Hitachi MOSFET application note 1989

Hi,

Ross Herbert wrote:

If you can make out the phone number on the Plessey Components sticker on the
front page you will see that it was a six digit number. Six digit numbers had
disappeared in Australia by the mid to late 1970's.
Click to expand...
There were still six digit phone numbers in my area until the late 80s..!

Regards,

Ross..
 
Ross Vumbaca wrote:
Hi,

Ross Herbert wrote:

If you can make out the phone number on the Plessey Components sticker
on the
front page you will see that it was a six digit number. Six digit
numbers had
disappeared in Australia by the mid to late 1970's.

There were still six digit phone numbers in my area until the late 80s..!

Regards,

Ross..
Click to expand...

And the early nineties in Queensland.
 
Ross Herbert wrote:
On Sun, 05 Jul 2009 03:01:45 +1000, David Eather <eather@tpg.com.au> wrote:

:Hello All,
:
:I am trying to get a copy of a application note by Hitachi for a MOSFET
:amp published in 1989. You probably have seen amps designed with the
:note's influence - the voltage gain stage is a long tailed pair
:(differential amp) driven from the input LTP. Just about all the recent
:AUS. magazine designs have used it.
:
:Anyway, can anyone help with a link or a copy of this note? I have
:"googled" but all I can find is some sod who wants 12 Euro for someone
:else's work.
:
:All help appreciated
:
:David Eather


It was bloody hard to come by even back then. I only have a photocopy of it and
there are 45 A4 pages in total. I have posted it to abse if that will help
(1.9Mb PDF file)
Click to expand...

I don't have ABSE available from my ISP, any chance of a website to
download it from?.
 
Yes, many outer metro or regional exchanges were 6 digit working much later than
the mid to late 70's.

I was referring to capital city/metropolitan phone numbers. Plessey Components
(the supplier of the app note) were in Villawood, and this being a large light
industrial area, would have been a prime candidate for growth in telephone
numbers in the late 70's. I don't know when the exchange serving Villawood was
converted from 6 digit to 7 digit working but I think it would have been before
1980. In WA we were modifying exchanges ready for 7 digit working in 1972 and
this changeover commenced nationally around the middle of that decade if my
memory isn't too vague. If anybody has more definite info I would like to hear
it.

I was working in the Electronics Design section in 1978-80 and I am sure that's
when we obtained the Hitachi app note copy.

On Mon, 13 Jul 2009 09:18:12 +1000, Mark Harriss <billy@blartco.co.uk> wrote:

:Ross Vumbaca wrote:
:> Hi,
:>
:> Ross Herbert wrote:
:>
:>> If you can make out the phone number on the Plessey Components sticker
:>> on the
:>> front page you will see that it was a six digit number. Six digit
:>> numbers had
:>> disappeared in Australia by the mid to late 1970's.
:>
:> There were still six digit phone numbers in my area until the late 80s..!
:>
:> Regards,
:>
:> Ross..
:
:
:And the early nineties in Queensland.
 
On Mon, 13 Jul 2009 00:08:02 +0000 (UTC), GeoffC <nospam@gmail.com> wrote:

:
:>
:> I don't have ABSE available from my ISP, any chance of a
:> website to download it from?.
:>
:
:Me too if possible please.

I don't have a website and I haven't any plans to set one up.

With any luck, Franc will do this and let everyone know where to find it
(perhaps?).
 
"Ross Herbert"
:
:> I don't have ABSE available from my ISP, any chance of a
:> website to download it from?.
:Me too if possible please.

I don't have a website and I haven't any plans to set one up.
Click to expand...

** Attachments posted on ABSE normally turn up here:

http://www.usenet-replayer.com/groups/alt%2Ebinaries%2Eschematics%2Eelectronic.html

This one seem to be the exception - maybe it was too big.


...... Phil
 
Ross Herbert wrote:
On Mon, 13 Jul 2009 00:08:02 +0000 (UTC), GeoffC <nospam@gmail.com> wrote:

:
:
:> I don't have ABSE available from my ISP, any chance of a
:> website to download it from?.
:
:
:Me too if possible please.

I don't have a website and I haven't any plans to set one up.

With any luck, Franc will do this and let everyone know where to find it
(perhaps?).
Click to expand...
I might be able to help in a few weeks. Alternately I can email to
anyone who wants.
 
"David Eather is an autistic PIG "

I you had read Eric Vastmasd's post with an open mind you would have seen
it was not an insult to you but a jab at PN.
Click to expand...
** My god - that is just totally insane.


Also, you response to EV's post is raciest,
Click to expand...
** Really ??

Cos of the one word " wog " ??

More insanity.

which if it was done in a forum taken seriously in Australia, might be not
just actionable but also illegal.
Click to expand...

** Got news for you - you stupid, autistic fuckhead

Calling some fuckwit troll who has just posted gratuitous personal abuse in
public forum a " WOG " is neither racist nor the slightest bit illegal.

Half witted, pig ignorant " net cops" like YOU can go drop fucking dead.

Go back to your STUPID code scribbling -

you vile, autistic PILE OF SHIT !!



...... Phil
 
to find it (perhaps?).
I might be able to help in a few weeks. Alternately I can
email to anyone who wants.
Click to expand...
Thanks, email is geoffjunkster at gmail.com
 
Hi Ross,

Ross Herbert wrote:
Yes, many outer metro or regional exchanges were 6 digit working much later than
the mid to late 70's.

I was referring to capital city/metropolitan phone numbers. Plessey Components
Click to expand...
I do live in the metropolitan area of Sydney (where we still held
6-digit numbers until the 80s) :)

Regards,

Ross..
 
On Mon, 13 Jul 2009 19:22:50 +1000, Ross Vumbaca <rossv1@au.com.optushome>
wrote:

:Hi Ross,
:
:Ross Herbert wrote:
:> Yes, many outer metro or regional exchanges were 6 digit working much later
than
:> the mid to late 70's.
:>
:> I was referring to capital city/metropolitan phone numbers. Plessey
Components
:
:I do live in the metropolitan area of Sydney (where we still held
:6-digit numbers until the 80s) :)
:
:Regards,
:
:Ross..


Well, that just proves that there is always an exception to the rule. It depends
upon whether the particular exchange area you live in was stagnant in growth or
not - the area code was probably padded with an extra digit to make up the 7
digits. The fact is that Telecom (or PMG as it was then) was preparing the
network - Australia wide - for 7 digit numbering back in the early 70's and the
switch to 7 digits occurred in the mid to late 70's in MOST city/metro areas.

Here's an extract from a 1978 newsletter by the Action for Public Transport
(NSW) group. The entry of events for May the 14 contains both 6 and 7 digit
number examples.

--------------------------------------------------------------------------------

MEDIA RELEASE / NEWSLETTER / April 1978

--------------------------------------------------------------------------------

WHAT'S ON

SNIP

14 May

RALLY FOR BOTANY BAY-Walkathon, bike ride, energy fair, picnic. Marchers
(sponsored) will start from Dolls Point, Banksmeadow Park, & Tasker Park, and
cyclists from Belmore Pk., Central, at 10 am, converging on Cook Pk.,
Brighton-le-Sands. Enq. Don Morison, 95 5731, or FOE, 235 8037.
 
Ross Herbert wrote:
On Mon, 13 Jul 2009 00:08:02 +0000 (UTC), GeoffC <nospam@gmail.com
wrote:



I don't have ABSE available from my ISP, any chance of a
website to download it from?.


Me too if possible please.

I don't have a website and I haven't any plans to set one up.
Click to expand...
Most ISP's give free web space.
Don't need a web page or site, just FTP the files to a new directory on your
ISP server and everyone can see them.
Alternatively, use any one of the countless free file hosting sites, like
this one:
http://www.filefactory.com/

With any luck, Franc will do this and let everyone know where to find
it (perhaps?).
Click to expand...
If someone wants to email it to me I can put it up on my site.
Doesn't show up on my ABSE server.

Dave.
--
================================================
Check out my Electronics Engineering Video Blog & Podcast:
http://www.alternatezone.com/eevblog/
 
David Eather wrote:

The application note is here:

http://www.filedropper.com/hitachimosfetappnote
 
On Jul 15, 11:17 pm, David Eather <eat...@tpg.com.au> wrote:
David Eather wrote:

The application note is here:

http://www.filedropper.com/hitachimosfetappnote
Click to expand...


Thank you VERY much for your efforts in putting this up !
 
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