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Design the width−to−length ratios of the transistors in the static CMOS logic circuit of Figure 16.40. Symmetrical switching times are desired and the switching times should correspond to the basic CMOS inverter. (Ans. All NMOS devices,
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Microelectronics: Circuit Analysis and Design
- 4. MOS combining both P- and N-channel in series is called 5. The CMOS logic levels are: binary 0 = volts and binary 1 = volts.arrow_forwarda) A standard TTL inverter gate is shown in the figure. The supply voltage is 5V. Calculate the output voltage for both logic low and logic high input cases assuming input voltages respectively as 0.11V and 4.2V. Br= 130; BR = 0.24. You can make approximations when needed. Br = IcIs active region; BR = IE/ls inverse active region b) Assume you connect a resistor of 1.8K to the output of the circuit when the output is at logic high. What will be the change in the output voltage? 1302 R3 1.6k2 R, 4k2 Input o T, Output T, V, V. IkQ R,arrow_forwardAssume Vth = 1V and k = 50mA/V2. Given the schematic below, do the following: 1) Indicate and verify the state of each MOSFET and ?0 for the following input combinations. Fill-out the table below for each assumed state of the MOSFET for every input combination. Use ?ds,on approximation for linear operation. 2) Determine what kind of logic circuit is implemented in the circuit.arrow_forward
- /Consider the four- input NOR logic gate in figure below, The transistor parameters are VTNL =-IV, and VTND = 0.5V. The maximum value of vo in its low state is to be 0.2 v. Determine :- a) Ko/KL b) The maximum power dissipation in the NOR logic gate is to be o.1 mW. find c) Vo when VA = VB = Vc = Vo = 3 v. MA VB motor wate MB 3v VTNL = -1V KL Me 1 14.1. VT Vo MD VTND 0.5V KDarrow_forward(e) Describe, with the help of sketches, the definition and meaning of noise margins in an inverter logic gate.arrow_forwardA full-bridge inverter has a switching sequence that produces a square wave voltage across a series RL load. The switching frequency is 60 Hz, Vdc=100 V, R equals to 10 Ohm, and L equals 25 mH. The average current in the dc source is. Select one: O a. 52 A O b. None of the above O c. 4.41 A O d. 300 Aarrow_forward
- 4. CMOS Logic Gate The PUN of a CMOS Logic Gate is shown below Vdd Q1 B- Q2 c -dPQ3 B-dCa5 Q6 D Y (a) Determine Y from the PUN. Express your answer in Sum-of-Product form. (b) Sketch the PDN of this CMOS logic gate. (c) Transistor sizing. If we set Peg = 5 for this CMOS logic gate, find W's for Q1 through Q7 if L is set at 0.25µm.arrow_forwardQ4: Suggest a control gate drive circuit for a Triac, which is used to control a fan regulator. The gate signals should be synchronized with the input voltage. Draw the complete: 1. Circuit diagram with the load and 2. The waveform of the input and output voltages. ) Q.13 Indicate whether the following statements are correct or not then correct the incorrect statements 1) the multi pulse selected notching technique used in inverter is used to eliminate the low order harmonics and to reduce switching frequency, 2) In 3-phase half-controlled half-wave rectifier, the firing angle can be varied from 0 to 180 degrees while in 6-phase half-controlled half-wave rectifier can be varied from 0 to 150 degrees Q.14 Indicate whether the following statements are correct or not then correct the incorrect statements 1) In rectifier circuits, lower pulse number and connecting either primary or secondary of 3- phase winding in delta will reduce the harmonics content of the drawr. current 2) In…arrow_forwardQ/ Totem-pole outputs cannot be connected together, why? How is this condition treated? 2- Design TTL inverter gate, Explain the usefulness of a diode in a circuitarrow_forward
- There is 180 degree phase displacement between two SCR gate signals in single phase half bridge inverter. Select one: O True O Falsearrow_forwardA full bridge inverter with RLC load having the following values: R=7.5 Ohms, L-12.5 mH, C-22 uF. The switching frequency is 500 Hz and the DC input voltage is 180V. The average current supply (consider up to the fifth harmonics in calculation) would be equal to: Select one: a. None of these b. 3.84A C. 1.64A d. 5.74Aarrow_forwardBelow is an example of an NMOS logic circuit. For all of the MOSFETs in the circuit below, assume V = 1 V and k = 50 mA/V². th R₂ = 5600 R₁ = 4700 M3 Ao M₁ M₂ a. Indicate and verify the state of each MOSFET and V for the following input 0 combinations. Fill-out the table below for each assumed state of the MOSFET for every input combination. Use R approximation for linear operation and three significant ds(on) figures for the voltages. Example: M1 is assumed to be in saturation. If Vgs = 2 V, Vds = 4V, Vds > Vgs - Vth 4>2-1 4> 1 (ok) Vgs > Vth (2>1) A B M1 state M2 state M3 state V OV OV 5 V OV b. What kind of logic circuit is implemented in the circuit above? 5V www. V₂ 0arrow_forward
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