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  2. Decibel - Wikipedia

    en.wikipedia.org/wiki/Decibel

    The number of decibels is ten times the number of bels (equivalently, a decibel is one-tenth of a bel). P and P 0 must measure the same type of quantity, and have the same units before calculating the ratio. If P = P 0 in the above equation, then L P = 0. If P is greater than P 0 then L P is positive; if P is less than P 0 then L P is negative.

  3. Analog-to-digital converter - Wikipedia

    en.wikipedia.org/wiki/Analog-to-digital_converter

    4-channel stereo multiplexed analog-to-digital converter WM8775SEDS made by Wolfson Microelectronics placed on an X-Fi Fatal1ty Pro sound card AD570 8-bit successive-approximation analog-to-digital converter AD570/AD571 silicon die INTERSIL ICL7107. 3.5 digit (i.e. conversion from analog to a numeric range of 0 to 1999 vs. 3 digit range of 0 to 999, typically used in meters, counters, etc ...

  4. Blood type distribution by country - Wikipedia

    en.wikipedia.org/wiki/Blood_type_distribution_by...

    50.0% and above 40.0–49.9% 30.0–39.9% 20.0–29.9% 10.0–19.9% 5.0–9.9% Ethnic distribution of ABO (without Rh) blood types [ 75 ] (This table has more entries than the table above but does not distinguish between Rh types.)

  5. Currency pair - Wikipedia

    en.wikipedia.org/wiki/Currency_pair

    A currency pair is the quotation of the relative value of a currency unit against the unit of another currency in the foreign exchange market.The currency that is used as the reference is called the counter currency, quote currency, or currency [1] and the currency that is quoted in relation is called the base currency or transaction currency.

  6. Currency - Wikipedia

    en.wikipedia.org/wiki/Currency

    A currency [a] is a standardization of money in any form, in use or circulation as a medium of exchange, for example banknotes and coins. [1] [2] A more general definition is that a currency is a system of money in common use within a specific environment over time, especially for people in a nation state. [3]

  7. List of countries by government budget - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    A positive (+) number indicates that revenues exceeded expenditures (a budget surplus), while a negative (-) number indicates the reverse (a budget deficit). Normalizing the data, by dividing the budget balance by GDP, enables easy comparisons across countries and indicates whether a national government saves or borrows money.

  8. Resistor ladder - Wikipedia

    en.wikipedia.org/wiki/Resistor_ladder

    A 1953 paper "Coding by Feedback Methods" [1] describes "decoding networks" that convert numbers (in any base) represented by voltage sources or current sources connected to resistor networks in a "shunt resistor decoding network" (which in base 2 corresponds to the binary-weighted configuration) or in a "ladder resistor decoding network" (which in base 2 corresponds to R–2R configuration ...

  9. New Zealand dollar - Wikipedia

    en.wikipedia.org/wiki/New_Zealand_dollar

    On 4 March 1985, the NZ$ was floated at the initial rate of US$0.4444. Since then the dollar's value has been determined by the financial markets, and has been in the range of about US$0.39 to 0.88. The dollar's post-float low was US$0.3922 on 22 November 2000, and it reached a post-float high on 9 July 2014 of US$0.8821.