Conventional ultrasonic instrumentation has been designed to provide good performance with conventional piezoelectric transducers that enjoy a high-degree of efficiency when properly coupled to the material.
However, there are techniques and applications where very high voltages and/or long bursts of energy are necessary to produce the desired outcome, including:
- Non-contact techniques such as Electro-Magnetic Acoustic Transducers and air-coupled ultrasound.
- Highly attenuative materials and low-frequency applications.
Innerspec has patented a unique pulser topology that permits outputs in excess of 20kW of power in frequencies ranging from 50kHz to 20MHz. The advantages of these pulsers include:
- Large power density.
- Optimum power over a wide range of frequencies.
- High efficiency (>93%) with minimum heat dissipation needs.
Innerspec uses 8kW and 20kW pulsers in their high-power temate® instrumentation as shown in the table below:
The power output at different frequencies for the 8kW and 20kW pulsers are shown on the tables below:
8kW RF Pulser
Typical output currents and voltages 8Kw RF pulser at 1.5Mhz.
20kW RF Pulser
Typical output currents and voltages 20Kw RF pulser at 1.5Mhz.
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