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Linear

In common usage, linearity refers to a mathematical relationship or function that can be graphically represented as a straight line, as in two quantities that are directly proportional to each other, such as voltage and current in a simple DC circuit, or the mass and weight of an object. A crude but simple example of this concept can be observed in the volume control of an audio amplifier. While our ears may (roughly) perceive a relatively even gradation of volume as the control goes from 1 to 10, the electrical power consumed in the speaker is rising geometrically with each numerical increment. The "loudness" is proportional to the volume number (a linear relationship), while the wattage is doubling with every unit increase (a non-linear, exponential relationship). In electronics, the linear operating region of a device, for example a transistor, is where a dependent variable (such as the transistor collector current) is directly proportional to an independent variable (such as the base current). This ensures that an analog output is an accurate representation of an input, typically with higher amplitude (amplified). A typical example of linear equipment is a high fidelity audio amplifier, which must amplify a signal without changing its waveform. Others are linear filters, linear regulators, and linear amplifiers in general. In most scientific and technological, as distinct from mathematical, applications, something may be described as linear if the characteristic is approximately but not exactly a straight line; and linearity may be valid only within a certain operating region—for example, a high-fidelity amplifier may distort even a small signal, but sufficiently little to be acceptable (acceptable but imperfect linearity); and may distort very badly if the input exceeds a certain value, taking it away from the approximately linear part of the transfer function.

Linear > Interface > Bus Line Transceiver

型号	DS	厂牌	批号	数量	地区	采购
MAX202ECSE		Maxim	2022+	48000	中国	要求报价
MAX202ECSE		Maxim	1998	18	加拿大	要求报价
MAX202ECSE		Maxim	-	2088	中国	要求报价
MAX202ECSE		Maxim	-	5005	中国	要求报价
MAX202ECSE+		Maxim	201051	8	西班牙	要求报价
MAX202ECSE+		Maxim	201303	303	台湾	要求报价
MAX202ECSE+		Maxim	-	260	英国	要求报价
MAX202ECSE+		Maxim	200948+	60	中国	要求报价
MAX202ECSE+		Maxim	-	200	香港	要求报价
MAX202ECSE+		Maxim	-	325	波兰	要求报价
MAX202ECSE+		Maxim	-	1000	中国	要求报价
MAX202ECSE		Maxim	-	2309	加拿大	要求报价

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