From: Manu Abraham <abraham.manu@gmail.com>
To: Microcontroller discussion list - Public. <piclist@mit.edu>
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Date: Wed, 2 Dec 2020 07:38:34 -0800
Subject: Re: [EE] Piezo driver
Thread-Topic: [EE] Piezo driver
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Hi Jason,

Though weird, the thought of using a buck converter is indeed thought provo=
king.
Will fiddle around a bit and see how it goes along.

Thanks,
Manu

On Wed, Dec 2, 2020 at 12:48 AM Jason White
<whitewaterssoftwareinfo@gmail.com> wrote:
>
> Discrete solution: N channel FETs in H-bridge configuration plus beefy ga=
te
> driver. 1-2Mhz switching frequencies are pretty commonly in SMPS design.
> You might find an SMPS controller with integrated FETs and make it do you=
r
> bidding by altering the voltage at the feedback pin.
>
> On Tuesday, December 1, 2020, Manu Abraham <abraham.manu@gmail.com> wrote=
:
>
> > Hi Jason,
> >
> > Thanks for chiming in.
> >
> > I am sorry, my bad and incomplete post. Should've elaborated that I
> > was searching for a
> > single chip solution, or a discrete solution, rather than a completely
> > built equipment.
> >
> > Best Regards,
> >
> > Manu
> >
> >
> > On Tue, Dec 1, 2020 at 6:04 PM Jason White
> > <whitewaterssoftwareinfo@gmail.com> wrote:
> > >
> > > Check out "signal amplifiers" which typically get used with bench top
> > > signal/function generators.
> > >
> > > Model 9100 "300V high voltage amplifier"
> > >
> > > Datasheet:
> > > https://www.taborelec.com/Tabor//userdata/SendFile.asp?
> > DBID=3D1&LNGID=3D1&GID=3D719&FID=3D1161
> > >
> > > 0.1ohm output impedance
> > > "small signal" -3db bandwidth 1MHz, at 20Vp-p
> > >
> > > Cost?
> > >
> > > No affiliation with the seller.
> > >
> > > Be aware, this is a "high voltage amplifier" they also appear to clas=
sify
> > > some of their amplifiers as "high frequency" and "high current"
> > >
> > > https://www.taborelec.com/signal-amplifiers
> > >
> > > Regards,
> > > Jason White
> > >
> > >
> > >
> > >
> > > On Tuesday, December 1, 2020, Manu Abraham <abraham.manu@gmail.com>
> > wrote:
> > >
> > > > Hi folks,
> > > >
> > > > I am looking for a power amplifier that can do about 1.8MHz with a
> > > > swing of about 18V, the piezo element with an impedance of 2 ohms a=
t a
> > > > resonant freq. of 1.77MHz.
> > > >
> > > > Any known designs that can do, or any pointers ?
> > > >
> > > > Thanks,
> > > >
> > > > Manu
> > > > --
> > > > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
> > > > View/change your membership options at
> > > > http://mailman.mit.edu/mailman/listinfo/piclist
> > > >
> > >
> > >
> > > --
> > > Jason White
> > > --
> > > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
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> >
>
>
> --
> Jason White
> --
> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
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