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In the Forum: Didital Things
In the Thread: Pacific Microsonics Model 2
Post Subject: Another pleasant surprisePosted by Romy the Cat on: 6/6/2009
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I put the Model 2 today in the system and configured my typical operation mode. I got another pleasant surprise. It looks like the Model One and Two has different DC offset pattern. Both use digital offset and both are not defeatable. Here is where Lavry Gold kick ass as it has an option to turn the DSP DC offset off. What I observe that Model one killed DC instantly but the Model Two has a very slow tracking circuit that null DC with a few seconds. This is VERY good as if any DC show up then the A/D’s DSP do not jerk the correction but let the short and middle-length DC bust to be and react very slowly only to long turn DC instability. In my case (and I have all DC-coupe outputs on my decoders) I deal with DC in output stages of my multiplexers, at analog domain. So, I need no DSP DC correction and if I do then I need it to measure DC very slowly and very seldomly in beginning (as multiplexers is warmed up I do not need any DC correction anymore). So, the slow tempo of Pacific’s Model Two I find is way more optimum. Again, is it the Model Two’s feature or is it how the given unit is calibrated? Go figure….
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