[SI-LIST] Audio books
- From: "K. Sankar" <ksankar@xxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>, <si-list-bounce@xxxxxxxxxxxxx>
- Date: Wed, 14 Jan 2004 14:29:22 +0530
HI All,
Any one can recommend which book is good for reading audio.
Regards,
K.Sankar,
Sr-Hardware Design Engineer.
Emuzed India Limited.
ksankar@xxxxxxxxxx
Tel:-525 2224 Ex 201
www.emuzed.com
----- Original Message -----
From: "Bart Bouma" <bart.bouma@xxxxxxxxx>
To: <weirsp@xxxxxxxxxx>
Cc: <gstokes@xxxxxxxxx>; <si-list@xxxxxxxxxxxxx>;
<si-list-bounce@xxxxxxxxxxxxx>
Sent: Wednesday, January 14, 2004 1:40 PM
Subject: [SI-LIST] Re: Proadlizer - new decap?
> Steve,
> Yes, I fully agree with this, but in the meantime I received some info
> that says that the impedance characteristic of this proadlizer is flat
> upto 1GHz (and I assume this is at milli-ohm level ;-) ).
> It's a four terminal device, and package seems to be a "wafer" type, with
> multiple flat leads protruding.
>
> Until now no plot and picture found.
>
> The claimed ESL-value by NEC-Tokin is indeed 1pH, not 1nH as I assumed in
> a note posted yesterday.
> But still , after reading this new information, a level that I think is
> unpossible to reach, certainly taking in account the mounted inductance.
>
> regards, Bart
>
>
>
>
>
>
>
> steve weir <weirsp@xxxxxxxxxx>
>
> 13-01-04 19:39
> Sent by: si-list-bounce@xxxxxxxxxxxxx
>
> Please respond to weirsp
>
>
> To: bart.bouma@xxxxxxxxx
> gstokes@xxxxxxxxx
> cc: si-list@xxxxxxxxxxxxx
> si-list-bounce@xxxxxxxxxxxxx
> Subject: [SI-LIST] Re: Proadlizer - new decap?
> Category:
>
>
>
> Bart,
>
> Even if NEC claims 1pH, once the device is mounted, the mounted value will
>
> jump by two orders of magnitude.
>
> Steve.
> At 11:30 AM 1/13/2004 +0100, Bart Bouma wrote:
> >Hi Geoff,
> >my guess is it's not 1pH. but 1nH.
> >Obtaining 1pH seems impossible to me, even with e.g. IDC- and X2Y-caps,
> >which incorporate magnetic flux cancelation, one doesn't obtain such low
> >values.
> >These typically have ESL-values of 50 upto 100pH.
> >
> >I assume (....) this Proadlizer is a new development low-esr polymer
> >capacitor (like Nec-Tokin's tantalum Neocapacitor with conductive polymer
> >cathode).
> >It probably is in a compact, having a low profile, package offering lower
> >ESL-values than standard tantalum-caps do.
> >Standard Tantalums offer typical ESL values of 2.0 - 2.5 nH (case size D)
> >In this context 1nH can be considered a low ESL-value, certainly when
> >offering a capacitance of 200uF.
> >
> >regards, Bart
> >www.yageo.com
> >
> >============================================================
> >
> >
> >
> >I found this and only this, after searching a while for descriptive info:
> >
> >http://www.nec-tokin.com/english/top/news.cgi?mode=body&id=14
> >
> >For once, Google did not help!
> >
> >My guess is it's not really a conventional 2-terminal capacitor. By
> >analogy
> >with 4-terminal resistors with Kelvin connections, there are devices
> which
> >can give you very low ESL (1pH claimed in this case). But they are
> really
> >filters with 3 or more terminals. The RF community has long used
> >discoidal
> >feed-thro capacitors for GHz decoupling, which are best seen as 3
> terminal
> >devices. The ground connection around the edge of the disc is possibly
> >the
> >lowest common impedance ever (that is the amplitude of Z12 for network
> >enthusiasts). But no such device can produce such a low driving-point
> >impedance at a single port (Z11) without impractical dimensions.
> >
> > > -----Original Message-----
> > > From: Mark Alexander [mailto:mark.alexander@xxxxxxxxxx]
> > > Sent: 12 January 2004 22:48
> > > To: si-list@xxxxxxxxxxxxx
> > > Subject: [SI-LIST] Proadlizer - new decap?
> > >
> > >
> > > Hey all,
> > >
> > > On the subject of new capacitor technologies, does anyone have
> > > information on NEC's Proadlizer? Apparently the name is a
> > > contraction
> > > of Prompt, Broadband Stabilizer. I can't find much press on it.
> > >
> > > -mark
> > >
> > >
> > >
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