| 摘要 |
A low pass filter using two pseudo gyrators 10 and 20 is disclosed. The gate-source capacitances of field effect transistors forming the pseudo gyrator circuit can be considered to be included in capacitors for forming the low pass filter. Therefore, an ideal admittance matrix for a gyrator is obtained. Increase in integration density of the low pass filter can be achieved since the low pass filter is formed by a simplified pseudo gyrator circuit.
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