A depletion-load NMOS amplifier and its small-signal equivalent circuit are shown in the figures. For the small signal parameters gm1=0.2 and mA/V, gm2=0.04mA/V, ro1=ro2=50k and CL= 20pF, calculate the mid-band voltage gain Vo/Vi.

A depletion-load NMOS amplifier and its small-signal equivalent circuit are shown in the figures. For the small signal parameters gm1=0.2 and mA/V, gm2=0.04mA/V, ro1=ro2=50k and CL= 20pF, calculate the mid-band voltage gain Vo/Vi. ==================================== a) vo/vi = -2.5 v/v b) vo/vi = -1.5 v/v c) vo/vi = -2.0 v/v d) vo/vi = -1.0 v/v

In the pnp transistor circuit shown, VEB = 0.7V and B=50. For the operating voltage VEC=4V, calculate the base resistance RB. Now, change RB such that the transistor starts saturating (VEC = 0.2V with B=50).

In the pnp transistor circuit shown in jpg file, VEB = 0.7V and B=50. For the operating voltage VEC=4V, calculate the base resistance RB. Now, change RB such that the transistor starts saturating (VEC = 0.2V with B=50). ================================================= Base Resistance RB RB = 28.25k or 43.25k or 36.25k or 57.25k Changed RB transistor starts saturating (VEC = 0.2V with B=50) RB = 4.6k or 15.2k or 2.3k or 5.8k

In the diode circuit shown, the diodes are ideal except that each is modeled by a voltage source of 0.5V in series with a (diode) resistance of rd=20, when forward biased. A sinusoidal signal Vs with imput impedance Rs=100 is connected to the diode circuit. Find the amplitude of the output signal vo. Also, with Vs=0 determine Vo.

In the diode circuit shown, the diodes are ideal except that each is modeled by a voltage source of 0.5V in series with a (diode) resistance of rd=20, when forward biased. A sinusoidal signal Vs with imput impedance Rs=100 is connected to the diode circuit. Find the amplitude of the output signal vo. Also, with Vs=0 determine Vo. Show how you arrived at your answer. vo(t) = 0.3cos(wt) or 0.3sin(wt) or 3.33cos(wt) or 5sin(wt) Vo = 0V or 5V or -5V or 10V ============================================== COMMENT: YOU NEED ADOBE READER VERSION 6.0 TO OPEN THE ATTACHED PDF FILE. PLEASE DOWNLOAD FROM ADOBE WEBSITE FOR FREE. ALTERNATIVELY, I HAVE CONVERTED PDF FILE INTO JPG FILE FOR THOSE WH... click for more

A half-wave rectifier employing a 12-V-rms 60-Hz sine-wave source and no dc load is filtered using a polarized electrolytic capacitor having a small leakage current. For diodes assumed to have a 0.7V drop independent of current, calculate the resulting output. What is the PIV required of the diode?

A half-wave rectifier employing a 12-V-rms 60-Hz sine-wave source and no dc load is filtered using a polarized electrolytic capacitor having a small leakage current. For diodes assumed to have a 0.7V drop independent of current, calculate the resulting output. What is the PIV required of the diode? Show how you arrived at the answer. ================================== a) 33.04 b) 33.14 c) 33.24 d) 33.34

A power amplifier when driven by a current source of 5mA rms and a source resistance of 8k, delivers 12.5 W signal power to an 8 load resistance. Find rms value of the output voltage.

A power amplifier when driven by a current source of 5mA rms and a source resistance of 8k, delivers 12.5 W signal power to an 8 load resistance. Find rms value of the output voltage. Show how you arrived at the answer. a) Vo rms = 15V or 10V or 20V or 5V