Voltage conversion circuit for a laser based distance measuremen

Details Voltage conversion circuit for a laser based distance measuremen Voltage conversion circuit for a laser based distance measuremen

1996-08-23

1998-07-14

Wong, Peter S.

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

323283, 323284, 323288, G05F 110

Patent

active

057809992

ABSTRACT:
A voltage conversion circuit for transforming an input voltage level at an input voltage node to a relatively higher output voltage level at an output voltage node with respect to a common reference voltage node includes an inductor coupling the input voltage node to the output voltage node and a signal source, such as a linear timer integrated circuit ("IC") supplying an output signal having alternating first and second states thereof. A bipolar switch having first and second current carrying terminals and a control terminal thereof has its first current carrying terminal coupled to the output voltage node and its control terminal coupled to receive the output signal from the signal source. An MOS switch having first and second voltage carrying terminals and a gate terminal thereof, has its first voltage carrying terminal coupled to the common reference voltage node, its second voltage carrying terminal coupled to the second current carrying terminal of the bipolar switch and its gate terminal coupled to receive the output signal from the signal source. At least one diode couples the control terminal of the bipolar switch to the reference voltage node.

REFERENCES:
patent: 4709321 (1987-11-01), Trantham
patent: 5349284 (1994-09-01), Whittle
patent: 5418702 (1995-05-01), Marinus et al.

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