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Standard Resistor Values - RF Cafe

http://www.rfcafe.com/references/electrical/resistor-values.htm

Standard base resistor values are given in the following tables for the most commonly used tolerances (1%, 2%, 5%, 10%), along with typically available resistance ranges. To determine …


Resistor Markings - Alpha Numeric & Color Codes - RF Cafe

https://www.rfcafe.com/references/electrical/resistor-markings.htm

Tolerance, temperature, package style and failure rate are integrated into some numbering schemes. When I posted a recommendation for new uses for the color codes on the RF Cafe …


Resistor combos - RF Cafe Forums

http://forum.rfcafe.com/forums/circuits-components/Resistor-combos.htm

37.5 ohms, then for 5% values the closest you can get with a series combination is within +/0.5 ohms (22+15=37, 22+16=38 ). Using a parallel combination of two 75 ohm …


RF Cafe Homepage

https://www.rfcafe.com/

RF Cascade Workbook is the next phase in the evolution of RF Cafe's long-running series, RF Cascade Workbook. Chances are you have never used a spreadsheet quite like this ( click here for screen capture ). It is a full-featured RF system …


Resistivity (Conductivity) of Metals and Alloys - RF Cafe

https://www.rfcafe.com/references/electrical/resistivity.htm

Jul 13, 2018


Fixed Pi & T Attenuators - Equations - RF Cafe

http://www.rfcafe.com/references/electrical/attenuators.htm

Resistor values for both the "T" and ""Pi" attenuators were determined using the attenuator calculator on RF Cafe (which uses these equations). Please Support RF Cafe by purchasing my ridiculously low−priced products, all of which I …


Navy Electricity and Electronics Training Series …

https://www.rfcafe.com/references/electrical/NEETS-Modules/NEETS-Module-01-1-41-1-50.htm

the actual value the resistor may fall somewhere within 10 percent above and 10 percent below the value indicated by the color code. This resistor has an indicated value 27,000 ohms. Its tolerance is 10 percent x 27,000 ohms, or …


Resistor-Selection Nomogram, April 1967 Electronics World - RF …

http://blog.rfcafe.com/references/electronics-world/resistor-selection-nomogram-apr-1967-electronics-world.htm

Total current of the tube - rated at 60 mA. Grid bias is -18 volts. Determine the value, in ohms, and wattage of the resistor. Solution: Extend a straight line from 18 on the Potential Scale to 60 on …


Fixed Pi and T Attenuator Calculator - RF Cafe

https://www.rfcafe.com/references/calculators/attenuator-calculator.htm

If unequal termination resistances are used and an attenuation value is selected that is lower than what is physically possible (a negative resistor value is displayed), then a message will appear …


Resistor Values: How to Calculate and Understand It

https://www.wellpcb.com/resistor-values.html

Here’s the BS1852 Code for Resistor Values: 1MΩ = 1MO 470KΩ = 0M47 or 470K 47KΩ = 47K 4.7KΩ = 4K7 1.0KΩ = 1K0 0.47Ω = 0R47 or R47 1.0Ω = 1R0 47Ω = 47R 470Ω = 0K47 or 470R It’s vital to note that some manufacturers may put …


RF Cafe Homepage

http://forum.rfcafe.com/

is even more compact but still covers bands from 698-2690 MHz (also falls back to 3G/2G). It measures only 30.0 x 7.0 x 1.6 (mm) and requires a small clearance area (don't be fooled by …


The Ins and Outs of Resistor Pads, July 1959 Electronics World

http://www.rfcafe.com/references/electronics-world/resistor-pads-electronics-world-july-1959.htm

more precise values are 39.0 ω and 52.7 ω, respectively, so i am not sure why the author chose to use a 33 ω resistor rather than the 39 ω (or even 36 ω) standard value. 51 ω is …


RMS Value - RF Cafe Forums

http://forum.rfcafe.com/forums/circuits-components/RMS-Value.htm

RF Cafe Forums closed its virtual doors in 2010 mainly due to other social media platforms dominating public commenting venues. RF Cafe Forums began sometime around …


High Frequency/RF Resistors – Mouser

https://www.mouser.com/c/passive-components/resistors/high-frequency-rf-resistors/

Mouser Part #. 581-FT10517N0050JBK. Previous purchase. ATC / KYOCERA AVX. High Frequency/RF Resistors 50 Ohm 5% 60W 0Hz - 4GHz. Datasheet. 390 In Stock. 1: $11.00.


Resistor and Capacitor Color Code Charts, March 1955 Popular ...

http://forum.rfcafe.com/references/popular-electronics/resistor-capacitor-color-code-chart-3-1955-popular-electronics.htm

Related Pages on RF Cafe - Resistors & Resistance Calculations - Resistor and Capacitor Color Code Charts - Resistor Markings - Mil-55342 Markings ... The ohmic value of a resistor can be …


parallel feed back resistor - RF Cafe Forums

http://forum.rfcafe.com/forums/circuits-components/parallel-feed-back-resistor.htm

RF Cafe Forums began sometime around August of 2003 and was quite well-attended for many years. By 2010, Facebook and Twitter were overwhelmingly dominating …


Feedback resistor rating - RF Cafe Forums

http://forum.rfcafe.com/forums/circuits-components/Feedback-resistor-rating.htm

Parallel feedback resistor is connected from drain to gate using a dc block capacitor. So the conclusion is that, resistor rating should be calculated based on drain voltage …


Resistor Values | Resistor Standards and Codes | Resistor Guide

https://eepower.com/resistor-guide/resistor-standards-and-codes/resistor-values/

The series looks as follows: 1– 1.2 – 1.5 – 1.8 – 2.2 – 2.7 – 3.3 – 3.9 – 4.7 – 5.6 – 6.8 – 8.2 – 10 etc. All of these values can be powers of ten (1.2 – 12 – 120, etc.). While the E12 series is the …


RF Attenuator T or Pi Values in 5% Resistors

https://demonstrations.wolfram.com/RFAttenuatorTOrPiValuesIn5Resistors/

RF Attenuator T or Pi Values in 5% Resistors. . . 150. 18. Copying... This Demonstration shows an RF resistor attenuator calculation to the nearest 5% resistor.


The Resistor Cube Equivalent Resistance Conundrum - RF Cafe

http://blog.rfcafe.com/miscellany/factoids/resistor-cube-equivalent-resistance-kirts-cogitations-256.htm

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas …


Resistors: Types And Applications | Nuts & Volts Magazine

https://www.nutsvolts.com/magazine/article/resistors_types_and_applications

In a film resistor, the resistive material is a very thin coating of carbon or metal on an insulating substrate, such as ceramic or glass. The value of the resistance is determined by the thickness …


Resistor Trial by Test, February 1954 Radio & Television News - RF …

http://blog.rfcafe.com/references/radio-news/resistor-trial-test-radio-television-news-february-1954.htm

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and …


Resistor value for RF | Forum for Electronics

https://www.edaboard.com/threads/resistor-value-for-rf.234113/

Hi Everyone! can i use general 10k 0603 ,10k resistor for directional coupler whose frequency is 433 MHz circuit is shown in figure Thanks


How to Calculate the Rf Value.

https://www.learntocalculate.com/calculate-rf-values/

Formula to Calculate the Rf Value. The Rf value of a compound is equal to the distance traveled by the compound divided by the distance traveled by the solvent front. Example 1: A solvent …


Resistor Color Code Calculator • Electrical, RF and Electronics ...

https://www.translatorscafe.com/unit-converter/uz-Latn-UZ/calculator/resistor-color-code/?r=0.56&ru=ohm&p=7

This resistor color code calculator converts a resistor value to resistor color code and supports 3, 4, and 5-band resistors. If you are getting into ... Unit Converter. Convert units of measurement …


Resistor Color Code Calculator • Electrical, RF and Electronics ...

https://www.translatorscafe.com/unit-converter/en-US/calculator/resistor-color-code/?r=430&ru=kiloohm&p=2

For a 1 kilohm resistor, this means that any resistor with a value in the range of 800 ohms to 1200 ohms is acceptable. For some critical components, the tolerance can be specified as ±1% or …


RF Pad calculator | Formula for RF Pad Calculator - RF Wireless …

https://www.rfwireless-world.com/calculators/rf-pad-calculator.html

EXAMPLE of RF Pad calculator (PI-Type): INPUTS: Impedance = 50 , Attenuation = 3dB OUTPUTS: R1=R2= 16.6 (take standard 18 value), R3 = 66.9 (take standard 66.5 value ) RF Pad calculator …


Value of RF (feedback resistor formula) | Electronics Forums

https://maker.pro/forums/threads/value-of-rf-feedback-resistor-formula.265058/

1. Nov 10, 2013. #1. I need help as I have the answer but I don't know the formula. its an 741, with vi 1Vpp, input resistor is 10k, Value of output signal 10Vpp. I have to work out …


How to Calculate the Resistance Value of Resistors in Parallel？

https://www.easybom.com/blog/a/how-to-calculate-the-resistance-value-of-resistors-in-parallel

IT = IR1 + IR2. Then using Ohm's law, the current flowing through each resistor of Example No2 above can be calculated as: The current flowing in resistor R1 is: IR1 = VS ÷R1 = …


What kind of SMD resistors to use in RF circuits? - Page 1 - EEVblog

https://www.eevblog.com/forum/beginners/what-kind-of-smd-resistors-to-use-in-rf-circuits/

Parallel and series resistors add extra pads and width or length, and therefore exacerbate the mismatch problem. To some extent, impedance can be controlled by dropping …


Looking for resistor value and capacitor value for passive low …

https://maker.pro/forums/threads/looking-for-resistor-value-and-capacitor-value-for-passive-low-pass-filter-remove-rf.259375/

Looking for resistor value and capacitor value for low pass filter to remove RF. The application is removing undesired untuned RF from the crystal set before it reaches the …


Fender vs Marshall NFB resistor values + cap values

https://www.tdpri.com/threads/fender-vs-marshall-nfb-resistor-values-cap-values.768542/

With a tyipcal low pass filter, the lower the value of the cap the higher the frequency it passes. So a 250p cap only deals with very high frequencies while a .1 uf cap deals …


Rf splitter loss calculator - loai.neu-kleinanzeigen.de

https://loai.neu-kleinanzeigen.de/rf-splitter-loss-calculator.html

Pad Attenuator (Pi & Tee) Calculator - Obtain the resistor values of a Pi and Tee attenuator based on impedance and attenuation inputs. Other Items... Back to Top ... In no event will Qorvo be …


Rf splitter loss calculator - cjyq.kopfklopfen.de

https://cjyq.kopfklopfen.de/rf-splitter-loss-calculator.html

Specification: Item Type: RF Power Splitter Frequency Range500~6000 MHz Insertion Loss 1.0dBExcluding theoretical loss 3.0 dB Input Port VSWR1.41500-650M&1.21650-6000M Output …

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