2a051t CDC Questions: Quiz!

The equipment that transmits the altitude of the airborne identification friend or foe/selective identification feature (IFF/SIF) is called an altitude digitizer. This device is responsible for converting the altitude information into a digital format that can be transmitted and understood by other systems. It plays a crucial role in accurately identifying and tracking aircraft in the airspace.

The correct answer is MEASURE. The MEASURE command in ATLAS performs the same function as the VERIFY command, but without the evaluation field. This means that it will check the specified condition or criteria without evaluating any specific field or value. The MEASURE command is useful for checking the validity or accuracy of certain aspects of data or processes without the need for a specific field evaluation.

Modulation refers to the process of varying one or more properties of a carrier signal, such as amplitude, frequency, or phase, in order to transmit information. This is done by superimposing the information signal onto the carrier signal, which allows for efficient transmission and reception of the signal. By varying these properties, the carrier signal carries the information and can be demodulated at the receiver to retrieve the original signal.

The RF synthesizer provides the reference frequency for the RF module microwave signal conditioner (MSC) and spectrum analyzer. This means that the RF synthesizer generates a stable and precise frequency that is used as a reference for the MSC and spectrum analyzer to perform their functions accurately.

In an embedded global positioning system, a Kalman filter is used to model errors in velocity and position. A Kalman filter is a mathematical algorithm that estimates the true state of a system based on noisy measurements. In the case of a GPS system, the Kalman filter is used to estimate the actual velocity and position of the receiver, taking into account errors and uncertainties in the measurements. By continuously updating and refining these estimates, the Kalman filter improves the accuracy and reliability of the GPS system.

The programmable output range of the variable DC power supply on the optical test bench is 0 to +18 VDC; 1.6 amp. This means that the power supply can provide a voltage output ranging from 0 to +18 volts, and a current output of 1.6 amps. This range allows for flexibility in powering different devices or components on the optical test bench, ensuring that the appropriate voltage and current levels can be supplied as needed.

The switching subsystem is responsible for providing general-purpose switching to set up the UUT IT (Unit Under Test Information Technology) and special purpose switching. This means that it allows for the configuration and control of different types of switches to connect various components and devices in the UUT. It enables the routing of signals and stimuli to the appropriate locations for testing and facilitates the communication between different subsystems within the GPIU (General Purpose Interface Unit).

The digital teletype data-rate capability of the Single Integrated Operational Plan Terminal is 75-bits per second (bps). This means that the terminal is capable of transmitting data at a rate of 75 bits per second.

The low-level photopic high-speed photomultiplier tube is the component of the computer automated display test set that is used to test the C-17's heads-up display line replaceable unit.

FM deviation refers to the variations in the amplitude of a radio frequency (RF) signal. In Frequency Modulation (FM), the amplitude of the carrier signal is varied in accordance with the amplitude of the modulating signal. This modulation technique allows for the encoding of information in the frequency domain. As the amplitude of the modulating signal changes, the amplitude of the RF signal also varies, resulting in FM deviation.

The correct answer is "Intake on the rear of the station, exhaust ports on top." This answer is correct because it describes the cooling system configuration of the RF DAAE station accurately. The intake being on the rear of the station allows for the intake of cool air, while the exhaust ports being on top allow for the hot air to be expelled efficiently. This configuration helps in maintaining proper cooling of the station and prevents overheating.

The serial interface is the IAIS CCA that provides biphase stimulus to the UUT and then evaluates the biphase response from the UUT.

The output power of the Type 1 terminal in AFSATCOM systems is 100 watts.

The correct answer is PS POWER ON/OFF. PS stands for Power Supply, and in this context, it refers to the power control circuit breaker that controls power to the AC and DC power equipment assemblies. This breaker is responsible for turning the power on or off to these equipment assemblies.

The correct answer is "Initiated". In GPITM BIT, the initiated mode operates independently of other station assets by using GPIU stimulus and measurement resources other than the CCA being tested. This means that the initiated mode can be initiated and run without relying on other components or resources within the station.

The C-17 automatic test equipment station has three general-purpose interface buses.

The Digital DAAE is arranged into FTG's according to the LRU's that are tested. This means that the Functional Test Groups are organized based on the specific Line Replaceable Units (LRU's) that are being tested. This allows for efficient testing and troubleshooting of the LRUs, as they are grouped together based on their functionality and testing requirements.

The VOR/ILS system is comprised of four aircraft components. The VOR (VHF Omnidirectional Range) provides navigation information by transmitting signals in all directions. The ILS (Instrument Landing System) helps aircraft to land safely by providing precision guidance during approach and landing. Together, these two components form the VOR/ILS system, which is crucial for accurate navigation and landing in aviation.

The controlled turn-on panel is responsible for routing AC power to the LRU power supplies in the RF module. It ensures that the power is delivered in a controlled manner, preventing any sudden surges or fluctuations that could damage the equipment. By regulating the power supply, the controlled turn-on panel helps to maintain the stability and reliability of the RF module.

Variation refers to the angle between true north and the direction indicated by the needle of a compass, which is influenced solely by the Earth's magnetic field. It is important to understand variation in order to accurately navigate using a compass, as it helps determine the difference between magnetic north and true north.

The correct answer is Interconnect Assembly No.2 (A11). This interconnect assembly is responsible for connecting the AC Power Equipment, RF Equipment, STIM/RESP VXI No.1, and No.2 Assemblies.

After the MSC processes a PM input from the synthesizer, a Biphase signal is also available.

The multipurpose display processor establishes communication on the 1553 MUX bus in backup mode for the F-15 up-front controls.

The mode descriptor of Bus Response in a Fetch statement identifies the acquisition of response from general buses. This means that the Fetch statement is retrieving the response from the general buses, which are likely used for communication or data transfer within a system.

The SIM general-purpose switching assembly provides power for the DC power switch assembly relays on the Radar/Electronic Warfare test station.

The correct answer is Theodolite interface assy. Theodolite interface assy is the component that connects between the digital theodolite assembly and the test station computer in the IAIS OTB systems.

The correct answer is "frequency changer unit." In the context of the International Association of Insurance Supervisors (IAIS), FCU stands for frequency changer unit. This unit is responsible for changing the frequency of a signal, which can be important in various applications such as telecommunications or power systems.

The Interconnect assembly A11 (SIA2) connects major ESTS assemblies A2, A3, A6, and A7.

Mode 2 in IFF (Identification Friend or Foe) permits a special code to be transmitted for aircraft ID.

The digital DAAE has 2 bays.

The correct answer is 1Mhz. The question is asking about the bandwidth of the ILF measurement CCA. Bandwidth refers to the range of frequencies that a device or system can handle. In this case, the ILF measurement CCA has a bandwidth of 1Mhz, meaning it can handle frequencies up to 1Mhz.

The operational range in the MSU is 21.4 MHz-18.5 GHz. This means that the MSU can operate within this frequency range, allowing it to effectively communicate and function within this specific frequency range.

The HP Vectra computer acts as a controller for the Phase Noise subsystem. Phase noise refers to the random fluctuations in the phase of a signal. The HP Vectra computer, in this case, is responsible for controlling and managing the phase noise within the system. This could involve adjusting the frequency or phase of the signal to reduce unwanted noise and ensure accurate and reliable performance.

The FCU in the power system of the Improved Avionics Intermediate Shop Test Station provides 7 outputs.

The SI CCA (Signal Interface Common Control Assembly) provides biphase stimulus to the UUT (Unit Under Test) on the IAIS (Integrated Avionics Instrument System) test station. This means that the SI CCA is responsible for generating a biphase signal that is used to stimulate or test the UUT. The other options, bi-phase CCA and MLPRF CCA, do not specifically mention providing biphase stimulus, and "none of the above" is not the correct answer as the SI CCA is indeed the correct option.

There are three types of MB's.

The IUA (Interface User Adaptation) is a protocol used in telecommunication networks. It is comprised of 11 components that work together to facilitate the exchange of information between different network elements. These components include the IUA User, IUA Service User, IUA Service Provider, IUA Transport, IUA Transport User, IUA Peer User, IUA Peer Service Provider, IUA Peer Transport, IUA Peer Transport User, IUA Peer Service User, and IUA Peer. These components play specific roles in the communication process and ensure the smooth functioning of the IUA protocol.