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Winged words, phraseological units. Meaning, history of origin, examples of use
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What is our life? A game!
Pushkin A.S.
Phraseologism: What is our life? A game!
Meaning: About the randomness of success, luck and the insignificance of the role of the efforts of the person himself in achieving any goal, about the unpredictability of any events, etc.
Origin: This is a line from the libretto of P. I. Tchaikovsky's opera "The Queen of Spades" based on the novel by A. S. Pushkin. The author of the libretto is Modest Ilyich Tchaikovsky, brother of P. I. Tchaikovsky: "What is our life? A game! // Good and evil are only dreams! // Labor, honesty are fairy tales for a woman. // Who is right, who is happy here, friends ? // Today you, tomorrow I!"
Random phraseology:
To whom is a donut, and to whom is a hole from a donut.
Meaning:
About the unfair division of something.
Origin:
An inaccurate quote from the play "Mystery Buff" (1918) by Vladimir Vladimirovich Mayakovsky (1893-1930): "Why are you boiling? // We promised and we divide equally: // one - a bagel, the other a donut hole. // This is a democratic republic ". |
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Random news from the Archive Low Power Instrumentation Amplifier INA828
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The INA828 is a precision low noise instrumentation amplifier from Texas Instruments with a wide supply voltage range (4,5...36V or +-18V), an extremely low noise level of 7nV/vHz, and low power consumption (650µA (max)).
INA828 is designed specifically for measuring instruments and, thanks to a unique set of metrological characteristics, can be used in signal circuits of high accuracy devices, such as pressure sensors, temperature sensors, electrocardiographs, current and voltage meters with a high accuracy class. Due to its low power consumption, the INA828 can be used in devices with high power consumption requirements (such as wearable measuring and medical devices).
Another interesting feature of the INA828 is the built-in protection in the +-40 V range, which can greatly improve the reliability of the analog channel. The amplifier is stable when operating with a capacitive load up to 1 nF over the entire operating temperature range of -40...125°C and is available in a convenient SOIC 8 package.
Specifications:
Supply voltage: 4,5...36 V or +-18 V;
Offset voltage: 50 µV (max);
Noise density: 7nV/vHz;
Input protection: +-40 V;
CMRR: 110 dBm, (min, K=10);
Current consumption: 650 μA (max);
Working temperature range: -40...125°C.
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