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Building the ultimate NOS DAC using TDA1541A
Building the ultimate NOS DAC using TDA1541A
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Old Yesterday, 11:39 PM   #6701
ryanj is offline ryanj  Australia
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Building the ultimate NOS DAC using TDA1541A
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Originally Posted by wlowes View Post
I see in the data sheets that VCC can be 2v to 6v and output voltage and current vary based on VCC. So this suggests the 2.5v is within spec and will result in a lower signal on output. So it sounds like I'll get the attenuated signal as a bonus.

I also note however, that switching characteristics of the SN74HC08 depend on VCC. The transition time and propagation delay are reduced at higher VCC. I wonder if running at lower VCC can introduce timing jitter?
The slower rise time may be beneficial, lower bandwidth signal entering dac may cause less interference.
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Old Today, 12:39 AM   #6702
wlowes is offline wlowes  Canada
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Excellent. We'll find out in a few days.
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