[Diy_efi] Measuring Pulse Width/Duty Cycle of an Injector?
Marcello A. Belloli
mbelloli at speedymotorsports.com
Mon May 23 20:16:48 CDT 2005
Alright, I too would like to see what Mike is talking about. I am as
green as they come, and here to learn. What really worries me, is I
don't understand what Mike is saying. I hope that maybe he could put
me on the path. I am really wanting to understand the non-digital
circuity. I am sadly lacking in understanding. I would love to see
a more elegant way of doing it. I've got the time. I seonded it.
> Nothing personal Mike but would you be willing to explain how YOU would
> do it?
> Could you also explain in simpler language what you were talking about in
> your post with its most impressive language(see below).
>> -----Original Message-----
>> From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]On
>> Behalf Of Mike
>> Sent: Tuesday, 24 May 2005 03:37
>> To: diy_efi at diy-efi.org
>> Subject: RE: [Diy_efi] Measuring Pulse Width/Duty Cycle of an Injector?
>> At 12:40 AM 24/05/05, you wrote:
>> >there are a lot of ways to do it. That's how I managed it.
>> Nothing personal, I was chuckling (as it were) at that very
>> point, there are a huge number of ways one could implement
>> an instrument with hysteresis. Most common way is certainly
>> variations on opamps, differential or single ended. I've seen
>> some doozies in my time, the thing I find curious is the
>> efforts to go and handle a hysteresis by a contrived device
>> like an opamp - a device created to circumvent many non linearities
>> when the simplest unitary devices suffice quite well in as much
>> as the non-linearities can be selected so easily to match the
>> task without needed any opamps.
>> I just find it ironic the very devices crafted to be as linear as
>> use inherent nonlinear devices more suited directly but, still
>> that a complex device like an opamp is so cheap and readily
>> available when simpler devices might be considered elegant by many
>> engineers but the sad thing is the time spent explaining how to use
>> them is worth more than the opamps, or even the articulation herein.
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