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Recent content by Irfansw07

  1. I

    To correct Error in Gain Margin and Phase Margin in MATLAB

    I have 3 poles value @ 100Hz , 1MHz and 10MHz and open loop gain (Ao) = 10000. When I calculate Gain Margin and Phase Margin through MATLAB than its showing Infinity but when I compare with textbook answer than Texbook answer is showing some numerical value rather than Infinity. Can somebody...
  2. I

    Gain Margin and Phase margin in Matlab

    I can see that the ωpc values remain same but with ur code its in rad/s but in book it is MHz.Also Gain margin is still different and phase margin is still invalid as compare to textbook result ... I wonder can it be related to pi value insertion or r we have to assume this value as correct ...
  3. I

    Gain Margin and Phase margin in Matlab

    I have use it as Margin command and tf command also with num & den command but when I compare with text book result the answer is not same as here the both GM and PM is infinite ... I was wondering if there is something to do with value being taken ?
  4. I

    Gain Margin and Phase margin in Matlab

    Can anybody plz give me this answer in Matlab : If I have poles give as 100Hz, 1 MHz and 10 MHz and loop gain as 10^4 than what is Gain Margin and phase margin ? And can plz tell how to calculate in Matlab ? Thanks in advance
  5. I

    Class D amplifier IC chip performance

    I have design an Class D amplifier chip and now trying to compare with how we design in Cadence.I am using apparatus as Signal Generator,Powersupply,Oscilloscope ,Breadboard and seprate PCB Board for inserting teh Chip. Right now I am not able to get the output form Chip .. Can anybody explain...
  6. I

    Audio Precision Instrument need help

    Can u plz do let me know how to check the maximum level voltage in it as when it is connected to device under test it does not bring damage.... I want to bring down voltage level for my this instrument but as cant get any idea so hope to get some idea from ur instrument ....
  7. I

    Audio Precision Instrument need help

    Hi Can anyone plz give me some information for using Audio Precision Instrument so as to measure performance of Device ? It can be link or manual .. Thanks in advance
  8. I

    IC Chip Pin number Verification

    Thanks a lot for the reply to all and it did work
  9. I

    IC Chip Pin number Verification

    Can u please elaborate it little further like wat should be the result for that verification to be correct ?
  10. I

    IC Chip Pin number Verification

    I have my IC Chip being place in some kind of chip holder in PCB board . At back of PCB board for chip holder I want to verify that same pin number is shown at back at same position as it is being depicted at the front of PCB Board. I want to know how to check it with multimeter being use ...
  11. I

    How to set input voltage in Function Generator for AC signal ?

    Re: Function Generator Thanks to it ... There is another question related to it if u can answer it ... I am facing at the moment problem of not able to display the set frequency of Signal generator in Oscilloscope ..... Its like I set 5 MHz frequency in Signal generator but its displaying in...
  12. I

    How to set input voltage in Function Generator for AC signal ?

    Hi How to set input voltage in Function Generator for AC signal ? Function generator model being use is LFG-1310 Thanks in advance
  13. I

    Problem with boost converter with PWM generator block in VerilogA

    I am working on boost converter with PWM generator block in as VerilogA. When switch2 and switch3 are close and other switch remain open(off) than there is still some current remain in the Inductor. Also the difference voltage through Inductor is not Zero at this Instant. I am hereby attaching...
  14. I

    convert analog to digital through pic

    DC DC converter I am working on boost converter with PWM generator as VerilogA. When switch2 and switch3 are close and other switch remain open(off) than there is still some current remain in the Inductor. I was wondering that if both switch2 and switch3 when close than Inductor current...
  15. I

    ideal switch in Cadence

    HI I am new to this use of ideal switch... Can anyone please help me in telling that if I can use this switch instead of transistor in Inverter... I want to check how it works so I want to start with use as switch instead of transistor in Inverter test bench circuit.. Thanks in advance
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