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Author Topic: Help me choose the right portable hi-fi FM receiver  (Read 3984 times)
ANDREW30
Member

Posts: 4




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« on: August 27, 2012, 02:51:25 AM »

Hello,
I can't find any good sounding portable FM receiver on eBay. A good sounding means 75dB SNR and harmonic distortion under 0.4%.
It would be also nice if it could have these parameters
 - 3uV or better sensitivity
 - 50dB or better stereo separation
 - connector for external antenna (BNC preffered)
 - frequency range 76 - 108MHz
 - mono/stereo switch
 - deemphasis on/off
 - bandwidth narrow/wide
 - 3.5mm or 6.3mm jack for headphones (10mW minimum)
 - powered on 2 or 4 AA type batteries
 - no internal noise caused by LCD backlit, key pressing, etc.

Most of them are toys, absolutely unusable for any high quality listening experience. A friend of mine has his own station, where he transmits without any dynamic compression usually found on 99% commercial FM broadcast and I think it would be nice to have such receiver to fully enjoy the dynamic range.

DSP might be the right choice, but the best SNR offered in DSP-enabled receivers is 60dB

Any idea on such receiver (other than I'm just a crazy guy trying to achieve impossible parameters  Grin)?

Thanks
« Last Edit: August 27, 2012, 02:53:44 AM by ANDREW30 » Logged
KE3WD
Member

Posts: 5689




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« Reply #1 on: August 27, 2012, 05:18:41 AM »

Um, if FM is the mode, the SNR is NOT going to be a big problem...


73
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G8HQP
Member

Posts: 123




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« Reply #2 on: August 27, 2012, 12:39:29 PM »

So you want performance equivalent to the higher end of hi-fi FM tuners, but it has to be portable and run off a couple of AA cells? Oh, and it has to tune lower in frequency than a standard tuner. Nothing too special, then.
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AC5UP
Member

Posts: 3866




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« Reply #3 on: August 27, 2012, 03:14:39 PM »

http://stephan.win31.de/sony7600.htm

I bought one of these about 15 years ago and never regretted it. Covers 76 to 108 MHz on FM, 300 kHz to 30 MHz AM, has a synchronous AM detector and will receive SSB without any problem (although it's a bit wider than the typical Ham transceiver).

On the FM side the internal speaker is adequate for mono listening, plug in a pair of headphones and in stereo it's as good as any Walkman.
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