Gazelle

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jph
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Joined: Fri Apr 10, 2020 12:50 pm
Location: Somewhere over the rainbow..

Re: Gazelle

#21 Post by jph » Thu Jul 22, 2021 8:58 am

Good morning Hugh,
One of the things you are going to need for this project is a suitable bench PSU for testing.
Ideally, it needs to be fully adjustable from 1 to 30V DC, AND fully current limiting (adjustable) - probably up to 3A would be fine. It MUST be adjustable current limiting.
You will need this for testing and experimenting.
I am pretty sure you have all the general stuff - multimeter etc etc ? - you may even have a bench psu .
Also, a good selection of hook up leads and clip connectors and micro-grip connectors for the PSU and multi-meter.
That was my thought of the morning :D
Joe.
“Everything in moderation, including moderation.”
“Experience is merely the name men gave to their mistakes.”
Joe (CISSP) -IT security consultant

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HughB
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Re: Gazelle

#22 Post by HughB » Thu Jul 22, 2021 9:04 pm

Hi Joe
Very good idea. I’ve been meaning to get a bench psu for a while. I will have a peek and see what I can dig up that will be suitable and within budget.

I’ve taken some pics of the AHI for you but I need to re scale then as there are size limits on the forum posts and pm’s

Cheers Hugh

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jph
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Re: Gazelle

#23 Post by jph » Fri Jul 23, 2021 9:17 am

Hi Hugh.
A dual PSU is REALLY nice, but a single will ABSOLUTELY do. There are plenty around.
If possible, don't go above 30V 3A (5A max) - there are so called '10A units' out there, but the regulation and ripple will , unless you pay a lot of money, be totally shite and totally not needed.
Also if possible, definitely go for a linear unit, as opposed to switching PSU. - ie: one with a BFO transformer as opposed to an SMPS.
There are though, some really nice units out there for this kind of stuff. I have seen some nice little units on Amazon UK for around 50 quid. !
If you have a budget of 100 quid or more, then ebay may well turn up a really quality unit from a respected manufacture. It may well be twenty years old but absolute quality.
“Everything in moderation, including moderation.”
“Experience is merely the name men gave to their mistakes.”
Joe (CISSP) -IT security consultant

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HughB
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Re: Gazelle

#24 Post by HughB » Fri Jul 23, 2021 7:28 pm

Hi Joe
I sent you a pm. The pics you wanted and a link to a bench psu that looks about right. They are sat in the outbox so not sure if they have arrived.
Regards Hugh

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