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Subject: Re: [motm] Help with MOTM 101

From: Jason Proctor <jason@...>
Date: 2010-02-26

also i'm suspicious that giving the 101 CVs of 0-3.4v is resulting in
small pitch changes only. that should be a 3.4 octave range.

does the 101 CV input work reliably with other CV sources?



>Have you tried patching a large signal into the S&H input? Patch the
>Triangle output of a MOTM-300. Run the 300 at the lowest frequency. If
>you're not getting any negative output from the 101, something is wrong
>with the sample and hold section. If this test works, there may be a
>problem with the Pink noise on the 101. Try adjusting the noise gain
>trimpot, TP1.
>
>Richard Brewster
>http://pugix.com
>
>Miguel Mendoza wrote:
>>
>>
>> Hello, I'm wondering if my MOTM 101 is working fine. All the sections
>> work but I have always been thinking that the SH output has a very
>> smooth, subtle response. Even I only coud hear small pitch changes on
>> a VCO if I put the SH level at 10.
>>
>> Today I connected it to my 730 DIV MOD input and it didn't change any
>> value. Other signals like LFOs were modulating de /N output but the SH
>> does nothing.
>>
>> I checked the SH output with a digital voltimeter and it was
>> changing values at every clock pulse as expected but all of them were
>> positive from 0 to 3.4 v. aprox. I was checking it for a while and I
>> couldn't read any higher than 3.4 v. and all of them were
>> positive. The level pot was at 10 all the time.
>>
>> So, anybody can say if this is normal? Any tip?
>>
>> Thanks in advance.
>>
>> Miguel.
>>
>>
>>
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