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Ultra low phase noise ocxo

Ultra low phase noise ocxo,dimensions 35.4mm*26.7mm*12.7mm, The output frequency can be selected from 5MH to 20MHz, and the near end noise can reach -120dBc/ Hz@1hz ,Specially designed for the needs of ultra-low phase noise and ultra-high stability.

Ultra low phase noise ocxo,dimensions 35.4mm*26.7mm*12.7mm, The output frequency can be selected from 5MH to 20MHz, and the near end noise can reach -120dBc/ Hz@1hz ,Specially designed for the needs of ultra-low phase noise and ultra-high stability.

Product Overview

The Ultra phase noise ocxo series represents the pinnacle of ultra low phase noise OCXO (Oven-Controlled Crystal Oscillator) technology, designed for applications demanding exceptional frequency stability and minimal phase noise. With its compact 35.4mm × 26.7mm × 12.7mm package, this instrument-grade OCXO delivers best-in-class performance for critical timing applications.

Features

  • Ultra Low Phase Noise Design:
    -120 dBc/Hz @1Hz | -145 dBc/Hz @10Hz | -165 dBc/Hz @1kHz

  • Exceptional Short-Term Stability: 1E-12/s

  • High Frequency Stability: ±2E-9

  • Compact Form Factor: 35.4mm × 26.7mm × 12.7mm

  • Wide Frequency Range: 5MHz to 20MHz output options

  • Multiple Power Options: 5V or 12V DC operation


Technical Specifications

Phase Noise Performance (10MHz Output)

Offset Frequency (Hz)Grade AGrade BGrade CGrade DUnitConditions
1-110-115-120-dBc/HzStill air, EFC port floating or well filtered
10-135-140-145-dBc/Hz
100-145-150-155-dBc/Hz
1,000-155-160-165-dBc/Hz
10,000-160-165-165-dBc/Hz

Frequency Stability (10MHz Output)

ParameterMinTypicalMaxUnitConditions
Frequency-Temperature Stability±2-±20ppb-40°C to +75°C (ref +25°C)

±2-±20ppb-55°C to +85°C (ref +25°C)
Short-Term Stability-1E-12-/sAfter 25 min warm-up @+25°C
Initial Frequency Accuracy-±0.2-ppmAfter 25 min warm-up @+25°C
Voltage Sensitivity-10-+10ppb±5% power supply variation
Load Sensitivity-10-+10ppb5% load variation
Daily Aging-0.5-+0.5ppbAfter 30 days continuous operation
Annual Aging-0.05-+0.05ppmAfter 30 days continuous operation
Warm-Up Time--5min±200ppb ref 30 min @+25°C

Power Supply

ParameterMinTypicalMaxUnitConditions
Supply Voltage (Option 1)11.41212.6VDC
Supply Voltage (Option 2)4.7555.25VDC
Power Consumption--3.5WDuring warm-up

--1.5WStable operation @+25°C

Output Signal Characteristics

ParameterMinTypicalMaxUnitConditions
Output Waveform-Sine/Square--
Load-50-Ω
Output Power+7-+13dBm50Ω load
Harmonics---30dBc50Ω load
Spurious---80dBc50Ω load

Frequency Adjustment (Electronic Tuning)

ParameterMinTypicalMaxUnit
Tuning Range±0.5-±2ppm
Tuning SlopePositive---
Control Voltage02.5/4.54.5/9.0VDC

Additional Parameters

ParameterMinTypicalMaxUnitConditions
Acceleration Sensitivity0.5-1ppb/gWorst axis (X,Y,Z)
Weight--15g
Operating Temperature-55-+90°C
Storage Temperature-55-+125°C

Environmental Specifications

  • Shock Resistance: GJB 360B-2009, Method 213, Condition J, 30g 11ms

  • Vibration Resistance: GJB 360B-2009, Methods 201 & 204, Condition A

  • Random Vibration: GJB 360B-2009, Method 214, Condition I-D

  • Humidity: GJB 360B-2009, Method 103, Condition B

  • Sealing: GJB 360B-2009, Method 112, Condition D

  • Altitude: GJB 360B-2009, Method 105, Condition D

  • Solder Heat Resistance: GJB 360B-2009, Method 210, Conditions A,B,C

  • Terminal Strength: GJB 360B-2009, Method 211, Condition C

Applications

  • The Ultra Low Phase Noise OCXO is ideal for:

  • High-performance communications systems

  • Radar and satellite systems

  • Precision test and measurement equipment

  • Aerospace and defense electronics

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