Switching mode DC/DC power converter for delivering a direct current to a pulse radar unit
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United States of America Patent
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May 21, 2019
Grant Date -
Jan 12, 2017
app pub date -
Jan 23, 2014
filing date -
Jan 23, 2014
priority date (Note) -
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Abstract
A switching mode DC/DC power converter for delivering a direct current to a pulse radar unit. A first switching element connects and disconnects the power converter from a power source in each cycle of the power converter. An inductor charges and discharges in each cycle. A capacitor maintains a DC output voltage as the inductor charges and discharges in each cycle. A second switching element transfers energy from the inductor to the capacitor when the first switch disconnects the switching mode power converter from the power source. A control loop regulates the voltage with a time constant, to a predetermined value by controlling the first switching element. An on time for the first switching element in each cycle is chosen to allow the current through the inductor to fall to zero in each cycle. The cycle is shorter than RF pulse duration and time constant of the control loop is longer than the RF pulses.
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