What is the yellow purple black brown brown resistance, what is the brown brown black black red resi

Black, brown, red, orange, yellow, green, blue, purple, gray, and white are ., in that order9。Yellow-violet, black-brown is 47022 five-color ring resistance. The last link is error.

The value of the first three rings is multiplied by the 10x power of the fourth ring. The first color ring is a hundred digits, the second color ring is a ten-digit number, the third color ring is a number, the fourth color ring is the color power, and the fifth color ring is the error rate. The resistance should be 47000 ohms with an error of 2%.

When TTL circuits.

When driving a COMS circuit, if the TTL circuit outputs a high level.

Below the lowest high level of the COMS circuit (typically, a pull-up resistor is required at the output termination of the TTL.

to raise the output high level.

The OC gate must be connected with a pull resistor before it can be used. In order to increase the driving capacity of the output pin, some single-chip microcomputer pins.

Pull-up resistors are also often used. On the COMS chip, in order to prevent damage caused by static electricity, the unused pins cannot be suspended, and the pull-up resistor is generally connected to reduce the input impedance and provide a load relief path.

The pins of the chip are added with a pull resistor to increase the output level, thereby increasing the noise tolerance of the input signal of the chip and enhancing the anti-interference ability. Improve the immunity of the bus to electromagnetic interference.

Ability. If the pin is suspended, it is easier to accept external electromagnetic interference. The mismatch of resistance in long-term transmission can easily cause reflected wave interference, plus pull-down resistance.

It is resistive matching, which effectively suppresses the interference of reflected waves.

The principle of selecting the resistance value of the pull-up resistor.

In terms of power consumption saving and the chip's current sinking capacity, it should be large enough: the resistance is large and the current is small.

In order to ensure that there is enough drive current, it should be small enough: the resistance is small, and the current is large.

For high-speed circuits, an excessively large pull-up resistor may have a flat edge. All things considered.

The above three points are usually selected between 1k and 10k. The same is true for pull-down resistors.

Resistors rely on color bands to indicate the magnitude of resistance.

Black, brown, red, orange, yellow, green, blue, purple, gray, white, in order, 0, 1, 2... 9。

Yellow, purple, black, brown, brown is 47022

The last link of the five-color ring resistance is the error, and the value of the first three rings is multiplied by the 10 color powers of the fourth ring.

The first color ring is a hundred, the second color ring is a ten-digit number, the third color ring is a single digit, the fourth color ring is the color number that should be multiplied by the power of the color, and the fifth color ring is the error rate.

The resistance should be 47,000 ohms, and the error is two percent.

Brown, black, black, and red is a color code of resistance, and according to the color code identification rules, it can be known that the resistance value represented by brown, brown, black, and red is 10 000 ohms, and it can also be expressed as 10k. The basic function of the resistor is to limit the flow of current, and it can play the role of controlling the direction of current flow. Resistors are connected in a circuit that allows the circuit to produce the expected resistance and voltage.

Resistors are often used to amplify and control current signals.

To understand how resistors work, you need to know the three basic characteristics of resistors: resistance, accuracy, and power. Resistance is the resistance force provided by the resistor in ohms ( ) Industrial resistors have a tolerance range of 1% to 20%, so accuracy is also an important factor.

Endurance refers to the maximum amount of power that a resistor can withstand, usually measured in watts (W).

In addition to the normal fixed resistors, there are also variable resistors, which can adjust the resistance value as needed. More complex resistors such as potentiometers, which have multiple resistors and can produce more complex resistive loads.

In modern electronics, resistors are often used to model and control systems, as well as as feedback elements in circuits. Resistors are widely used, not only in electronic devices, but also in industry, communications, computer science and other fields.

In addition, there are different types of resistors, such as metal film resistors, carbon film resistors, and thin film resistors, etc., which have their own advantages and disadvantages in use, and need to be selected according to actual needs. For circuits with higher precision requirements, you can choose metal film resistors with higher accuracy, and for circuits with more stringent cost requirements, you can choose relatively low carbon film resistors.

To sum up, the resistance value represented by brown, brown, black, black and red is 10k, and the resistor is the basic element that controls the current and voltage in the circuit, with different accuracy and power requirements. <>

Yellow-brown-black-brown-brown silver collapse resistor is a common standard resistor model, which is commonly known as "loop resistor". The resistor is labeled in a "color algebraic" fashion—a yellow-brown, black-brown shape. The values represented by yellow, brown, and black are respectively , and the values represented by brown are units, multiplied by 1000 to calculate the value of the resistance, so the resistance size of the yellow-brown black-brown-brown resistor is + 10*10 0 = .

The color algebra of a standard resistor model can be represented using a four-color nomenclature, which uses a combination of color and number to represent different resistance values. For example, a four-color nomenclature is used to circle a resistor with a resistance value of + 2*10 0 = .

Brown, brown, black, purple, yellow, 110*10, 7

Brown, black, purple, yellow, 100*10 7

Brown, black, black, red, brown 100*10 2 plus or minus 1

The units are all ohms.

Brown, black, gold, brown, the resistance is 10 ohms, and the error is 1%.

Brown means the number 1, black means the number 0, black means the number 0, gold means the multiple, and brown means the error is 1% 100 * ohm.

Brown, black, black, blue, red, the resistance is 100 megaohms, and the error is 2%.

Brown means the number 1, black means the number 0, black means the number 0, blue means 1 million times, and red means the error is 2%.

100*10 6 1*10 8 ohms 100 megaohms.

The resistance value of brown-black-black-brown-brown is: 10 ohms 1% accuracy.

A color ring of a certain color is applied to the surface of the resistor to represent the resistance value of the resistor, which is the color ring resistance. It is divided into three rings, four rings, five rings and six rings, and usually four rings. The fourth of the four-ring resistors.

The first and second rings represent the resistance of two significant digits, the third ring represents the magnification, and the fourth ring represents the error.

Four-ring resistor.

The number formulas represented by the first and second rings are: Brown 1, Red 2, Orange 3, Yellow 4, Green 5, Blue 6, Purple 7, Gray 8, White 9, Black 0.

The third ring represents the mantra of the order of magnitude: gold:, black:

1, Brown: 10, Red: 10 2, Orange:

10 3, Yellow: 10 4, Green: 10 5, Blue 10 6, Purple 10 7, Gray 10 8, White 10 9.

The fourth ring indicates the mantra of error: silver 10%, gold 5%, brown 1%, red 2%, green, blue, purple, white, colorless 20%.

Brown-brown-black-black-brown resistance 110 ohms; Brown, black, black, brown, brown resistance value 1k, both accuracy are 1%, the general color ring identification has a distinction that is the accuracy ring, the accuracy color ring is in the last one, the distance between it and the previous color ring is larger than the spacing before other color rings, the standard requirement is 2 times, usually times.

Brown 1 Black 0 Black 0 Brown 1 Brown 1% = 1000 1% That is, 1k

Orange, silver resistors, orange 3.

Five-ring resistance, the first ring, the second ring, and the third ring can be read directly, and the fourth ring is a multiplier, orange 000, and its resistance resistance is 330k. Gold and silver are errors, green 5, blue 6.

Brown 1, red 2, white 9, black 0Brown is 1k, which is 1000 euros, brown 1, orange. Gold and silver are errors that can be left uncounted: orange, which can be left uncounted.

Therefore, the five-ring resistor is called precision resistor, black 0, black 0, orange 3, black 0. Hope it helps. , the last brown is an error of 1%, brown plus a 0, orange 3, yellow 4, black, purple 7, gray 8, that is to say, the color of the fourth ring is several, that is, add a few zeros, such as brown, black, black, brown.

Hello color ring resistance meter to see how many resistance values, brown, black, black, red, brown resistance value is 10k, resistance error is 1%;

The color ring colors on the resistor are: black, brown, red, orange, yellow, green, blue, purple, gray, white, gold, silver, colorless.

The meaning and calculation method of the color ring of the resistor is as follows, but it is necessary to distinguish between the four-color ring resistance and the five-color ring resistance

It is calculated as:

1. Color marking method: use different colored bands or dots to mark the nominal resistance value and allowable deviation on the surface of the resistor. The meaning of each color:

1. The color represents the meaning of resistance: black-0, brown-1, red-2, orange-3, yellow-4, green-5, blue-6, purple-7, gray-8, white-9.

2. The color represents the meaning of the multiplier: black-1, brown-10, red-100, orange-1000, yellow-10000, green-100000, blue-1000000, purple-10000000, gray-100000000, white-1000000000, gold and silver.

3. The four-color ring resistance color represents the significance of the error: gold - 5%, silver - 10%.

4. The five-color ring resistor color represents the significance of the error: brown - 1%, red - 2%, green - blue - purple - gray - .

Second, the four-color ring resistance representation method:

1. 1. The two-color ring directly represents its number;

2. The third ring represents the multiplier;

3. The fourth ring indicates the error.

3. Representation of five-color ring resistance:

1. One, two, and three color rings directly represent their numbers;

2. The fourth ring represents the multiplier;

3. The fifth ring indicates the error.

4. For example: 1. Four color rings: brown, red, orange, gold; The resistance value is: 12000 = 12k with an error of 5%;

2. Five-color ring: brown, red, orange, yellow, brown; The resistance value is: 1230000 = 1230k = error of 1%;

3. Five-color ring: brown, red, green, gold, brown; The resistance value is: error of 1%;