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Groups > sci.electronics.design > #460923
| From | Winfield Hill <hill@rowland.harvard.edu> |
|---|---|
| Newsgroups | sci.electronics.design |
| Subject | Re: Tom Frederiksen, RIP |
| Date | 2017-05-19 08:11 -0700 |
| Organization | Rowland Institute |
| Message-ID | <ofn1vl01mvs@drn.newsguy.com> (permalink) |
| References | <0u4mhc14ghufu3d4kif638btbn2vuvvt75@4ax.com> <ofifrt02aeg@drn.newsguy.com> <b1f4f6ef-8a92-49ff-af5c-e53fbe90343e@googlegroups.com> |
bill.sloman@ieee.org wrote...
>
> Winfield Hill wrote:
>> Jim Thompson wrote...
>>> Winfield Hill wrote:
>>>> Jim Thompson wrote...
>>>>> Winfield Hill wrote:
>>>>>> Jim Thompson wrote...
>>>>>>> Lasse Langwadt Christensen wrote:
>>>>>>>> Winfield Hill wrote:
>>>>>>>>> bill.sloman@ieee.org wrote...
>>>>>>>>>>
>>>>>>>>>> But Jim can't name an integrated circuit he designed. ...
>>>>>>>>>
>>>>>>>>> I know he was a specialist in high-power IC design,
>>>>>>>>> see his 1968 paper in JSSC, "A Monolithic High-Power
>>>>>>>>> Series Voltage Regulator", and with James Solomon,
>>>>>>>>> "A High-Performance 3-Watt Monolithic Class-B Power
>>>>>>>>> Amplifier"; both were probably Motorola parts. And
>>>>>>>>> I have his paper on a Monolithic-Sonar-System. There
>>>>>>>>> are likely many more papers if one were to look. He
>>>>>>>>> also had patents, which I have stored in my computer.
>>>>>
>>>>> I'll browse the patents and can probably identify those
>>>>> products that are Motorola's.
>>>>
>>>> I'm curious about the two Motorola papers I quoted.
>>>
>>> I'm not sure they are Motorola papers. By 1968, they both may
>>> have left Motorola... there was some turmoil in those days ;-)
>>
>> Both papers list Motorola affiliation, that is they were
>> Motorola paid-for projects. Check them out on DropBox.
>> https://www.dropbox.com/sh/t27kt0zjnxo8a3p/AABRbcodOSEzxyBUaikzic1ia?dl=0
>
>The first paper looks as if it might correspond to the LM4871 - which is not a
>number I ever ran into, and sounds a good deal later than 1968. The LM380 and
>LM384 seem to fit the bill better - the LM380 is credited with 2.5W on the data
>sheet, and the LM3284 was a selected part that could survive a higher supply
>voltage and was rated for 5W.
>
>http://www.ti.com/lit/ds/symlink/lm380.pdf
>
>The second part is a voltage regulator, and Bob Widlar managed to corner most of
>the glory there.
Ahem, both were Motorola designs rather than NSC. But I
suppose it's possible neither were put into production.
--
Thanks,
- Win
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Tom Frederiksen, RIP Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-05-16 08:01 -0700
Tom Frederiksen, RIP bulegoge@columbus.rr.com - 2017-05-17 07:22 -0700
Re: Tom Frederiksen, RIP bill.sloman@ieee.org - 2017-05-17 08:22 -0700
Re: Tom Frederiksen, RIP Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-05-17 10:51 -0700
Re: Tom Frederiksen, RIP bill.sloman@ieee.org - 2017-05-17 18:28 -0700
Re: Tom Frederiksen, RIP Winfield Hill <hill@rowland.harvard.edu> - 2017-05-17 14:38 -0700
Re: Tom Frederiksen, RIP Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-05-17 15:58 -0700
Re: Tom Frederiksen, RIP Bob Engelhardt <BobEngelhardt@comcast.net> - 2017-05-17 23:10 -0400
Re: Tom Frederiksen, RIP stratus46 <stratus46@yahoo.com> - 2017-05-17 21:01 -0700
Re: Tom Frederiksen, RIP Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-05-17 21:21 -0700
Re: Tom Frederiksen, RIP bill.sloman@ieee.org - 2017-05-17 22:58 -0700
Re: Tom Frederiksen, RIP Winfield Hill <hill@rowland.harvard.edu> - 2017-05-18 10:26 -0700
Re: Tom Frederiksen, RIP Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-05-18 14:27 -0700
Re: Tom Frederiksen, RIP Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-05-18 14:38 -0700
Re: Tom Frederiksen, RIP Winfield Hill <hill@rowland.harvard.edu> - 2017-05-18 17:13 -0700
Re: Tom Frederiksen, RIP Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-05-18 18:02 -0700
Re: Tom Frederiksen, RIP Winfield Hill <hill@rowland.harvard.edu> - 2017-05-18 18:37 -0700
Re: Tom Frederiksen, RIP Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-05-18 19:14 -0700
Re: Tom Frederiksen, RIP Winfield Hill <hill@rowland.harvard.edu> - 2017-05-18 19:39 -0700
Re: Tom Frederiksen, RIP bill.sloman@ieee.org - 2017-05-18 20:57 -0700
Re: Tom Frederiksen, RIP Winfield Hill <hill@rowland.harvard.edu> - 2017-05-19 08:11 -0700
Re: Tom Frederiksen, RIP Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-05-19 08:22 -0700
Re: Tom Frederiksen, RIP Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-05-19 11:29 -0400
Re: Tom Frederiksen, RIP Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-05-19 08:46 -0700
Re: Tom Frederiksen, RIP Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2017-05-19 12:08 -0400
Re: Tom Frederiksen, RIP Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-05-19 09:13 -0700
Re: Tom Frederiksen, RIP bill.sloman@ieee.org - 2017-05-19 20:05 -0700
Re: Tom Frederiksen, RIP Winfield Hill <hill@rowland.harvard.edu> - 2017-05-19 09:46 -0700
Re: Tom Frederiksen, RIP Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-05-19 09:56 -0700
Re: Tom Frederiksen, RIP bill.sloman@ieee.org - 2017-05-19 20:17 -0700
Re: Tom Frederiksen, RIP Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-05-20 10:56 -0700
Re: Tom Frederiksen, RIP bill.sloman@ieee.org - 2017-05-21 05:21 -0700
Re: Tom Frederiksen, RIP Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-05-21 08:48 -0700
Re: Tom Frederiksen, RIP bill.sloman@ieee.org - 2017-05-21 22:01 -0700
Re: Tom Frederiksen, RIP Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-05-20 11:12 -0700
Re: Tom Frederiksen, RIP cameo <cameo@unreal.invalid> - 2017-05-18 20:06 -0700
Re: Tom Frederiksen, RIP cameo <cameo@unreal.invalid> - 2017-05-18 20:20 -0700
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