Analog pseudo random bit sequence generator
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United States of America Patent
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Apr 10, 2012
Grant Date -
Nov 27, 2008
app pub date -
May 23, 2007
filing date -
May 23, 2007
priority date (Note) -
Expired
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Abstract
A Pseudo Random Bit Sequence (PRBS) generator is provided with components to enable operation at very high microwave frequencies with inexpensive components. The PRBS generator initially replaces the D flip-flops of a conventional PRBS generator with delay lines connected in a similar manner. Further, an exclusive OR (EXOR) gate used in a conventional device is replaced in one embodiment by a mixer and amplifier. In another embodiment, the EXOR gate is replaced by a Gilbert Cell. In some embodiments, complementary outputs of an EXOR gate are connected to separate delay lines to reduce components needed for the PRBS generator.
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