Klystron/Magnetron, Modulator & High-Voltage Power
LIN 110 provides fundamental and advanced knowledge for servicing high-voltage power systems in medical linear accelerators. This course covers the theory, operation, and maintenance of critical components including klystrons, magnetrons, and their associated modulators. Students will explore pulse-forming networks, thyratrons, solid-state switching devices, and the design principles of high-voltage power supplies. Emphasis is placed on arc detection circuits, safe discharge procedures, and proper lockout/tagout protocols essential for technician safety. Through a combination of lectures, simulated labs, and practical assignments, students will develop the diagnostic and troubleshooting skills necessary to ensure the reliable and safe operation of linac high-voltage systems. This course is vital for aspiring biomedical equipment service technicians.
Course outline
Lectures, virtual labs, and graded assignments — completed in your browser.
Syllabus
# LIN 110 - Klystron/Magnetron, Modulator & High-Voltage Power ## Course Description This course provides a comprehensive understanding of the high-voltage power generation and modulation systems within medical linear accelerators. Students will learn the operational principles, maintenance, and troubleshooting of klystrons, magnetrons, pulse-forming networks, thyratrons, solid-state modulators, and high-voltage power supplies. A strong emphasis is placed on safety, including arc detection systems and safe discharge procedures, to prepare technicians for working with high-energy equipment. ## Learning Outcomes Upon successful completion of this course, students will be able to: * Explain the fundamental principles of klystron and magnetron operation in medical linear accelerators. * Analyze the function and design of pulse-forming networks and various modulator technologies. * Identify and describe the critical components of high-voltage power supplies, including their safety interlocks. * Perform diagnostic procedures to troubleshoot common faults in klystron, magnetron, and modulator circuits. * Demonstrate safe practices for high-voltage system discharge and arc detection circuit verification. * Interpret schematics and technical documentation related to linac high-voltage subsystems. ## Topics by Week * **Week 1:** Introduction to Medical Linac High-Voltage Systems * **Week 2:** Klystron and Magnetron Theory and Operation * **Week 3:** Klystron and Magnetron Maintenance and Safety * **Week 4:** High-Voltage Power Supply Fundamentals * **Week 5:** HVPS Components and Safety Interlocks * **Week 6:** Pulse-Forming Networks (PFNs) * **Week 7:** Thyratron Switches and Associated Circuitry * **Week 8:** Solid-State Modulator Technologies * **Week 9:** Modulator Control and Interlock Systems * **Week 10:** Arc Detection and Protection Circuits * **Week 11:** High-Voltage System Safe Discharge Procedures * **Week 12:** Troubleshooting Modulator and HVPS Faults * **Week 13:** Midterm Review and Practice Scenarios * **Week 14:** Final Exam Review and Comprehensive Troubleshooting ## Grading * Knowledge Checks: 15% * Assignments and Labs: 30% * Quizzes: 25% * Final Exam: 30% ## Policies All assignments must be submitted by the stated deadlines. Academic integrity is paramount; plagiarism and unauthorized collaboration will not be tolerated. Students are expected to adhere to all safety protocols during lab exercises and simulated field service scenarios. Disability accommodations will be provided in accordance with institutional policy; please contact student services for assistance.