Fast sweep voltage ramp generator and streak camera using same
First Claim
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1. Fast scanning voltage ramp generator comprising:
- at least one chain of N two-pole avalanche transistors in series and a set of N+1 power supply elements in series, where N is an integer number≧
2, an emitter and base of each transistor being connected to each other and also being connected to a collector of a next transistor in the chain;
an input circuit generating a voltage pulse connected to one of two transistors at ends of the chain, wherein the set of N+1 power supply elements in series is formed by a set of N+1 zener diodes in series between a high voltage power supply and ground, and wherein the collector and the emitter of each transistor in the chain are connected to a cathode and to an anode of a corresponding zener diode through at least one resistance, and are connected to the ground through a corresponding capacitor.
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Abstract
A fast scanning voltage ramp generator including at least one chain of N two-pole avalanche transistors in series and a set of N+1 zener diodes in series between a high voltage power supply and ground, where N is an integer number≧2. A streak camera can utilize this type of generator.
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Citations
12 Claims
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1. Fast scanning voltage ramp generator comprising:
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at least one chain of N two-pole avalanche transistors in series and a set of N+1 power supply elements in series, where N is an integer number≧
2, an emitter and base of each transistor being connected to each other and also being connected to a collector of a next transistor in the chain;
an input circuit generating a voltage pulse connected to one of two transistors at ends of the chain, wherein the set of N+1 power supply elements in series is formed by a set of N+1 zener diodes in series between a high voltage power supply and ground, and wherein the collector and the emitter of each transistor in the chain are connected to a cathode and to an anode of a corresponding zener diode through at least one resistance, and are connected to the ground through a corresponding capacitor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification