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 Post subject: MK105 Higher Output?
PostPosted: Sat Jun 01, 2013 10:17 pm 
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Hello!

Concerning the MK105 Signal Generator, is it possible to get a higher output voltage than 100mV? For example 775mV would be nice (= 0dBu Studio Level).

Thank you in advance
Andi


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 Post subject: Re: MK105 Higher Output?
PostPosted: Mon Jun 03, 2013 7:02 am 
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That would require a substantial modification and addition of components.
A completely different circuit would be a better solution in such case.


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 Post subject: Re: MK105 Higher Output?
PostPosted: Thu Aug 10, 2017 11:35 pm 
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Sorry to revive this old thread, but I pretty much have the same question. Except I'm looking for an output of up to 1,5V

Is the 9V input really that drastically dropped? Or is there a way to modify the following circuit on the output side in such a way, that one can dial in anything between 0.5V to 1,5V?
http://www.velleman.eu/downloads/0/mini ... _mk105.pdf

What options are there to mod? And if there are, how do we do this?
I'm fine with soldering on some cables and doing the mod on a breadboard. I wanted to put this kit into a dedicated case anyway.


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 Post subject: Re: MK105 Higher Output?
PostPosted: Wed Aug 16, 2017 9:21 am 
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Maybe not the answer you want, but I finally combined MK105 with preamp K1803 ... and it does well for me. The K1803 also works well with 9V but I exchanged the IC LM358 to an "Linear Technology LT1013" to get lower distortion.


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