[time-nuts] Re: Optimal Meanwell for a Trimble Thunderbolt (RT-65B)

[Paul Christensen]

My Thunderbolts all use open-frame linear power supplies manufactured by International Power, Condor, and PowerOne.  They're expensive when purchased new but are typically under USD $100 on the surplus market.  Some model numbers to start a search:

HCBB105W-A+G
IHCAA-60W-510

Regardless of your final decision, I suggest not skimping with the power supply choice. 

Paul, W9AC

> On Jul 3, 2024, at 2:10 AM, skipp isaham via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> 
> Hello to the Group, trying to help a friend get a Trimble Thunderbolt GPSDO, back in to service. The real question I want to ask... is there an optimal/most practical Meanwell AC Triple Output +12V, -12V & 5V power supply? ... by model number (please)?
> 
> I prefer to only use Meanwell if given a choice (and no other easy option) for this specific application. Jameco has the RT-65B Power Supply available, Triple Output 5V 5A 12V 2.8A -12V 0.5A 65W   I'm sure there are other decent sources, right now we're trying to zero in on the smallest Meanwell power supply, adequate for the job.
> 
> My major concern with using the RT-65B is that I don't yet know the Thunderbolt's -12V (negative) current requirement.  If 500mA is enough to operate the unit, we'll be well on our way to having this unit on line.
> 
> Thank you in advance for your replies.
> 
> cheers
> 
> skipp
> skipp025 at yahoo.com
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