Thank you Brett. 

Sincerely, 
Richard Phillips 

----- Original Message -----
From: "Brett Nordgren"  
To: "psnlist"  
Sent: Wednesday, January 2, 2013 10:29:27 AM 
Subject: Op-Amp e-book 

To all, 

Dave put me on to an old book he seems to like a lot, which includes 
an extensive collection of op-amp circuits, even including things 
like negative-impedance designs. It was written in the days of 
analog computers where operational amplifier circuits were being used 
to generate models of electrical and mechanical systems. Ever 
wondered why they are called "operational" amplifiers? The answer is 
in the book. 

Having been written at a time (1965) when op-amp circuits were being 
used as computers, it covers the fundamentals in considerable detail 
before it goes on to the fancy stuff, which is helpful for people 
like me. It was originally published by long-gone Philbrick Corp. 
and even describes some vacuum-tube op amps. Now it is archived on 
the Analog Devices Web site. 

Be aware that it's pretty big, about 75MB. 

http://www.analog.com/library/analogdialogue/archives/philbrick/computing_amplifiers.pdf 

Regards, 
Brett 


__________________________________________________________ 

Public Seismic Network Mailing List (PSNLIST) 

To leave this list email PSNLIST-REQUEST@.............. with 
the body of the message (first line only): unsubscribe 
See http://www.seismicnet.com/maillist.html for more information. 
<=
div style=3D'font-family: Arial; font-size: 12pt; color: #000000'>Thank you=
 Brett.

Sincerely,
Richard Phillips

Fr=
om: "Brett Nordgren" <brett3nt@.............>
To: "psnl=
ist" <psnlist@..............>
Sent: Wednesday, January 2, 2=
013 10:29:27 AM
Subject: Op-Amp e-book

To all,

Dave=
 put me on to an old book he seems to like a lot, which includes 
an ext=
ensive collection of op-amp circuits, even including things 
like negati=
ve-impedance designs.  It was written in the days of 
analog comput=
ers where operational amplifier circuits were being used 
to generate mo=
dels of electrical and mechanical systems.  Ever 
wondered why they=
 are called "operational" amplifiers?  The answer is 
in the book.<=
br>
Having been written at a time (1965) when op-amp circuits were being=
 
used as computers, it covers the fundamentals in considerable detail <=
br>before it goes on to the fancy stuff, which is helpful for people 
li=
ke me.  It was originally published by long-gone Philbrick Corp. 
a=
nd even describes some vacuum-tube op amps.  Now it is archived on the Analog Devices Web site.

Be aware that it's pretty big, about 7=
5MB.

http://www.analog.com/library/analogdialogue/archives/philbrick=
/computing_amplifiers.pdf

Regards,
Brett


_____________=
_____________________________________________

Public Seismic Network=
 Mailing List (PSNLIST)

To leave this list email PSNLIST-REQUEST@SEI=
SMICNET.COM with 
the body of the message (first line only): unsubscribe=

See http://www.seismicnet.com/maillist.html for more information.

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