Name: OC-2020SS
Brand: TKD Science and Technology Co., Ltd.

The TKD OC-2020SS series is a miniature oven-controlled crystal oscillator in a compact 20.0 × 20.0 mm package, bringing OCXO-class stability to space-constrained systems. It suits small cells, GNSS timing modules, and compact synchronization and instrumentation equipment.

Specification of OC-2020SS

Technical Specifications		Min.	Typ.	Max.	Unit.	Notes
Frequency		-	10	-	MHz	Output Frequency: 5MHz~40MHz; Typical Frequencies:10,12.8,15.36,16.384,19.2,20,25MHz
Output Waveform		-	Rectangular wave	-	-	Sine wave output is available. Consult factory for more information.
Level		-	HCMOS	-	V
"1" Level		+2.4	+3.3	-	V
"0" Level		-	-	+0.4	V
Load		-	15	-	pF
Duty cycle		45	50	55	%	@+1.4V
Clutter		-	-	-60	dBc
Frequency Stability	Ambient	-10	-	10	ppb	0℃ to +70℃, referenced to +25℃ Refer to Freq. Stability VS Temp. Range table.
	Aging	-0.5	-	+0.5	ppb	Per day at time of shipment
	Daily	-0.5	-	+0.5	ppb	after 30 days
	Yearly	-50	-	+50	ppb
	10 years	-0.4	-	0.4	ppb
	Voltage	-0.5	-	0.5	ppb	±5% Change
	Warm-up	-10	-	10	ppb	In 2 minutes @+25℃, referenced to 1 hour
Phase Noise		-	-	-115	dBc/Hz	@10Hz
		-	-	-130	dBc/Hz	@100Hz
		-	-	-140	dBc/Hz	@1kHz
		-	-	-150	dBc/Hz	@10kHz
Electrical Frequency Adjustment	Range	-	-	-0.5	ppm	VCO @ 0V
	Range	0.5	-	-	ppm	VCO @ +2.8V
	Control	0	1.4	2.8	V
	Slope	-	Positive	-	-
	Input impedance	100	-	-	kΩ
Input Power	Voltage	3.135	3.3	3.465	V	5.0V Input voltage is available. Consult factory for control voltage and output level.
	Current	-	-	1000	mA	@ turn on
	Steady state	-	-	1.2	W	@ +25℃
Reference Voltage	Voltage	2.7	2.8	2.9	V
Reference Voltage	Load	9	-	-	kΩ