dreamblaster wrote:R2R ladder if you find suitable and affordable. We could make a solder kit.
Scali wrote:dreamblaster wrote:R2R ladder if you find suitable and affordable. We could make a solder kit.
Would it be one of these? https://nl.mouser.com/ProductDetail/Bou ... X0%2fPY%3d
Jepael wrote:I think that would be good, except the minimum order is ten thousand because most suppliers don't have these in stock and they have to place order to a factory.
I think Jameco was able to sell some R2R-104 devices in multiples of five.
derSammler wrote:I would buy one if another batch is made.
Scali wrote:CVX4 got mentioned on Adafruit!
https://blog.adafruit.com/2017/12/01/cv ... ing-clone/
matze79 wrote:why not use Resistor Networks ? less pain to solder
Paralel wrote:It has roughly double the frequency range of the discreet R-2-R ladder Covox design
Scali wrote:Paralel wrote:It has roughly double the frequency range of the discreet R-2-R ladder Covox design
What makes you say that?
Technically, the only limit for the frequency range of a Covox is the speed at which the CPU can bang out the samples through the printer port.
Paralel wrote:I don't honestly remember the calculation, but given the design of the R-2-R covox I remember someone calculated that the frequency range for it topped out somewhere around 7 or 8 KHz.
Paralel wrote:Also, aren't you talking about sample rate, not frequency range? The rate at which samples can be transmitted by the CPU to the Covox is the sample rate, no?
Paralel wrote:Yeah, but has anyone tested to see what the actual cut off for the frequency range for the R-2-R covox is? Can it actually output a 22.05 KHz frequency?
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