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Hello,
I a m designing Bandgap reference voltage with 1.3V supply,i getting trouble in accurate output waveform,output waveform should parabolic but i am getting different shape...i attched waveform and schematic ....please anybody can me help me....Bias current is 50ua, iam using single stage...
matlab sinad
hi,
before doing dft on the digital outputs i generate a stair wave, normalize it i.e., divide by 2^N. how do i normalize the signed output of the ADC? my ADC is 8 bit value and 1 bit sign.
regards,
vijay
thd measurement
hi gunturikishore,
i am simulating for 307 cycles for the input with total number of records=2048. fin=9.21MHz and fsample=61.44MHz and the ADC is 8 bit. for now i am simulating using an ideal ADC so it is not taking much memory. i wanted to confirm my testbench and...
sinad snr
hi,
after doing some study i have finally used this approach. following are the steps.
1. run a transient analysis to record 2048 points.
2. generate the stair output of the ADC using the digital outputs.
3. divide this by 2^N where N is the number of bits of the ADC output.
4. using...
sinad measurement
Hi,
I am trying to measure the above mentioned dynamic specs of an ADC in Spectre. My ADC is a pipelined, 8-bit and operating at 80MSPS. What i am doing is giving a sinusoidal input of 9MHz and sampling frequency of 60MHz. The input frequency i decided using fin/fs=Mc/M...
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