A signal source with an open-circuit voltage of Vs = 2 mV rms and an internal resistance of 50 kΩ is connected to the input terminals of an amplifier having an open-circuit voltage gain of 100, an input resistance of 135 kΩ , and an output resistance of 4 Ω. A 4 Ω load is connected to the output terminals.
Find Voltage gain Avs = V0/Vs
Find voltage gain Av = V0/Vi
Find current gain Ai
Find power gain G
Thanks!
A signal source with an open-circuit voltage of Vs = 2 mV rms and an internal...
If a l V rms signal source with an internal resistance of 50 Ω is connected to the amplifier in Figure what is the actual rms signal applied to the amplifier input? Assume Bac 200 +15 V RI 1.0 kΩ 01 Di C3 02 75 Ω 1.0 kΩ Class C Power Amplifiers A certain class C amplifier transistor is on for 10 percent of the input cycle. If Veetsa) 0.18 V and Ie(sa)25 mA, what is the average power dissipation...
Please solve all for me Q1. An inverting amplifier circuit design has an input resistance R1 = 10 kΩ, and feedback resistance R2 = 25 kΩ and an input voltage source VS = 0.5V. Sketch the circuit diagram and find the voltage gain Av in dB, output voltage vo, input source current is, feedback current i2, and output current io of the amplifier circuit. What is the operating bandwidth of this amplifier circuit? Q2. Design an inverting amplifier circuit...
An amplifier has an open-circuit voltage gain of 160. With a 10 kΩ load connected, the voltage gain is found to be only 80. Find the output resistance of the amplifier. Ro=
Draw and explain the gain frequency characteristic of a resistance–capacitance-coupled amplifier. Reference should be made to mid-band frequencies and to cutoff points. An amplifier has an open-circuit voltage gain of 800, an output resistance of 20 Ω and an input resistance of 5 kΩ. It is supplied from a signal source of e.m.f. 10 mV and internal resistance 5 kΩ. If the amplifier supplies a load of 30 Ω, .
1.0 kn. RE-390 Ω, r-15 Ω. and ßac-75. 5. For a common-emitter amplifier, Rc Assuming that Rg is completely bypassed at the operating frequency, the voltage gain is (a) 66.7 (d) 75 (b) 2.56 (c) 2.47 6. In the circuit of Question 5, if the frequency is reduced to the point where Xctbypass) RE, the voltage gain (a) remains the same (b) is less (c) is greater 7. In a common-emitter amplifier with voltage-divider bias, Rimlbase) 68 k2, Ri 33...
(a) The figure below shows the small-signal equivalent circuit of a voltage amplifier. The open-circuit output of the supply v10 V (i) Determine the resistances if the regulation should be less than 5 % when 1 W is being delivered to a resistive load connected across vo in the mid frequency range. If the low frequency 3dB point is at 1 kHz and the high frequency 3 dB point is 100 kHz what are the capacitance values. Assume the circuit...
Consider a nonideal voltage source with open circuit terminal voltage 1 volt and an internal resistance 10 k(2. It is connected to a load of resistance 1 k? as shown below. 1k2 Find the voltage UL between terminals a and b. Also find the current i1.
Problem 1.50 Design an amplifier that provides 0.5 W of signal power to a 100 Ω load resistance. The signal source provides a 30 mV rms signal and has a resistance of 0.5 M2. There types of voltage- amplifier stages are available: A) A high-input-resistance type with Ri': 1 Mn, Avo-: 10, and Rout-: 10 kn B) A high-gain type with Rin 10 k2, Apo-100, and Rout 1 k2. C) A low-output-resistance type with Rin 10 kn, Avo 1, and...
A CE amplifier utilizes a BJT with β = 100 biased at IC = 0.5 mA; it has a collector resistance RC = 10 kΩ. Find Rin, Ro, and Avo. If the amplifier is fed with a signal source having a resistance of 10 kΩ, and a load resistance RL =10 kΩ is connected to the output terminal, find the resulting Av and Gv. If the peak voltage of the sine wave appearing between base and emitter is to be...
Voltage amplifiers are available with Avoc= 8V/V, Rin = 1.8kOhms, Ro=850 Ohms. With a 12 V DC power source, each amplifier consumes 1.5 mA average current. a. How many amplifiers do you need to cascade to get at least a 1000 voltage gain with a load resistance of 1.0 kΩ? b. What is the voltage gain Av obtained? (Respond with a rounded whole number) c.For the cascade connection, find the open circuit voltage gain. d. If you have a 1.5...