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Hi,
I am simulatin my VHDL code in modelsim through Xilinx ISE there are many cases that when I run simulation modelsim runs and stops at below stage!... I don't see what has caused this problem:
# vsim -lib work -voptargs=\"+acc\" -t 100ps work.SDI_Ftest
# Loading std.standard
# Loading...
Hi all,
I have a problem in understanding teletext specification on part 5 which disscusses data spectrum,
it says data bit rate is 6.9375Mbit/s and when it is going to draw a one bit data pulse it draws it like a sinc shape with at least two times of bit rate
in figure 5 you can see that the...
Hi all,
I have an MPEG2 encoder which has DVB-ASI outputs -188 bytes per packet- now i need to send my stream over E3,
I know that there are some chips available but I don't know how to start.
Is there anybody who has worked on converting ASI to E3?
I would appreciate any help on this issue...
Hi All,
I am designing a circuit which want to
record phone line conversations using microcontroller
I need to detect line busy, free line,on hook or
off hook line status.
Is there any circuit or information for
these line states?
Is there any software algorithms
which I can use in my...
Hi all,
I am using a caller ID chip which can detect both FSK and DTMF caller IDs on its input there is differential amplifier which we use a protection circuit to connect [TIP, RING] to it and there are very precise resistors in the input network.
I could run one of these chips some years ago...
Hi all,
can anybody tell me which type of capacitors is better for audio applications?
I have a circuit which amplifies audio differential signals with opa1632 and I have used tantalum caps for ac coupling between various stages but a guy told me electrolyte caps are better and if you use...
Hi all,
I am using keil software for my software development on a
custom board based on LPC2368 microcontroller and 12.00MHz
crystal clock on board.
The main and big problem that I have is setting the PLL
and CPU clock frequency correctly.
I used MSEL:11 and MSEL:1 and from equations in...
Hi Alex,
Thank you for your comment and consideration.
I think ADCs on microcontrollers have an A/D converter which is shared between input channels and as I read for PIC microcontrollers there is an acquisition time for ADC after channel change which means the minimum time which is needed for...
Hi all,
I am starting to work with LPC2368 and use its ADC in my project
I want to use its ADC to sample from 4 channels with rate of 12KBps on each channel, but I don't know about its ADC in details for example I don't know how much ADC Acquisition time is when we change the channel or how...
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