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Oven Controlled Oscillator 16MHz

Frequency: 16MHz
Waveform: Sinwave
Aging: ≤±1ppb/day
Supply Voltage: 5V
Operating temperature: -40℃~70℃
Dimension: 36.1*27.1*12.8mm

Product Overview:

This high-performance 16MHz OCXO (Oven Controlled Crystal Oscillator) is engineered for applications requiring extreme frequency stability and low aging. Featuring a Sine Wave output and a compact 36.1×27.1×12.8mm footprint, it delivers a daily aging rate of ≤±1ppb and excellent phase noise characteristics, making it ideal for telecommunications, test equipment, and precision timing synchronization.

Key Features:

  1. Frequency: 16.000 MHz

  2. Output: Sine Wave (>7dBm @ 50Ω)

  3. Aging: Highly stable ≤±1ppb/day; ≤±0.1ppm/year

  4. Low Phase Noise: -155dBc/Hz @ 1kHz offset

  5. Temperature Range: Industrial grade -40℃ to +70℃

  6. Power Supply: 5V Standard (Low operating current <250mA)

  7. Compact Size: 36.1 x 27.1 x 12.8 mm


TECHNICAL INDICATOR


ParametersTechnical IndicatorsRemarks
Output CharacteristicsNominal Frequency16.000MHz
WaveformSinewave
Output Power>7dBmLoad 50Ω
Harmonic Suppression<-40dBcTyp: -50dBc, Load 50Ω
Spurious Suppression<-75dBcTyp: -80dBc, Load 50Ω
Load47.5Ω ~ 52.5ΩTyp: 50Ω, Load 50Ω
Short-Term Frequency Stability<5E-11@1s
Frequency StabilityAmbient≤±20ppb-40~+70℃,
fref=(fmax+fmin )/2
Voltage≤±10ppbVcc±5%
Load≤±10ppbLoad±5%
Aging≤±1ppb/dayTest after continuous power-on for 30 days
≤±0.1ppm/yearTest after 30 days of continuous power-on during the first year
≤±0.4ppm/5year
Initial Frequency Accuracy≤±0.1ppmVC=2.0V, 25℃,powered on for 30 minutes
Power CharacteristicsStartup Current<700mA@Vcc±5%,25℃
Operating Current<250mA@Vcc±5%,25℃
Rated Voltage4.75V ~ 5.25VTyp. +5.0VDC, Vcc±5%
Voltage Limit4.5V ~ 6.0VThe frequency deviation
after 1 hour of power
on is within ±15ppb
relative to 5 minutes.
Voltage Control(Frequency Fine Tuning)Frequency Adjustment MethodVoltage Regulation (Voltage Control)
Voltage Controlled Voltage Input (VC)0V ~ 2.0V ~ 4.0V
Reference Voltage Output (Vref)3.8V ~ 4.2VTyp. 4.0V, Iout <1mA, can be left floating, refer to typical circuit diagram
Voltage Control Noise (RMS)<30 uV
SlopePositive
Linearity<10%
Input Impedance≥100KΩ

ParametersTechnical IndicatorsRemarks
Phase Noise
Max.Unit
Tested in an enclosed chamber at room temperature, free from EMI/EMC or other interference, after 1 hour of power-on, using test equipment E5052B.
10Hz-110dBc/Hz
100Hz-130
1KHz-155
10KHz-160
100KHz-160
1MHz-160
Frequency Adjustment RangeVC=4.0V>+0.5ppmFrequency Offset @ VC=2.0V
VC=2.0V±0.1ppmFrequency Offset from Nominal Frequency
VC=0V<-0.5ppmFrequency Offset @ VC=2.0V
Work EnvironmentOperating temperature-40℃~70℃
Storage Temperature -60℃~105℃
VibrationIEC68-2-26 test Fc, acceleration: 10g; 10Hz~500Hz; amplitude: 0.75mm. /Severity500/10
ShockIEC68-2-27 test Ea, 50g; 11ms; half sine wave (3 directions X, Y, Z). / Severity 100A
Size36.1*27.1*12.8mm, Tolerance not specified: ±0.2mm
Weight20.7g

Typical Applications of Voltage Control

Typical Voltage Control Circuit for 16MHz OCXO.png

oven controlled oscillator2.png


DIMENSION AND PINS

16MHz OCXO Oven Controlled Oscillator - Dimensions and Pinout..png

 Application :

  • Telecommunications: Base stations, small cells, and backhaul timing.

  • Test & Measurement: Frequency counters, synthesizers, and signal generators.

  • Satellite Communications: Up/Down converters and ground stations.

  • Precision Timing: GPS/GNSS disciplined clocks and network synchronization.


                                      Ultra low phase noise ocxo


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