c_mitra -

19th May 2018, 17:58

electronicsman replied to a thread FaultDetection counters from the standard in Elementary Electronic Questions

The Fault detection counter is a variable used for test pass or fail of a component. If a test fails the counter will increment by say 10 and if it...

3 replies | 99 view(s)

19th May 2018, 08:03

electronicsman started a thread FaultDetection counters from the standard in Elementary Electronic Questions

I found the following from the standard FaultDetectionCounter1 -> The maximum value that FaultdetectionCounter0 has reached during the current...

3 replies | 99 view(s)

11th May 2018, 07:06

c_mitra replied to a thread What is the difference between small signal and large signal in mixer? and in OPamp? in RF, Microwave, Antennas and Optics

The signal will be considered small if it stays within the linear region. For an opamp, this means that the output is linearly proportional to the...

1 replies | 93 view(s)

10th May 2018, 17:21

electronicsman replied to a thread Mosfet failure during switching in Power Electronics

If the switching like 120 degrees is improper for some time does the MOSFETs fail?

4 replies | 163 view(s)

10th May 2018, 16:58

electronicsman started a thread Mosfet failure during switching in Power Electronics

I just wanted to know if in a BLDC motor i am driving and in the initial phase of testing may be i want to try with different switching. In case my...

4 replies | 163 view(s)

10th May 2018, 10:41

c_mitra replied to a thread cheap soldering iron for 0402 resistors in Service Manuals, Requests, Repair Tips

This is cheap; really! Not in price though and you can get two for the same price from alibaba. If you can see them you can solder them! The most...

7 replies | 656 view(s)

10th May 2018, 10:24

c_mitra replied to a thread Extremely high zener current in oscillator in Hobby Circuits and Small Projects Problems

If your load impedance is high and the current demand is modest, you can certainly drive the load with the switches directly (no need to bother...

26 replies | 741 view(s)

9th May 2018, 10:05

electronicsman replied to a thread Sine Look Up Table Clarification in Elementary Electronic Questions

Finally the output seems to have come the phase to phase voltages low pass output.

22 replies | 962 view(s)

9th May 2018, 02:26

electronicsman replied to a thread Microcontroller reset reason in Microcontrollers

I will explain the sequence more clearly 1. The code executes normally. 2. There is a parameter like current which can be varied externally. 3....

10 replies | 347 view(s)

8th May 2018, 18:04

electronicsman replied to a thread Microcontroller reset reason in Microcontrollers

I am not doing in software it is done automatically by hardware.

10 replies | 347 view(s)

8th May 2018, 17:44

electronicsman replied to a thread Microcontroller reset reason in Microcontrollers

Thank you for the reply. When I see the Reset Control register it shows two bits to be set BOR, POR. But Brown out Reset is disabled and Power on...

10 replies | 347 view(s)

8th May 2018, 15:44

electronicsman started a thread Microcontroller reset reason in Microcontrollers

It is again a generic question more related to micro chip family of controllers. If a controller is restting can we narrowed to hardware or software...

10 replies | 347 view(s)

7th May 2018, 05:31

c_mitra replied to a thread Extremely high zener current in oscillator in Hobby Circuits and Small Projects Problems

Usually zeners are used in the reverse bias mode but that is not the case in the present circuit. If you are talking about D2 and D3, they will take...

26 replies | 741 view(s)

5th May 2018, 16:24

electronicsman replied to a thread Sine Look Up Table Clarification in Elementary Electronic Questions

I have put a low pass filter at the phase voltage point. These are some of the waveforms i am seeing. I have few clarifications if i can ask?

22 replies | 962 view(s)

2nd May 2018, 14:57

electronicsman replied to a thread Sine Look Up Table Clarification in Elementary Electronic Questions

This is the best i could do for current waveform through current probe. If not better i can try once again. Please provide your feedback.

22 replies | 962 view(s)

1st May 2018, 10:02

electronicsman replied to a thread Sine Look Up Table Clarification in Elementary Electronic Questions

I was trying with the application note AN1017A sinusoidal control. I am able to run the motor it seems to run smoothly and seem to draw less current....

22 replies | 962 view(s)

30th April 2018, 18:44

electronicsman replied to a thread Sine Look Up Table Clarification in Elementary Electronic Questions

Thank you for the reply. My doubt is what is the method to be followed to arrive at PHASE_ZERO because in one of micro chip project he is using 0 and...

22 replies | 962 view(s)

30th April 2018, 18:30

c_mitra replied to a thread Sine Look Up Table Clarification in Elementary Electronic Questions

You may consider the following: It may be more convenient to use integer arithmetic (then the table will be all positive numbers (say 0-1023 or...

22 replies | 962 view(s)

30th April 2018, 13:19

electronicsman replied to a thread Sine Look Up Table Clarification in Elementary Electronic Questions

Sorry to ask it here but i have one clarification from this link http://www.microchip.com/forums/m421226.aspx about the #define PHASE_ZERO ...

22 replies | 962 view(s)

29th April 2018, 18:16

electronicsman replied to a thread Sine Look Up Table Clarification in Elementary Electronic Questions

Frankly speaking when you said that then i started thinking of the frequency range because my assumption was i can represent all the frequencies...

22 replies | 962 view(s)

29th April 2018, 16:02

electronicsman replied to a thread Sine Look Up Table Clarification in Elementary Electronic Questions

I am sorry nothing like secret, i am referring to the micro chip application note AN1017A where i was trying to analyze the look up table. It is very...

22 replies | 962 view(s)

29th April 2018, 15:22

electronicsman replied to a thread Sine Look Up Table Clarification in Elementary Electronic Questions

No not only 2khz the frequency is a variable based on that i calculate the table index.

22 replies | 962 view(s)

29th April 2018, 13:58

electronicsman replied to a thread Sine Look Up Table Clarification in Elementary Electronic Questions

Yes i think i am doing the same if it is a 64 value table i am storing in a array table of 64 sine values. Based on frequency my table index i am...

22 replies | 962 view(s)

29th April 2018, 09:32

electronicsman started a thread Sine Look Up Table Clarification in Elementary Electronic Questions

I am planning to understand the sine look up table. Let us say i create a 64 element sine look up table. Hence the calculations are like 2*Pi/64...

22 replies | 962 view(s)

26th April 2018, 06:10

electronicsman started a thread Space Vector PWM Clarification in Power Electronics

I am confused with the following thing. Hope to get some help. The application note i am referring to is a TI but i am implementing it for microchip...

1 replies | 178 view(s)

24th April 2018, 18:03

electronicsman replied to a thread RPM calculations and understanding in Power Electronics

I am confused does it mean that 1 revolution is not equal to 360degrees.

5 replies | 352 view(s)

24th April 2018, 16:15

c_mitra replied to a thread Edaboard Poor Performance in About EDAboard.com

I used adblock plus but that is not the culprit here; I still get the close box when I whitelist the page. (the only difference is that the close...

80 replies | 14881 view(s)