)
Kt3(%)
K15
Qm
Qmt3
PT-1
<10
18
16
   
3000
290
30
High frequency
(13-60MHz)
resonators and filters
PsrN-1
40
38
   
500
 
1000
50
4.5-10.7MHz filters
and resonators
PZT-10
50
   
40
600
 
900
50
2-8MHz shear mode resonators


Ceramic sheets for the use of resonator and filter

Material Type Dimension (mm) Frequency Range Mode of Vibration
PT-1 30 x 20 x 0.7 12MHz - 50MHz Thickness 3rd overtone mode
PsrN-1 30 x 20 x 0.6 5MHz - 12MHz Thickness longitudinal mode
PZT-10 30 x 20 x 7.2
30 x 20 x 6.5
1.8MHz - 8.0MHz Thickness shear mode

Copyright by Hong Kong Piezo Co Ltd. 2003
 Address¡GFlat 15, 9/F., Block A, Veristrong Industrial Centre, 34-36 Au Pui Wan Street, Fo Tan, N.T., Hong Kong.

 E-mail ¡Ginfo@hkpiezo.com    Tel¡G¡]852¡^2694 1029
 Website¡Ghttp://www.hkpiezo.com    Fax¡G¡]852¡^2690 3635