Re: Spice Model for ADI 500MHz Four-Quadrant Multiplier Added to my Website

On Wed, 16 Apr 2025 17:57:23 -0400, Phil Hobbs
<pcdhSpamMeSenseless@electrooptical.net> wrote:

On 2025-04-16 15:45, john larkin wrote:

On Tue, 15 Apr 2025 21:00:51 -0700, john larkin <jl@glen--canyon.com>
wrote:
 

On Wed, 16 Apr 2025 02:23:52 -0000 (UTC), Phil Hobbs
<pcdhSpamMeSenseless@electrooptical.net> wrote:
>

john larkin <jl@glen--canyon.com> wrote:

On Tue, 15 Apr 2025 11:53:47 -0400, Phil Hobbs
<pcdhSpamMeSenseless@electrooptical.net> wrote:
>

On 2025-04-15 08:30, FRAUBRJ wrote:> Hello,

Where can I find your AD834 spice model today?
>

<https://electrooptical.net/static/oldsite/www.analog-innovations.com/AD834_JT_SUBCKT.zip>
>
No warranties, expressed or implied.

>

Unless one is really picky, a simple BV block can multiply.
>
>

>
Do they come in TSSOP?
>
Cheers
>
Phil Hobbs

>
The BV price is better.
>
https://www.digikey.com/en/products/detail/analog-devices-inc/AD834JRZ/621076

 
I wonder if many peope have a need for an expensive precision analog
multipier in real life.
 

>
In test sets, probably.  Otherwise no.
>
Cheers
>
Phil Hobbs
(Who last used one in about 1995)

Yeah, that sort of analog computing is a distant memory now.

Test sets? How?

We do still use some MDACs, but we'd go all digital in the future on
that product. A 1 Ms/s 14-bit ADC is $2.