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The two inputs to a mixer are the signal to be translated and a signal from aa.L.O.b.Modulatorc.Antennad.Filter

Question

The two inputs to a mixer are the signal to be translated and a signal from

aa. L.O.
b. Modulator
c. Antenna
d. Filter

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Solution

The two inputs to a mixer are the signal to be translated and a signal from a Local Oscillator (L.O.). The mixer is a key component in many RF (Radio Frequency) applications for frequency translation.

Here's a step-by-step explanation:

  1. The signal to be translated: This is the original signal that you want to change or "translate" in frequency. It could be any form of data or information that has been modulated onto a carrier wave at a certain frequency.

  2. The signal from a Local Oscillator (L.O.): This is a signal generated by a device within the mixer called a Local Oscillator. The frequency of this signal determines how much the frequency of the input signal will be shifted or "translated".

  3. The mixer: The mixer takes these two signals as inputs and produces an output that is the sum and difference of the frequencies of the input signals. This process is known as frequency mixing or frequency translation.

So, in summary, the two inputs to a mixer are the signal to be translated and a signal from a Local Oscillator (L.O.).

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