A Sub-<svg     style="vertical-align:-3.69pt;width:14.375px;" id="M1" height="14.8125" version="1.1" viewBox="0 0 14.375 14.8125" width="14.375"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
			<g transform="matrix(.022,-0,0,-.022,.062,10.15)"><path id="x1D741" d="M583 83l20 -12q-58 -103 -161 -103q-28 0 -42.5 17.5t-14.5 43.5q0 30 16 78l-3 1q-23 -44 -62 -77t-73 -33q-39 0 -55 27h-2l-15 -59l-13 -52l-11 -38q-15 -57 -31 -81h-103q24 41 48 138l122 517h113l-74 -317q-3 -12 -3 -23q1 -21 9.5 -29t30.5 -8q49 0 103 91
q54 89 83 204l21 82h111l-79 -339q-7 -27 -7 -44q0 -31 19 -31q21 0 53 47z" /></g>

		
	
</svg>A Ultrasonic Wake-Up Trigger with Addressing Capability for Wireless Sensor Nodes

<table>Current consumption of the ultrasonic receiver.</table>

International Scholarly Research Notices

fig5

Figure 5

Figure 5: A Sub-<svg     style="vertical-align:-3.69pt;width:14.375px;" id="M1" height="14.8125" version="1.1" viewBox="0 0 14.375 14.8125" width="14.375"  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg">
	
		
			<g transform="matrix(.022,-0,0,-.022,.062,10.15)"><path id="x1D741" d="M583 83l20 -12q-58 -103 -161 -103q-28 0 -42.5 17.5t-14.5 43.5q0 30 16 78l-3 1q-23 -44 -62 -77t-73 -33q-39 0 -55 27h-2l-15 -59l-13 -52l-11 -38q-15 -57 -31 -81h-103q24 41 48 138l122 517h113l-74 -317q-3 -12 -3 -23q1 -21 9.5 -29t30.5 -8q49 0 103 91
q54 89 83 204l21 82h111l-79 -339q-7 -27 -7 -44q0 -31 19 -31q21 0 53 47z" /></g>

		
	
</svg>A Ultrasonic Wake-Up Trigger with Addressing Capability for Wireless Sensor Nodes 

International Scholarly Research Notices

A Sub- A Ultrasonic Wake-Up Trigger with Addressing Capability for Wireless Sensor Nodes

Figure 5

A Sub-A Ultrasonic Wake-Up Trigger with Addressing Capability for Wireless Sensor Nodes