This paper presents a novel Programmable Optically Variable Resistor (POVR) that provides a wide, continuously adjustable resistance range using an LED-LDR (Light Emitting Diode-Light Dependent ...

This paper presents a new attempt to utilize the PIN diodes as variable resistors to realize a continuously tunable phase shifter. A diode is used in parallel to a capacitor. Thus, the diode ...

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The ionic partition diagram methodology has been generalized to address both hydrophilic and lipophilic compounds and to consider biphasic systems with variable phase volume ratios. With this ...