Development of Low-Noise Small-Area 24 GHz CMOS Radar Sensor

Table 1

Comparison of each component area of radar sensor.

	Proposed circuit		Conventional circuit
	Transmission lines	Area (); (μm  ×  μm)	Inductors	Area (); (μm  ×  μm)
LNA	()	20 150	()	70 70
	()	30 150	()	80 80
	()	10 150	()	50 50
	Total TL area	180 150	Total inductor area	140 140+; 160 160+; 100 100
	Total LNA area	200 180	Total LNA area	250 250
Mixer	()	10 150	()	50 50
	()	20 150	()	70 70
	()	30 150	()	100 100
	Total TL area	120 150	Total inductor area	100 100+; 140 140+; 200 200
	Total mixer area	180 180	Total mixer area	220 220
VCO	()	20 150	()	70 70
	()	70 70	()	80 80
	Total TL area	110 150	Total inductor area	150 150
	Total VCO area	160 160	Total LNA area	180 180
PGA + integrator	Total area	12 12	Total area	13 13
Die	Total area	800 700	Total area	1,500 1,500