[sdiy] OTA VCO bad or not!

[mark verbos]

I assume the offset voltage is what makes the symetry problem. No? Could 
you add a symetry trim by mixing in a fixed voltage with the triangle 
before it goes to the comparator?

Mark



harry bissell wrote:

> The Aries VCO is an OTA / Triangle core.  I think its pretty
> good... it uses CA3080A (low offset voltage)
> 
> H^) harry
> 
> karl dalen wrote:
> 
>> Was OTA's so bad for doing regular triangle VCOs?
>> Is the Electronotes OTA VCO so bad?
>> I cant remember but they cant be that bad or can they?
>> I now the issues about OTA's but so bad cant they be?!
>>  
>> KD
>>
>>
>>   
> 
> 
>