Why are tigers sometimes born with white fur? Detailed answer

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Why are tigers sometimes born with white fur? Detailed answer

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Why are tigers sometimes born with white fur?

There is an opinion that occasionally found white tigers are albinos, but this is not true. White fur with dark stripes, coupled with blue eyes, appears in Bengal tigers as a result of a mutation that occurs in one case per 10 individuals. White tigers breed well in captivity, now there are more than 000 of them in zoos around the world, and they are all descendants of one tiger cub found by a hunter in 100.

Authors: Jimmy Wales, Larry Sanger

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MAX31856 - ADC for thermocouples with protection and linearization 29.12.2015

The MAX31856 from Maxim Integrated allows you to quickly and easily implement a ready-made measurement path for working with thermocouples (K, J, N, R, S, T, E, and B types) on a single chip, because. contains all the necessary and sufficient functional blocks:

- protection of input lines;
- signal amplification and normalization circuit;
- ADC;
- reference voltage source;
- cold junction compensation;
- built-in linearization.

AFE can measure temperatures in the range of -210...+1800°C depending on the particular type of thermocouple with a resolution of 0,0078125°C. Each type of thermocouple has its own non-linearity, which is compensated by the internal linearization block. The inputs of the microcircuit have built-in protection in the range of +-45 V, as well as hardware for detecting a short circuit and a break in the sensor, and an output - an indicator of a substandard signal "FAULT".

Through the SPI interface, all the required settings are made, the choice of the type of thermocouple and the linearization function. The values are provided in degrees Celsius, which does not require the use of additional functions in the software.

To evaluate the AFE capability of the MAX31856, the MAX31856EVSYS evaluation kit is available, consisting of a MAX31856-based evaluation board, PC interface board, and software. This kit allows you to quickly and conveniently connect the chip to a PC and evaluate the achievable performance without additional development of a prototyping board. The MAX31856-based evaluation board has a PMOD interface, making it possible to connect it to your own board at the prototyping stage.

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