A quick response four decade logarithmic high-voltage stepping supply
Abstract
An improved high-voltage stepping supply, for space instrumentation is described where low power consumption and fast settling time between steps are required. The high-voltage stepping supply, utilizing an average power of 750 milliwatts, delivers a pair of mirror images with 64 level logarithmic outputs. It covers a four decade range of + or - 2500 to + or - 0.29 volts having an output stability of + or - 0.5 percent or + or - 20 millivolts for all line load and temperature variations. The supply provides a typical step setting time of 1 millisecond with 100 microseconds for the lower two decades. The versatile design features of the high-voltage stepping supply provides a quick response staircase generator as described or a fixed voltage with the option to change levels as required over large dynamic ranges without circuit modifications. The concept can be implemented up to + or - 5000 volts. With these design features, the high-voltage stepping supply should find numerous applications where charged particle detection, electro-optical systems, and high voltage scientific instruments are used.
- Publication:
-
NASA STI/Recon Technical Report N
- Pub Date:
- April 1978
- Bibcode:
- 1978STIN...7826376D
- Keywords:
-
- High Voltages;
- Step Functions;
- Voltage Generators;
- Design Analysis;
- Logarithms;
- Power Supplies;
- Responses;
- Spacecraft Instruments;
- Electronics and Electrical Engineering