Has anyone conducted experiments with R2R resistor values?
I would like to get a lower output impedance without compromising the sound.
I saw 7.5 and 15 kOhm on the Internet. I also found that there is no sound above 3 kOhm.
I would like to get a lower output impedance without compromising the sound.
I saw 7.5 and 15 kOhm on the Internet. I also found that there is no sound above 3 kOhm.
I don't think you will get a lot of replies.
It is very unclear what it is exactly what you have.
Schematic?
Jan
It is very unclear what it is exactly what you have.
Schematic?
Jan
Classic r2r circuit on FPGA with equalizing resistors of FPGA key resistance. No buffer required.
R2R is a digital to analog converter in this context? What switching element do you use? I belive a high input impedance buffer is mandatory.
Why buffer? Resistors are linear. So long as the switches have much lower resistance than the resistors you should be fine treating an R-2R network as its Thevenin equivalent, a plain resistive source of impedance R. Of course heavily loading the network will add attenuation, buffering prevents that.