Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Chapter 20, Problem 10ST
To determine
To identify:The factor which controls the transconductance of a given amplifier
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The input bias current for the circuit given below is
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VOIB
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FEEDBACK AMPLIFIERS
In the figure below find the all variable feedback amplifier if hfe is equal
to 100 and hie is equal too 1K. if Rs = 2Kohm
Vcc
10 K
100 K
ww
R'
R
ww
Chapter 20 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 20 - An instrumentation amplifier requires separate...Ch. 20 - Instrumentation amplifiers have excellent...Ch. 20 - The higher the gain of an instrumentation...Ch. 20 - An isolation amplifier is the same as an...Ch. 20 - An isolation amplifier is commonly used in...Ch. 20 - Prob. 6TFQCh. 20 - Prob. 7TFQCh. 20 - Prob. 8TFQCh. 20 - An active limiter circuit uses a diode in the...Ch. 20 - Prob. 10TFQ
Ch. 20 - To make a basic instrumentation amplifier, it...Ch. 20 - Prob. 2STCh. 20 - Prob. 3STCh. 20 - Prob. 4STCh. 20 - Prob. 5STCh. 20 - Prob. 6STCh. 20 - Prob. 7STCh. 20 - Prob. 8STCh. 20 - In an OTA, the transconductance is controlled by...Ch. 20 - Prob. 10STCh. 20 - An OTA is basically a voltage-to-current amplifier...Ch. 20 - Prob. 12STCh. 20 - When the + input of the clamper op-amp is...Ch. 20 - Prob. 14STCh. 20 - Prob. 15STCh. 20 - Determine the voltage gains of op-amps A1 and A2...Ch. 20 - Prob. 2PCh. 20 - Prob. 3PCh. 20 - Prob. 4PCh. 20 - What is the voltage gain of the INA333...Ch. 20 - Determine the approximate bandwidth of the...Ch. 20 - Specify what you must do to change the gain of the...Ch. 20 - Determine the value of RG in Figure 20-46 for a...Ch. 20 - The op-amp in the input stage of a 3656Â KG...Ch. 20 - Determine the total voltage gain of each 3656KG in...Ch. 20 - Specify how you would change the total gain of the...Ch. 20 - Prob. 12PCh. 20 - Specify how you would connect each amplifier in...Ch. 20 - A certain OTA has an input voltage of 10 mV and an...Ch. 20 - A certain CYLA with a transconductance of 5000S...Ch. 20 - The output voltage of a certain OTA with a load...Ch. 20 - Prob. 17PCh. 20 - Prob. 18PCh. 20 - The OTA in Figure 20-49 functions an amplitude...Ch. 20 - Determine the trigger points for the Schmitt...Ch. 20 - Determine the output voltage waveform for the...Ch. 20 - Describe the output waveform of each circuit in...Ch. 20 - Determine the output voltage for the clamping...Ch. 20 - Repeat Problem 23 for the clamping circuit in...Ch. 20 - Describe the output waveform for each circuit in...Ch. 20 - Determine the output waveform for the active...Ch. 20 - Show the output voltage for the zener diode...Ch. 20 - Repeat Problem 27 if the input is reduced to a...Ch. 20 - What is the ideal output voltage for a peak...Ch. 20 - Determine the load current in each circuit of...Ch. 20 - Devise a circuit for remotely sensing temperature...Ch. 20 - Prob. 33PCh. 20 - Open file P20-34 and determine the fault.Ch. 20 - Prob. 35PCh. 20 - Open file P20-36 and determine the fault.
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- Q) What is the type of negative feedback in the given circuit * Vc Rc Rg RE O Voltage shunt feedback Current series feedback O Current shunt feedback O Voltage series feedbackarrow_forwardIn class C operation, the operating point is generally located above cut off point + of the DC load line. above cut off point At saturation point below cut off point at cut off point at the middle Negative feedback added to an op-amp increases the bandwidth and increases the gain.arrow_forwardA = 100,000. Resistor values are RI – 1000 Ω and Rf = 10,000 Ω. What is the feedback return, and what is the amplification of the feedback amplifier?arrow_forward
- Q-4: For the collector-feedback circuit shown in Figure 3, determine the percent change in the Q-point when the first transistor with Bpc = 100 replaced by a transistor with Bpc = 300. Vec +10 V RC 10 kf Ra 180 k Figure-3arrow_forwardAn amplifier has an open loop voltage gain of 1,00,000. With negative voltage feedback, the voltage gain is reduced to 100. What is the sacrifice factor?arrow_forwardThe type of the feedback in this circuit is: VDD lin M X Rp1 M₁ Select one: O a. series-shunt t feedback O b. shunt-shunt O c. series-series feedback O d. shunt-series feedback - Voutarrow_forward
- Q) What is the type of negative feedback in the given circuit * Q Vcc Rc Rs RE Voltage shunt feedback Current series feedback Current shunt feedback O voltage series feedbackarrow_forwardWhat is an A/D converter with Voltage-to-Frequency Conversion (VFC)? What is the working principle?arrow_forwardAn op-amp differentiator circuit is configured as having a O capacitor as the input element and resistor as the feedback element capacitor as the feedback element and diode as input element O resistor as the input element and capacitor as the feedback element O capacitor as the feedback element and diode as input elementarrow_forward
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Current feedback amplifiers - Overview and compensation techniques; Author: Texas Instruments;https://www.youtube.com/watch?v=2WZotqHiaq8;License: Standard Youtube License