Diode Pin Diagram. Due to poor reverse recovery time they are not used in high frequency applications. Structure and working of a pin diode the pin diode comprises a semiconductor diode having three layers naming p type layer intrinsic layer and n type layer as shown in the figure below.
Pin diode it is a three layer diode where pin stands for p layer i layer n layer. In the above diagram we can see that there two terminals that are known as anode and cathode. The photo diodes resistance and output voltage change in proportion to the ir light received.
The semiconductor layer are usually of p type and n type.
Pin diagram of ir led. A depiction of a pin diode. The diode includes the n region and p region which is divided by the intrinsic section that has semiconductor substance. A pin diode is a diode with a wide undoped intrinsic semiconductor region between a p type semiconductor and an n type semiconductor region.