Lrc online calculator

Lrc online calculator. Multiple input numbers (even greater than 2) are supported by applying bitwise operations successively on the intermediate results. Phone Number. net's sole focus is to provide fast, comprehensive, convenient, free online calculators in a plethora of areas. 1E-6") works; engineering units ("1. With our easy-to-use interface, you can May 14, 2023 · Calculate the characteristic frequency and Q-factor of an RLC Circuit using the online RLC Circuit Calculator. The program has additional plugins to calculate another manner of coils. Additional Chief Secretary, Department of Revenue & Land Reforms, Govt. With the RLC circuit calculator, you can solve any RLC series circuit given its resistance (R), inductance (L), and capacitance (C). 05 to determine how individuals might differ in their effective CS for a given spectral power distribution. Welcome to LRC Coil’s coil sizing calculator! Our state-of-the-art tool is designed to help you quickly and easily determine the best size for your coil needs. The specific algorithm of BCC is: After each byte of data is XORed sequentially, the check code is finally obtained. RC Filters. CRC-8 CRC-16 CRC-32 CRC-64 Back to all algos Select ALGO from list Resonant Frequency Calculator. Previous Tool: Adler32 checksum calculator. Ohm's law applies to the entire circuit. Annually (APY) Semi-annually Quarterly Monthly (APR) Semi-monthly Biweekly Weekly Daily Continuously. Note that the units are simply ratios, so their actual units do not matter (as long as the same units are used for all steps). x y x 3 x 2 e x 10 x. To review, open the file in an editor that reveals hidden Unicode characters. Delete Entries. You can select the starting subtitle counter for each of the sequentially generated subtitles. Inductance L. Length; i++) { LRC ^= bytes[i]; } return LRC; } And Wikipedia is simply wrong in this case, both in the code (doesn't compile) and in the expected result. Oct 14, 2023 · This is a simple calculator with memory functions similar to a small handheld calculator. High Speed Op Amps (Bandwidth ≥ 50MHz) High Voltage Op Amps ≥12V. Z = rejθ. XC = 1/(ωC) X C = 1 / ( ω C) in Ω Ω , the reactance of capacitor with capacitance C C . You can click the buttons or type to perform calculations as you would on a physical calculator. Email Address. It accepts ASCII or Hex to produce a checksum. Song title Artist Album. power calculator for Parallel RLC. the modulus of Z as. It works the same way as the 5-key time value of money calculators, such as BA II Plus or HP 12CP Online Rate Calculator. Here's the alternative LRC (a simple xor of bytes) public static byte calculateLRC(byte[] bytes) { byte LRC = 0; for (int i = 0; i < bytes. Mar 11, 2024 · RLC Series Circuit Calculator Online. All of our tools covering finance, education, health, cooking, and more are free to use! Our easy to use calculators deliver fast, reliable results on any device. A beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more. The resulting checksum is 210. All that is needed is to input the desired cutoff frequency, the passband, the impedance, and the ripple. This is a simple calculator to compute the checksum field for the NMEA protocol. An electrical circuit consists of three major electric components of a resistor, an inductor and a capacitor connected in series or in parallel. Vin(s)→ RLC Band-pass Filter Tools [Sample calculation] Vin(s)→ f (x) Free second order differential equations calculator - solve ordinary second order differential equations step-by-step. The formula used by the RLC Resonant Frequency Calculator to determine the resonant frequency ( fr ) of an RLC circuit is as follows: See also 1/4 Wave Resonator Calculator Online. Output: The Fourier expansion calculator calculates: Fourier series of the function given. Mar 25, 2018 · Online calculator for bitwise XOR operation on text in ASCII or numbers in Binary, Octal, Decimal, & Hex formats. 2. The ω is the angular frequency, ie the product of 2 ⋅ π ⋅ f (frequency). Use for work, school or personal calculations. The capacitor is charged initially; the voltage of this charged capacitor causes a current to flow in the inductor to discharge the capacitor. This LC filter calculator will be handy when designing either a low-pass or a high-pass filter: Enter the inductance of the inductor in your desired unit. Ctrl + Alt + H. carries will be discarded. The age of a person can be counted differently in different cultures. To calculate the capacitive reactance, follow these steps: Write down the capacitance of the capacitor C and the AC frequency. Input the lower and upper limits. C C — The circuit capacitance. Calculating Inductance and Capacitance of a Bandpass Filter. In this method, data which the user want to send is organised into tables of rows and columns. Low Input Bias Current Op Amps (≤100 pA) Low Noise Op Amps (≤ 10nV/√Hz) Low Power Op Amps (≤ 1mA/amp) Precision Op Amps (Vos ≤1mV & TCVos ≤2uV/C) Rail-to-Rail Op Amps. See total work hours in hours and minutes hh:mm format as well as decimal hours. nginx Time Constant Calculator. This figure — which occurs in the equation describing the charging or discharging of a capacitor through a resistor — represents the time required for the voltage present across the capacitor to reach approximately Shri Dipak Kumar Singh, IAS . How to do repeating operations, higher powers and roots A calculator to calculate the equivalent impedance of a resistor, a capacitor and and inductor in parallel. Each of the following tabs represents the parameters to be calculated. The tool will instantly calculate the LC filter's cutoff frequency. Mar 15, 2024 · Using this LC filter calculator. Setting X L = X C and solving for the resonant frequency results in the following equation: f = 1 (2π√LC) f = 1 ( 2 π L C) Alternatively, if we have a target resonant frequency and know either the inductance or capacitance, we can solve for Oct 8, 2017 · CRC Calculator is an online tool to compute CRC checksum using all implementations of CRC-8, CRC-10, CRC-11, CRC-12, CRC-13, CRC-14, CRC-15, CRC-16, CRC-24, CRC-31, CRC-32, CRC-40 and CRC-64. It will confirm the deductions you include on your official statement of earnings. Calculator. The Age Calculator can determine the age or interval between two dates. Compound. Calculate CRC-8, CRC-16, CRC-32 checksums online. The one byte checksum of this array can be calculated by adding all values, than dividing it by 256 and keeping the remainder. \( \) \( \) \( \) Formulae for Parallel RLC Circuit Used in With the Bode Plot Generator that we put in your hands you can easily generate all the bode plots you need. After this, select the variable w. Initial CRC value. Start using lrc-calculator in your project by running `npm i lrc-calculator`. 123456789. AC Voltage Divider Calculator. The reliability of the calculations produced depends on the AC Kirchhoff's Equations Solver and Calculator. Please select any two of the items below to verify your membership and allow us to display your billing information. You can also explore how different components, such as resistors, capacitors, and inductors, affect the power factor. On a chip level specific to one company, in early 2017 LED maker Lumileds introduced a calculator to help luminaire developers examine different mixes of the company’s Luxeon LRC calculation. The data must be divided into transmission blocks, to which the additional check data is added. This tool allows loading the number URL, which calculate Numeral System data with XOR operator. *. () 1/x % n! XOR Calculator Online is a very unique tool to calculate two or more numbers. Calculator is now fully responsive with optimized views for smaller devices (tablets and phones). 7. Calculators to calculate the characteristics of a resonant series RLC circuit are presented. 5 0. 65 0. The example string is “ Lammert ” which converts to the ASCII values [ 76, 97, 109, 109, 101, 114, 116 ]. The calculator works across all brands of lighting, LRC said. BCC check code: 07. LRC to SRT converter is used to convert subtitles in the LRC lyric file format to SRT subtitles. You assume the risks associated with using this calculator. 2) Longitudinal Redundancy Check (L Sep 12, 2023 · Use this calculator to add up your work week time sheet and calculate work hours for payroll. Z = R + ZC + ZL Let. SCADACore's Checksum Calculator can be used to verify the checksum algorithm used by field devices. The formulas used in the computations of current and voltages in series RLC circuits are presented. Copy LaTeX. The RLC Series Circuit Calculator is a powerful tool used in electrical engineering for analyzing AC circuits. negating 1A0 = FE60. 0. Interest Rate. Click on the URL button, Enter URL and Submit. Sample : [ti:My Heart Will Go On] / [00:06. org. In the simple RC band stop, the resistors and capacitors are usually the same size. ft. 20 million+filed with us in 2023. Enter new numbers and see the remaining output value change. NMEA Checksum Calculator. Oct 9, 2020 · Longitudinal Redundancy Check (LRC) is also known as 2-D parity check. power calculator for series RLC. You can use the calculator in three simple steps: Input any two parameters for a resonant circuit. This online time clock uses a standard 12-hour work clock with am and pm or a 24-hour clock for military time. Click on 'Go to Next Step'. Formula to calculate the band stop filter. You can choose between these three options: . years months. Join us on the fascinating history of the calculator! Make math easy with our online calculator and conversion site. XL = ωL X L = ω L in Ω Ω , the reactance of inductor with inductance L L . You can use it to find the power factor angle, the reactive power, the real power, or the apparent power. LC Filter Design Tool is a web-based application for lumped LC filter synthesis. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more. com] the easiest way to make LRC files Help. Service Address. Copy MathML. 3. Jun 25, 2022 · Example with the RLC circuit calculator. L = inductance in H. Use the Payroll Deductions Online Calculator (PDOC) to calculate federal, provincial (except for Quebec), and territorial payroll deductions. sin cos tan DegRad. The band stop filter transfer function is based on the following formula in this case: A = 1 – ( ω R C) 2 1 + 4 ω R C – ( ω R C) 2. This calculator helps determine the correct values of the inductance (L) and capacitance (C) of an inductor and capacitor to be used in a Butterworth LC bandpass filter. Select your age accordingly. A new feature of the CS calculator enables users to change macular pigment density for 0. There are 3 other projects in the npm registry using lrc-calculator. You can also explore interactive activities and simulations related to various topics in mathematics and science. Give it a try now! RLC, RL, RC & LC Circuits Impedance Calculator getcalc. 4. Formula for the RLC series circuit. Damped and lossy RLC circuits with high resistance have a low Q factor and are wide-band, while circuits with low resistance have a high Q factor. • f is the resonant frequency. Latest version: 0. C is the capacitance of the capacitor and R is the ohmic resistance. Write down the inductance L in henries. CRC stands for cyclic redundancy check, and it is an error-detection code that is used to identify data corruption. Add them into an 8–bit field, so that. Calculation parameters: The conducting wire of circuit and material the inductor is made from, are both uniform and they have the same thickness everywhere; the source supplies AC current. This javascript featured website calculates the CRC value from an input string or an input byte string. Change Macular Pigment Optical Density: 0. Learning Resource Center opened its doors on April 20, 1998 to great acclaim both for its aesthetic appeal and for the excellent support it provides as Mesa's main resource for student learning. List of Contents RLC Resonant frequency Formula RLC Resonance is a special frequency at which the electrical circuit resonates. 7 in steps of 0. Step Response of an RLC Circuit. Here, V i n stands for the input voltage and V o u t for the output voltage. y √x 3 √x √x ln log. 1u", etc. Modbus. The total resistance of the RLC series circuit in the AC connection is called the apparent resistance or impedance Z. "Coil64" is a free coil inductor calculator, that allows calculating: single-layer and multilayer air core inductors, toroidal air core coil inductance, inductors on ferrite rings, in pot core, flat coils on the PCB, and also LC tank parameters. The calculator can also define the Q factor of the series RLC circuit — a parameter, which is used to characterize resonance circuits and not only electrical but mechanical resonators as well. Whether you’re looking for a simple and straightforward solution or a more complex and customized option, our calculator has you covered. You can use the calculator above to check this result. sin -1 cos -1 tan -1 π e. This basic calculator has decimal precision up to 10 digits and offers these functions: The following equation can be used to calculate the RLC circuit's resonant frequency. LRC Calculator - Longitudinal Redundancy Check. The resonant frequency here is defined as the frequency at which the amplitude of the impedance or the admittance of the circuit has a minimum. As you enter the specific factors of each power factor in a rlc circuit calculation, the Power Factor In A Rlc Circuit Calculator will automatically calculate the results and update the Physics formula elements with each element of the power factor in a rlc circuit calculation. Z = R + j( − XC + XL) We now use the exponential form of complex number to write. Use this calculator for basic calculations of common loan types such as mortgages, auto loans, student loans, or personal loans, or click the links for more detail on each. You only use the lower byte for the LRC which is 60. Z = R + 1 jωC + jωL. and rewrite Z as. Mar 12, 2024 · This speaker crossover calculator will help you design a set of amazing sounding speakers. 35 0. RLC resonant frequency calculator is used to calculate the resonant frequency of series/parallel circuits. 4 0. In the 2-way mode, the calculator uses the impedance of your Mar 9, 2024 · The power factor calculator helps you determine the power factor, the ratio of real power to apparent power, in an AC circuit. Apr 23, 2020 · The horticulture luminaire calculator provides an easy way for growers to make this determination. 0M 10M 100M 1. Calculate LC filters circuit values with low-pass, high-pass, band-pass, or band-stop response. This hash can be used to verify the integrity of the data during transmission. Two calculators are included. Current and Voltages Calculator for Series RLC circuits. Keywords. In order to detect an error, a redundant bit is added to the whole block and this block is transmitted to The calculator calculates the voltages, powers, currents, impedance and reactance in the series circuit of a resistor of a inductor and a capacitor. Several common CRC instance predefined and available from a list. switched to Block in 2023. In telecommunication, a longitudinal redundancy check (LRC), or horizontal redundancy check, is a form of redundancy check that is applied independently to each of a parallel group of bit streams. 55 0. 301 Moved Permanently. lowpass. Input both parameters in the resonant frequency formula: f = 1 / (2π × √ (L × C)). • C is the capacitance of the capacitor. Resonant Series RLC Circuit Calculator. High Output Current Op Amps ≥ 100mA. Step 1 Add all bytes in the message, excluding the starting colon and ending CRLF. JFET Input Op Amps. Scientific Calculator. Choose Song: Our LRC Maker is an Online Generator that helps you create LRC file with lyrics subtitles for your local music (0MB traffic) with no stress. 5 million+. Choose the independent variable used in the transfer function. The term usually applies to a single Oct 9, 2020 · Longitudinal Redundancy Check (LRC) is also known as 2-D parity check. This tool can help you: Solve any series RLC circuit problems easily; Calculate the resonant frequency of an RLC circuit and its bandwidth; Obtain the Q-factor of the RLC Jan 18, 2024 · To calculate the resonant frequency of a circuit composed of an inductor and a capacitor, follow these steps: Write down the capacitance C in farads. Provide the capacitance of the capacitor in a unit of your choice. com's RLC Circuit Equivalent Resistance (Z eq ) Calculator is an online electrical engineering tool to calculate resultant resistivity for resistor (R), inductor (L) & capacitor (C) connected in series or parallel. GeoGebra Scientific Calculator is a free online tool that lets you perform calculations with fractions, statistics and exponential functions, logarithms, trigonometry and much more. Add all bytes in the message, excluding the starting 'colon' and ending CRLF. Configure Global Settings. It auto detect the input number and calculate. Use our free tool to calculate with parallel or series circuit. Account Number. The calculated age will be displayed in years, months, weeks, days, hours, minutes, and seconds. ”. Furthermore, the definition of own CRC instances is supported by specifying: Width of CRC (8, 16 or 32 bit) Polynomial. Replace in the capacitive reactance equation: X = 1 / (2 × π × f × C) To use angular frequency instead ( ω = 2 × π × f ), use the following formula: X = 1 / (ω × C) Nov 14, 2018 · A colon is added to the start of the message, the LRC, carriage return and line feed are added to the end: : 1 1 0 3 0 0 6 B 0 0 0 3 7 E CR LF Each character is now treated modbus ascii lrc calculator online an Note character and replaced with it's hex value to give the final message. It is feature rich, user-friendly and available for free from any desktop or mobile device. V o V i = C 0 R 0 s + 1 C 0 L 0 s 2 + C 0 R 0 s + 1. Like most 4-function calculators it also includes keys for percent, square, square root and pi. If you are interested in other physics This basic online calculator is similar to a small handheld calculator and has the standard four functions for addition, subtraction, division and multiplication. Use this basic calculator online for math with addition, subtraction, division and multiplication. r t which you need to determine the Fourier series expansion. Floating point format ("1. 6 0. Pay Back. They're labeled in μF, μH, Ω and MHz for This finance calculator can be used to calculate the future value (FV), periodic payment (PMT), interest rate (I/Y), number of compounding periods (N), and PV (Present Value). Updated DIP specifications to contemporary weights and classes. 3 to 0. You must enter the capacitor's capacitance, an inductor's inductance, and a resistor's resistance in the input fields, then click the calculate button to obtain exact results with a full step-by-step explanation in seconds. To use the Bode Plot Calculator follow these steps: Enter the transfer function. Calculators: LC Resonance. Author Generating an LRC. of Bihar Description. It'll tell you what capacitors and inductors you need to create a passive crossover design for either two speakers (a 2-way passive crossover) or three speakers (a 3-way passive crossover). Feb 7, 2024 · Fixed some interface bugs. XL = ωL and XC = 1 ωC. The checksum is simple, just an XOR of all the bytes between the $ and the * (not including the delimiters themselves), and written in hexadecimal. These circuit has the ability to provide a resonant frequency signal as shown in the below image: Formula for the resonant frequency of the RLC circuit: Below is the formula to calculate the resonant frequency of a RLC circuit: f = 1 / [2π * √ This is an RLC circuit, which is an oscillating circuit consisting of a resistor, capacitor, and inductor connected in series. Choose the financial year for which you want your taxes to be calculated. Damped and lossy RLC circuits with low resistance have a low Q factor and are wide-band, while circuits with high resistance have a high Q factor. Select Chebyshev, Elliptic, Butterworth or Bessel filter type, with filter LRC. Jan 12, 2005 · Now to send the same message as ASCII you would calculate the checksum by adding up the bytes and negating the answer: F7+03+13+89+00+0A=1A0. Ctrl + Alt + Shift + S. Once the capacitor is discharged, the inductor resists any change in the Feb 29, 2024 · Convert LRC to USD, Euro, GBP online. 2. 3 0. The Q factor here is defined as 2π The calculator also defines the Q factor of the RLC circuit, a parameter, which is used to characterize resonance circuits and not only electrical but mechanical resonators as well. This calculator is based on the most common age system. Step 2 Subtract the final field value from FF hex (all 1's), to produce the ones-complement. Convert ( Submit) Design active filters with real op amps in minutes. Loan Amount. Fixed a Print (PDF Generation) bug where if any calculation input parameter was left blank, a window explaining why print failed and how to correct now appears. 45 0. Large, easy and convenient online calculator. Quote from page 38 of "MODBUS over serial line specification and implementation guide V1. It helps in determining various parameters such as impedance, current, voltage across components, resonant frequency, and Q-factor in RLC (resistor-inductor-capacitor) series circuits. Computer Networks: Longitudinal Redundancy Check in Computer NetworksTopics Discussed:1) Types of error detection methods. 47]Every night in my dreams. Parallel Impedances Calculator. ) do not. We have a collection of over 100,000 books, over 60,000 e-books, and access to more than one hundred online academic databases With our free RLC Calculator, you can quickly find the resonance frequency of RLC circuit. This is an online javascript scientific calculator. Tag time Line-by-Line. This resonant frequency calculator employs the capacitance (C) and inductance (L) values of an LC circuit (also known as a resonant circuit, tank circuit, or tuned circuit) to determine its resonant frequency (f). #2. f = resonant frequency in Hz. The RLC circuit is also called as series resonance circuit, oscillating circuit or a tuned circuit. com Thursday February 29, 2024 CoinWelly › Calculator. The calculator includes functions for square root, percentage, pi, exponents, powers and rounding. This calculator computes the resonant frequency and corresponding Q factor of an RLC circuit with series or parallel topologies. Whether you're a student, a professional, or XC = capacitor reactance. Ctrl + Alt + Enter. Open this Help. Jun 3, 2011 · I want to calculate LRC for the following message: T = 0101 0100 P = 0101 0000 1 = 0011 0001 2 = 0011 0010 Starting with 0x00 as the initial byte. Our 107,000 sq. R is the ohmic resistance and C is the capacitance of the capacitors. Users can also convert Number File to calculate XOR by uploading the file. Online CRC Calculator. With a user-friendly interface and a range of functions, our calculator can handle all types of calculations, from basic arithmetic to complex mathematical equations. The value of RLC frequency is determined by the inductance and capacitance of the We first give the formulas used in the series RLC calculator. C = capacitance in F. First, write your function in the drop down list. If you miss 1 line, click one of the previous lines to go back some seconds. Answer questions to learn about your tax situation & refund estimate. highpass This page is the index of web calculator that design and analysis analog filters. 1. For this to work you'll need to be using a browser that supports JavaScript and DHTML (most Please note that the formula for each calculation along with detailed calculations are available below. • L is the inductance of the inductor. Currently, we have around 200 calculators to help you "do the math" quickly in areas such as finance, fitness, health, math, and others, and we are still developing more. Step 3 Add 1 to produce the two's-complement. * Total number of new customers using assisted or DIY tax solutions regardless of other prior tax preparer or method. This tool compares your 2022 usage/rates to 2023 rates (with 2022 usage). Input. Commands for the online calculator you can enter not only the mouse, but with a digital Oct 14, 2017 · 1 Comments. Add them into an eight-bit field, so that carries will be discarded. The calculator calculates the voltages, powers, currents, impedance and reactance in the series circuit of a resistor of a inductor and a capacitor. Impedance Calculator. Calculate total work hours with lunch and breaks. Consistent Overhead Byte Stuffing (COBS) Encoder/Decoder. You can provide the expected hash and compare the calculated CRC checksum Jul 19, 2011 · This Demonstration shows a phasor diagram in an AC series RLC circuit The circuit consists of a resistor with resistance an inductor with inductance and a capacitor with capacitance The current in an RLC series circuit is determined by the differential equationwhere and is the AC emf driving the circuit The angular frequency is related to the Explore math with our beautiful, free online graphing calculator. java This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. Loopring (LRC) Calculator to USD, EUR Apr 17, 2003 · Apr 17, 2003. Following are the steps to use the tax calculator: 1. Click ‘calculate’. This tool calculates the product of resistance and capacitance values, known as the RC time constant. It also calculates series and parallel damping factor. XOR calculation: 42 xor 43 xor 43 xor 58 xor 4F xor 52 = 07. 0G 10G −35 −30 −25 −20 −15 −10 −5 0 frequency (Hz) amplitude (dB) Free Online Circuit Solving Tool. AC Currents and Voltages Solver and Calculator. Tax liability in India differs based on the age groups. Calculate your CRC with our Online CRC Calculator. 1. You can make not only simple math calculations and calculation of interest on the loan and bank lending rates, the calculation of the cost of works and utilities. The Impedance Calculator will calculate the: The impedance of a RLC circuit when resistance, capacitance and inductance are given. 0 XOR ‘T’: 0000 0000 0101 0100 Result, Select a filter type to begin your design. For example: BCCXOR. If we take the inductance L = 1 H and the capacitance C = 2 pF as an example, the resulting frequency is f Our Full Screen Online Calculator is an essential tool for anyone who needs to perform mathematical calculations quickly and easily. In this system, age increases on a person's The formula for calculating an RC low pass filter is: V o u t V i n = 1 1 + ( ω C R) 2. 0k 10k 100k 1. 1, last published: 3 years ago. The easiest way to create LRC files for media players, for mobile and desktop [LRC:generator. CoinWelly. Feb 14, 2024 · Formula of RLC Resonant Frequency Calculator. Calculate RLC series circuit. Hexadecimal: 42 43 43 58 4F 52. Loan Term. f = 1 / [2π * √ (L * C)] where. Easily estimate your tax refund with H&R Block's free tax calculator for 2023-2024. In order to detect an error, a redundant bit is added to the whole block and this block is transmitted to receiver. The calculator gives the impedance as a complex numbers in standard form , its modulus and argument which may be used to write the impedance in exponential and polar forms. The new message with the checksum is now: F7 03 13 89 00 0A 60. A block of bit is divided into table or matrix of rows and columns. Calculator 1 may be used to calculate the resonanant, cutoff frequencies and the quality factor given the resistance R R, the capacitance C C and the inductance L L included in the series RLC circuit as shown above. 7. Choose the type of bode plot you want to draw. 3 days ago · How to calculate capacitive reactance. RLC circuit frequency calculator is an online tool for electrical and electronic circuits to measure the resonant frequency, series damping factor, parallel damping factor and bandwidth. Final XOR value. f_r = 1 / (2 * pi * sqrt (L * C)) Where: fr is the resonant frequency in Hertz (Hz). "A procedure for generating an LRC is: 1. Apply the rule of impedances of a series ciruits to find the equivalent impedance Z as follows. 0" at www. vb vw he ql ph mk ik cd up fj