Precision resistors, which have more precise values than standard resistors, have five color bands. Four of the bands tell you the nominal value. The fifth band tells you the tolerance. You can count on the actual resistance of a precision resistor being really close to its nominal value. So...
Q: What is the gold or silver multiplier on 4-band resistors? A: These denote EIA preferred values. Gold = multiply by 0.1, silver by 0.01. Q: Can you read a resistor’s value without decoding the color bands? A: Yes, you can directly measure a resistor’s resistance using a multime...
Read the serial number from the top side of the IC. The top side of the IC is facing up when the chip is standing on its pins. You may require a magnifying glass while reading the IC serial information. Open your Internet browser and enter the IC's serial number into either the Googl...
Resistor color codes You can figure out the resistance of a resistor from the pattern of colored bands. On most resistors, you'll see there are three rainbow-colored bands, then a space, then a fourth band colored brown, red, gold, or silver. Turn the resistor so the three rainbow ...
Make a drawing of the top of the circuit board. Show the positions of the capacitors, integrated circuits, resistors, transistors and other components. Review it to make sure everything is included. Step 2 Draw up a parts list. Label all the components on the drawing by the first letter ...
How to Read Resistor by Color Code Here are some common FAQs about choosing resistors for printed circuit boards: What is the difference between SMD and through-hole resistors? SMD (surface mount device) resistors are small, flat chips that are soldered directly onto the surface of PCBs. Throu...
Use the same technique as the previous step to solder your resistors into place. Your board is starting to take shape! A standard Fuzz Face circuit will require three resistors with different ratings: 33K, 470R, and 100K. 5. Solder the Socket ...
They use a ribbon with alternating CMYK color bands. The ribbon passes in front of a print head that has a series of tiny heated pins. The pins cause the wax to melt and adhere to the paper, where it hardens in place. Thermal autochrome printers have the color in the paper instead of...
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While some pyrometers measure a single band of radiation, others can make more accurate measurements by comparing two wavebands (in other words, two different spectral "colors"); those are called ratio pyrometers or two-color pyrometers.