Using a Triangular Waveform to Synchronize the Operation of an Electronic Circuit
AssigneeMicrosemi Corporation
InventorXiaoping JIN
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Abstract
An electronic circuit exhibiting synchronization with an external synchronization signal, the electronic circuit comprising: an input connection arranged to receive a synchronization input signal; a triangular waveform oscillator operatively associated with the synchronization signal input connection and responsive to a condition of the received synchronization input signal to initiate a triangular waveform; and a pulse train generator operatively associated with the triangular waveform oscillator, the pulse train generator arranged to generate a plurality of pulse trains having a fixed non-zero phase relationship between them and a frequency responsive to the condition of the synchronization input signal.
Claims20
A method of synchronizing the operation of at least one electronic circuit, the method comprising:
- generating a triangular waveform signal responsive to a synchronization signal, said triangular waveform signal exhibiting a fundamental first frequency, said synchronization signal exhibiting a second frequency;
- generating a plurality of pulse trains having a fixed non-zero phase relationship between them, wherein said pulse trains exhibit one of said first frequency and said second frequency;
- and
- modulating a received control signal with said generated plurality of pulse trains to generate a plurality of modulated pulse trains exhibiting said fixed phase relationship and a synchronization with the synchronization signal.
An electronic circuit exhibiting synchronization comprising:
- an input connection arranged to receive a synchronization input signal;
- a triangular waveform oscillator operatively associated with said synchronization signal input connection and responsive to a condition of said received synchronization input signal to initiate a triangular waveform;
- and
- a pulse train generator operatively associated with said triangular waveform oscillator, said pulse train generator arranged to generate a plurality of pulse trains having a fixed non-zero phase relationship between them and a frequency substantially equivalent to one of the free running frequency of said triangular waveform oscillator and the frequency of the received synchronization input signal.
Dependencies are inferred from the claim text.