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TL494: Synchronization of Oscillator

masahiko shimizu
Guru 11235 points
Part Number: TL494

Hi,

Can TL494 do synchronization of internal oscillator with another device?
I image circuit below.

Best regards,
Shimizu

  • 0
    TI__Mastermind 34465 points
    Hello Shimizu,
    Yes that is how the datasheet recommends how to synchronise two parts: Connect RT to VREF and provide a saw tooth to CT.
    You may need to buffer the master CT waveform in case the pcb trace picks up noise or the slave loads the master oscillator.
    Regards
    John