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Tuned Amplifiers - Tutorialspoint
https://www.tutorialspoint.com/amplifiers/tuned_amplifiers.htm
Frequency Response of Tuned Amplifier. For an amplifier to be efficient, its gain should be high. This voltage gain depends upon β, input impedance and collector load. The collector load in a tuned amplifier is a tuned circuit. The voltage gain of such an amplifier is given by. Voltage gain = $\frac{\beta Z_C}{Z_{in}}$
Types of Tuned Amplifiers - Tutorialspoint
https://www.tutorialspoint.com/amplifiers/types_of_tuned_amplifiers.htm
Hence the tuned amplifier selects and amplifies the desired frequency signal. Frequency Response The parallel resonance occurs at resonant frequency f r when the circuit has a high Q. the resonant frequency f r is given by f r = 1 2 π L C The following graph shows the frequency response of a single tuned amplifier circuit.
Amplifiers - Learn About Electronics
http://www.learnabout-electronics.org/Downloads/amplifiers-module-01.pdf
Power amplifiers are used to receive the amplified input from a series of voltage amplifiers, and then provide sufficient power to drive loudspeakers. I.F. Amplifiers Intermediate Frequency amplifiers are tuned amplifiers used in radio, TV and radar. Their purpose is to provide the majority of the voltage amplification of a radio, TV or radar signal, before the
Tuned Amplifier : Circuit Diagram, Types and Its …
https://www.elprocus.com/tuned-amplifier-working-and-its-applications/
If the amplifier has only one tuned circuit then it is called a single tuned amplifier. This amplifier has only one tuned circuit at the collector terminal of the amplifier. The resonant frequency of this amplifier is Fr=1/2π, where L and C are the inductor and capacitors of the amplifier. If this amplifier has low bandwidth then it’s not able to amplify the complete signal equally.
Different Types of Amplifiers with their Working Principle
https://www.elprocus.com/types-of-amplifiers-with-workings/
Intermediate Frequency amplifiers are tuned amplifiers used in radio devices, TV sets and radar devices. The Main purpose is to provide the majority of the voltage amplification of a TV or radar signals, before the audio or video information carried by the signal is separated or demodulated from the radio signal.
What is an audio power amplifier ? Explain the difference ...
https://electronicspost.com/what-is-an-audio-power-amplifier-explain-the-difference-between-voltage-amplifier-and-power-amplifier/
A transistor amplifier which raises the power level of the signals that have audio frequency range is known as transistor audio power amplifier. A practical amplifier always consists of a number of stages that amplify a weak signal until sufficient power is available to operate a output device such as loud speaker.
RADIO-FREQUENCY AMPLIFIERS. - NIST
https://nvlpubs.nist.gov/nistpubs/ScientificPapers/nbsscientificpaper449vol18p335_A2b.pdf
coupling,second,tuned-platecoupling,and,third,transformercoupling. The range of frequencies which may be successfullyamplified by the first method usually hasan
Chapter 10: Amplifiers Frequency Response
https://staff-old.najah.edu/sites/default/files/Chapter%2010.pdf
10-3: Low Frequency Amplifier Response BJT Amplifiers: BJT Amplifier: The Input RC Circuit due to XC1, Vbase is less than voltage at midrange frequency (Vbase = Vin when XC1≈0) Lower Critical Frequency Critical point in the amplifier’s response occurs when the Vout is 70.7% of its midrange value. This may occurs at Vbase = 0.707 Vin (when Rin = XC1)
LENDI INSTITUTE OF ENGINEERING AND TECHNOLOGY
https://www.lendi.org/ECE/labmanuals/eca_lab-min.pdf
RC coupling is most popularly used type of coupling because it is cheap and provides excellent fidelity over a wide range of frequency .it is usually employed for voltage. PROCEDURE: 1) Connect the circuit as shown in the figure. 2) Apply 1Khz frequencyand 20mv Vp-p Sine wave from function generator..
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