MST resistor values

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kdmr
Common Wiggler
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Joined: Thu Jun 30, 2016 7:24 am

MST resistor values

Post by kdmr » Wed Jul 27, 2016 6:16 am

working on the LFO, VCO, and CV Mixer PCBs. the BOMs call for a number of hyper-specific (4.99k, 33.6k, ect) resistor values. anyone know how essential it is to nail these values? I guess I don't mind rifling through my 5%ers to find these values or just buying them from synthrotek, i'm just a bit skeptical that the next nearest common value wont work fine. any experience out there?

k
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mmm
yummm!
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Re: MST resistor values

Post by mmm » Mon Aug 22, 2016 10:49 am

kdmr wrote:working on the LFO, VCO, and CV Mixer PCBs. the BOMs call for a number of hyper-specific (4.99k, 33.6k, ect) resistor values. anyone know how essential it is to nail these values? I guess I don't mind rifling through my 5%ers to find these values or just buying them from synthrotek, i'm just a bit skeptical that the next nearest common value wont work fine. any experience out there?

k
I specified 1% resistors when operational tolerances were critical.

You could try 5% resistors close to those values. But, don't expect them to work within spec. On the VCO, it's really tight.
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