A ± 1.55ppm Stable FBAR Reference Clock with Oven-Controlled Temperature Compensation

Table 2

Comparison chart.

Performance comparison
	[6]	[8]	[10]	This work
Frequency	582MHz	1-330MHz	750MHz	750MHz
VDD(V)	3	3.3	0.75	0.9(TDC)/3(DAC)
Power consumption of Osc./System	NA	9.24mW/108mW(FracN PLL)	0.45mW/1,1mW	0.25mW/2.9mW
Heater Power(Max)	9mW	NA	NA	14mW
Size (mm x mm)	25x25	2.02x1.89	1.6x0.9(CMOS)	1.5x2(CMOS)
			0.8x0.8(FBAR)	0.8x0.8(FBAR)
Temperature range(°C)	-45 to 85	-45 to 85	0 to 90	-10 to 90
Stability(ppm)	2	±0.5	±3	±1.55
Allen [email protected](ppb)	NA	5	8	4
Temp. resolution	NA	0.1	1.2	0.15
No. of Trim	NA	12	4	2
Tech.	GaAs P-HEMT	0.18um	65nm	65nm