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Questions tagged [data-rate]

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37 views

Calculate the data speed with clock rate

If the clock speed is 45.25MHz and I need 7 data cycles within that clock cycle, could someone show me the math to figure out the data speed frequency ?
0
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2answers
49 views

How to calculate the maximum data rate or frequency of a bus driver

I'm searching a suitable bus driver for a project. I found the Nexperia 74VHC244D. On the website they say the maximum frequency is 60MHz (here). But how do I calculate the 60MHz? Because it's not ...
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1answer
23 views

Bandwidth and Data Rate FSK Demodulations

I have a question about the data-rate limitations imposed from bandwidth for FSK signals. Suppose I transmit an FSK signal with frequencies as: $$f_1 = 2400 MHz,$$ and $$f_2 = 2401 MHz$$ that is ...
0
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1answer
94 views

What are the advantages of a wider bus in comparison to those of a higher clock frequency? [closed]

The aim is to increase data transfer rate. I understand each may have some drawbacks and advantages. Frankly I'm not knowledgeable enough to know of many so I'd like some input from others. I know ...
0
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1answer
43 views

IEEE 802.11b bandwidth and data rates

I am self-studying on how 802.11b bandwidth and data rates are calculated, primarily those of 1 and 2 Mbps. These are my understandings, please correct them if they are wrong. Please keep in mind I am ...
4
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1answer
357 views

Observing ethernet auto-negotiation packets using oscilloscope

In an answer to one of my previous posts seen here: Verifying 802.3 auto negotiation, @Zac67 mentions that by using an oscilloscope I could observe normal and fast link pulses that are sent in order ...
0
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1answer
98 views

Compatibility between XBEE-PRO 900 HP and XBEE SX

I wanted to use a 900 MHz xbee and I need one side to be surface mount. So I'm thinking of getting an XBEE PRO 900 HP (XBP9B-DMST-002) and an XBEE SX (XB9X-DMUS-001). These devices have the same ...
1
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2answers
361 views

what relationships exists between the BER vs SNR graphs of QPSK and QAM modulation schemes on data throughput. which scheme does better?

Using QAM and QPSK modulation schemes, RF field measurements like received signal power and pathloss were obtained from where the SNR values were estimated. Their BER values were also calculated and ...
3
votes
1answer
186 views

TX Antenna dBi relevant for transmit and receive rate?

If for example I have a USB WiFi adapter with -70dBm sensitivity and 20dBm tx output power and a 5 dBi omnidirectional antenna. If I change the antenna to 9 dBi, in the coverage zone with same range, ...