Design & Construct FM Radio Receiver 87.5-108MHz

In summary, the objective is to build a simple FM radio receiver that can tune to commercial FM broadcast channels spanning from "87.5 MHz to 108 MHz". The receiver should produce audible demodulated output.
  • #1
misz_univerze
3
0
The objective is to "design and construct an FM radio receiver" that is able to tune to commercial FM radio broadcast channels spanning from "87.5 MHz to 108 MHz", and to produce audible demodulated output.
can anybody help me with a simple circuit for this assignment with proper values for the caps n other components...
n wat is the formula i can use to calculate the proper values for this components for the frequency specified above...
 
Engineering news on Phys.org
  • #2
Well, if we give you everything, you won't be designing and constructing an FM radio receiver, with emphasis on design, right?
The way your question is structured, it sounds like you have no idea what goes into building such a circuit. Is this true? Can you at least break this circuit into smaller subcircuits?
 
  • #3
ok... ur very right... i seriously have no idea where to start n where to head... I am in need of serious guidance... i found something from this link I've attached below... but I am not sure how to relate it wit the question i have been given... please help me through this task... http://www.somerset.net/arm/fm_only_one_transistor_radio.html
 
  • #4
Welcome to PF, Misz.
As Ranger indicated, solutions to problems of an academic nature are not provided here. You will get guidance only. It isn't PF's mandate to solve people's problems, but to help them solve them on their own initiative. The exception to that is when someone with a real-life problem needs assistance to dispell it; then we brainstorm it.
Since this is a sore point with me, I will ask if the solutions are in your textbooks or course material?
This might be due to me being a baby-boomer, but it seems to me that lately a lot of test questions are beyond the scope of what has been taught. I never saw an exam question (or even pop quiz) that dealt with anything that we hadn't already covered in class.
 
  • #5
misz_univerze said:
ok... ur very right... i seriously have no idea where to start n where to head... I am in need of serious guidance... i found something from this link I've attached below... but I am not sure how to relate it wit the question i have been given... please help me through this task... http://www.somerset.net/arm/fm_only_one_transistor_radio.html

Well an FM receiver is circuit that consists of many of many other major subcircuits. I suggest that you practice the "divide and conquer" rule. Take your FM receiver, break it up into its major parts. The block diagram from wiki should get you started. Surely you've covered the concepts and applications of filters, amplifiers, etc?

Is it a requirement for you to use discrete components only? Using an IC such as the TDA7088 may help you out.

Also, try google images and see if you can find some schematics on FM receivers. You can observe techniques employed from RF filter to the audio output.

http://en.wikipedia.org/wiki/Radio_receiver_design
http://home.hetnet.nl/~a.van.waarde/id21.htm
http://stuff.nekhbet.ro/2006/06/25/how-to-build-a-very-simple-fmam-receiver-using-tda7088.html
http://www.circuits.8m.com/Fm-radio.htm
 
Last edited by a moderator:
  • #6
ok... the things u gave me... look pretty complicating.. we were to told to build a simply circuit... dats it... so I am not sure if i can use a TDA7088...
 
  • #7
hi,
i am having same problem and looking for a solution
thanks
 

1. How does a FM radio receiver work?

A FM radio receiver works by receiving electromagnetic signals from radio stations and converting them into sound waves that can be heard through speakers. The receiver uses a tuner to select a specific frequency, amplifies the signal, and then demodulates it to retrieve the audio signal.

2. What is the frequency range of the FM radio receiver?

The FM radio receiver has a frequency range of 87.5-108MHz. This means it can receive radio signals that are transmitted within this frequency range.

3. How do I choose the right components for building a FM radio receiver?

To build a FM radio receiver, you will need to choose components such as a tuner, amplifier, and demodulator. These components should be compatible with each other and have a frequency range that covers 87.5-108MHz. It is important to research and consult with experts to ensure you have the right components for your specific project.

4. Can I build a FM radio receiver without any prior knowledge or experience?

Building a FM radio receiver requires some knowledge and experience in electronics and circuitry. It is not recommended for beginners to attempt building a FM radio receiver without any prior knowledge or guidance. It is important to have a basic understanding of components, circuitry, and soldering before attempting this project.

5. Can I modify the FM radio receiver to receive other frequencies?

It is possible to modify the FM radio receiver to receive other frequencies, but it may require advanced knowledge and skills in electronics. You will need to research and understand the components and circuitry of the FM radio receiver to make any modifications. It is important to proceed with caution and consult with experts to avoid damaging the receiver.

Similar threads

What is the expected coverage range for my FM radio station in Lahore, Pakistan?
    • Electrical Engineering
Replies
7
Views
1K
FM Radio receiver in RLC circuit with .200 microH Inductor
    • Introductory Physics Homework Help
Replies
5
Views
10K
Finding resistance in an LC Circuit (FM Radio)
    • Introductory Physics Homework Help
Replies
4
Views
3K
Designing a FM radio receiver
    • Introductory Physics Homework Help
Replies
2
Views
8K
Constructive or destructive interference- Car radio
    • Introductory Physics Homework Help
Replies
7
Views
4K
Wavelengths of a laser pulse and inductance in tuning of an FM radio
    • Introductory Physics Homework Help
Replies
1
Views
7K
Designing a Diode-RC AM Demodulator: Component Values for 1MHz fc and 10kHz fm
    • Electrical Engineering
Replies
2
Views
6K
Design a FM tranmitter step by step (advanced questions)
    • Electrical Engineering
Replies
1
Views
3K
Find an FM Radio station's wavelength, frequency given
    • Introductory Physics Homework Help
Replies
2
Views
34K
Solve for Wavelength of Commercial FM Radio Station at 90.1 MHz
    • Introductory Physics Homework Help
Replies
9
Views
5K

Hot Threads

Recent Insights

Back
Top