Ramp + Hold vs. Sample + Hold

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chicago_mike
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Post by chicago_mike »

Okay, what effect would ramp + hold be?

Anything like a glide control?

Oh, and anytime I see a "multiplexer" circuit in a datasheet, to us its an octaver, yes? I know you can tune the output freq.
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Post by mictester »

chicago_mike wrote:
Oh, and anytime I see a "multiplexer" circuit in a datasheet, to us its an octaver, yes? I know you can tune the output freq.
Not necessarily. A "multiplexer" can be a multi-way digital switch or can be a way of switching between multiple analogue inputs. The 4053 is called a "multiplexer" in some data books. It's actually just a digitally controlled analogue changeover switch (like the 4066 but with changeover outputs),
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Post by chicago_mike »

Gotcha, Ive seen them used as switches for loops and stuff.

Here is the little schematic in question. I see its using a 74HC74 and thought oh, an octaver of sorts. Or "tweakable" to be an octaver.
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Post by DWBH »

Interesting. I've always looked at muxs like switches. Tell me more about that 'octave' thingie.

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Post by chicago_mike »

The datasheet for the LM13700 has that. Its figure 20. :)
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