MOTM

So that's what's meant on the datasheet by "* May require jumpering or
potentiometer adjustment."
And probably why some catalog ratings differ from the manufacturer's
datasheet.

hmmmmmm...

On Oct 14, 2009, at 4:07 PM, Richard Brewster wrote:

> Paul helped me to configure a Power One HAA15-0.8-AG supply for
> +/-15 volt outputs. It required cutting a jumper to change from the
> default +/-12V. I described the project here.
>
> http://pugix.com/synth/portable-rack-cabinets/
>
> Richard Brewster
>
> Paul Schreiber wrote:
>> Bench triple supplies generally use a *variable* +_ supply (usually
>> 0 to 20V) and a variable 0 to +6V supply. MOTM uses +-15V because
>> that allows more headroom than +-12V (Euro standard). Can you run
>> MOTM modules off +-12V? The anser is yes BUT (and this is a BIG
>> BUT) you will not get the expected results. Can MOTM modules be
>> modified to work on +-12V? The answer is yes BUT every module will
>> have to be individually modified in different ways, some are a LOT
>> of work while other may be 3 resistor changes.
>>
>> There are 100s of variable triple supplies on ebay.
>>
>> {aul S.
>>
>>
>> --- jackv@... wrote:
>>
>> From: Jack VanAken <jackv@...>
>> To: MOTM List <motm@yahoogroups.com>
>> Subject: [motm] Power supply newbie type question
>> Date: Tue, 13 Oct 2009 20:43:05 -0700
>>
>> I've been -gradually- getting started on the DIY side of things
>> and have relied considerably on the
>> (no longer available, but I saved a copy,) Synth Tech Tutorial/
>> Resource page for tool suggestions, and I have been wondering
>> about Paul's recommendation: "A stable, regulated power supply for
>> testing. I STRONGLY suggest buying a linear supply.
>> It needs to be a "triple output" (+5, +12, -12). I like the Elpac
>> Model WM220-1."
>>
>> Question, why/how is a +12/-12 PS acceptable when MOTM (format)
>> modules are rated for +15/-15?
>>
>> tia,
>> Jack
>>
>>
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>