专利名称：Amplification circuitry发明人：Philip Alistair Trevelyan申请号：US10457950申请日：20030609
公开号：US20040036531A1公开日：20040226
专利附图：
摘要：Amplification circuitry for driving a load in response to an input signal,comprising: a phase locked loop, for producing a pulse width modulated signal fordriving the load and input circuitry arranged to control the phase locked loop and varythe pulse width modulated signal in response to the input signal.
申请人：NOKIA CORPORATION
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