Best of Class CMOS VCXO 30-170 MHz
Discontinued Products are limited to existing inventory.
The 5078 series are CMOS output VCXO ICs that provide a wide frequency pulling range. They employ bipolar oscillator circuit and recently developed varicap diode fabrication process that provides a low phase noise characteristic and a wide frequency pulling range without any external components. Enable High or Low by selecting bond pads. The 5078 series are ideal for wide pulling range, low phase noise, VCXO modules. Operating temperature range is -40°C to 105°C
Key Features
  • VCXO CMOS output for frequency range of 30-170 MHz
  • Efficient varactor improves phase noise and pulling range
  • Operating supply voltage range: 2.97 to 3.63V
  • Oscillator frequency range (fundamental oscillation):
    • 60 to 100 MHz (Ax version)
    • 100 to 170 MHz (Bx version)
  • Output frequency divider selectable by version: f0, f0/2
  • Wide frequency pulling range (typical): (±130ppm) fOUT=155 MHz
  • Low phase noise: -125 dBc/Hz@1 kHz Offset fOUT=155 MHz
    • -158 dBc/Hz@10 MHz Offset
  • Standby function: High impedance in Standby mode (LOW), oscillator stops
  • 50±5% output duty (1/2VDD)
  • 15pF output load capacitance
  • -40 to +85°C operating temperature range
  • Increase designs with:
    • Excellent phase noise
    • Small board space required
    • Low power
    • Good cost
Typical Applications
  • Ethernet (Gb)
  • Internet infrastructure
  • Fiber Communications

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