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Bob Cordell's Power amplifier book
Bob Cordell's Power amplifier book
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Old 13th June 2019, 10:57 PM   #9371
jhofland is offline jhofland  United States
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I'll add my name to the ever growing list. Ordered my copy from Amazon months ago. Received it this afternoon. Thank you for writing it Bob.
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Old 15th June 2019, 12:39 AM   #9372
jackinnj is offline jackinnj  United States
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Bob Cordell's Power amplifier book
Mine showed up late this afternoon -- must be half again as large as the original!
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Old 16th June 2019, 01:07 PM   #9373
Krisfr is online now Krisfr  United States
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I ordered mine via Book Depository US. Never again.



Slow Slow and Slower, NO indication of when it will arrive, and this is an Amazon

Company.
Shame on Bezo and Company
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Old 16th June 2019, 01:19 PM   #9374
rsavas is offline rsavas  Canada
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I ordered from Routledge directly, I have no indication when it will arrive either. The Sign In - Routledge
web site is giving me problems logging in.
be patient, we will get it shortly.
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Old 16th June 2019, 06:17 PM   #9375
jackinnj is offline jackinnj  United States
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Bob Cordell's Power amplifier book
I replicated an experiment in Bob's discourse on cables. A 10 foot of Monster Cable -- terminated "short" and with a 100R Caddock. The impedance of the Caddock is included for reference.

I also attached the cable to a little ADS Bookshelf speaker I had in the lab.

The reason Bob likes Zobels!
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File Type: png Z_Monster Cable Plus Speaker.png (55.7 KB, 310 views)
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Old 16th June 2019, 08:21 PM   #9376
davada is offline davada  Canada
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Quote:
Originally Posted by rsavas View Post
I ordered from Routledge directly, I have no indication when it will arrive either. The Sign In - Routledge
web site is giving me problems logging in.
be patient, we will get it shortly.

Me neither and Routledge has ignored any emails or messages on their website I sent them.
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Old 17th June 2019, 12:40 PM   #9377
chalky is online now chalky
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Just got my copy - momentous effort with plenty of unanswered questions for the third edition - well done. Not sure if this is the right place to note typos but about halfway down page 69 the phrase "The current mirror of Figure 2.9b ..." should read "The current mirror of Figure 2.11b ...". On page 41 it states that a 22M start up resistor is necessary for the ring-of-two Green LED current source to operate. This is certainly true of a simulation with ideal devices; but in the real world the circuit is self starting, under all circumstances, without the 22M resistor. I discovered this circuit over a decade ago and use it so frequently that I made a tiny SMT PCB to implement it.
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Old 17th June 2019, 01:15 PM   #9378
Mark Johnson is offline Mark Johnson  United States
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Bob Cordell's Power amplifier book
Try it at -55C and see if it has adequate leakage.
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Old 17th June 2019, 01:15 PM   #9379
sSound is offline sSound
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Amazon just notified me that the book has shipped! Cant wait to finally get it..
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Old 17th June 2019, 01:47 PM   #9380
Bob Cordell is online now Bob Cordell  United States
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Quote:
Originally Posted by Krisfr View Post
I ordered mine via Book Depository US. Never again.



Slow Slow and Slower, NO indication of when it will arrive, and this is an Amazon

Company.
Shame on Bezo and Company
I'm sorry to hear this. I also saw that on Amazon they seemed to be selling it through Book Depository rather than Amazon itself. I don't know why, but I just checked and now it appears to be coming from Amazon directly. This may have been a start-up issue having to do with stock. Possibly, Amazon used up all of its initial stock shipping pre-ordered copies, and had to fall back to its associated sellers.

Cheers,
Bob
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