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Frequent questions

  • [FAQ] Clock Buffers: How to connect the unused pins?

    When a pin on my clock buffer is not being used, what is the correct termination?

  • [FAQ] Clock Buffers: Can my buffer handle an input while it is powered off?

    If my buffer is powered off can an input go into the device without damaging it?

  • [FAQ] RF synthesizers: How to deal with the unused output differential pin in a RF synthesizer?

    I need single-ended output, how to deal with the unused output differential pin?

  • [FAQ] RF synthesizers: Sample programming code for RF synthesizers

    Can TI provide sample code to program RF synthesizers?

  • [FAQ] RF synthesizers: What is MASH order and how to determine the suitable MASH order in RF synthesizers?

    Can you tell me what is MASH order and how to determine the suitable MASH order?

  • [FAQ] RF synthesizers: What is PFD delay and how to determine the value?

    Can you tell me what is PFD delay and how to determine the value?

  • [FAQ] RF synthesizers: Where is the Dean's book?

    I cannot find and download Dean Banerjee's PLL Performance, Simulation, and Design book. Can you tell me where I can get a copy?

  • [FAQ] RF synthesizers: If the datasheet shows all 1’s and 0’s in the register maps, do I have to program them?

    Some registers in the register maps do not have configurable register bits but they are fixed to some 1's and 0's, do we have to program these registers?

  • [FAQ] RF synthesizers: Can I modulate the internal VCO of a RF synthesizer?

    I want to do FM modulation with the internal VCO, is this possible? Can you tell me how to feed the modulation signal to the VCO?

  • [FAQ] How do I design a pulse width modulator (PWM) circuit using LMC555, TLC555, LM555, NA555, NE555, SA555, or SE555?

    Other Parts Discussed in Thread: LM293 How does the PWM example in the data sheet work? What are the limitations of the data sheet PWM example? Is there a way to improve linearity and duty cycle range?

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