XTALONG 10MHz Low Aging OCXO | Precision Oven Controlled Crystal Oscillator (XTALOCXO-3627)

Frequency: 10MHz
Power Supply: 5V
Frequency Accuracy (Factory Calibration): ±0.1ppm
Temperature characteristics: ±0.5ppb@-40~85℃
Phase Noise: -170dBc/Hz@10KHz

The XTALOCXO-3627 is a 10MHz Low Aging OCXO featuring ±30 ppb/year stability, ultra-low phase noise, and excellent holdover performance, ideal for base stations and precision timing systems.

Features

Superior Aging Rate: Features an ultra-low aging rate of ±30 ppb/year, ensuring long-term frequency accuracy for demanding applications.
Ultra-Low Phase Noise: Achieves -170 dBc/Hz at 10kHz offset, providing exceptional signal purity for advanced communication systems.
Excellent Holdover Performance: Offers holdover stability better than ±2.0 μs (after 72h steady-state operation), ensuring network reliability during signal loss.
Wide Temperature Range: Operates reliably from -40°C to +85°C, making it ideal for harsh outdoor and industrial environments.
High Frequency Stability: ±0.5 ppb temperature stability effectively minimizes frequency drift against environmental fluctuations.

Applications

Telecommunications Synchronization: Ideal for 5G/4G base stations, synchronization clock sources, and wireless access network (RAN) equipment.
Precision Measurement: Suitable for high-accuracy instrumentation, test and measurement equipment, and scientific research devices.
Satellite Navigation & Timing: Provides a reliable frequency reference for high-precision GPS/GNSS timing systems.
Defense & Aerospace: Meets the stringent reliability and environmental requirements for radar and communication systems.
Industrial Automation: Widely used in industrial control infrastructures requiring precise timing and clock synchronization.

Specifications

	Parameter		Min.	Type	Max.	Unit	Test Condition
Power consumption	Power Supply			5.0		V	±5%
	Current	Start-up			1200	mA
	Current	Operating			400	mA
Output	Nominal Frequency		10.000			MHz
	Rise/Fall Time				5	ns	HCMOS
	Warm-up Characteristics		-0.02		+0.02	ppm	Frequency deviation at 5 minutes relative to 1 hour after power-on
	High Level		3.6			V
	Low Level				0.3	V
	Load			15		pF	Load ± 5%
Frequency Stability	Frequency Accuracy (Factory Calibration)		-0.1		+0.1	ppm	VC=2.5V, 25℃
	Aging	Daily	-0.1		+0.1	ppb
	Aging	Yearly	-30		+30	ppb
	Temperature characteristics		-0.5		+0.5	ppb	-40～85℃, peak to peak
	Power Characteristics		-0.3		+0.3	ppb	V±5%
	Load Characteristics		-0.3		+0.3	ppb	Load ± 5%
	Holdover		-2.0		+2.0	us	The holdover exceeds 8 hours with temperature variations within 10°C, after 72 hours of steady-state operation.
	Short Term Frequency Stability	0.1s			3	ppt	Allan Deviation (Still air, after >1 hour warm-up)
	Short Term Frequency Stability	1s			5	ppt	Allan Deviation (Still air, after >1 hour warm-up)
	Phase Noise	@1Hz			-105	dBc/Hz
		@10Hz			-135	dBc/Hz
		@100Hz			-154	dBc/Hz
		@1KHz			-165	dBc/Hz
		@10KHz			-170	dBc/Hz
Frequency Tuning	Frequency Adjustment Method		Voltage Regulation (Voltage Control)			—-
	Voltage-Controlled Voltage Input (VC)		0～2.5～5.0			V
	Pulling Range		±0.3		±0.7	ppm
	Slope		Positive			——
	Linearity				10	%
	Voltage-Controlled Input Impedance		100			KΩ
	Reference Voltage Output (Vref)		4.3	4.5	4.7	V
Ambient Temperature	Operating Temperature Range		-40		85	℃
Ambient Temperature	Storage Temperature Range		-55		105	℃