The shape of the time base signal of a CRO is generally a ______.

The signal generated by the time-base circuitry of the CRO is basically a saw-tooth waveform.

Cathode-Ray Oscilloscope (CRO):

CRO is a very fast X-Y plotter that shows the input signal versus another signal or versus time.

Applications:

The CROs are used to analyze the waveforms, transient, phenomena, and other time-varying quantities from a very low-frequency range to the radio frequencies.

Time Base Generator:

• It generates an output voltage or current waveform, which varies linearly with time.
• The signal generated by the time-base circuitry of the CRO is basically a saw-tooth waveform.
• The horizontal velocity of a time base generator must be constant.
• The displayed signal should be varied with time.
• It makes the signal sweep the beam horizontally across the screen.
• Then the displayed signal varies linearly with time.
• Hence the voltage is called Sweep Voltage.
• The Time Base Generators are called Sweep Circuits.

The time base signal in CRO is a Sawtooth signal.

Applications:

Time Base Generators are used in

• Cathode-Ray Oscilloscope.
• Televisions
• RADAR displays
• Precise time measurement systems
• Time modulation, etc.

Important points:

• In CRO, the time base signal is applied to X-plates in the X-Y mode operation only.
• In y-t mode operation, the Time-base signal is not connected.