The three-port device with an s-matrix of s=14a. Directional couplerb. Wilkinson power dividerc. Isolatord. Circulator/0 0 11 0 0 is:01 0/An RF amplifier has an s-matrix in which S₁2 = 0. What can be said about the stabilityof this amplifier?a. The amplifier is unstable for all loadsb. The amplifier is stable only when the load VSWR<2:1c. The amplifier is unconditionally stabled. The amplifier is stable only for real load impedances

"Since you have posted multiple questions, we will provide the solution only to the first question…

Answered: 5. The three-port device with an…

5. The three-port device with an s-matrix of s= 1 0 a. Directional coupler b. Wilkinson power divider c. Isolator d. Circulator is:

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

4) Below is the small signal model of a multistage amplifier. Using this model, write the equationsthat you would need to determine the voltagegain. IMPORTANT: You only need to providethe equations that you would need to determinethe voltage gain. You DO NOT need to combine and simplify the equationsto determine a final expression for the voltagegain. Vin Vo Vb vo1 Rb R13 Vbe1 Vbe2 'e gm 1 Vbe1 gm 2 Vbe2 Rc2 Rc1 Re
Prob 1: For each of the 8 circuits below, draw small signal model and calculate Vout/Vin. Vb1, Vb2 are dc voltage sources, and I1 is an ideal de current source. Ignore body effect for all problems. Vb₁k Vb2 VinM₂ VDD M3 = (e) M₁ Vout M3 VDD Vout o Vb1M₂ VinM₁ (f) M3 Vino VDD Vb1M₂ M₁ (g) Vout Vin M3 M₂ M₁ (h) VDD o Vout 1₁
Prob 1: For each of the 8 circuits below, draw small signal model and calculate Vout/Vin. Vb1, Vb2 are dc voltage sources. and I1 is an ideal dc current source. Ignore body effect for all problems. Vino M3 M₂ M₁ (a) VDD J Vb₁ M3 (e) VDD VinM₂ Vb2M₁ Vb3 Vb2 - Vout Vb1 Vout HE Vout o Vb₁ VinM₂ 46! M3 (b) VDD B M₁ T. M3H (f) VDD VinM₁ M₂ Vout VinM₂ 4M₁ (c) M3 M3 VDD VDD 74 Vb1M₂ Vino M₁ (g) Vout Vout Vb1 Vb2 HE Vin VinM₂ M3 M3 VDD (d) HL M₁ M₁ -o Vout M2o Vout 1₁ (h) VDD
Consider the amplifier shown. Draw the corresponding small signal model. ● Label Vin and Vo. ● Vin Do NOT make any approximations. Vcc WWW W R1 R2 Vcc W M2 Q1 Vcc 1: Idc Vo
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)
Design a linear amplifier, based on a bipolar junction transistor 2N3904 in common emitter configuration. The supply voltage is 28V. The quiescent operating collector current for the amplifier should be around 10mA. The data sheet for the transistor shows that the DC current gain at this operating current is about 200. Draw the circuit diagram of your design. Label all the components in the circuit. Show all the voltages and currents that you use for calculations in your design. Label them using consistent naming convention.
3-) a) For the circuit given below find the three terminal voltages and the three terminal currents. Assume ß= 100. b) By drawing a small-signal model find the gain Avo, where Avo is no load voltage gain i.c Vand V is no input signal applied input of the amplifier. c) If a signal, vsig, with output resistance 1 k2 is attached to the input, and the output is open, what is the overall voltage gain, vo / vsig? 2K 13K IK XIL F +15 V Vo
For the BJT circuit shown below, sketch the hybrid equivalent model circuit with labels of voltages, impedances, and currents. ... 1.8k0 Vo 39ka 22ko tuF-POL 10UF-POL 1200 1uF-POL 2N2221 100mv 1.5KHZ ODeg
1) For the questions below use only your own words to explain a) Consider voltage gain of an amplifier is given as -120 and the efficiency according to physical laws must be less than 1 so explain that how it is possible? b) Explain the reason of minus sign in gain of the amplifier. c) What is an n channel FET device?
1) For the questions below use only your own words to explain a) Consider voltage gain of an amplifier is given as -120 and the efficiency according to physical laws must be less than 1 so explain that how it is possible? b) Explain the reason of minus sign in gain of the amplifier. c) What is ann channel FET device? d) What is the difference between npn and pnp transistor? e) Draw the energy level diagrams of semiconductor, insulator and conductor. D Show and explain the amplification in AC domain. g) List the major differences between FET and BJT h) Draw a generic transfer curve for a diode. Define breakdown voltage, zener region, threshold value of a diode and show these elements on the curve. i) Explain the conditions of cut-off, saturation and linear region of a transistor and show on the transfer curve ) What is avalanche current? Explain. +20 V le imA) 60 A 1.SkQ 39 &Q y or 10 uF Vex 3.3 A2 0.5 10 A = SO 20
Q_. A simple comparator and a Schmitt trigger are shown in Figures 2(a) and _(b). The maximum output voltage, Vmax, can switch between -10 V and ! 10 V for both circuits. The lower and upper trigger levels of the Schmitt trigger are -1 V and 12 V, respectively. a) b) Based on the information given above, sketch the transfer characteristics for both circuits. +2V Show that the hysteresis of the Schmitt trigger of Figure 2(b) can be expressed as c) Using the parameters provided above, determine the ratio of R₂/R₁ for the circuit of Figure 2(b). 1₂ Vhys = Figure 2(a) 2.R₁-Vmax R₁ + R₂ V₂ KŲ +0.6V R₂ Figure 2(b) Tºv.
) The noise figure of an amplifier is 28DB. Calculate the output signal- to- noise ratio when the input signal- to- noise ratio is 35dB. (Show your calculation) 21. A) 10dBm B) 7dB C) 28DB D) 42dBm