Design an abrupt Sip+-n junction diode that has a reverse breakdown voltage of 130 V and
has a forward-bias current of 2.2 mA at V = 0.7 volt. Assume tp = l0^-7 s.
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Design an abrupt Si p+-n junction diode that has a reverse breakdown voltage of 130 V and has a forward-bias current of 2.2 mA at V = 0.7 volt. Assume tp = l0^-7 s.
An abrupt junction GaAs diode is doped with acceptors on the P-side at a concentration of 1016 cm−3 , donors on the N-side at a concentration of 1017 cm−3 and operated at 300 K. The hole recombination time on the N-side 0.2 µs and the electron recombination time on the P-side is 2 µs. The cross sectional area is 10-2 cm2 a) Calculate the reverse saturation current. b) Calculate the contact potential. e) Calculate the bias voltage needed to obtain...
Give a physical interpretation to the phenomenon that the (small) reverse current of a pn-junction diode does not increase when the reverse-bias voltage increases (before reaching the breakdown voltage).
Problem 4: An abrupt silicon p-n junction diode has the following characteristics. side n-side N-4x 1016cm N1016cm3 n 1000 cm2/V sec 350 cm2/V sec Area A 102cm2 Calculate the following quantities: (a) Reverse saturation hole current component (b) Reverse saturation electron current component. (c) Minority carrier concentrations at the edge of the depletion layer, p(0) and pr(0), for a forward voltage of 0.6 V (d) Electron and hole current for the bias condition of (c). (e) Make a rough sketch...
Biased Si p-n junction (a) An abrupt Si p-n junction (Schottky model) of square cross section with area of 1x10-4 cm* has the following properties at 300 K: side Na - 1x1017 cm3 n side Na=1x1015 -3 cim =10us 200 cm 2/Vs) In 700 cm2/(Vs) In = 1300 cm 2/(Vs - 450 cm/(Vs) The junction is forward biased by 0.5 V. What is the forward current? (b) What is the current at a reverse bias of-0.5 V? Biased Si p-n...
XXX is 467 Design an ideal abrupt silicon PN-junction at 300 K such that the donor impurity concentration in the n-side N, = 5x1015 cm3 and the acceptor impurity concentration in the p-side N, = XXX × 1015/cm3 Assume that the diode area A-2x10-3 cm2 and 100cm work Note that the values obtained in the calculations may not be realistic as the Matric # varies greatly. The assignment is only to test your understanding, and must be handwritten Determine the...
Tutorial 2 The data sheet of a certain P-N junction diode specifies a leakage current of 0.25mA at room temperature of 25[]C and 0.05 mA at 100[c. The diode has forward biased constant current of 30A at room temperature. If forward biased current is assumed to remain constant at all temperatures. Calculate the junction internal barrier voltage at room temperature and at 1000C. take 1=1 The data sheet for a silicon diode specifies a forward voltage drop of 2.35V for...
QUESTION 3 If a P+N diode has 7 mA of forward current, hole minority carrier lifetime is 0.8 ms, and a reverse current of 88 mA, what is ts in ms? Use two significant digits, fixed point notation, and assume equation 8.8 is valid.
consider a silicon pn junction diode at 300 K with nd= na = 10^16 cm-3, u_n 1350 cm^2/v-s, u_p 480 cm^2/v-s, and t_no = t_po= 5×10^-7 s. consider two bias conditions: i) a reverse bias of 1.0 v ii) a forward bias of 0.2 v a) for each bus condition, roughly sketch the band gap diagram - accurately label the energy gap in eV - indicate the difference between E_f on the two sides id the junction and label its...
1. Consider a p*n silicon diode at T-300 K with doping concentrations of N 10 cin and N-101 cm-3. The minority carier hole diffusion coefficient is D 12 cm2/s and the minority carrier hole lifetime is po 10-7 s. The cross sectional area is A 10- cm2. Calculate the reverse saturation current and the diode current at a forward-bias voltage of 0.50v A germanium p* n diode at T-300 K has the following parameters: Na 108 cm-3 N,--1016 cm", ,...
asap. please 1o points: Conside r an abrupt Si pn junction that has 10 acceptors em3 on the p-side donors on the n-side. The minority carier recombination times are fe-490 ns for and 109 electrons in the 1350 cm Vs, and with Nd-10 cm and A,s 65 cm ,The cross-sectional area is 1.5 mm. Assume this is a long diode, please calculate the current, I, hrough the diode at room temperature when the voltage, V, acoss it is 0.25 2.5...