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mantabernd 4th November 2012 01:51 PM

Problem with simulation Load Sensing Circuit
2 Attachment(s)

I try to simulate the load sensing circuit from Bob Cordells Book on Page 329 (see attachment).

So I added the parts in tina-ti and simulated it, but everytime the output voltage is about 7.4-7.6V

The voltage has to be much lower when less then 2,5 Ohms (R2) are connected.

The current at am1 is 10mA and the threshold is 2,5mV.

So now I need help, I don't get it... :( Maybe someone here knows what to do :)


mantabernd 4th November 2012 03:23 PM

Problem is solved, I didn't connect the supply pins correctly :(

I thought pos. is on the upper and neg on the lower side of the symbol but that was wrong.


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