The intrinsic layer of the PIN diode is a layer without doping, and as a result this increases the size of the depletion region - the region between the P and N layers where there are no majority carriers. This change in the structure gives the PIN diode its unique properties.
Be aware of possible complications. By weakening your immune system, HIV can leave you vulnerable to certain cancers and infections. These infections are called opportunistic because they take the opportunity to attack you when your immune system is weak.
As the immune system worsens, a variety of complications start to take over. For many people, the first early symptoms of HIV infection are large lymph nodes or swollen glands that may be enlarged for more than three months. Other symptoms often experienced months to years before the onset of AIDS include: Lack of energy.