122.88MHz High Stability OCXO

Frequency: 122.88MHz
Supply Voltage: 5.0V
Frequency Stability: ≤±0.05ppm@-55～+85℃ ,@25℃
Frequency Accuracy: ≤±0.1ppm
Phase Noise: -165 dBc/Hz@10KHZ

This 122.88MHz OCXO delivers high frequency stability and ultra-low phase noise across an extreme -55°C to +85°C temperature range, making it an ideal precision frequency reference for harsh environment applications.

Application

5G / Base Stations

Radar / Satcom

Test Equipment

Grid / Oil & Gas

Data Centers

Specification

	Parameter		Value			Unit	Test Condition
	Parameter		Min.	Type	Max.	Unit	Test Condition
Power consumption	Power Supply			5.0		VDC	Vcc±5%
	Current	Start-up Current			800	mA
	Current	Operating Current			300	mA	25℃
Output	Nominal Frequency		122.88			MHz
	Waveform		Sine wave			—--
	Output Power		7.0			dBm	Load: 50Ω
	Harmonic				-35	dBc	Load: 50Ω
	Spurious				-80	dBc	Load: 50Ω
	Load		47.5	50	52.5	Ω	Load ± 5%
Frequency Stability	Frequency Accuracy		-0.1		+0.1	ppm	Factory calibration value, +25℃.
	Aging	Daily	-0.5		+0.5	ppb	Tested after 30 days of continuous power-on
	Aging	Yearly	-0.05		+0.05	ppm	In the first year, the test was conducted after 30 consecutive days of power-on.
	Temperature Characteristics		-0.01		+0.01	ppm	-55～+80℃, @25℃
	Temperature Characteristics		-0.05		+0.05	ppm	-55～+85℃, @25℃
	Power Characteristics		-5.0		+5.0	ppb	Vcc±5%
	Load Characteristics		-5.0		+5.0	ppb	Load ± 5%
	Short Term Frequency Stability				1E-11@1s		Allen deviation, energization time > 1 hour (static, no wind).
	Phase Noise	@1Hz			——-	dBc/Hz
		@10Hz			-95	dBc/Hz
		@100Hz			-125	dBc/Hz
		@1KHz			-155	dBc/Hz
		@10KHz			-165	dBc/Hz
		@100KHz			-167	dBc/Hz
		@1MHz			——-	dBc/Hz
	Power up Characteristics		-0.1		+0.1	ppm	Frequency deviation 5 minutes after startup relative to 1 hour.
Ambient Temperature	Operating Temperature Range		-55		85	℃
Ambient Temperature	Storage Temperature Range		-55		105	℃