A radar has a linear FM modulated pulse from 34GHZ to 35GHz. a. What is the...
A radar has a linear FM modulated pulse from 34GHZ to 35GHz.
a. What is the range resolution?
The radar has a 1ms transmit pulse width and uses stretch processing in the receive mixer. The receiver local oscillator ramp starts at a frequency of 33GHz at same time the transmit pulse is sent.
b. What is the IF frequency of a target at 4 km?
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A radar has a linear FM modulated pulse from 34GHZ to 35GHz.
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Question 5 superheterodyne receiver that The commercial FM broadcasting radio uses a has the following specifications:...
Question 5 superheterodyne receiver that The commercial FM broadcasting radio uses a has the following specifications: IF Filter Frequency: 10.7 MHz FM Radio transmitter carrier frequency range: 87.5 MHz to 108 MHz (a) Determine the local oscillator frequency range if low-side tuning is used. (b) Determine the local oscillator frequency range if high-side tuning is used (c) Determine the range of the image frequencies associated with a high-side tunning local oscillator
Question 5 superheterodyne receiver that The commercial FM broadcasting...
A radar receiver has a “wide open” front end with no RF filtering before the mixer....
A radar receiver has a “wide open” front end with no RF filtering before the mixer. It is intended to operate in C-Band at 9.825 GHz with a heterodyne receiver with an I.F. of 30 MHz and the local oscillator set to 9.855 GHz. What other “image” frequency will the receiver detect?
7) If f1= 5MHz and f2=7 MHz, find: a. 2nd order harmonics. b. 3rd order harmonics....
7) If f1= 5MHz and f2=7 MHz, find: a. 2nd order harmonics. b. 3rd order harmonics. c. 3rd order inter-modulation products (IMD) 8) In a superheterodyne receiver, the input RF frequency is 1 GHz. Find the IF frequency if the local oscillator frequency is 950 MHz? 9) Rank from 1 to 3 for linearity and efficiency with 1 as the most linear and most efficient. Class of amplifier Linearity Efficiency Class A Class B Class C 10) Which of the...
71. A superheterodyne receiver tunes at the frequency range from 25 to 50 MHz. What is the IF frequency of the rece...
71. A superheterodyne receiver tunes at the frequency range from 25 to 50 MHz. What is the IF frequency of the receiver if the range of the local oscillator is 10 MHz to 35MHz 75. An AM transmitter uses high-level modulation. The RF power amplifier draws 12 A from 22 V supply putting out a carrier power of 140 Watts. What impedance would be seen at the modulation transformer secondary? 72. A receiver has a sensitivity of 0Suv and blocking...
When the message signal m (t) =cos (2π fmt) and the carrier signal is c(t)=cos (2π fct) , fm<&...
When the message signal m (t) =cos (2π fmt) and the
carrier signal is c(t)=cos (2π fct) ,
fm<< fc,
The modulated DSB-SC signal
SDSB-SC=m(t)cos(2πfct) is generated, and only
the upper sideband
To generate and transmit the SSB signal. As shown in the figure
below, the receiver is a local oscillator
cosine signal to the received signal and passes it through a
low-pass filter. Answer the following questions.
(a) Draw the waveform of DSB-SC modulated signal
SDSB-SC(t）
(b)Find the result...
Question 5 superheterodyne receiver that The commercial FM broadcasting radio uses a has the following specifications: IF Filter Frequency: 10.7 MHz FM Radio transmitter carrier frequency range: 87.5 MHz to 108 MHz (a) Determine the local oscillator frequency range if low-side tuning is used. (b) Determine the local oscillator frequency range if high-side tuning is used (c) Determine the range of the image frequencies associated with a high-side tunning local oscillator
Question 5 superheterodyne receiver that The commercial FM broadcasting...
71. A superheterodyne receiver tunes at the frequency range from 25 to 50 MHz. What is the IF frequency of the receiver if the range of the local oscillator is 10 MHz to 35MHz 75. An AM transmitter uses high-level modulation. The RF power amplifier draws 12 A from 22 V supply putting out a carrier power of 140 Watts. What impedance would be seen at the modulation transformer secondary? 72. A receiver has a sensitivity of 0Suv and blocking...
When the message signal m (t) =cos (2π fmt) and the
carrier signal is c(t)=cos (2π fct) ,
fm<< fc,
The modulated DSB-SC signal
SDSB-SC=m(t)cos(2πfct) is generated, and only
the upper sideband
To generate and transmit the SSB signal. As shown in the figure
below, the receiver is a local oscillator
cosine signal to the received signal and passes it through a
low-pass filter. Answer the following questions.
(a) Draw the waveform of DSB-SC modulated signal
SDSB-SC(t）
(b)Find the result...
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