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- Users: lkazutwgef
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smsl 1955+ DAC....opamp eatting monster
Quote: Binned already and built already. Just wondering how this thing could/can be sold. And nobody has a voltmeter?- lkazutwgef
- Post #29
- Forum: Dedicated Source Components
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smsl 1955+ DAC....opamp eatting monster
Could somebody measure the voltages on pins 4 and 8 of the opamps? For me they were +-7.5V. which is too low. I added an external power supply of +-15V for the opamps only and it was much better. see here: http://abload.de/img/img_8355bgfluo.jpg It's a really bad design...- lkazutwgef
- Post #25
- Forum: Dedicated Source Components
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smsl 1955+ DAC....opamp eatting monster
They don't read any datasheets DIR9001: "if the DIR9001 is used only for recovering the clock and decoding data from the biphase input signal, an XTI clock source is not required. In this case, the XTI pin must be connected to the DGND pin. (The DIR9001 does not have a selection pin for...- lkazutwgef
- Post #15
- Forum: Dedicated Source Components
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smsl 1955+ DAC....opamp eatting monster
Sorry double posting- lkazutwgef
- Post #13
- Forum: Dedicated Source Components
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smsl 1955+ DAC....opamp eatting monster
I think that thing is broken by design. I measure +7.5 and -6.5 supply voltage at the opamps, so they are overdriven regularly. I built a +-15V external supply for them. Sounds much better now. Or do you measure other voltages? I wonder how you can reasonably power the opamps from a...- lkazutwgef
- Post #12
- Forum: Dedicated Source Components