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NETWORK DESIGN OF AMPLIFIERS FOR DIVIDED
FOURCHANNEL DIVIDEDBAND STRUCTURE
RIPPLE FACTOR OF LOGARITHMIC SYSTEM
all-pass Amplifier System Band of Frequencies Butterworth filters Butterworth function calculations constant-resistance crossover frequencies equally Crossover Frequencies One-Half Crossover Frequencies Separated Curves are symmetric cutoff frequency divided-band amplifier divided-band structure Eight-Amplifier System Equally Spaced Crossover Equation even-order farads fifth-order First-Order Butterworth Network frequencies equally spaced Frequencies on Linear Frequencies One-Half Octave Frequencies Two Octaves Frequency for Eight-Amplifier Frequency for Eight-AmplifierSystem frequency response Function of Frequency GAIN CHARACTERISTICS gains alternate Gains Equal Gains for Eight-Amplifier given in Figure high-pass filter illustrated in Figure input and output Linear Scale logarithmic scale LOGARITHMIC SYSTEM Low-Pass Ladder Network Magnitude of Tt Negative Gain Network N ORDER BUTTERWORTH orders of Butterworth output impedances phase difference Phase of Q(jw phase Q(ja Positive Gain s=JW Second-Order Butterworth Network Separate Transfer Functions Sequence of Gains Sign Sequence Spaced Crossover Frequencies System with Crossover System with Equally unit circle Voltage-Source Input worth Networks