Project Proposal
Fm Receiver GROUP Ali Raza: 92053 Ata Ur Rahman Khalid: 92057 Faizan ali 92058 Muahmmad naou bahar 92036 3rd SEMESTER ELECTRICAL ENGINEERING SUBJECT: ELECTRONICS-II DEPARTMENT OF ELECTRICAL ENGINEERING Federal Urdu University of Arts, Science &Technology ISLAMABAD
Introduction: Fm receiver receiver receives the frequency from 88 Mhz to 108 Mhz.
Objective: 1
our objective is to learn about RLC circuit and application of this circuit as a FM receiver.
Hardware: Capacitors, Inductors, resistors, loudspeaker
Block Diagram
Specifications: Rf amplifier: This circuit must be capable of amplifying any frequency between 88 Mhz 2
and 108 Mhz. it is higly selective so that it es only the selected carrier frequency and significant side-band frequencies that contain the audio.
Local Oscillator: This circuit produces a sine wave at frequency 10.7 MHz above the selected Rf frequency.
Mixer : This circuit performs the same function as in the am receiver ,except that it is out put is 10.7 MHz Fm signal regardless of RF carrier frequency.
If Amplifier: This circuit amplifies the 10.7 MHz Fm signal.
Limiter The limiter removes any unwanted variations in the amplitude of the fm signal as it comes out of the IF amplifier and produces a constant amplitude FM output at 10.7 MHz intermediate frequency.
Discriminator: The circuit performs the equivalent function of the detector in an Am system and is sometimes called a detector rather than a discriminator. The discriminator recovers the audio from Fm signal.
Audio and Power Amplifiers: This circuit is the same as in the AM system and can be shared when there is a fm configuration.
Project schedule: Date
Task
Person involved
Oct16,2010
Preparation of project proposal
Ata ur rahman Khalid Naou bahar 3
Nov14,2010
Lab work
Nov29,2010
Lab work
Dec17,2010
Lab work
Dec 29,2010
Preparation of project report
Jan5,2010
Presentation of project report
Faizan ali Ali raza Faizan ali Naou bahar Ata ur rahman Khalid Ali raza Ata ur rahman Khalid Faizan ali Ata ur rahman Khalid Naou bahar
Estimated cost: Components
Quantity
price
resistors capacitors
15 10
60 50
Inductors Loud speaker Wiro board
08
40 30 30
Total
01 01
210/-
Source: Source of our hardware components is saeed electronics Rawalpindi.
References: Electronics devices flyod Electronics-lab.com
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