SV: [sdiy] Mopho modulation DAC configuration, update rate, etc

[karl dalen]

Dave Manley <dlmanley at sonic.net>
> The output of the DAC is buffered by a TL34072 Op Amp, in
> non-inverting mode with a gain of 2. The power is
> +12/-5.  Interestingly the TI web page indicates this
> part is obsolete and no longer available:

It's actually a Motorola part, now ON Semi.
 
> http://focus.ti.com/docs/prod/folders/print/tl34072.html
> 
> The buffered output is connected to two HCT4051 Analog
> Demultiplexers, power is +/-5V.  Each 4051 provides 8
> S/H outputs in the standard way, for a total of 16 S/H
> outputs.
> 
> Each S/H is refreshed at 1.25kHz, or every 800uS.

Kinda slow when Dave S had claimed, quote something:
*Analog process blocks are slower then the digitally
*generated function generators.*

KD

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