For the class−B output stage shown in Figure P8.24, the bias voltages are
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Microelectronics: Circuit Analysis and Design
- . Design a fixed bias-transistor circuit using V = Vcc = 10 V for a Q-point of Iç = 5 mA and Va 4 V. Assume Boc = 100.The design involves finding R, and Rc. inakomeont thot one is hiasedarrow_forwardAt any point on the characteristics the product of VCE and IC must be equal to 300 mW. If we choose IC to be the maximum value of 50 mA and substitute into the relationship above, we obtain VCE=? VCEIC = 300 mW a. Reverse bias (J1) and Forward bias (J2) b. Forward bias (J1) and Reverse bias (J2) c.Reverse bias (J1) and Reverse bias (J2) d. Forward bias (J1) and Forward bias (J2)arrow_forwardComplete the given BJT circuit. Solve for the value of the resistors and the voltage supply that will satisfy the given DC loadline. Assume IC=IE and RC=RE. Show and label properly the required final circuit. 5 mA 2.5 mA * IC IC 0 15 V 30V VCE RB B +VCC C E RC B=100 RE ...arrow_forward
- Answwr for both circuit... Answer for both cktarrow_forward8.* A single phase bridge rectifier supplies a IkW washing machine induction motor drive. The smoothing capacitance is 6.8 mF and the smoothing inductance is 5 mH. At full load, the equivalent resistance of the induction motor is 24 2. The ac supply is 220 V (60Hz). (a) (b) (c) Estimate the ripple What is the capacitor 'de link' voltage under full load? What is the % voltage regulation no load to full load? ?arrow_forwardThe fixed bias circuit shown in figure uses a silicon transistor with VBE = 0.7V. 10 (a) Find the collector current, IC, and voltage VCE, if ß of transistor is 60. (b) Find IC and VCE if B changes to 80. What conclusions may be drawn? +Vcc (9V) 60k 0.5k + VCE VBEarrow_forward
- ........ (Figure-1) R. RB= 380kN,Rc= 1kN B = 100, VBB = Vcc=12V RB ww Vec CC ......... I, V CE СЕ V ВЕ BB Q-1-b) Describe briefly the input / output characteristics and application of Common Emitter BJT Configurationarrow_forwardProblem #6: An abrupt p-n junction varactor is used to tune an oscillator shown in Figure 3. At zero bias voltage, the varactor has a junction capacitance of 4pF, Vbi 1.3V for GaAs. The active device has CD = 2pF and RD = 10W. The load bias has L₁ = 15nH and R₁ = 10W. What are the oscillation frequencies at (a) -20V (b) -10V and (c) OV? = L₁ R₁ C₁ (V) -RD FIGURE-3 www CDarrow_forward8.15 MECT361 Mechatronics Components and Instrumentation 8.15. Using the Internet, look up the specifications for the National Semiconductor ( www.national.com ) ADC0800 8-bit A/D converter. Determine the maximum sam- pling rate and the method for performing the conversion. Also define each of the inputs and outputs. PLEASE GIVE ME THE REFRENCE I Will get zero if you didn't put the refrencearrow_forward
- Q1. The output characteristic of a typical transistor is shown below, where the quiescent point is selected on it. This transistor is used in the bias circuit presented below. Find the suitable values of Rg and Rc to fix the Q-point of the circuit properly. +Vcc = 12 V 12- Is = 70 uA 10- Ig = 60 uA 8- Rc Is = 50 uA Rs 6- Ig= 40 uA 4. Is = 30 uĄ Is = 20 uA B = 100 2- VBE = 0.7 V 0- -2- 2 4 6 8 10 12 14 16 VCE (V) Ic (mA)arrow_forward5, a) Determine Vdsat when ID=.5 mA. b) Determine Kn when ID = 0.5 Amps. (Show your work!) c) Determine VTN. (Show your work!) d) Vgs Consider the circuit and corresponding graph, shown below. ID (mA) 0.60 0.50 0.40 0.30 0.20 0.10 0.00 0 0.5 Vds 1 1.5 2 2.5 Vds 3 3.5 4 4.5 5 -Vgs = 1V - Vgs = 1.1V - Vgs = 1.2V - Vgs = 1.3Varrow_forwardIn this voltage divider bias circuit, the input is at the base. Output is at the emitter with a high input resistance and low output resistance. The maximum voltage gain is 1 and the coupling capacitors must have a negligible reactance at the frequency of operation. (use to answer a and b) a. Derive the expression for the voltage gain, current gain, and power gain in terms of power delivered to the load, R. b. Sketch both the DC and AC equivalent circuits. c. Derive the expression for ripple factor of Half Wave Rectification with a capacitor filter.arrow_forward
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