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. Consider the class-A output stage shown below, the input signal is a square wave. Assume...
2. Consider a class B BJT output stage with a square wave output voltage of amplitude Vo across a...
2. Consider a class B BJT output stage with a square wave output voltage of amplitude Vo across a load Ri. and employing power supplies Vss. Neglecting the effects of finite VBE and VCEs (i.e., assume both VBE and VcEsat are negligible small) determine the load power, the supply power, the power conversion efficiency, the maximum attainable power conversion efficiency and the corresponding value of Vo.
2. Consider a class B BJT output stage with a square wave output voltage...
Page 1. (a) Prove that if the voltage across a resistor Ri is a sine wave with amplitude Vcc, then the average power dissipated during one cycle is given by Vec/2R (b) A Class B BJT output stage...
Page 1. (a) Prove that if the voltage across a resistor Ri is a sine wave with amplitude Vcc, then the average power dissipated during one cycle is given by Vec/2R (b) A Class B BJT output stage is shown in Fig. I. Assume that Vout(t) = Vcc. sin wt; Voe >> VCE(oat); and . Also ignore any crossover distortion effects due to the deddband in the voltage transfer characteristic. Sketch the waveforms for lci(t), Ic2(t) and It(t). (c) Find...
Prob. 4 (20pts): A radio wave is composed of: CO Vin(t) 10-5 > Sin(nwot) Volt n-1,2,3...
Prob. 4 (20pts): A radio wave is composed of: CO Vin(t) 10-5 > Sin(nwot) Volt n-1,2,3 (a) (3pts) What are the values of the Fourier coefficients for Vin(t), for n-1,2 and:3 (b) (6pts) The following RLC circuit has been constructed to receive CBC Radio One Vancouver at 88.1 MHz. The circuit is then used to power a speaker (represented by a resistor Ri). Derive Vo(t)/Vin(t) (c) (6pts) Determine the frequency where Vo(t) reaches the maximum value. RL=R=100Ω, L=10:1H, C=10 pF...
2. Consider a class B BJT output stage with a square wave output voltage of amplitude Vo across a load Ri. and employing power supplies Vss. Neglecting the effects of finite VBE and VCEs (i.e., assume both VBE and VcEsat are negligible small) determine the load power, the supply power, the power conversion efficiency, the maximum attainable power conversion efficiency and the corresponding value of Vo.
2. Consider a class B BJT output stage with a square wave output voltage...
Page 1. (a) Prove that if the voltage across a resistor Ri is a sine wave with amplitude Vcc, then the average power dissipated during one cycle is given by Vec/2R (b) A Class B BJT output stage is shown in Fig. I. Assume that Vout(t) = Vcc. sin wt; Voe >> VCE(oat); and . Also ignore any crossover distortion effects due to the deddband in the voltage transfer characteristic. Sketch the waveforms for lci(t), Ic2(t) and It(t). (c) Find...
Prob. 4 (20pts): A radio wave is composed of: CO Vin(t) 10-5 > Sin(nwot) Volt n-1,2,3 (a) (3pts) What are the values of the Fourier coefficients for Vin(t), for n-1,2 and:3 (b) (6pts) The following RLC circuit has been constructed to receive CBC Radio One Vancouver at 88.1 MHz. The circuit is then used to power a speaker (represented by a resistor Ri). Derive Vo(t)/Vin(t) (c) (6pts) Determine the frequency where Vo(t) reaches the maximum value. RL=R=100Ω, L=10:1H, C=10 pF...
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