Abstract
Nodal admittance matrix (NAM) expansion is used to generate a family of grounded passive component Kerwin Huelsman Newcomb (KHN) circuits. The generated KHN circuits have independent control on the selectivity factor and the radian frequency as in the original KHN, besides they have independent control on the gain, which is not achievable in the original KHN circuit. The NAM expansion is based on using nullor elements and voltage mirror and current mirror as well. Two types of the KHN circuit are considered, each includes four classes. For each class it is found that there are 32 different KHN circuit; therefore, there is a total of 128 circuits that belong to type-A KHN and a similar number for type-B KHN circuits. Simulation results are included to support the generation method. Copyright © 2010 John Wiley & Sons, Ltd.
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