General Crystal Oscillator by Q-Tech Corporation

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The QTCC578 Series from Q-Tech Corporation are Low Phase Noise Crystal Oscillators that operate from 100 to 250 MHz. They provide an LVDS output with a frequency stability from ±25 to ±100 ppm over an operating temperature from -55°C to +125°C and have a phase noise of -150 dBc/Hz at a 10 kHz offset. The oscillators require a DC supply voltage of 2.5/3.3 V and consume a no-load current of less than 60 mA. They have a rise/fall time of 600 ps and start-up time of less than 10 ms.

The QTCC578 Series oscillators are built using a miniature strip AT quartz crystal and are available in hermetically sealed surface-mount ceramic (tape and reel) packages that measure 5 x 7 mm with gold plated contact pads. They are designed for low voltage applications and are ideal for fiber channel, TELECOM, instrumentation, navigation, avionics, ethernet/synchE, SONET, microprocessor clock and other COTS applications.

Product Specifications

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Product Details

  • Part Number
  • Manufacturer
    Q-Tech Corporation
  • Description
    Hermetically Sealed Crystal Oscillators from 100 to 250 MHz

General Parameters

  • Type
    Crystal Oscillator
  • Applications
    Avionics, Telecom, Instrumentation, Navigation, SONET
  • Frequency
    100 to 250 MHz
  • Output Waveform
  • Supply Voltage
    2.5 to 3.3 V
  • Output_Voltage
    0.9 V (Low) / 1.6 V (High)
  • Current
    60 mA
  • Resistance
    100 Ohm (Differential)
  • Startup Time
    10 ms
  • Duty Cycle
    45 to 55 %
  • Fall Time
    600 ps
  • Rise Time
    600 ps
  • Jitter
    2.5 ps (rms) / 2.6 ps (random) / 22 ps (pk-pk)
  • Frequency Stability
    25 to 100 ppm
  • Package Type
    Surface Mount
  • Package
    Hermetically Sealed Ceramic
  • Dimension
    0.15 g to 2.0 g
  • Operating Temperature
    -55 to 125 Degree C
  • Storage Temperature
    -62 to 125 Degree C
  • RoHS

Technical Documents

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