TABLE II.

Measured System Specification

Parameter	Value
Supply Voltage	3.3 V
Current Consumption (Feedback off)	$28\text{μA}$
Current Consumption (Feedback on)	$128\text{μA}$
Voltage Controlled Oscillator	$2.4\text{μA}$
Current Reference	$9.8\text{μA}$
Switching Circuit	$100\text{μA}$
Other Components	$15.8\text{μA}$
Impedance Measurement Range	$1-47\text{kΩ}$
Impedance Sensitivity @ $\left|Z\right|=1.1\text{kΩ}$	$19.66\text{Hz}/\text{Ω}$
Impedance Sensitivity @ $\left|Z\right|=47\text{kΩ}$	$0.05\text{Hz}/\text{Ω}$
Impedance Resolution @ $\left|Z\right|=1.1\text{kΩ}$	$0.254\text{Ω}$