3.8 Example for Fixed-Bias JFETEXAMPLE 8.7 The fixed-bias configuration of Example 7.1 had an operating point definedby VGSO = -2 V and Ip.is redrawn as Fig. 8.14 with an applied signal V;. The value of yos is provided as 40 µS.5.625 mA, with Ipss = 10 mA and Vp = -8 V. The network%3Da. Determine 8mb. Find ra.c. Determine Z;.d. Calculate Z..e. Determine the voltage gain A..f. Determine A, ignoring the effects of r4.9 20 VRp2 k2C2Ipss= 10 mAVp= -8 VRGVoZaI MQV2 VFigure 3.4 Example for Fixed-Bias Circuit.

For the given Fixed Bias JFET IDSS = 10mA Vp = -8V VGSq = -2V IDq = 5.625 mA Yos = 40 u S

EXAMPLE 8.7 The fixed-bias configuration of Example 7.1 had an operating point defined by VGso is redrawn as Fig. 8.14 with an applied signal Vị. The value of yos is provided as 40 µS. = -2 V and lDo 5.625 mA, with Ipss = 10 mA and Vp = -8 V. The network a. Determine gm b. Find ra. c. Determine Z;. d. Calculate Z,. e. Determine the voltage gain A.. f. Determine A, ignoring the effects of rą.

EXAMPLE 8.7 The fixed-bias configuration of Example 7.1 had an operating point defined by VGso is redrawn as Fig. 8.14 with an applied signal Vị. The value of yos is provided as 40 µS. = -2 V and lDo 5.625 mA, with Ipss = 10 mA and Vp = -8 V. The network a. Determine gm b. Find ra. c. Determine Z;. d. Calculate Z,. e. Determine the voltage gain A.. f. Determine A, ignoring the effects of rą.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

ENGINEERING UTILITIES (UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS LEGIBLY. NO LONG EXPLANATION NEEDED. ANSWER IN 3 DECIMAL PLACES. BOX THE FINAL ANSWER.)
Electronics Circuit: BJT biasing A fixed bias NPN BJT (Beta = 80) circuit is connected to a 12VDC supply. The current flowing through the Base is 40 microAmp while the Collector Voltage (Vc) = 6V. Determine the value of Base Resistor (Rb). а. 2.825 KOhms b. 2.825 MOhms с. 282 500 Ohms d. 0.2825 micro Ohms
Q12) The gain of vertical deflection amplifier in CRT is 90. If an input signal of 110mV is applied, it will produce electrical field of 33V/cm and vertical deflection of electrons beam on the center of plates of 4.31x10 cm with an angular deflection given by arctan (0.0137). The electrons enter the plates with a velocity of 3.2479x10 cm/sec, and deflection sensitivity of 0.055cm/V. Determine: 1) The dimensions of vertical deflection plates {long, a part (1,d)}. 2) The distance from the end of deflection plates to the screen. { 2.5cm, 0.3cm, 38.49cm}
Derive expressions for : Zi,Zo,Av,Ai
Give answer soon
Given a 50MVA, 3.3kV generator has a synchronous impedance of 10%. Find the per unit impedance on a base of 100 MVA and 5 kV. None of these 1 Z pu= 8.7%.20 Z pu=0.87 pu 30 Z pu=0.087 pu
The problem are DC analysis problems. For each of the circuits verify the mode of operation and solve for all applicable DC voltages and currents. > When you "verify" a mode of operation you will need to calculate all three voltages (Vc, Ve, VE for BJTS and VG, Vs, Vp for MOSFETS) and show the correct two conditions are satisfied. > Assume Capacitors acts like open circuits at DC and short circuits for AC. > Assume the following: O Beta = 100 O VBE = 0.7 o V: (Thermal) = 26 mv o V (Threshold) = 2V O VA = -- o For MOSFET saturation mode: assume Ip = K(Ves-V-)? (Assume K = 10 mA/V²). 12V R2 1.0kn R1 100kn 01 R3 >1.0kn -12V
8.28 Design an inverting summing amplifier to obtain the following weighted sum of four different signal sources: Vout = -(2 sin wit + 4 sin wzt+ 8 sin wzt+ 16 sin wt) Assume that Rp = 5 k2, and determine the required source resistors.
8. A. How does a common source amplifier compare to a common emitter amplifier in terms of its input resistance, its output resistance, and its voltage amplification? Give typical values for each type of amplifier when operating at 1mA. B. When would you choose a common emitter amplifier verses a common source amplifier and vice versa and why so? C. When would you choose a common collector amplifier and when would you choose a common base amplifier and why so? D. When would you choose an operational amplifier instead of a common emitter or common source amplifier and why so?
Q4 With reference to the BJT amplifier of Figure 4 and to the collector characteristic curves of Figure 5, determine a) The DC operating point of the BJT. b) If is varies between (75 to 150) µA. plot the signal of is, is and Vee on figure 3b R₂ = 10 ks; Rc = 300 S2; VBB = 1.7 V; Vcc = 12 V; V = 0.6 V. ic (t) Ic (mA) 50 28.6 22 15.3 ww RB AVB VBB 5 is (1) + B VBE (1) + VCE (1) Figure 4 Figure 5 + Vo (1) -OE Vcc. Re 10 Ig = 230 με 190 μA 150 με 110 με 75 μA 35 μA 15 VCE (V)