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 telephone transmitter

Fig 4: Digital 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

Telephone Transmitters and Receivers

Fig 8: Capacitor microphone

Telephone Transmitters and Receivers

Fig 10: Dynamic or moving coil microphone

Telephone Transmitters and Receivers

Fig 11: Telephone receiver

TYPES OF PHONE RECEIVERS•Rocking Armature Receiver•Dynamic Receiver and the loud speaker

Telephone Transmitters and Receivers

Fig 12: Rocking armature receiver

Telephone Transmitters and Receivers

Fig 13: Dynamic or moving coil microphone

Telephone Transmitters and Receivers

Fig 14: Loudspeaker