Electronic Products is not a real engineering publication. It is a forum
purely for new product releases. Always has been.

Articles there are almost always written by applications engineers for the
product being touted.

I got it free for decades, and threw the magazine away at once, unread.

Why, you ask? Simple, the EEM...  Electronic Engineers' Master, the giant,
multi-volume industry directory with company names and phone numbers,
about the size of a cinder block... came free, with a subscription.

Best,

-John

=================



> For me, this looks like a advertisement campaign only. Not very
> sophisticated or ingenious. Read that you don't need LC-filters at the
> output because of the LDOs. *lol* If the designer ever heard of corner
> frequency??
> And the ISL9000A is the same.
>
>
> - Henry
>
> --
> ehydra.dyndns.info
>
>
> David C. Partridge schrieb:
>> Hmmmm I wasn't impressed.  The 'scope screen shot of noise levels on the
>> outputs used 20mV/division, and the thickness of the regulated traces
>> told us precisely nothing.  Now if the author had measured 20uV noise
>> over a BW of 10Hz to 100kHz (about 63nV/rtHz), or 3uV over the same BW
>> (about 10nV/rtHz), I'd have started to get interested.
>>
>> However as no claims were made, I took the title of "Ultra-Low Noise"
>> with a large shovel of salt.
>>
>>
>> Regards,
>> David Partridge
>>
>>
>> -----Original Message-----
>> From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
>> Behalf Of ewkeh...@aol.com
>> Sent: 08 March 2011 21:41
>> To: time-nuts@febo.com
>> Subject: [time-nuts] Low noise power supply
>>
>> There is an interesting article in the March 2011 Electronic Products
>> magazine "design an ultra low noise supply for analog circuits. It is a
>> combination of switcher and LDO's and written by P Hunter TI so it may
>> also  be available on their site.
>> Bert Kehren
>> _______________________________________________
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