Maker Pro
Maker Pro

PFM VS PWM

N

New User ^_^

Jan 1, 1970
0
Dear All,

I'm investigating how a PFM signal can be converted into PWM signal by
hardware. Any suggestions would be very appreciated.

Best regards,
Will
 
C

ChrisGibboGibson

Jan 1, 1970
0
chickenwing2010 said:
Dear All,

I'm investigating how a PFM signal can be converted into PWM signal by
hardware. Any suggestions would be very appreciated.

Sounds like homework but what the hell...

Signal into a monostable, LP filter it, remodulate it to PWM using a comparator
and triangle waveform.

Gibbo
 
K

Ken Smith

Jan 1, 1970
0
Sounds like homework but what the hell...

Signal into a monostable, LP filter it, remodulate it to PWM using a comparator
and triangle waveform.


Or, use a PIC.
 
C

ChrisGibboGibson

Jan 1, 1970
0
kensmith said:
Or, use a PIC.

Yes, or use a PIC.

I don't know if that was meant as a joke in view of another failed thread that
I started tonight, but either way it made me laugh.

Gibbo
 
K

Ken Smith

Jan 1, 1970
0
Yes, or use a PIC.

I don't know if that was meant as a joke in view of another failed thread that
I started tonight, but either way it made me laugh.

Hint:

OBAOL: Me to!
 
C

ChrisGibboGibson

Jan 1, 1970
0
kensmith said:
Hint:

OBAOL: Me to!

I'm still in the dark.

First I asumed OBAOL was a cryptic message. Then I wondered if it was a
reference to AOL because I happen to post from AOL (I can use something else if
it gives better credibility - but my 6 year old daughter likes it as it's easy
to use - which is probably why I use it). But, alas, I can not decipher it.

Perhaps I need a board full of PICs, a few FPGAs, some exotic VHDL software and
the latest ultra low power, super exotic, resistors in order to decode it.

Not forgetting some Spice software (that never seems to agree with reality).

Gibbo
 
R

Rich Grise

Jan 1, 1970
0
I'm still in the dark.

First I asumed OBAOL was a cryptic message.

It's an abbrev. for "obligatory AOL me-too". Apparently AOL is noted
for people who post nothing but "Me, Too!", to the point that it's
become sort of a running joke out here on the outside. ;-)
Perhaps I need a board full of PICs, a few FPGAs, some exotic VHDL software and
the latest ultra low power, super exotic, resistors in order to decode it.

Not forgetting some Spice software (that never seems to agree with reality).

On thinking about the problem, I'm tending towards, "Demod the PFM, and
use the signal to control a whole nother circuit for PWM".

Cheers!
Rich
 
C

ChrisGibboGibson

Jan 1, 1970
0
Rich said:
It's an abbrev. for "obligatory AOL me-too". Apparently AOL is noted
for people who post nothing but "Me, Too!", to the point that it's
become sort of a running joke out here on the outside. ;-)

reality).

On thinking about the problem, I'm tending towards, "Demod the PFM, and
use the signal to control a whole nother circuit for PWM".

Isn't that what I said in the first reply?

Oh sorry, that's not the right answer...

Hang on....

Me too.

Gibbo
 
R

Rich Grise

Jan 1, 1970
0
On Fri, 29 Oct 2004 19:10:44 +0000, ChrisGibboGibson wrote:
[snipperoonie]
Isn't that what I said in the first reply?

Hmmm. Yeah, but you used all different words. ;-)
Oh sorry, that's not the right answer...

Hang on....

Me too.
Cheers!
Rich
 
Top