If a clock signal is passed through a CMOS inverter to drive a capacitive load of 1pF, what is the power dissipation in this inverter if the clock frequency is 500MHz? Assume the supply voltage is 3V and the process is characterized by a reference inverter with tREF=20ps, CREF=4fF, RPDREF=2.5K

Business intelligence and data warehouses : Business Intelligence and Data Warehouses |

Explain the concentrations of carbonate and hydroxide : Calculate the pH of a water at 25oC that contains 3.69 mg/L of carbonic acid. You may assume that the concentrations of carbonate and hydroxide are negligible and that there are no other ions present in solution. |

Find the velocity of the regulation hockey puck : A regulation hockey puck of mass 675 g is sliding right at 1.66 m/s. What is the velocity (including magnitude and direction left/right) of the regulation hockey puck after the collision |

Explain the molar heat capacities for liquid gaseous water : The enthalpy of vaporization of water at 373 K and 1 bar is 40.7 kJ/mol and the molar heat capacities are 75.3 J/(mol K) for liquid and 33.6 J/(mol K) for gaseous water. Find the enthalpy of vaporization of water at 273 K and 1 bar. |

What is the power dissipation in inverter at clock frequency : what is the power dissipation in this inverter if the clock frequency is 500MHz. Assume the supply voltage is 3V and the process is characterized by a reference inverter with tREF=20ps, CREF=4fF, RPDREF=2.5K |

How fast is she going : A runner approaching the start/finish line hears the bell signaling one lap to go. The bell emits a 352 Hz tone, How fast is she going |

Compare the input sequences on the two inputs : A sequential circuit hast two inputs (w1 and w2) and one output (z). Its function is to compare the input sequences on the two inputs. If w1 = w2 during any four consecutive clock cycles, the circuit produces a z=1 |

Find the velocity of the plane relative to the earth : A plane is headed due west with an air speed of 224 m/s. Find the velocity of the plane relative to the earth |

Calculate minimum power required to operate the heat pump : Under steady operating conditions, cold water at 15 oC and 200 kPa enters the water heater with a flow rate of 54 kg/min and leaves the water heater at 80 oC and 200 kPa. During its operation the water heater loses heat to its surroundings at the .. |

## Calculate the phase angle between vr and vsIf 3.0 V are across the resistor, compute: a) the current in the inductor b) the inductive reactance XL c) the voltage across the inductor Vl d) the source voltage Vs e) the phase angle between Vr and Vs |

## Design an 8085 microprocessor system that has a totalDesign an 8085 microprocessor system that has a total of 4Kx8 EPROM space using a single 4Kx8 chip and a total of 4Kx8 RAM using two 2Kx8 chips. The EPROM should be mapped starting at address 0000 hex |

## Calculate the resistor- inductor value and capacitor valueBasic boost converter that takes in 600VDC and boost the voltage to 900VDC with an output power of 8KW and a switch with a frequency of 250KHZ. One inductor one switch one capacitor and one resistor. |

## Determine the order of the butterworth type lpf filterGiven the DSP system, where the sampling rate of 4000 Hz is used, the anti-aliasing filter is the Butterworth filter with a cut-off frequency of 200 Hz, and the percentage of aliasing level at the cut- off frequency is required to be less than 10% |

## Design a compensator using one stage of lead compensation1. Determine the minimum value of gain K when Gc(s)=K, so that the steady-state effect of a unit step disturbance Td(s)=1/s is less than or equal to 5% of the unit step (y(inf)=0.05). 2. Determine whether the system using the gain of part 1 is stab.. |

## Write software to spin the motor at 1 rpsDesign an interface for a 12 V, 500 mA bipolar stepper motor. There are 200 steps per revolution. Write software to spin the motor at 1 rps. |

## Compare a lumped element model of a lossless transmissionCompare a lumped element model of a lossless transmission line (single L and C) with the distributed model. Use the following values for the transmission line in this comparative analysis. |

## Find expression for snrout when signal is transmitted by ssbAssume white Gaussian noise of zero means and power spectral density No/2 is added to the signal at the receiver input. Find the expression for SNRout (SNR at the output of the receiver) |

## Find the inductance l and capacitance c of the circuitThe bandwidth of a series resonant circuit is 400 Hz. (a) If the resonant frequency is 4000 Hz, find Q. (b) If R = 10 ohm, what is the value of XL at resonance |

## At an interest rate what is the present worth of the dealA firm leases land from you for 15 years to build a warehouse. As payment you will own the building after 15 years estimated to be worth $400k however you must pay taxes and maintenance of $15k per year. |

## How to detect a change from zero to oneBit 4 of Port B is connected to a switch that normally outputs a zero. Monitor this switch to detect a change from zero to one. Immediately when it becomes one, call a function to toggle Bit 5 of Port B, which is connected to an LED. |

## What is the perceived colour if three colors are mixedwhat is the perceived colour if you mix red ,green and blue dyes in equal proportion and why What about red and green frequiencies only |

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