U 0 = U R + U LED U 0 = ( R V × I ) + U LED R V = ( U 0 - U LED ) / I

Vorgabe:	U₀=		V	U F =		V	I F =		㎃
Funktion:
Ergebnis:	R V =		Ω	P R =		㎽	P₀=		㎽