If in a radio receiver, RF signal has a frequency of 800 kHz and local – McqOptions

MCQOPTIONS

1.	If in a radio receiver, RF signal has a frequency of 800 kHz and local oscillator that of 1000 kHz, then at the output of the mixer, the frequencies found would be __________ kHz.
A.	800 to 1000
B.	200, 800, 1000, 1800
C.	only 200
D.	only 1800
Answer» D. only 1800

Discussion

No Comment Found

Related MCQs

<p>What about the stability of system in <img src="/_files/images/electronics-and-communication-engineering/signals-and-systems/19-326.png"></p>
<p>An energy signal has G(<i>f</i>) = 10. Its energy density spectrum is</p>
<p>The first geostationary satellite launched in 1965 was called</p>
<p>Rotation of a geosynchronous satellite means its</p>
<p>The present total cost per watt of power generation in geosynchronous orbit is nearly Rs.</p>
<p>For F<sub>1</sub> layer the maximum ionic density is 2.3 x 10<sup>4</sup> electrons per cc. The critical frequency for this layer will be</p>
<p>Which one of the following does represents the electric field lines for the TE<sub>02</sub> mode in the cross section of a hollow rectangular metallic waveguide?</p>
<p>Radiation intensity of a dipole depends strongly on frequency. If at a frequency <i>f</i>, the intensity of radiation is 'I'. Then at a frequency of <i>f</i>/2, the intensity will be</p>
<p>The input impedance of short-circuited line of length <i>l</i> where /4 < <i>l</i> < /2, is</p>
<p>A wave is propagated in a waveguide at frequency of 9 GHz and separation is 2 cm between walls find cut off wavelength for dominant mode.</p>