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A high voltage programmable ramp generator
J Upadhyay1, M J Joshi, P P Deshpande
1Laser Electronics Support Section, Raja Ramanna Centre for Advanced Technology, Indore, Madhya Pradesh 452013, India. janky@cat.ernet.in
The Review of Scientific Instruments
|June 3, 2008
Summary
A novel programmable slope ramp generator was developed for automated streak cameras. This high-voltage circuit offers precise control over electron beam deflection speeds, crucial for advanced imaging applications.
Area of Science:
- Electronics
- High-voltage engineering
- Instrumentation
Background:
- Streak cameras require precise control of electron beam deflection for high-speed imaging.
- Existing ramp generators may lack the necessary programmability and speed for advanced applications.
Purpose of the Study:
- To present a novel ramp generator with a programmable slope for automated streak cameras.
- To achieve fast ramp generation with continuous speed variation for electron beam deflection.
Main Methods:
- The design incorporates a high-voltage step generator followed by an integrator circuit.
- Key components, including the capacitor and inductor in the integrator, are microcontroller-adjustable.
- The system is designed to generate bipolar ramps.
Main Results:
- The circuit generates two bipolar ramps with a fastest speed under 1 nanosecond.
- Continuous speed variation from 6 to 30 nanoseconds is achievable for a 500 V ramp.
- The programmable slope allows for fine-tuning of electron beam deflection.
Conclusions:
- The developed ramp generator meets the demanding speed and control requirements for automated streak cameras.
- This technology enables enhanced precision in electron beam deflection, advancing high-speed imaging capabilities.
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