Discuss the operation of transferring signals from the broadcasting
station to Receiving station.
The operation of transferring signals from a broadcasting station to a receiving station
involves various stages to ensure successful signal transmission. Here is an overview of
how this process typically occurs:
Transmitter at Broadcasting Station: The broadcasting station utilizes a
transmitter that generates radio waves necessary for transmission. This
transmitter includes components like a microphone to convert soundwaves into
electrical waves.
Signal Modulation and Encoding: Before broadcasting, information is encoded
onto a radio wave through modulation. This encoded information is then
transmitted on a specific frequency for broadcasting.
Antenna Transmission: The modulated carrier wave is transmitted into space
through an antenna, which radiates the signal over a wide area for reception by
devices tuned to the specific frequency.
Reception at Receiving Station: The receiving station, equipped with its
antenna, captures the transmitted signal. The antenna at the receiving station
picks up the radio waves for further processing for broadcasting television, radio,
or data.
Signal Utilization: Upon arrival at the receiving station, the encoded information
is decoded and processed for its intended use, whether it is for broadcasting
radio programs, television shows, or data transmission.
Satellite Communication: Satellites play a crucial role in transmitting and
receiving signals over long distances when terrestrial communication systems
are not feasible, providing services that shore stations cannot reach.
Discuss the activity and procedure in assembling and performing
measurement (multimeter & oscilloscope) in your CNC/CMC 707
receiver.
Assembling the CNC/CMC 707 Receiver
We start by assembling the base frame, securing all bolts and nuts tightly.
We place the major components (spindle, motors, control unit) in their designated
positions on the base.
We connect the electrical wiring according to the wiring diagram provided by the
manufacturer.
We ensure that all mechanical connections, such as belts, gears, and pulleys, are
properly aligned and secured.
perform an initial calibration of the receiver to ensure that all components are
functioning correctly.
We install and configure the CNC/CMC control software on the computer that will be
used to operate the machine.
We calibrate the X, Y, and Z axes to ensure precise movement and positioning.
We secure the material to be measured or machined on the worktable using clamps or
fixtures.
We select the appropriate measuring tools, which in this case are a multimeter and an
oscilloscope.
We set the multimeter to the appropriate voltage range.
We place the probes on the points where I need to measure the voltage.
We read and record the voltage displayed on the multimeter.
We set the multimeter to the appropriate current range.
We connect the multimeter in series with the circuit to measure current.
We read and record the current displayed on the multimeter.
We connect the oscilloscope probes to the points in the circuit where I need to measure
signals.
We ensure the oscilloscope is properly grounded.
We turn on the oscilloscope and adjust the time base and voltage scale to get a clear
signal display.
We observe the waveform displayed on the screen.
We measure and record the signal parameters, such as amplitude, frequency, and any
distortions or anomalies.
We review the collected measurement data for accuracy and consistency.
If any measurements are off, we make the necessary adjustments to the setup or
program.
We perform additional measurement cycles to confirm everything is within the desired
tolerances.
We record all measurement data in a log or database for future reference.
We clean the machine and workspace, ensuring all tools and components are stored
properly.
By following these steps, we ensure accurate and reliable measurements using a
multimeter and oscilloscope on the CNC/CMC 707 receiver.
