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What is the definition of audio-frequency transformer?
An audio frequency transformer is a transformer designed to operate in the range of frequencies audible to the average human. This range is generally accepted to be from 20 Hz to 20,000 Hz. The usual purpose of an audio transformer is to match impedances between circuit sections. For example: between a microphone and the input of an amplifier, (input transformer), or between the output of an amplifier and the loud speaker. (output transformer).
What causes squeal or noise in a sound system?
A loud "squeal" or "screech" - also known as "feedback noise" - is usually only generated if there is an audio input device for an amplifier, for example a microphone, that is being used too close to an audio output device for the same amplifier, for example a speaker.
Viva questions for RC phase shift oscillator?
A phase-shift oscillator is a simple electronic oscillator circuit. It consists of an inverting amplifier element such as a transistor or op amp, with its output fed back into its input through an filterconsisting of a network of resistors and capacitors. The feddback network 'shifts' the phase of the amplifier output by 180 degrees at the oscillation frequency, to give positive feedback.[1] Phase shift oscillators are mostly used at lower frequencies, often in the audio frequency range as audio oscillators.
What are the advantages of wien bridge oscillator?
RC phase shift oscillator is used to generate frequency in audio range and it is a fixed audio frequency oscillator where as wien bridge oscillator is a variable audio frequency oscillator for high frequency oscillations it is better to design wide band amplifier with LC network
What is the name of the tube used in class A amplifier with the function of dual triode developed in USA and published in September 15 1947?
There are two names for the tube used in Class A amplifiers developed in the USA. This valve in the US is called vacuum tube audio amplifier. In the UK they are known as valve audio amplifiers.
How sound amplifier circuit works?
A sound (audio) amplifier works by making a larger copy, or series of copies, of a weak signal.
Which is the best audio amplifier IC for amplify audio signal?
the radio has an input amplifier bt u can also make a simple horm circuit...... or but a jec 600 n dat will du
Which amplifier is provided with a bootstrap?
audio amplifier
Will connecting speakers in series cause volume loss as the circuit progresses?
Yes. And it will also present the wrong load impedance (mismatch) at the output of the audio amplifier, with the possibility of damage to the amplifier.
Were do you buy a voltage amplifier?
In audio look at an amplifier. It will be always a voltage amplifier.
Are there any logic chips that could be used to process audio?
I've seen a Logic chip, 2 input quad NAND gate IC, that was set up as a Audio amplifier circuit.
What would be the purpose of a headphone amplifier?
A headphone amplifier is a type of audio amplifier. Instead of an amplifier that's designed to push through audio signals to speakers, a headphone amplifier is designed to work with headphones. These are common in devices such as MP3 players.
What is wideband amplifier?
A wideband amplifier is an electronic circuit providing constant amplification with a ratio of its low corner frequency to its high corner frequency of more than an octave. The widwband amplifier is complementary in concept to "audio amplifier" (20Hz-20KHz) and "video amplifier" (15KHz to 4.8MHZ). The "opposite" concept is the narrow-band or tuned amplifier. There's a new wideband amplifier technology called PowerBand from TriQuint Semiconductor. end-
What are the Difference Between AF Amplifier and RF Amplifier?
The amp for audio freq. is a AF amplifier. The RF amp is for radio freqs.
What is the definition of audio-frequency transformer?
An audio frequency transformer is a transformer designed to operate in the range of frequencies audible to the average human. This range is generally accepted to be from 20 Hz to 20,000 Hz. The usual purpose of an audio transformer is to match impedances between circuit sections. For example: between a microphone and the input of an amplifier, (input transformer), or between the output of an amplifier and the loud speaker. (output transformer).
What are the downsides of using an amplifier for one's car audio system?
There are many downsides of using an amplifier for one's car audio system. Some downsides for using an amplifier for one's car audio system includes bothering those around them due to the noise and harming one's ears.
Why RC coupled amplifier is called audio amplifier?
Because radio control relies on different frequencies. Since frequencies are involved in the process, an audio amplifier can be used to amplify alternating currents (currents that change), and it does the same job.
