Difference between revisions of "Resistors"
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* https://www.eevblog.com/forum/beginners/checking-for-noise-in-resistors/ - searching for noise in resistors. have setup with good resistor. compare to carbon dirt resistor. A note about old equipment with a 'noise' button, used for searching out bad components (see image of heathkit in thread). | * https://www.eevblog.com/forum/beginners/checking-for-noise-in-resistors/ - searching for noise in resistors. have setup with good resistor. compare to carbon dirt resistor. A note about old equipment with a 'noise' button, used for searching out bad components (see image of heathkit in thread). | ||
* https://www.eevblog.com/forum/projects/ebay-75mm-slide-pots-interesting-taper/ Trap 'W' style audio equalizer potentiometer scale. | * https://www.eevblog.com/forum/projects/ebay-75mm-slide-pots-interesting-taper/ Trap 'W' style audio equalizer potentiometer scale. | ||
| + | ====Potentiometers==== | ||
| + | * https://www.eevblog.com/forum/metrology/oxco-design-questions/msg5724645/?topicseen#msg5724645 for metrology, if you are going after ppm, you may need a minimum current across a pot to prevent oxidization. | ||
==Tips/Techniques== | ==Tips/Techniques== | ||
Revision as of 07:15, 30 December 2024
Resist. Resistance is futile. Join the Resistance. Simply irresistible.
List
- https://www.eevblog.com/forum/projects/creating-a-track-resistor/ - impossible track resistor
- https://www.eevblog.com/forum/beginners/checking-for-noise-in-resistors/ - searching for noise in resistors. have setup with good resistor. compare to carbon dirt resistor. A note about old equipment with a 'noise' button, used for searching out bad components (see image of heathkit in thread).
- https://www.eevblog.com/forum/projects/ebay-75mm-slide-pots-interesting-taper/ Trap 'W' style audio equalizer potentiometer scale.
Potentiometers
- https://www.eevblog.com/forum/metrology/oxco-design-questions/msg5724645/?topicseen#msg5724645 for metrology, if you are going after ppm, you may need a minimum current across a pot to prevent oxidization.
Tips/Techniques
200W 8 ohm Non Inductive Resistor
That's a big power resistor! Per Nuts and Volts 2022-5 https://www.parts-express.com/8-Ohm-200W-Non-Inductive-Dummy-Load-Resistor-019-030?quantity=1 They have 4. https://www.parts-express.com/electronic-parts/resistors-potentiometers/dummy-load-resistors
Ringing on a Digital Pot being used as a Voltage Divider via PWM
https://www.eevblog.com/forum/beginners/digital-pots/msg5446562
