Given: A self-bias circuit has Rr = 3.9 KQ, R; = 1. 8 KQ at 27 °C. If Vc and Re are adjusted to establish acollector current of 1.5 mA, determine the collector current l; at 10 °C and at 70 °C.T,°C10 °C27 °C70°Clco, nAVBs, volts1.8 x 103125,0000.90.60.2255090

We will find out base current from given details then we will find out collector current at…

Answered: Given: A self-bias circuit has Rr = 3.9…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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fT = 500 MHz, rx = 300 Ω, Cμ = 0.60 pF for the BJT, and CGS = 3 pF and CGD = 0.60 pF for the FET. Derive an expression for the total input capacitance of the BJT as shown looking into node υb. Assume CL = 0. Use it to interpret Eq. (17.138).
4) By drawing the small signal model of the circuit given below, we can determine the total voltage and current gain values of the circuit, without the bypass capacitor on and without the bypass capacitor. Calculate separately for the two cases as it will be in the circuit (connected to the emitter end of the transistor). (β = 100, rS = 600 Ω, R1 = 27 KΩ, R2 = 4.7 KΩ, RC = 3.3 KΩ, RE = 680 Ω, RL= 15 KΩ, VCC = 10 V)
Bandwidth beta=250Hz, center frequency f0=750Hz of the band-proof circuit consisting of serial LCis desired.If the capacitor value is 100nF, what should the R and L values be?
The common-emitter discrete amplifier shown has the following values: RB1 = 400 kΩ, RB2 = 100 kΩ, RC = 4 kΩ, RE = 500 Ω, Rsig = 1 kΩ, RL = 10 kΩ and VCC = 15 V. Assume VBE = 0.7 V and β = 90. Also assume that the capacitors are shorts for ac. The bias circuit has been analyzed and IC = 1.65 mA, Rin = 1.34 kΩ and Rout = RC. If vsig = 10 mVpeak, determine the peak value of vout.
Given: Voltage Divider Bias Circuit Supply: 10Vdc to 24Vdc Load: 1000 ohms Voltage Gain: 80 to 400 Lower Cutt off Frequency: 100Hz Sinusoidal source (zero internal resistance): 50mVp-p Transistor: Si, beta=75 Base-Collector Capacitance= 8pF Base-Emitter Capacitance= 25pF Design a Single-stage Common Emitter Class A Amplifier and compute the following: a) dc load line b) hie c) midband gain d) Miller equivalent Capacitances e) upper cut off frequency
Find 1) If a capacitor Cs is connected across Rs then Av= 2) The value of RD required to set Q-pt at center of saturation Regn. RD= 3) The max. undistorted peak value for vds = Electronics 2
A 5-V, 10-MHz oscillator have a rise/falltime of 10ns and a 50% duty cycle is applied to a gate. Determine the value of the capacitance such that the 5th harmonic is reduced by 20 dB in the gate voltage Vg(t).
Consider a CE circuit, where trans-conductance is 50mΩ-1, diffusion capacitance is 100 pF, transition capacitance is 3 pF. IB = 20μA. Given base emitter dynamic resistance, rbe = 1000 Ω, input VI is 20*sin(107t). What is the short circuit current gain?
A. Design a fixed bias-transistor circuit using VBB = VCC = 10 V for a Q-point of IC = 5 mA and VCE_ 4 V. Assume βDC = 100.The design involves finding RB and RC. B. 4. Design an emitter bias network at Q-point ICQ = ½ ICsat and VCEQ = ½ VCC. Use VCC = 20 V, ICsat = 10 mA, β = 120, and RC = 4RE
(a) The signal voltage applied across the gatesource terminals of an MOS transistor is given by υgs = VM sin 5000πt, and VGS − VT N = 0.75 V.Calculate the total harmonic distortion in the drain current of the MOSFET based upon Eq. 13.70 if VM = 150 mV. (b) repeat for VM = 300 mV.(c) Repeat for VM = 75 mV.
fT = 500 MHz, rx = 300 Ω, Cμ = 0.75 pF, CGS = CGD = 2.5 pF. (a) What are the midband gain and upper-cutoff frequency for the common-emitter amplifier (a) if IC = 1 mA and βo = 100? (b) What is the gain bandwidth product for this amplifier? (c) What is the value of the current gain of the transistor at f = fH ? Make use of the CT approximation.
Figure 1 illustrates a BJT amplifier with voltage gain of -115. a) Identify the capacitors in Figure 1, whose influences are negligible when considering the frequency response over high frequency range of > 1MHz. Explain briefly the reason. b) Identify the capacitor that needs treatment using the principle of "Miller effect capacitance". Calculate the input and output capacitances. c) Determine the upper-cut off frequency of the circuit, which is due to the output of the network only

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Given: A self-bias circuit has Rr = 3.9 KQ, R = 1. 8 KQ at 27 °C. If Vc and Re are adjusted to establish a collector current of 1.5 mA, determine the collector current lç at 10 °C and at 70 °C. T,°C 10 °C 27 °C 70°C lco, nA 1.8x 103 1 25,000 Ves, volts 0.9 0.6 0.2 25 50 90