XtalTQ
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Crystal Oscillator Output Waveforms: CMOS, HCMOS, LVCMOS, Sine Wave, LVDS, LVPECL, PECL, TTL, and CML Explained
Crystal Oscillator Output Waveforms: Choosing the Right Signal Type for Precision Timing
Crystal oscillators and frequency control devices are available with many different output waveform and logic formats, including CMOS, HCMOS, LVCMOS, TTL, sine wave, clipped sine wave, PECL, LVPECL, LVDS, and CML. Each output type has unique electrical characteristics, advantages, limitations, voltage requirements, and layout considerations.