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TF1260 appears on my doormat

Help & news on accelerators from TF, Amiga, Atari, CD32 etc

Moderators: terriblefire, Terriblefire Moderator

terriblefire
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Re: TF1260 appears on my doormat

Post by terriblefire »

The fixes to the TF1260 are done. The builders won’t be pleased to know I’ve added about 20 more caps.

I’m just waiting for some advice on via stitching around a high frequency area before submitting an order
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PhilC
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Re: TF1260 appears on my doormat

Post by PhilC »

20 more caps? but that SMT stuff is easy and i'm willing to bet its all the same value as the other stuff right?
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Re: TF1260 appears on my doormat

Post by terriblefire »

PhilC wrote: 29 Dec 2019 19:42 20 more caps? but that SMT stuff is easy and i'm willing to bet its all the same value as the other stuff right?
Yes, but it seems to take forever when building one.
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Re: TF1260 appears on my doormat

Post by PhilC »

I guess that's because when you made the 330 and 360 they were easy and quick to build?

If you are soldering with hot air then it's just z case of a couple of extra mins but obviously with a soldering iron its going to be a pain.
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Re: TF1260 appears on my doormat

Post by terriblefire »

PhilC wrote: 29 Dec 2019 21:05 I guess that's because when you made the 330 and 360 they were easy and quick to build?

If you are soldering with hot air then it's just z case of a couple of extra mins but obviously with a soldering iron its going to be a pain.
Well even with the hot air its slow because I tend to tin all the pads first.
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"It is not necessarily a supply voltage at no load, but the amount of current it can provide when touched that
indicates how much hurting you shall receive."
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Re: TF1260 appears on my doormat

Post by Subzero79 »

Solder paste and a moded oven do the job or solder paste and ir bulb or halogen lamp for 1 min
terriblefire
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Re: TF1260 appears on my doormat

Post by terriblefire »

Subzero79 wrote: 30 Dec 2019 21:54 Solder paste and a moded oven do the job or solder paste and ir bulb or halogen lamp for 1 min
You need a stencil for that. I dont have one. Dont have an oven either. Generally not used solder paste much
———
"It is not necessarily a supply voltage at no load, but the amount of current it can provide when touched that
indicates how much hurting you shall receive."
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Re: TF1260 appears on my doormat

Post by Subzero79 »

Only for capacitors resistirs ecc no ics
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Re: TF1260 appears on my doormat

Post by chucky »

more caps? damn. I am alergic to caps and it makes me sneeze. and then it blows off.. :)

hey 54 capos now.. 20 more. well. so? :)
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Re: TF1260 appears on my doormat

Post by terriblefire »

I’ll add more just for you Chucky.

My last question is about some via stitching around the Clock multiplier chip..... and also I was going to use the differential clock out to keep the clock sane on its way to the CPLD.

The chip has a CLK and CLKN out... at the moment I don’t use them like this. Thoughts?
———
"It is not necessarily a supply voltage at no load, but the amount of current it can provide when touched that
indicates how much hurting you shall receive."

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