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    Discussion: OPAMP rail IN/OUT, 0.5uA/0.9V~5.5V supply mA out

    Un-believable, but it is true after the measurement ! See attached, it is the rail to rail IN/OUT opamp from SEIKOII. points are: 1. 0.9V~5.5V working voltage 2. 0.5uA supply current even on 1/2 Vsupply output (unity gain) and even for 5V supply 3. several mA output capability 4. Only one pole...
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    Spice to schematic convertor, or spice graphic viewer

    spice netlist viewer I believe many guys always happened the headache that get the spice netlist only, and you always have to re-input to schematic manually to understand the circuit. Does any body knows any tools could translate spice netlist to schematic such as pspice, MC7,...It still help...
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    Utility to change notebook battery charge IC register ?

    Who knows is there any PC utility (DOS or Windows) which can change or program the notebook battery charge IC (BQ2040 of TI) register (on EEPROM also inside the battery) via the SMbus (SMBbus) ? My notebook battery always report wrong battery status which cause my notebook shutdown even in...
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    Who knows IC: RX-28S -- vendor and data sheet

    rx 28s Who knows the IC: RX-28S what vendor it come from ? Also, I need its data sheet. It is the wireless control IC for "TOMY" mini toy car, can control the mini car four direction: forward,backward,left,right. Thanks
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    Can @DS or MWO simulate Rectangle Antenna w/ resonate cap

    Is it possible to use @DS or MWO to simulate the frequency response of the rectangle loop antenna w/ the resonate capacitor ? how ? I've tried above two tools by inputing several segments of suspend strip line to do the simulation but finally find they only treat them as "one" long strip line...
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    Can ADS or MWO simulate Rectangle Antenna w/ resonate cap

    Is it possible to use ADS or MWO to simulate the frequency response of the rectangle loop antenna w/ the resonate capacitor ? how ? I've tried above two tools by inputing several segments of suspend strip line to do the simulation but finally find they only treat them as "one" long strip line...

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