SPICE MODEL of 228-488 in SPICE PARK. English Version is http://www.spicepark.net. Japanese Version is http://www.spicepark.com by Bee Technologies.

1. Device Modeling Report
COMPONENTS: CHOKE COIL
PART NUMBER: 228-488
MANUFACTURER:
WURTH ELEKTRONIK GmbH & CO.KG
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 228_488
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
100 706.212 m 699.863 m 0.899
100K 201.464 192.367 4.515
1M 2.12997 k 2.1067 k 1.093
10M 2.45927 k 2.4703 k -0.449
Measurement Simulation % Error
F SRF (Hz) 3.388 M 3.3736 M 0.425
|Z| (ohm),
at F SRF 144.899 k 146.045 k -0.791
All Rights Reserved Copyright (c) Bee Technologies Inc. 2004