990 op amp in line input circuit
990 op amp in line input circuit
I've used the 990 discrete op amp with good success in the summing amp of a chip-based console before (as have many others). Have any of you come up with a circuit using the 990 to replace a 5532 (or 5534) at the line input of an i/o module? Real estate is obviously an issue but would be curious if any one has done this, how they did it, and how they liked it. Thanks!--mt
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These things are hard to beat for balanced line inputs: http://www.thatcorp.com/1200-series_Hig ... r_ICs.html
Much better CMRR than a simple one op-amp diff amp.
Much better CMRR than a simple one op-amp diff amp.
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