ULTRASOUND TRANSMITTER

• Main Authors: COWELL, David Matthew Joseph, FREEAR, Steven, CARPENTER, Thomas Michael
• Format: Patent
• Language: English; French; German
• Published: 18.10.2023
• Subjects: AMPLIFIERS; APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; BASIC ELECTRONIC CIRCUITRY; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; FOR PERFORMING MECHANICAL WORK IN GENERAL; GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL; GENERATION; METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY; PERFORMING OPERATIONS; PULSE TECHNIQUE; TRANSPORTING

Examples provide a multilevel switched-mode ultrasound transmitter comprising a first push-pull transistor arrangement comprising first and second drive transistors, third and fourth additional switched transistors, each arranged as a bidirectional load switch with a one of the first and second drive transistors, wherein the first drive transistor and associated third additional switched transistor operate in series as a first arm of the first push-pull transistor arrangement, and the second drive transistor and associated fourth additional switched transistor operate in series as a second arm of the first push-pull transistor arrangement, wherein each arm is coupled between a respective polarity instance of a first bipolar drive voltage supply and a common output.