[sdiy] Op-amp to boost VC signal with +5V/GND?

[mark verbos]

Serge runs it through a 3.3k resistor with a zener to ground after it. However, I agree that you probably don't really want a smaller gate.

Mark



On Aug 22, 2010, at 2:57 PM, mikas wrote:

> How can I get 10V or 5V out of 40106 when I feed it with 12V?
> 
> http://www.analogas.uzrasai.lt/wp-content/uploads/2010/07/seq1.jpg
> 
> Many thanks.
> 
> 
>>> 2. Also, can I drive GATE with two 40106 as shown in schematics? Idea
>>> taken from MFOS.
>> 
>> Depends on what you mean by gate (i.e. which synthesizer you want to
>> drive). Many modern modulars including Doepfer and other Euros take
>> something like 5V or maybe even less, but certainly more than line
>> level. Others may need upwards up 10V. If you drive the 40106 from a 5V
>> supply you'll get max. 5V at the output which as said before might be
>> enough for your purposes.
>> 
>> 	Thomas
> 
> 
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