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Old September 6th 04, 07:03 PM
Paul Burridge
 
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Default Another hopeless text: spot the errors...

Hi guys,

Still reeling from the screw-up Chris Bowick made of his explanation
of FET biasing, I've come across this little gem which purports to
show the design considerations for a FET amplifier stage which takes
into account the spread of parameters one encounters with FETs:

http://ampdesigns.tripod.com/solved_problems.htm

"Solved problems"? I don't think so. I'm up to six glaring errors
already, but I'm sure there are more yet to be found. How many can
*you* spot?
--

"What is now proved was once only imagin'd." - William Blake, 1793.
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Old September 7th 04, 04:45 AM
john jardine
 
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"Paul Burridge" wrote in message
...
Hi guys,

Still reeling from the screw-up Chris Bowick made of his explanation
of FET biasing, I've come across this little gem which purports to
show the design considerations for a FET amplifier stage which takes
into account the spread of parameters one encounters with FETs:

http://ampdesigns.tripod.com/solved_problems.htm

"Solved problems"? I don't think so. I'm up to six glaring errors
already, but I'm sure there are more yet to be found. How many can
*you* spot?
--

"What is now proved was once only imagin'd." - William Blake, 1793.


I've never come across his book but if it was me I'd have thrown the bloody
thing away years ago.
regards
john


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Old September 8th 04, 10:34 AM
Paul Burridge
 
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On Wed, 08 Sep 2004 04:20:13 GMT, Rich Grise wrote:

I first read this as:
If you are from some other universe then confirm
with your professors whether these formulae/methods
are valid for your universe.


Indeed! I don't think western designers have much to fear (job
competition-wise) from graduates of Bombay University. :-)
--

"What is now proved was once only imagin'd." - William Blake, 1793.


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Old September 6th 04, 09:30 PM
Michael A. Covington
 
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"John Miles" wrote in message
...

Well, it does say, "If you are from some other university then confirm
with your professors whether these formulae/methods are valid for your
university."


So are the laws of physics different elsewhere?


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Old September 9th 04, 11:11 AM
Paul Burridge
 
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On Mon, 6 Sep 2004 16:30:22 -0400, "Michael A. Covington"
wrote:


"John Miles" wrote in message
...

Well, it does say, "If you are from some other university then confirm
with your professors whether these formulae/methods are valid for your
university."


So are the laws of physics different elsewhere?


It appears so. Everywhere outside of Bombay, I guess.

--

"What is now proved was once only imagin'd." - William Blake, 1793.
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Old September 6th 04, 09:16 PM
Paul Burridge
 
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On Mon, 6 Sep 2004 20:45:24 -0700, "john jardine"
wrote:

I've never come across his book but if it was me I'd have thrown the bloody
thing away years ago.


Hehe! I don't blame you, John. But I should perhaps have made it
clearer that the link I posted has nothing to do with Bowick. It's
coursework by some lecturer at Bombay University.
--

"What is now proved was once only imagin'd." - William Blake, 1793.
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Old September 7th 04, 05:54 AM
john jardine
 
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"Paul Burridge" wrote in message
...
On Mon, 6 Sep 2004 20:45:24 -0700, "john jardine"
wrote:

I've never come across his book but if it was me I'd have thrown the

bloody
thing away years ago.


Hehe! I don't blame you, John. But I should perhaps have made it
clearer that the link I posted has nothing to do with Bowick. It's
coursework by some lecturer at Bombay University.
--

"What is now proved was once only imagin'd." - William Blake, 1793.




I'll try pay attention next time :-(



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