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2 different Vdd value in a circuit
hi, i m using mentor graphic for my circuit design. I m designing a rail to rail op amp. i need to supply 1.2v vdd to my complementary differential circuit while i need to supply 5v of vdd for my class ab amplifier becoz it consisted of 6 transitor, therefore...
hi, i m designing a circuit where my input stage require only 1.2V for the Vdd but my output stage require 5V for the Vdd. Therefore, i need to use 2 different Vdd value for my circuit. I would like to ask whether can I use Vdd = 1.2V for the input stage circuit and Vcc = 5V for the output stage...
Hi, I m using TSMC 0.13um technology, i would like to ask whether can a transistor havr w/l ratio of 1/8? Where the length is larger than width to have a higher voltage gain and lesser current gain. Thank you
oh, thank you for the information. here is my full circuit, where on the left is consisted of current bias circuit which supply current to the input and output, and also class AB amplifier for the output stage.
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hi, sorry to disturb again.Please ignore my post above. This...
How do I connect my Vss for my testbench ?
Hi, i was doing my testbench in Mentor Graphic. I was doin the test for my rail-to-rail op amp therefore i would need to use Vss instead of ground and i was confused on how to connect my Vss. I attached along the picture for my testbench circuit as...
ohh..thank you for ur reply and information. Because from what i found from the journal, it said that this is complementary differential input with active load control. The additional 6 transistor for the upper and lower (circle in red) is to constant the transconductance / gm value. Are they...
Hi, I am currently design an rail-to-rail op amp and i found a circuit for the input stage with rail-to-rail input using complementary differential amplifier but unfortunately there are additional transistor in the circuit (those transistors that i circle in red). I know the additional...
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