Name: OC-2522
Brand: TKD Science and Technology Co., Ltd.

The TKD OC-2522 series is an oven-controlled crystal oscillator (OCXO) in a compact 25.0 × 22.0 mm package, delivering exceptional frequency stability and low aging. It provides a precise reference for base stations, network synchronization, GNSS timing and broadcast systems.

Specification of OC-2522

Technical Specifications		Min.	Typ.	Max.	Unit.	Notes
Nominal Frequency		-	10	-	MHz	Output Frequency: 5–40 MHz Typical Frequencies: 10, 12.8, 15, 16, 19.2, 20, 25, 36, 38.4 MHz
Output Waveform		-	Square wave	-	-	Sine wave output is available. Consult factory for more information.
Level(HCMOS)	High level	2.4	3.3	-	V
	Low level	-	-	0.4	V
	Load	-	15	-	pF
	Duty Cycle	45	50	55	%	@+1.4V
	Clutter	-	-	-60	dBc
Temperature characteristics		-10	-	10	ppb	Temperature range: -30°C to +70°C (Reference to +25°C) Refer to the "Frequency Stability vs. Temperature Range" table.
Phase Noise		-	-	-115	dBc/Hz	@10 Hz
		-	-	-130	dBc/Hz	@100 Hz
		-	-	-140	dBc/Hz	@1k Hz
		-	-	-150	dBc/Hz	@10k Hz
Frequency adjustment	Range	-	-	-0.5	ppm	VCO@0V
	Range	0.5	-	-	ppm	VCO@2.8V
	Control Voltage	0	1.4	2.8	V
	Slope	-	Positive slope	-	-
	Input Impedance	100	-	-	kΩ
Input Power Supply	Voltage Range	3.135	3.3	3.465	V	5V version is available
	Startup Current	-	-	1000	mA
	Stable Power	-	-	1.2	W	@+25°C
Reference Voltage	Voltage	2.7	2.8	2.9	V
Reference Voltage	Load	9	-	-	kΩ