Help with Superheterodyne reciever Project - Electronic Circuits Projects Diagrams Free

smoor · 22nd March 2008, 04:37 PM

Hi... Can anyone help me in doin this project...

The main First design... in the attachments.. the first file is the Reciever Specs... & 2, 3 are an example for the filter...
Any Question n I'm Ready... and any help will be very Appreciated...

Thanx in Advance

crutschow · 22nd March 2008, 04:53 PM

It's not clear what type of help you need. Is it help with understanding a superhet receiver or help with the simulation?

smoor · 22nd March 2008, 05:25 PM

Dear... its clear... u only have to zoon in the picture after u open it... i need help of how to start the design and all....how to get the exact values for designing the Reciever.... Thanx...

Papabravo · 22nd March 2008, 06:03 PM

Since you need to simulate each block separately, I would start with the RF amplifier. Following the suggestion of the person who wrote the exercise I would start with an input signal that was a sine wave with an amplitude of maybe 10 microvolts. The first stage might be a gain of 20 amplifier. Once you have demonstrated this you should be able to modify the signal and the gain to suit your purposes.

smoor · 22nd March 2008, 07:53 PM

i just implemented it in OrCAD... is the input right? i mean it should be Vsin waves ya??
And the Oscillator is Vac??
And the last Amplifier (Audio Amplifier) is a normal Gain Block right?

hope to get help soon....

smoor · 24th March 2008, 06:51 AM

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22nd March 2008, 04:53 PM	(permalink)
crutschow	It's not clear what type of help you need. Is it help with understanding a superhet receiver or help with the simulation?

22nd March 2008, 05:25 PM	(permalink)
smoor	Dear... its clear... u only have to zoon in the picture after u open it... i need help of how to start the design and all....how to get the exact values for designing the Reciever.... Thanx... __________________ With All My Love .....

22nd March 2008, 06:03 PM	(permalink)
Papabravo	Since you need to simulate each block separately, I would start with the RF amplifier. Following the suggestion of the person who wrote the exercise I would start with an input signal that was a sine wave with an amplitude of maybe 10 microvolts. The first stage might be a gain of 20 amplifier. Once you have demonstrated this you should be able to modify the signal and the gain to suit your purposes. __________________ We never have time to do it right; but we always have time to do it over.

24th March 2008, 06:51 AM	(permalink)
smoor	up up up up up up __________________ With All My Love .....