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| Created | May 16, 2012 |
| Last modified | May 16, 2012 |
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Model of a humbucking guitar pickup.
Based on a model from: https://sites.google.com/site/distorque/home/articles/spice-humbucker-model
Model of a humbucking guitar pickup. It models pickup inductance, pickup DC resistance, pickup eddy current (modelled by a resistor), pickup capacitance, tone controls and volume controls (at 10), and cable capacitance.
Based on a model from: https://sites.google.com/site/distorque/home/articles/spice-humbucker-model
The value of Ccable1 seems very high for the short piece of cable connecting the pickup to the guitar tone and volume controls.
In practice, Cpickup1 and Ccable1 can be lumped together.
Ccable1 is in the wrong position to represent the external guitar to amplifier cable. This is represented by Cextcable1. The value is a guess.
The amplifier input impedance is represented by Rampin1.
A more realistic model would include some self resonant capacitance across Lpickup1 and Lpickup2 and possibly some coupling between them (which is not directly available in CL yet but could be implemented using a behavioural transformer model).
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The cable capacitance in my spice model actually does represent the cable from the guitar to the amp. I used fixed resistors instead of pots for the volume and tone controls, so I just put the external cable capacitance in parallel with them. Since your model uses pots, I'd suggest getting rid of the Ccable1 capacitance and increasing your Cextcable1 capacitance to 500p-1n. |
September 23, 2012 |
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Welcome to CL and thanks for your clarification. :) |
September 24, 2012 |
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