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Device Modeling Report




  COMPONENTS : CHOKE COIL
  PART NUMBER : 8RHB
  VALUE : 82 uH
  CURRENT MAX : 0.91 A
  MANUFACTURER : TOKO




              Bee Technologies Inc.


All Rights Reserved Copyright (c) Bee Technologies Inc. 2004
Theory: Auto Balancing Bridge Method


Optimization of Simulation
Range of adjustment Frequency:100 to100M(Hz)
Frequency vs.|Z| and Frequency vs.θz Characteristic


Attention)
Please use SPICE MODEL within the range from 100 to 100M(Hz)




                     L1
                    C1
                    R1




              All Rights Reserved Copyright (c) Bee Technologies Inc. 2004
Equivalent circuit




                All Rights Reserved Copyright (c) Bee Technologies Inc. 2004
Frequency vs. |Z| Characteristic

Evaluation circuit


                            R3                  V1                 1

                            1k
                                                0Vdc




                                                                       U1
                    I1
           1Aac                                                        8RHB
           0Adc




                                            0




Simulation resuit




                                                                Simulation




              All Rights Reserved Copyright (c) Bee Technologies Inc. 2004
Comparison Table


                           |Z|(ohm) :               |Z|(ohm) :
  Frequency (Hz)                                                             % Error
                          Measurement               Simulation

        100                 180.103 m                178.547 m                0.864

        1K                   494.23 m                495.885 m               -0.335

       10K                    4.54234                  4.6528                -2.432

       100K                   44.7199                 46.5058                -3.994

       10M                   4.67209 k                4.7889 k               -2.500



                          Measurement               Simulation               % Error

     F SRF (Hz)               7.244 M                 7.144 M                 1.380
     |Z| (ohm),
       at F SRF              74.5934 k                74.978 k               -0.516




              All Rights Reserved Copyright (c) Bee Technologies Inc. 2004

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SPICE MODEL of 8RHB_82uH_0.91A in SPICE PARK

  • 1. Device Modeling Report COMPONENTS : CHOKE COIL PART NUMBER : 8RHB VALUE : 82 uH CURRENT MAX : 0.91 A MANUFACTURER : TOKO Bee Technologies Inc. All Rights Reserved Copyright (c) Bee Technologies Inc. 2004
  • 2. Theory: Auto Balancing Bridge Method Optimization of Simulation Range of adjustment Frequency:100 to100M(Hz) Frequency vs.|Z| and Frequency vs.θz Characteristic Attention) Please use SPICE MODEL within the range from 100 to 100M(Hz) L1 C1 R1 All Rights Reserved Copyright (c) Bee Technologies Inc. 2004
  • 3. Equivalent circuit All Rights Reserved Copyright (c) Bee Technologies Inc. 2004
  • 4. Frequency vs. |Z| Characteristic Evaluation circuit R3 V1 1 1k 0Vdc U1 I1 1Aac 8RHB 0Adc 0 Simulation resuit Simulation All Rights Reserved Copyright (c) Bee Technologies Inc. 2004
  • 5. Comparison Table |Z|(ohm) : |Z|(ohm) : Frequency (Hz) % Error Measurement Simulation 100 180.103 m 178.547 m 0.864 1K 494.23 m 495.885 m -0.335 10K 4.54234 4.6528 -2.432 100K 44.7199 46.5058 -3.994 10M 4.67209 k 4.7889 k -2.500 Measurement Simulation % Error F SRF (Hz) 7.244 M 7.144 M 1.380 |Z| (ohm), at F SRF 74.5934 k 74.978 k -0.516 All Rights Reserved Copyright (c) Bee Technologies Inc. 2004