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Telephone Transmitters and Receivers
Telephone Transmitters and Receivers




   Fig 1: Function of the telephone transmitter
Telephone Transmitters and Receivers




 Fig 2: The patterns of cardioid and omni-directional
 microphones in relation to the direction in degrees
Telephone Transmitters and Receivers




    Fig 3: Carbon            Fig 4: Digital
telephone transmitter   telephone transmitter
Telephone Transmitters and Receivers




   Fig 5: Carbon transmitter varying DC output
Telephone Transmitters and Receivers




  Fig 6: DC component removed by a transformer
Telephone Transmitters and Receivers




   Fig 7: DC component removed by a capacitor
192 Topic 3
192 Topic 3
192 Topic 3
192 Topic 3
192 Topic 3
192 Topic 3

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192 Topic 3