Question

7) What is the function of the given circuit below, and sketch (with labe) The output velt waveform Assume the irput veltape: 30 Sinwtv 50 Mc and the turns ratio 1.1 ci Q8) What is the voltage across the load resistor if the diode is successfully biased? 8, sv Q9) determine and draw the output voltage waveform for the given circuits and name the type of operation diode from slicon and neglect diode resistance? Q10] Why doping is required ? Q12) Discuss the Schottky diade. 013) 014)Up to which point, the depletion region get widened in the PN junction ? At what energy level does hole current occur?

Answer 1

)The function of the Jiven Cuit is it conuerts Ac voltuqe into Dc uottaqe. input voltage V,n: 30 sin ωt Maximum input votage Vi t(ma) out put toltage wove-form output voage Vo(mar) Sec → time 120 Assume the diodes are sicon diode sa fonword uo ttoge drop of silicon diode iS 30-0-7 Tf the Zenev diode is Succe ssfilly biased e Lotaqe across the load esistor RL gov

in зп ап чт-, fire-t . in second In max D 100-0구 99-3 Dc output vottoqe Vc - lot max) olmax 99.3 OPeratior It IS Half- wave ecifer opera'hion. on half-wave of the input waveform Convert d into DC uoltage

0)Dopin is done to increase the Conductiuit of the Semi Con ductor deuiceS. ahd modula-ina ls electrical, optical and stuctural proper ties. schot-ty diode also diode. n) a semi Conductojunction Anothe hames. louw Vottage diode Barrier diode Power drop soin schoty diode when ni pn juncfian diode Compared to or dinda Metal N-T4Pe schotty diod Sym bol Cathod hode Fach seiconductor mokia veQuirs d-ffrent erersy levels for silicon>t ev y2 e v art oohm tmppau« gallium arsenide