Design the circuit of the following figure to provide a differential output voltage (i.e., one taken between two collectors) of 1 V when the differential input signal is 10 mV. A current source of 1 mA and a positive supply of +5 V are available. What is the largest possible input common-mode voltage for which operation as required is possible? i.e. the transistors don't leave the Active region of operation. Assume a ≈ 1. Vcc VBI UCIO Rc Rc VC2 γει + UB2 I

The small-signal model is said to be valid for voltage variations of about 5 mV. To what percentage current change does this correspond? (Consider both positive and negative signals.) What is the maximum allowable voltage signal (positive or negative) if the current change is to be limited to 10%?

The collector characteristics for a certain transistorare shown a. Find the ratio Ic/IB for VCE =10 V and IB =100,200, and 600 pA.b. The maximum allowable collector powerdissipation is 0.5 W for IB = 500 pA. Find VCE.   Hint: A reasonable approximation for the power dissipatedat the collector is the product of the collector voltage andcurrent P = IcVCE, where P is the permissible powerdissipation, Ic is the quiescent collector current, and VCE iSthe operating point collector-emitter voltage.

The DC Current Gain of a Transistor is Select one: a. Ratio of Collector Current to Base Current b. Ratio of Base Current to Collector Current c. Ratio of Emitter Current to Collector Current d. Ratio of Base Current to Emitter Current

What must be the minimum power rating for the external pass transistor used with a 7815 regulator in a circuit such as that shown in Figure below? The input voltage is 30 V and the load resistance is 10 n. The maximum internal current is to be 700 mA Assume that there is no heat sink for this calculation. Keep in mind that the use of a heat sink increases the effective power rating of the transistor and you can use a lower rated transistor. Qeu VIN Re VOUT 7815

1. For the circuit in Figure 1: a) Calculate the input and output power if the input signal results in a base current of 5 mA rms. b) Calculate the input power dissipated by the circuit if RB is changed to 1.5 kN. c) What maximum output power can be delivered by the circuit if RB is changed to 1.5 kN? d) If the circuit is biased at its center voltage and center collector operating point, what is the input power for a maximum output power of 1.5 W? +Vcc (18 V) RC -16Ω RB 1.2 k2 B - 40 100 µF

1. For the circuit in Figure 1: a) Calculate the input and output power if the input signal results in a base current of 5 mA ms. b) Calculate the input power đissipated by the circuit if Rs is changed to 1.5 kQ. c) What maximum output power can be delivered by the circuit if RE is changed tol.5 kQ? d) If the circuit is biased at its center voltage and center collector operating point, what is the input power for a maximum output power of 1.5 W? +Vcc (18 V) Re = 16 2 1.2 kS2 B-40 100 pF Figure 1

1. For the circuit in Figure 1: a) Calculate the input and output power if the input signal results in a base current of 5 mA rms. b) Calculate the input power dissipated by the circuit if Rg is changed to 1.5 kN. c) What maximum output power can be delivered by the circuit if RB is changed to 1.5 kN? d) If the circuit is biased at its center voltage and center collector operating point, what is the input power for a maximum output power of 1.5 W? +Vcc (18 V) Rc = 16 2 RB 1.2 k2 V. B - 40 100 µF Figure 1

A. For the configuration shown below in 4(A), find the small signal voltage gain (Voutp-Voutm)/Vin B. For the configuration shown in 4(B), find the following parameters (a) DC value of output voltage, (b) input common mode range and (c) small signal voltage gain when all transistors are in saturation vou/Vin as indicated in the diagram; Assume no body bias on M1 ad M2 For this problem ONLY, assume the following device parameters V7, = \V| = 0.5V;K, = k ,' = 100 µA / V²,a, = a, = 0.01 VDD = 3V (10/1) M, M. (10/1) (10/1) M, |M, (10/1) Voutp 20kΩ м, (200/1) м, м, (10/1) м, Vin (1/1) м, M. (10/1) + Vin DC VAN M, 100HA (1/1) M, M, (10/1) (A) (B) V. =-1V

The amplifier in the circuit below is driven by a signal generator v, with a small sine wave signal vhose average value is zero. Assume the transistor has a value of B-100, and V-26 mV. a. You need to design the circuit so that the de emitter current IE of the emitter resistor RE to establish the desired de emitter current. = 1 mA. Specify the value b. A de collector voltage of +5 volts is desired. Specify the value of the collector resistor Re to establish the desired de collector voltage. For this part assume that RL 5 K and the Early Effect needs to be considered. The transistor has a VA 100 Volts. Draw the ac small signal equivalent circuit model of the amplifier and determine its voltage gain. 91SV C. 2.5k MM do RE -15 V 84 Vout RL