· Research direction: high power testing of piezoelectric ceramics.

· Test equipment: signal generator, voltage/current probe, computer, SLA-HVP-437 High Voltage Power Amplifier, digital oscilloscope, laser vibrometer, fixture and piezoelectric ceramic samples, etc.

· Experiment procedure: High-power Testing of Piezoelectric Ceramics with Saluki High Voltage Power Amplifier – SALUKI (salukitec.com)

Renders: 

1.Qm values all decrease with the increase of vibration velocity.

2.Differences in the changing trends of the curves depending on the vibration mode or vibration state.

3.Lead-free piezoelectric ceramics show good stability in the high vibration velocity region.

· Wide range, completely covering the ultrasonic frequency range.

· The amplitude-frequency and phase-frequency characteristics are good, and various signal simulations are provided for ultrasonic experiments.

· A variety of voltage and power options, widely support a variety of ultrasound equipment.

· Multi-channel can be customized, which is convenient for users to build various test environments and complete complex experiments.

· The output impedance matching is adjustable, which is convenient for matching with various ultrasonic probes.

· Input impedance matching can be adjusted, supporting arbitrary waveform generators of mainstream domestic and foreign brands.

· The maximum gain is 60dB, which can amplify the tiny signal and then monitor it, so as to observe the voltage signal more clearly and effectively;

· Independent linear power supply to reduce noise interference;

· Supporting use of university-related experiments to enrich the experimental content;

· The maximum operating frequency point can reach 100MHz, which meets the test requirements at high frequencies;

· The maximum output voltage can reach 2Vpp to meet the monitoring needs;

· Equipment parameters can be customized to meet individual customization needs.

· Wide voltage range, high bandwidth to drive various piezoelectric devices;

· A variety of power options, and can be customized supporting performance;

· Multi-channel combination, can carry out different test options;

· Precise numerical control gain, and excellent amplitude-frequency and phase-frequency characteristics;

· The equipment has its own monitoring port, which can monitor the output voltage and current of the power amplifier in real time and safely;

· The patented design of impedance matching ensures the signal integrity of driving capacitive loads.

· Ultra-high power output, driving various piezoelectric stack models;

· Optional oscilloscope module, which directly displays the output waveform, output voltage and current on the device screen, and the vertical resolution of the module can reach 14 bits;

· The device has flat and wide frequency characteristics and high output stability;

· For more channel requirements, you can choose the master-slave mode, and one master controls multiple slaves;

· The equipment has its own monitoring port, which can monitor the output voltage and current of the power amplifier in real time and safely;

· The gain is adjustable by numerical control, and one-key saves frequently used settings, providing convenient and concise operation options.

· The supporting signal source realizes the amplification of the signal and realizes the improvement of the carrying capacity;

· Output impedance can be customized according to customer needs to ensure output characteristics;

· High power output, excellent amplitude-frequency and phase-frequency characteristics;

· The gain can be adjusted by numerical control, and the frequently used settings can be saved with one key, providing convenient and simple operation options;

· Compatible with major brands of function signal sources and arbitrary waveform signal generators;

· It is used in conjunction with university-related experiments to enrich the experimental content.