Circuit arrangement for generating a reference current and oscillator circuit having the circuit arrangement
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United States of America Patent
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Aug 29, 2006
Issued Date -
N/A
app pub date -
Aug 31, 2004
filing date -
Mar 1, 2002
priority date (Note) -
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Abstract
A circuit arrangement for generating a reference current and also an oscillator circuit having the circuit arrangement are disclosed the arrangement includes a capacitance connected to an input of a voltage-controlled current source. Two amplifiers having different drive capabilities, between which a switching can be effected, are provided to drive the capacitance. An LC oscillator can be fed with the reference current in a current-controlled manner and at the same time in a particularly low-noise manner.
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