Questions tagged [information]

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103 views

Crystal Oscillator

What are the markings mean on this crystal that I found on a motherboard? Thanks.
0
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1answer
44 views

Need help with this Huffman coding question

If suppose there are messages m1,m2,m3,m4,m5 with probabilities 0.4, 0.21, 0.18, 0.14 and 0.07. We need to find Huffman encoded output for message sequence m3 m6 m5 m1 m1 m4 m2 m1 m2. I have solved ...
0
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1answer
100 views

Metal detector circuit description

I found a circuit for this metal detector and would like to make PCB. I can not find anything about this circuit. Maybe someone would know what this circuit is. What are the best component housings to ...
0
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1answer
37 views

Reverse engineering random camera module from mobile devices

I have A camera module I believe either from a tablet or a cell phone and I want to know where to find information on the serial pin out or on how to read the ribbon of the camera
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0answers
94 views

What is the derivation for Shannon Hartley theorem?

I know by Hartley's theorem that information is proportional to bandwidth and time. The capacity corresponds to information and bandwidth is there. I don't get how the logarithmic part corresponds to ...
2
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0answers
23 views

How do I learn about RFID families [closed]

I recently got a parallax RFID reader. The documentation says that it only works with the EM4100 family of RFID tags. So I tried looking it up and can’t seem to find any sort of resource explaining ...
0
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2answers
91 views

Shift Registers for generating codes

can you explain me in simple words how does a linear feedback shift register work for generating a code? Consider for instance this scheme: If I have understood it correctly, each block is a D Flip ...
0
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2answers
101 views

Why is information not doubled in this context? [closed]

Regarding the following section from a text: Why is information not doubled but increased 4/3 times? Can you give an example to clarify what is meant here? What is meant by information here?