Signal Generators and Oscilloscopes Quiz

<p>Oscillators convert dc energy into ac energy at specific frequencies. (B)</p> Signup and view all the answers

<p>It should be controllable from very small to large values. (A)</p> Signup and view all the answers

<p>In designing, testing, troubleshooting, and repairing electronic devices. (B)</p> Signup and view all the answers

<p>The amplitude can be set to any arbitrary value. (A)</p> Signup and view all the answers

<p>DC energy is converted into ac energy. (B)</p> Signup and view all the answers

<p>To control vertical movement of the electron beam (C)</p> Signup and view all the answers

<p>It reverses the direction of the beam's deflection (D)</p> Signup and view all the answers

<p>The baseline or zero signal reference point (C)</p> Signup and view all the answers

<p>Amplifiers (C)</p> Signup and view all the answers

<p>To reverse the polarity of the signals applied to the deflection plates (C)</p> Signup and view all the answers

<p>The horizontal movement of the electron beam (A)</p> Signup and view all the answers

<p>Inverters can alter the direction of the deflection (B)</p> Signup and view all the answers

<p>Deflection due to applied voltage (C)</p> Signup and view all the answers

<p>It sets the time/division for the sweep across the screen. (D)</p> Signup and view all the answers

<p>The trigger pulse generated at the set trigger voltage level. (A)</p> Signup and view all the answers

<p>It determines which part of the waveform is being displayed. (C)</p> Signup and view all the answers

<p>The waveform is synchronized and stationary. (D)</p> Signup and view all the answers

<p>The specific point at which the oscilloscope begins a sweep. (B)</p> Signup and view all the answers

<p>To ensure the waveform is sampled consistently. (D)</p> Signup and view all the answers

<p>Trigger level adjustment. (A)</p> Signup and view all the answers

<p>The duration it takes for the beam to sweep across the screen. (A)</p> Signup and view all the answers

<p>To display a stable and accurate representation of the input waveform (A)</p> Signup and view all the answers

<p>Chop mode (A)</p> Signup and view all the answers

<p>It draws channel A, then channel B in sequence during separate sweeps (C)</p> Signup and view all the answers

<p>It cannot be used to represent low-frequency signals (C)</p> Signup and view all the answers

<p>Time of the electron beam drawing (A)</p> Signup and view all the answers

<p>100 kHz to 500 kHz (A)</p> Signup and view all the answers

<p>'A' and 'B' or '1' and '2' (B)</p> Signup and view all the answers

<p>Frequency (A)</p> Signup and view all the answers

<p>Display and analyze two waveforms alternately or overlaid. (A)</p> Signup and view all the answers

<p>To stabilize each waveform displayed on the screen. (C)</p> Signup and view all the answers

<p>One signal is displayed on the horizontal axis and the other on the vertical axis. (C)</p> Signup and view all the answers

<p>It features a sawtooth shape with a hold-off period. (B)</p> Signup and view all the answers

<p>It is displayed during a specific sweep cycle directed by the oscilloscope’s mechanism. (A)</p> Signup and view all the answers

<p>To compare signals for differential measurements and phase analysis. (B)</p> Signup and view all the answers

<p>The oscilloscope beam rapidly returns to the left side of the screen. (B)</p> Signup and view all the answers

<p>Time Division Duplex (C)</p> Signup and view all the answers

<p>1920 – 1980 MHz (C)</p> Signup and view all the answers

<p>3500 MHz (D)</p> Signup and view all the answers

<p>703 – 748 MHz (A)</p> Signup and view all the answers

<p>1805 – 1880 MHz (C)</p> Signup and view all the answers

<p>Same frequency used for uplink and downlink (C)</p> Signup and view all the answers

<p>880 – 915 MHz (C)</p> Signup and view all the answers

<p>Unifi Mobile (B)</p> Signup and view all the answers

<p>758 – 803 MHz (B)</p> Signup and view all the answers

<p>Band 7 (D)</p> Signup and view all the answers

<p>2110 – 2170 MHz (D)</p> Signup and view all the answers

<p>Band n78 (B), Band 40 (C)</p> Signup and view all the answers

<p>Band n78 (C)</p> Signup and view all the answers

An electronic device that generates electrical signals with specific amplitude, frequency, and wave shape.

A type of signal generator that produces a sinusoidal output signal.

A type of signal generator that produces various output waveforms, not just sinusoidal.

A key requirement for signal generators, ensuring the output signal's stability and known frequency.

A controllable parameter in signal generators, allowing adjustment of signal strength.

A signal generator's ability to produce clean and undistorted waveforms.

The process of converting DC power from a source into AC power at a specific frequency.

Signal generators are used in diverse applications including electronic design, testing, troubleshooting, and repair, as well as artistic uses.

The ability to control the electron beam in the oscilloscope to move it horizontally and vertically.

Electrodes in the oscilloscope that create an electric field to deflect the electron beam.

Circuitry that amplifies the input signals to control the electron beam's deflection.

A circuit that flips the signal polarity to reverse the direction the electron beam deflects.

The visual representation of the electron beam movement as deflected by the X and Y axis signals.

A central line on the oscilloscope screen that acts as a reference point for the signal displayed.

The measurement of the deflection of the electron beam due to an applied voltage.

The position of the electron beam when no signal is applied, usually represented by the center line.

The range of frequencies used by a signal generator.

The International Telecommunication Union (ITU) defines frequency bands for different communication technologies.

A specific range of frequencies allocated for 3G, 4G, and 5G wireless communication in Malaysia.

The direction from the phone to the tower.

The direction from the tower to the phone.

A technology where the same frequency is used for both uplink and downlink communication, but separated by time.

The frequency range used specifically for uplink communication.

The frequency range used specifically for downlink communication.

The 3G frequency band commonly used by major telcos in Malaysia, offering older mobile communication technology.

The 3G frequency band commonly used by major telcos for faster data speeds compared to 900 MHz.

The 4G frequency band used by major telcos, offering high speed data and improved coverage compared to 3G.

A 4G frequency band used by major telcos for high data speeds, often used in urban areas.

A higher frequency 4G band typically used for 4G data in urban areas.

A 5G frequency band, offering much faster speeds than previous generations, but limited coverage.

The voltage level at which the oscilloscope begins a sweep across the screen.

A pulse generated when the input signal reaches the trigger voltage, initiating the time-base ramp.

The signal that controls the horizontal sweep of the electron beam across the oscilloscope screen.

The ability to set how much time the electron beam takes to scan horizontally across the screen.

The process where the oscilloscope ensures that each cycle of the waveform starts at the same point on the screen, resulting in a stable and stationary waveform.

Setting the oscilloscope to trigger on either the rising or falling edge of the input signal.

The control that allows users to adjust the vertical position of the signal on the oscilloscope screen.

The process of selecting the desired portion of the waveform to be displayed on the oscilloscope screen.

A method used by dual-channel oscilloscopes to display two signals on the same screen by rapidly switching between the two channels' signals during a single sweep of the electron beam.

One way to display two signals on a dual-channel oscilloscope by sweeping the screen twice, drawing one waveform on the first sweep and the other on the second sweep.

The ability of a dual-channel oscilloscope to simultaneously observe and compare two different signals, such as the input and output of an amplifier.

An electronic switch that rapidly switches between two signals (A and B) in chop mode, allowing the oscilloscope to display both signals on the screen.

The alternating switching between two channels (A and B) that occurs at the beginning of each horizontal sweep in alternate mode, resulting in each sweep displaying a single waveform.

The rate at which the electronic switch in chop mode cycles between the two input signals, typically in the range of 100 kHz to 500 kHz.

The ability of the oscilloscope to display a stable and accurate representation of the input waveform through synchronization of time-base signals.

The device used to control the horizontal sweep rate (time base) of the electron beam in an oscilloscope.

A voltage waveform with a sawtooth shape that sweeps the electron beam horizontally across the oscilloscope screen.

The oscilloscope's ability to display two signals simultaneously, switching between them rapidly to create the illusion of both being visible at once.

A mode that ensures both channels of a two-channel oscilloscope display their signals starting from the same point, making it easier to compare waveforms.

A mode that displays two signals against each other on the oscilloscope screen, instead of against time, allowing visualization of phase differences or frequency relationships.

The signal displayed by Channel A only when the oscilloscope's electronic switch directs the beam to show Channel A.

This signal is displayed only when the oscilloscope's electronic switch directs the beam to show Channel B.

The rapid movement of the electron beam back to the starting position on the screen after completing a sweep.

The period during which the horizontal sweep voltage remains constant, allowing for the display of the signal on the screen.