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Rational Question: Analog Electronic Chip

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Radium

Jan 1, 1970
0
Hi:

Please forgive my past messages. Currently I have a sensible question.
Just out of curiosity.

Is there such thing as an analog chip that consists only of analog
circuits?

A purely analog device that stores information in an analog electric
chips.

I also like to know how *analog* electronic chips store information.
Digital chips store on/off signals [1 = higher voltage or current
while 0 = lower voltage or current].

Where can I find technical information on these analog electronic
chips.

The stuff below is *not* purely-analog or digital. It uses sampling
but without quantization so it sort of halfway between analog and
digital.

http://www.winbond-usa.com/mambo/content/view/36/140/

What I am talking about is a storage device consisting of a purely-
analog electronic chip that does not use sampling or quantization.
Just analog signals similar to the telephone audio used in the 1980s.

Could such a chip be used to store audio that fits the dynamic range
and frequency response of the human auditory system?

Once again, I have no application in this question. Digital technology
obviously has a potential to provide better quality than analog
technology. So I am asking my question simply because I am just in it
for the science.

Any assistance, understanding, and cooperation on this matter -- along
with forgiveness for my past messages -- are greatly appreciated.


Thanks,

Radium
 
R

Rich Grise

Jan 1, 1970
0
Please forgive my past messages. Currently I have a sensible question.
Just out of curiosity.

Is there such thing as an analog chip that consists only of analog
circuits?

Look up "op amp".

A purely analog device that stores information in an analog electric
chips.

There is no such thing. (other than, possibly, some esoteric
experimental lab devices.)

I also like to know how *analog* electronic chips store information.


With a capacitor.


Maybe you should give your local public library a visit.

Good Luck!
Rich
 
R

Radium

Jan 1, 1970
0
There is no such thing. (other than, possibly, some esoteric
experimental lab devices.)

If there can be a digital storage chip, why can't there be the analog
equivalent?
 
S

Stephen J. Rush

Jan 1, 1970
0
If there can be a digital storage chip, why can't there be the analog
equivalent?

How about an analog sample-and-hold circuit? That stores data in the form
of an analog voltage. I don't know if any are still being manufactured,
since the shift to digitize-and-hold.
 
S

Sjouke Burry

Jan 1, 1970
0
Stephen said:
How about an analog sample-and-hold circuit? That stores data in the form
of an analog voltage. I don't know if any are still being manufactured,
since the shift to digitize-and-hold.
Bucket brigade analog shift register, storing and
transporting kilosamples of analog data.
 
B

Bob Myers

Jan 1, 1970
0
Radium said:
Hi:

Please forgive my past messages. Currently I have a sensible question.
Just out of curiosity.

Is there such thing as an analog chip that consists only of analog
circuits?

"Analog" and "digital," strictly speaking, refer only to means
of encoding information. Circuits themselves are neither
analog or digital, although those terms are very commonly
used to refer to classes of circuitry or designs which are
optimized for dealing with information encoded in one of these
two forms. For example, what we commonly call "digital"
electronics are simply those in which the active devices are,
in normal operation, operating either in saturation or cut-off.
Although there's been exceptions to that, too - take a look
at the old "ECL" form of logic chips.
I also like to know how *analog* electronic chips store information.
Digital chips store on/off signals [1 = higher voltage or current
while 0 = lower voltage or current].

To the extent that information is stored in analog form (for
instance, in the storage capacitor of each sub-pixel of an
active matrix display), it's "stored" as a voltage or current.
The stuff below is *not* purely-analog or digital. It uses sampling
but without quantization so it sort of halfway between analog and
digital.

"Sampled" does not necessarily imply "digital."


Bob M.
 
R

Radium

Jan 1, 1970
0
"Sampled" does not necessarily imply "digital."

Maybe but that device posted in the link does seem to use PAM [Pulse
Amplitude Modulation] which is neither digital nor analog but
something in between. A true analog electronic chip-based storage
device would simply store an electrical equivalent of the signal --
i.e. the electrical waveforms generated by the attched microphone as
it picks up sound. A louder sound would result in a greater difference
in voltages than a softer sound, and a higher-pitched sound would
result in a more rapidly-alternating electric current than a lower-
pitched sound.
 
C

contrex

Jan 1, 1970
0
"Sampled" does not necessarily imply "digital."

Maybe but that device posted in the link does seem to use PAM [Pulse
Amplitude Modulation] which is neither digital nor analog but
something in between. A true analog electronic chip-based storage
device would simply store an electrical equivalent of the signal --
i.e. the electrical waveforms generated by the attched microphone as
it picks up sound. A louder sound would result in a greater difference
in voltages than a softer sound, and a higher-pitched sound would
result in a more rapidly-alternating electric current than a lower-
pitched sound.

Wow, Radium, you sure have some basic reading to do!

Where is it gonna "store" this "equivalent"? on a little reel of tape?
 
C

contrex

Jan 1, 1970
0
Wow, Radium, you sure have some basic reading to do!

Where is it gonna "store" this "equivalent"? on a little reel of tape?

Eh, troll boy?
 
D

David L. Jones

Jan 1, 1970
0
If there can be a digital storage chip, why can't there be the analog
equivalent?

The Chipcorder MLS (multi Level Storage) voice recording chips use a
form of analog storage I believe.

Dave.
 
R

Radium

Jan 1, 1970
0
Where is it gonna "store" this "equivalent"?

In a chip that contains capacitors to store the electric charges of
the AC current generated by the microphone when exposed to sound.
 
J

John Fields

Jan 1, 1970
0
In a chip that contains capacitors to store the electric charges of
the AC current generated by the microphone when exposed to sound.
 
R

Radium

Jan 1, 1970
0
Capacitors can't store AC.

True. However, one set of capacitors can store a forward DC, while
another set can store DC in reverse. So during "playback" the end
result will be an AC current.
 
D

David L. Jones

Jan 1, 1970
0
The Chipcorder MLS (multi Level Storage) voice recording chips use a
form of analog storage I believe.

Oops, didn't follow that link in your original post, same thing.

Dave.
 
L

Lionel

Jan 1, 1970
0
Radium said:
"Sampled" does not necessarily imply "digital."

Maybe but that device posted in the link does seem to use PAM [Pulse
Amplitude Modulation] which is neither digital nor analog but
something in between.

Why do you think there is something "in between" analog
and digital encoding? What, exactly, would that mean?

In all fairness to our pet net-kook, ths is one time when he has, (at
least in IMHO), a reasonable point. PAM & PWM do, arguably, straddle
the digital & analog domains. (That said, I won't be surprised if he
takes this tiny bit of support as an endorsement for his other,
totally whacky beliefs...)
 
B

Bob Myers

Jan 1, 1970
0
Radium said:
"Sampled" does not necessarily imply "digital."

Maybe but that device posted in the link does seem to use PAM [Pulse
Amplitude Modulation] which is neither digital nor analog but
something in between.

Why do you think there is something "in between" analog
and digital encoding? What, exactly, would that mean?


Bob M.
 
C

contrex

Jan 1, 1970
0
True. However, one set of capacitors can store a forward DC, while
another set can store DC in reverse. So during "playback" the end
result will be an AC current.

How are you going to arrange this "playback"? How will you arrange for
it to happen more than once?
 
C

contrex

Jan 1, 1970
0
the digital & analog domains. (That said, I won't be surprised if he
takes this tiny bit of support as an endorsement for his other,
totally whacky beliefs...)

They are not, in my opinion, "beliefs". They are convenient tools with
which he manipulates newsgroups. Radium is a classic troll, nothing
more, nothing less. He does what he does for amusement. The longer he
can spin this out, the more his infantile crippled ego will be
gratified. If you view this group in Google Groups, click on "view
profile" at the top of one of his posts, and see what other posts he
has made recently. In particular, the "contribution" he made recently
in alt.fan.mozilla, where he started a thread entitled "Mozilla is
better than Firefox. Hail to Mozilla!". The post he made consisted of
"Firefox is so creepy, frightening, disgusting, terrifying,
irritating, and annoying." followed by this line -

Mozilla is better than Firefox!

- repeated 288 times with blank lines in between.

When the amount of attention he was getting began to flag, he posted
this little gem:

"I still maintain:

Mozilla = the fresh, bright, warm, rejuvenating, refreshing aroma of
sour red-&-green peaches

Firefox = stinky thick stinky foamy human diarrhea kakaa foam of a
human who eats stale cheddar cheese and sticky milk chocolate and
rotten lentils

Firefox stinks like stinky thick stinky foamy human diarrhea kakaa
foam of a human who eats stale cheddar cheese and sticky milk
chocolate and rotten lentils"

He has posted the rather revealing "kakaa foam" effort in other places
too.

He managed to reel in enough suckers to create a thread 29 posts long!

He reminds me very much of an infant who thinks himself very clever
for having retrieved some feces from his diaper and smeared it all
over his nursery, and it is for that reason that I suspect that he has
fairly pronuunced mental health and/or developmental issues.
 
C

contrex

Jan 1, 1970
0
Why do you think there is something "in between" analog
and digital encoding? What, exactly, would that mean?

Bob M.

Qbits?
 
R

Radium

Jan 1, 1970
0
How are you going to arrange this "playback"? How will you arrange for
it to happen more than once?

In a similar way in which audio can be played back from a digital
chip. Excepts its all analog and with no need for a carrier signal.
The capacitors can store the audio permanenetly as long as new audio
is not recorded over it. This is like a purely-analog RAM chip with
only the modulation signal. No bits or samples. Just the electrical-
equivalent of the sound waves that enter the attached microphone.
 
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