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Old 5th October 2007, 06:23 PM   #1
Default Stereo to mono mixer for Audioguru s miniature fm transmitter.

hello everyone i m new to this brilliant forum,
can you give me an idea to make a stereo to mono mixer for @audioguru s miniature fm transmitter?

i want to replace the mic with pc s audio out , it will be the circuit s audio in.

thanks

Last edited by kerelektronik; 5th October 2007 at 11:42 PM. Reason: wrong typing
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Old 6th October 2007, 12:20 AM   #2
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Remove the microphone and the 10k resistor that powers it.
Add this attenuator/mixer circuit and connect it with shielded audio cables.
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Stereo to mono mixer for Audioguru s minitaure fm transmitter.-attenuator-mixer.png  
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Old 6th October 2007, 12:29 AM   #3
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this seems easy . thanks for your response.
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Old 6th October 2007, 05:29 AM   #4
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and from my personal experience it sounds wonderful. thanks again audioguru!
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Old 6th October 2007, 05:01 PM   #5
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Who better to help with Audioguru's circuit...then Audioguru.
TrevorP is offline  
Old 6th October 2007, 05:41 PM   #6
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Quote:
Originally Posted by TrevorP
Who better to help with Audioguru's circuit...then Audioguru.
comment not clear?
I would put it this way-- who else could help better than Audioguru.!!

He suggested how to mix the L and R chls to make it mono.

If anyone is interested in Stereo FM TX perhaps one has to use BH1417F and Micromitter is one such application as published in an Autralian Mag.
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audioguru, minitaure, mixer, mono, stereo, transmitter

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