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  4. GEYER Electronic — Temperature Compensated Crystal Oscillators (TCXOs)

GEYER Electronic — Temperature Compensated Crystal Oscillators (TCXOs)

GEYER Electronic

 

GEYER Quartz Technology/Frequency Control Products: Temperature Compensated Crystal Oscillators with Voltage Control option (TCXO/VCTCXO)

Offered in different frequency ranges and tolerances

The GEYER (TCXO/VCTCXO) are ultra-miniature, Sinewave, Clipped Sinewave, and HCMOS high precision Frequency Control Devices featuring +/-0.5ppm frequency stability @ -40c to +85c operating temperate range.

These GPS compatible products are an excellent option for any RF application.

Features

The GEYER Electronic TCXO Clipped Sinewave Product Families include:

  • KXO-84
  • KXO-86
  • KXO-81
  • KXO-88

Frequency range:

  • 9.5Mhz to 52Mhz available

Supply current available:

  • 2.0mA to 2.5mA max

Phase noise:

  • -75 dBc/Hz at 10 Hz
  • -105 dBc/Hz at 100 Hz
  • -125 dBc/Hz at 1 kHz
  • -145 dBc/Hz at 10 kHz
  • -150 dBc/Hz at 100 kHz
  • -150 dBc/Hz at 1 MHz

 

Footprints available:

  • 3225
  • 2520
  • 2016
  • 1612
  • All Ceramic SMD 4 pad

Frequency stability:

  • +/-0.5ppm @ -40c to +85c

Supply voltage available:

  • 1.8v DC to 3.3v
  • DC +/-5%

Harmonics:

  • -7.0 dBc

Applications

  • Wearables
  • Fitness Monitors
  • Smart Meters
  • Gas Water Electric
  • Asset Tag
  • Remote Access
  • RFID

 

  • Commercial Home Security
  • Traffic Safety
  • Laser Sensors
  • Vehicle Fleet Tracking
  • GPS
  • Various other RF short/medium/long range data transmission applications

 

About Temperature Compensated Crystal Oscillators (TCXOs)

A Temperature Compensated Crystal Oscillator (TCXO) is an electronic device that generates clock signals with improved frequency stability across temperature variations. Unlike standard crystal oscillators or Voltage-Controlled Crystal Oscillators (VCXOs), TCXOs incorporate a programmable ASIC or thermistor network. This circuitry adjusts the voltage on a varactor to compensate for the nominal crystal’s frequency vs. temperature curve.

The result is a low-power oscillator with significantly better frequency vs. temperature performance12. TCXOs find applications where precise timing and synchronization are crucial, especially in environments with varying temperatures.

 


GEYER Electronic TCXOs