This paper proposes a control method for avalanche photodiode(APD) reverse bias with temperature compensation and load resistance compensation. The influence of background light and load resistance on APD detection ci...This paper proposes a control method for avalanche photodiode(APD) reverse bias with temperature compensation and load resistance compensation. The influence of background light and load resistance on APD detection circuit is analyzed in detail. A theoretical model of temperature compensation and load resistance compensation is established,which is used for APD biasing circuit designing. It is predicted that this control method is especially suitable for LD laser range finder used on vehicles. Experimental results confirm that the design proposed in this paper can considerablely improve the performance of range finder.展开更多
文摘This paper proposes a control method for avalanche photodiode(APD) reverse bias with temperature compensation and load resistance compensation. The influence of background light and load resistance on APD detection circuit is analyzed in detail. A theoretical model of temperature compensation and load resistance compensation is established,which is used for APD biasing circuit designing. It is predicted that this control method is especially suitable for LD laser range finder used on vehicles. Experimental results confirm that the design proposed in this paper can considerablely improve the performance of range finder.
