## An Introduction to the Theory and Design of Electric Wave Filters |

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### Contents

MATHEMATICAL INTRODUCTION Page | 1 |

ELECTRICAL INTRODUCTION | 20 |

INTRODUCTION TO THE LADDER NETWORK | 28 |

11 other sections not shown

### Common terms and phrases

A'min admittance attenuating-band attenuation coefficient band band-pass filter band-pass half-section band-stop BAND-STOP FILTER basic half-section bridge calculated capacitor circuit coaxial coaxial cable complex number components connected constant cosh cosh2 coth curve cut-off frequency derived image impedances determine dissipation dissipation factor earth equal equations exceed 30 db exp 2A expression factor filter network Filter of Fig give rise given high-pass filter hyperbolic functions image impedance image transfer coefficient inductor infinite insertion loss insertion-loss requirements internal impedance kc/s lattice network lattice-arms load loss low-pass filter low-pass network m-derived half-section measured mesh method mid-series mis-match nepers obtained ohms open-circuit outer conductor parallel pass-band pure reactances quantity radians ratio reactances reference filter resistance resonant screen series arm series-arms series-derived short-circuit impedances shown in Fig shunt arm Shunt-derived sinh tanh tanh2 template terminals transformer wave filter whole section write zero