An impedance analyzer can measure and evaluate to match the circuit.
For piezoelectric ceramics, you can directly judge the pros and cons of the device from the admittance circle diagram and logarithmic coordinates.If the ceramic wafer is delaminated or cracks appear, the logarithmic curve will appear multimodal, and the admittance circle diagram will appear multiple. Parasitic small circles.
Whether the design, processing and assembly of the horn is reasonable or defective can be clearly seen directly on the guide circle chart.
|Measure Items||Resonance Frequency: Fs|
|Half Power Frequency: F1 and F2|
|Maximum real admittance at Fs: Gmax|
|Dynamic Resistance: R1|
|Anti resonance frequency: Fp|
|Mechanical quality factor: Qm|
|Free capacitance: CT|
|Dynamic inductance: L1|
|Dynamic capacitance: C1|
|Static capacitance: Co|
|electromechanical coupling coefficient: Keff and Kp|
|Maximum real impedance at Fp: Zmax|
|G-B (admittance circle coordinate)|
|R-X (impedance circle coordinate)|
Size of LCD Screen: 8-inch screen
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