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Low noise symmetrical PSU TPS7A4701 and TPS7A3301
Low noise symmetrical PSU TPS7A4701 and TPS7A3301
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Old 18th July 2018, 06:12 PM   #91
wealas is offline wealas
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He's, unfortunately, no longer active on this forum.
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Old 19th July 2018, 05:42 AM   #92
triode_al is offline triode_al  Netherlands
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Too bad.
I saw a nice TPS7A47 board on the Ali-market but I found no counterpart for the negative side.
So I am wondering where to get a soldered board?
Alternatively, I can place the unit on its back and solder directly on the chip. But its sure I will degrade somewhere and my way of working leads to suboptimalisation (like the story of an input inductor, or even an input capacitor that might just degrade the PSRR).
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Old 19th July 2018, 08:12 PM   #93
wealas is offline wealas
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Another member here sells dual polarity supplies at ldovr.com, also diyinhk.com has some.
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