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Found 2 results

  1. Hi Good day, I would like to start with creating two different magnetic based coils as Transmitting coil (TC) and Receiving coil (RC), to measure the Z impedance values changes with respect to the movement of TC around RC. Following are the configuration which I would like to proceed, Transmitting Coil: L 67 uH Q 22 Ccalc 24.19 nf - - F 125khz Receiving Coil: Coil Configuration L 728.73 uH Q 53.24 R 15kohm Ccalc 2.224nf F 125khz - - The Receiving Coil (RC) resonated at a frequency of 125kHz and diameter of 7cm. Transmitting coil (TC) dimension is 9 x 9 x 9 mm^3. Datasheet of RC as: https://www.rfsolutions.co.uk/downloads/1457021091DS-ANT-125K.pdf Initially, the RC and TC will be 3cm away from each other on z axis. The Impedance( |Z| ) value can be measured with respect to the movement of TC on x-axis/y-axis. -> The RC: loop antenna actual dimension, the copper wire diameter, number of turn, the diameter. (the details of the coil determine the inductance value) For RC: 0.236mm diameter (34 swg) Enamelled Cu wire. Diameter Antenna: 7cm internal , Number of turns: 67 turns Inductance: 700uH Quality Factor (Q): 17 For TC: Inductance: 67 uH Quality Factor (Q): 22 Capacitor: 24.19 nf Frequency (F) 125 kHz Number of turns: 52 Diameter: 8mm -> Matching circuit details. Matching circuit For RC : C = 2.3159nF (Formula:F=1/2π √LC) Matching circuit For TC : C= 24.19nF (Formula:F=1/2π √LC) kindly can you suggest me the step or user manual for me to start on to this project. Looking forward to hearing your comments on it, Regards
  2. Dear Expert Feko, Good day, Kindly help to check my design, I have created two coils named as TC and RC with my experiential configuration values, and I am trying to measure Z - Impedance values on RC with respect to TC movement. But It looks like the values are not changing. and even the values of Z impedance while measuring on RC looks different as compared to experimental results. Can you please help me to check my model, if I am measuring or doing any wrong step on FEKO. Looking forward to hearing from you, Regards helix.cfx
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