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Questions tagged [data-rate]

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2 votes
2 answers
267 views

How to compute the energy efficiency in bits/s/watt

The energy efficiency (EE) in wireless communications is usually calculated as the ratio of data rate to power consumption: how many data (in bits per second) are delivered per consumed power (in ...
zdm's user avatar
  • 125
-1 votes
1 answer
82 views

Data rate for an ASK modulation [closed]

A telephone line with a bandwidth of 3 kHz and an SNR of 6 dB. I am asked to calculate the maximum bitrate on this line and the error probability, knowing that ASK modulation is used. For ASK ...
Mouh Kramo's user avatar
0 votes
1 answer
110 views

Why does PCIe still hold on to 'transfers/second' instead of bits/second or symbols/second?

I think it is kinda all covered in the title. To my (incomplete) knowledge, PCIe is the only modern bus that still expresses its rate in transfers per second. Is there, apart from 'tradition' any ...
Joren Vaes's user avatar
  • 12.6k
0 votes
0 answers
79 views

Selecting the suitable ADC data rate and LPF for a DC measurement

I want read the voltage from an electrochemical battery and send it to my PLC in order to do some automation (average value is around 1.2V, and I need an accuracy better than 100 microvolt). I am ...
bardulia's user avatar
  • 407
1 vote
1 answer
64 views

How to compute data rate I can reach with my design?

I implemented a modulator for a transmitter, which sends baseband modulated signal. The transmitter has the following parameters: datarate : 520 Ksps (min), 64,44 Msps (max) Bandwidth: BW = 56 MHz (...
AD23's user avatar
  • 31
2 votes
0 answers
156 views

AD9361: how to compute datarate and configure filters

I will use AD9361 as a transmitter of a modulated baseband signal. The modulated baseband signal is implemented in FPGA/SDK. AD9361 has real-time bandwidth of 56MHz but we have maximum 61.44 MSPS data ...
AD23's user avatar
  • 31
3 votes
1 answer
528 views

ADXL345 Accelerometer data rate vs bandwidth

I recently started working with the ADXL345 Accelerometer and got a bit confused on what's the difference between the data rate and bandwidth. From the ADXL345 datasheet p14, we can see the different ...
B.Adlane's user avatar
2 votes
2 answers
1k views

Maximum Ethernet bandwidth through a slip ring

I'm trying to understand what would prevent a 1 GbE non-optical slip-ring from transmitting 10GbE, 40GbE or even 100/200/400GbE. They all have 'metallic'/copper variants (backplane or short cable) and ...
Touisteur EmporteUneVache's user avatar
2 votes
2 answers
186 views

Maximum rate between ADC-FPGA link for Igloo 2 vs Max 10

An ADC has a source synchronous output interface and is to be interfaced with an FPGA. The ADC can communicate using single ended CMOS, DDR CMOS and DDR LVDS. How do I know what is the fastest rate ...
gyuunyuu's user avatar
  • 2,103
0 votes
2 answers
39 views

How can Google Fiber make a difference since most of the mediating wires out there are copper?

Optic fiber sends more data more quickly. But if you look at the Google Fiber map you will see that only the local connections are optic. The rest of the world is almost entirely copper, right? So won’...
Demogorgon93's user avatar
0 votes
1 answer
112 views

Expected SDRAM access speeds?

I would like to get an idea of how fast SDRAM accesses should be. If I have a 32-bit ARM based processor running at 500MHz accessing an SDR sdram device clocked at 166MHz, what sort of read/write ...
Ronnie Shipman's user avatar
0 votes
0 answers
615 views

What are the differential voltage technology used for PCIe gen 4, gen 5 and gen 6?

I have been studying various IO standards used for various PCIe generations? I understand that PCIe Gen-3 uses LVDS, LVPECL and PCML. I would like to learn what are the standards used for other ...
student7's user avatar
  • 319
0 votes
0 answers
164 views

How can I simulate microwave radio link transmission?

My task is to simulate a two-way data transmission microwave link. The fixed parameters are distance, transmitter power, carrier frequencies, bandwidth, receiver noise figure, intermediate frequency, ...
Bálint Csejtei's user avatar
15 votes
9 answers
8k views

Why doesn't higher frequency mean higher data rate?

My question is very primitive :) I've read multiple articles today and answers here, on Stack Exchange, but still don't understand one thing. Why doesn't frequency itself affect data rate in mobile ...
Raiker's user avatar
  • 167
0 votes
1 answer
221 views

What is the meaning of Output data rate of Bosch BMI270?

what is the meaning of ODR (output data rate) BMI270 says it has 1.6kHz for accelerometer ODR does it mean internal registers update rate is 1.6kHz or 1.6kHz/(16bit x 3) = 33Hz ? (here 3 is, 3 ...
oppo's user avatar
  • 547

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