I've only used an ultra low esr 33F supercap made in Korea in the source
circuit of the input JFET on a preamp.
Down to 10Hz at least it didn't appear to add significant noise to the 4nV/rtHz
@10Hz preamp.
Bruce
> On 26 August 2019 at 13:52 Didier Juges wrote:
>
>
> How do SuperCaps compare
How do SuperCaps compare with electrolytics noise-wise?
Didier KO4BB
On Sun, Aug 25, 2019, 9:04 AM Gerhard Hoffmann wrote:
>
> Yes, these electrolytic capacitors can produce ugly effects.
>
> The winner is clearly the cheap
>
> < https://www.digikey.de/products/de?keywords=1189-1056-ND >
Am 25.08.19 um 10:52 schrieb Hal Murray:
att...@kinali.ch said:
As you have always two channels, I would recommend to use two mixers fed with
an LO that is 90°C out of phase to get I and Q components.
How does that compare with running a single channel twice as fast?
At low enough
Am 24.08.19 um 23:49 schrieb Jan-Derk Bakker:
there may be some flicker noise present, I've not personally seen the poor
DC performance in many S/D audio converters either (apart as artefacts from
the front-end electrolytic coupling capacitors).
Yes, these electrolytic capacitors can produce
att...@kinali.ch said:
> As you have always two channels, I would recommend to use two mixers fed with
> an LO that is 90°C out of phase to get I and Q components.
How does that compare with running a single channel twice as fast?
--
These are my opinions. I hate spam.
Attila,
How would you rate the HP E1437A VXI ADC for this application?
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