How to increase FM Reception of Portable Media Playr

Paswa · 2nd December 2007, 05:50 AM

I think there is no any thread about this matter.
I have a Transcend T.sonic 610. This is a great DAP(Digital Audio Player), but FM reception is too too tooooo low. there the images:

Can somebody help me, how to increase FM reception. the FM channels are really not weak because they play very good in real FM reciever

es44 · 2nd December 2007, 07:39 AM

I don't think You can do anything to improve sensitivity at the tuner.
What would work, is to add a proper antenna, but the reason they don't add that in the first place is, that noone wants to carry around a quarter wave antenna. ~75cm.

Best regards
Ebbe

Paswa · 2nd December 2007, 09:47 AM

what is the ic? can somebody tell me? there is no any datasheet for the fm reciever ic 9302 5017.

Another interesting matter, whan my DAP got coruppted, then I ook it to the service center. before that the FM IC was an IC from philips. but the service center replaced the ic with this. this may be a pirated one. Also after there service the fm reception lowered a bit. is there really no way to recover, how i could connect a antena with it.

Any help?

pinkmouse · 2nd December 2007, 11:32 AM

Are you running this with the headphones plugged in? A lot of devices use the screen in the lead as an antenna.

AndrewT · 2nd December 2007, 12:05 PM

Move closer to the transmitter

or fit a proper yagi with real gain compared to the whips and phones screens.

Paswa · 2nd December 2007, 12:10 PM

I'm running with a great in-ear earphone from panasonic.

Please ANdrewT, please explain

Quote:

proper yagi with real gain compared to the whips and phones screens.

Transmitter is 55KM away from my home, so to get good reception, i've to run 55 km!!he he

AndrewT · 2nd December 2007, 12:41 PM

But a 2, 3 or 4 element yagi is quite difficult to keep aligned if you're using a portable.
And it will certainly slow down your running!

oshifis · 2nd December 2007, 03:39 PM

Quote:

Originally posted by Paswa
Transmitter is 55KM away from my home...

Well, 55 km is quite long distance in FM range, and above a certain distance the field strangth is not proportional to the transmit power. You simply won't get better reception of an 1 kW transmitter than a 10 W. Try this with a normal FM tuner, with a piece of 20 cm wire as antenna. This is about the same condition as the digital palyer. What you can receive with this, should play also well on the DP.

2nd December 2007, 05:50 AM	#1
Paswa diyAudio Member Join Date: Aug 2007	How to increase FM Reception of Portable Media Playr I think there is no any thread about this matter. I have a Transcend T.sonic 610. This is a great DAP(Digital Audio Player), but FM reception is too too tooooo low. there the images: Can somebody help me, how to increase FM reception. the FM channels are really not weak because they play very good in real FM reciever

2nd December 2007, 11:32 AM	#4
pinkmouse diyAudio Moderator Join Date: Apr 2002 Location: Chatham, England	Are you running this with the headphones plugged in? A lot of devices use the screen in the lead as an antenna. __________________ Al I conceive of nothing, in religion, science or philosophy, that is more than the proper thing to wear, for a while. Charles Fort

2nd December 2007, 12:05 PM	#5
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	Move closer to the transmitter or fit a proper yagi with real gain compared to the whips and phones screens. __________________ regards Andrew T.

2nd December 2007, 12:41 PM	#7
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	But a 2, 3 or 4 element yagi is quite difficult to keep aligned if you're using a portable. And it will certainly slow down your running! __________________ regards Andrew T.

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2nd December 2007, 07:39 AM	#2
es44 diyAudio Member Join Date: Apr 2005 Location: Fredericia, DK	I don't think You can do anything to improve sensitivity at the tuner. What would work, is to add a proper antenna, but the reason they don't add that in the first place is, that noone wants to carry around a quarter wave antenna. ~75cm. Best regards Ebbe

2nd December 2007, 09:47 AM	#3
Paswa diyAudio Member Join Date: Aug 2007	what is the ic? can somebody tell me? there is no any datasheet for the fm reciever ic 9302 5017. Another interesting matter, whan my DAP got coruppted, then I ook it to the service center. before that the FM IC was an IC from philips. but the service center replaced the ic with this. this may be a pirated one. Also after there service the fm reception lowered a bit. is there really no way to recover, how i could connect a antena with it. Any help?

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