Difference between revisions of "Resistors"

Revision as of 12:17, 20 September 2025

Resist. Resistance is futile. Join the Resistance. Simply irresistible. Re:sister.

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.

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.
https://www.edn.com/pwmpot-approximates-a-dpot/ Alternative to digital pots. Has advantages, such as higher resolution, but does not work at high frequencies.

https://www.mouser.com/pdfDocs/20201116comparingthinfilmvsthickfilmchipresistors1.pdf - Stackpole Comparing Thin Film vs. Thick Film Chip Resistors Note that Thin film resistors have less noise, and may be preferred as bulk resistors for audiophile (low noise) applications.

Dip switches as an attenuator

Dip switches are great. Here is a use of dip switches as an attenuator (N/V 2020 issue 5).

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 ====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.
+* https://www.edn.com/pwmpot-approximates-a-dpot/ Alternative to digital pots. Has advantages, such as higher resolution, but does not work at high frequencies.
 ==Thin/Thick Film SMD Resistors==