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Tool/software:
I have attached a TINA simulation of LM13700 in which I want to limit the output voltage. Please consider the following requirements
1. When I am giving an input of 383mV peak to the amplifier the limiter IC should not come into action.
2. When the input is greater than 383mV the limiter should come into action and limit the output to 700mV.
3. I have used a PNP transistor to turn on and give the drive current to the limiter.
4. I am not getting any change in the output .. Why?
Hi Arjun,
I'm having a hard time following the circuit you sent over. Specifically the NJM2028 model.
Is the pinout of this device suppose to be what's shown below (I labeled the schematic pins in bold red)?
It might be best to start simplifying the diagram to isolate the issue. You said that you are not seeing a change in the output, have you confirmed the issue arises from the LM13700? Have you isolated that part of the circuit?
Best Regards,
Robert Clifton