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  • Users: ehill03
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  1. ehill03

    Current Source/Sink Notation

    I have a relatively simple question: Today when looking over some datasheets for digital buffers (74als652) I ran across specs for I(OH) and I(OL). For this particular device, I(OH) is -15mA and I(OL) is 24mA. I take this as meaning I can "source" a load (connected between my output...
  2. ehill03

    Help! - Constant Current Sources

    Hi All, I'm currently working on a signal conditioning/isolation design for our products. Part of the design utilizes a constant-current source so that I can deal with bi-polar voltages. I am using a modified Howland, which incorporates a JFET and a LM313 instead of all the resistors. This...

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