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for chip design, SOP may be the one.
for application feild, implementatio of new Video technologies seems to be hot.
However, I think everyone posts correct idea, here.
DSP or FPGA
well, many design embed a DSP core into FPGA, since we can get an excellent system architecture
with a optimized balance between HW and SW.
mcu distributors
Probably the only thing you have to do is to make them believe that your order is real, not an estimation. For the cheapest 4 bit MCU you may consider about the Taiwan company, I cann't remember another application with 4bit MCU except the simple toy. They may have it, even...
hi,pisoiu:
Thank you very much for your guide.
First of all, I am not considering a layout problem. But probably you are
right, it comes from the improper deal with the digital/analog power and ground.
The PCB artworker is not an experienced one.
But I hope it's not that bad, since I...
Are you using SPICE?
I am not an analog engineer but I saw in SPICE you can define many kind of stimulus.
The squarewave surely can be made.
And if you are metion about the real system.
It's much easier to generator a squarewave, is it?
It happened that recently I was bothered by a data acquisition problem.
I have a system base on one DSP.
and one FPGA implement 4 PWM channel and an ADC controller.
To test the ADC controller, I use 1 PWM channel to generate sinwave
and force the output to ADC input , and output the readed data...
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