Audio Amplifier Design |
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1-db loss 2.5 amperes 9 volts a-c voltage alternating current amperes amplifier circuit anode current anode resistance anode supply voltage anode voltage audio frequencies base biasing current base current capacitance capacitor cathode class-A collector circuit collector current COLLECTOR VOLTAGE coupling resistance curve cutoff frequency decibels DESIGN EXAMPLE Problem direct current driver emitter resistor equal filter frequency response full-wave rectifier Graph for determining grid bias grid resistance half-wave rectifier inductance input impedance input power input voltage load impedance load line maximum dissipation microphone monaural mutual conductance Nomograph for determining nomograph of Fig ohms operating point output voltage pentode phonograph pickup power amplifier preamplifier primary impedance Zp push-pull quency r-c coupled R₁ reactance Reff ripple screen-grid secondary impedance signal current signal voltage stage stereophonic supply voltage Ebb Table transfer characteristics transformation factor Transistor type triode tube manual voltage amplifier voltage drop volume control Z₁