A. IF and RF
B. RF and AF
C. IF and AF
D. RF and local oscillator signal
Related Mcqs:
- Most of the amplification in a superhetrodyne receiver occurs at ______________stage?
A. IF
B. RF amplifier
C. Audio amplifier
D. Detector - In a superhetrodyne receiver, the difference frequency is chosen as the IF rather than the sum frequency because _________________?
A. The difference frequency is closer to oscillator frequency
B. Lower frequencies are easier to amplify
C. Only the difference frequency can be modulated
D. None of the above - The superhetrodyne principle provides selectivity at ______________stage?
A. RF
B. IF
C. audio
D. Before RF - The signal voltage induced in the aerial of a radio receiver is of the order of_____________?
A. mV
B. µV
C. V
D. None of the above - The signal voltage induced in the aerial of a radio receiver is of the order of ________________?
A. mV
B. µV
C. V
D. None of the above - In a radio receiver, noise is generally developed at _______________?
A. IF stage
B. Receiving antenna
C. Audio stage
D. RF stage - The IF is 455 kHz. If the radio receiver is tuned to 855 kHz, the local oscillator frequency is _______________?
A. 455 kHz
B. 1310 kHz
C. 1500 kHz
D. 1520 kHz - In a radio receiver, we generally use ………….. oscillator as a local oscillator
A. Crystal
B. Wien-bridge
C. Phase-shift
D. Hartley - The diode detector in an AM radio receiver is usually found _____________?
A. Before the first RF stage
B. After the first RF stage
C. After several stages of amplification
D. None of the above - In a TRF radio receiver, the RF and detection stages are tuned to______________?
A. Radio frequency
B. IF
C. Audio frequency
D. None of the above
