Morse Telegraph System

Morse Telegraph System Points : Morse Telegraph System The Morse telegraph system is a simple electric circuit consisting of the following components:
i. A battery: which acts as a source of electrical energy in the circuit.
ii. Morse key: It is a manual key and acts as a switch to open and close the circuit. Thus causing pulses of current to flow on the line. When the operator starts opening and closing of the key, the transmission of information and encoding starts at the same time.
iii. Transmission lines Acts a medium for the transmission of information between the two stations. The dots and dashes flows on the line in the form of electrical energy and are carried instantly through the wires from the transmitter to the receiver.
iv. Receiver: The receiver used is called a sounder, because it produces click like sound. The receiver consists of an electromagnet and a movable armature. When a pulse of current passes through the electromagnet, it attracts the armature and a click is, produced. When the pulsed stops, the armature returns to its normal position with the help of a spring and again makes a click; The time between the clicks represents a dot or a dash.
These clicks are heard by an operator and are decoded into messages in the written form by him.
The Morse telegraph system is illustrated in the figure.