Description : What is the simplest form of fm detector?
Last Answer : Slope detector.
Description : What does the simplest diode detector use to reproduce the modulating frequency?
Last Answer : The modulation envelope.
Description : What circuit functions does the tube in a gated-beam detector serve?
Last Answer : Limits, detects, and amplifies.
Description : What three functions does the transistor in a regenerative detector serve?
Last Answer : Oscillator, mixer, and detector.
Description : What condition must exist on both the limiter and quadrature grids for current to flow in a gated-beam detector?
Last Answer : Both grids must be positively biased
Description : To measure incident power, you must rotate the coupler detector of the wattmeter so that the arrow indicating power flow points toward which end of the transmission line?
Last Answer : Load.
Description : Is it illegal to have a radar detector in your car in Virginia or do you have to be using it?
Last Answer : It's not illegal to be carying one in your car.
Description : What does three band mean in a radar detector?
Last Answer : Three band indicates that the radar detector has detection of X, K, and Ka bands of radar.
Description : Does the Rocky Mountain RMR-C430-6 Radar Detector work at any speed?
Last Answer : Yes, the RMR-C430-6 Radar Detector will work at any speed.
Description : What radar detector company pays your ticket if you get one?
Last Answer : Valentine One will pay any ticket received while using their detector.
Description : Will a radar detector interfere with my cell phone?
Last Answer : No but some phones will interfear with the radar detection.
Description : What is the fine in Virginia for getting caught with a radar detector?
Last Answer : If you have a radar detector and you are travelling through Virginia, take it down. The police will confiscate the detector until whatever fine they write is paid. At one point they would even destrol the radar detector, but that has since become illegal due to lawsuits.
Description : Can you detect all types of radar with a radar detector?
Last Answer : You can detect most types of radar itself,but you need other detectors for other systems.
Description : is a combination of rigid or resistant Bodies having definite motion and capable of performing useful work a) Tool. c) Implement b) Machine. d) None of the above
Last Answer : Machine.
Description : An individual's belief that he or she is capable of performing a task is called: (a) Self-actualization ; (b) Self-worth ; (c) Self-efficacy ; (d) Self-importance
Last Answer : (c) Self-efficacy ;
Description : What four basic functions must a receiver perform?
Last Answer : Reception, selection, detection, and reproduction.
Description : Sound waves transmitted from a source are sometimes weak when they reach the detector. What instrument is needed to boost the weak signal?
Last Answer : An amplifier.
Description : In the output of an ac error detector, what indicates the (a) direction and (b) amount of control necessary for correspondence?
Last Answer : (a) Phase. (b) Amplitude.
Description : An error signal is the difference between what two quantities fed to the CT (error detector)?
Last Answer : Input signal and feedback.
Description : Why is detector saturation not generally a problem in fiber optic communications systems?
Last Answer : Because fiber optic communications systems operate at low optical power levels.
Description : What are the four most common materials used in semiconductor detector fabrication?
Last Answer : Silicon, gallium arsenide, germanium, and indium phosphide.
Description : For efficient operation, should a detector have a high or low responsivity at the operating wavelength?
Last Answer : High.
Description : Describe the operation of an optical detector
Last Answer : It is a transducer that converts an optical signal into an electrical signal. It does this by generating an electrical current proportional to the intensity of incident optical radiation.
Description : What is the function of the detector?
Last Answer : To extract the modulating audio signal.
Description : How can a peak detector for pam be modified to detect pdm?
Last Answer : By making the time constant for charging the capacitor at least 10 times the maximum received pulse width.
Description : What is the time constant of the resistor and capacitor in a peak detector for pam?
Last Answer : At least 10 times the interpulse period.
Description : What characteristic of a pulse does a peak detector sample?
Last Answer : Pulse amplitude or pulse duration
Description : How is a quadrature detector changed when used for phase demodulation?
Last Answer : The quadrature grid signal is excited by a reference from the transmitter.
Description : Name two advantages of the gated-beam detector.
Last Answer : Extreme simplicity, few components, and ease of adjustment.
Description : What is the primary advantage of a ratio detector?
Last Answer : Suppresses amplitude noise without limiter stages.
Description : What is the function of an fm detector?
Last Answer : Converting frequency variations of received fm signals to amplitude variations
Description : which components act as the filter network in the diode detector?
Last Answer : C1 and R1.
Description : To what circuit arrangement is a common-base detector equivalent?
Last Answer : A diode detector followed by a stage of audio amplification.
Description : Which junction acts as the detector in a common-base detector?
Last Answer : Emitter-base junction.
Description : How is the output signal developed in the common-emitter detector?
Last Answer : By the collector current flow through R4.
Description : Which junction of the transistor in the common-emitter detector detects the modulation envelope?
Last Answer : Emitter-base junction
Description : Under what circuit conditions would the shunt detector be used?
Last Answer : When the input voltage variations are too small to give a usable output from a series detector.
Description : How does the current-diode detector differ from the voltage-diode detector?
Last Answer : The current-diode detector is in parallel with the input and load.
Description : What is the function of the diode in a series-diode detector?
Last Answer : Rectifies the rf pulses in the received signal.
Description : What simple, one-transistor detector circuit uses the heterodyne principle?
Last Answer : Regenerative detector.
Description : What are the advantages of connecting ammeters in parallel when performing current measurements?
Last Answer : Decreased internal meter resistance, greater accuracy, and greater current range.
Description : . What is the normal source of dry air for a radar system?
Last Answer : Ship's central dry-air system
Description : The peak power of a radar depends on the interrelationship of what other factors?
Last Answer : Average power, pulse width, and prt.
Description : The ideal radar spectrum has what relationship to the carrier frequency?
Last Answer : Symmetrical above and below the carrier frequency.
Description : The spectrum of a radar transmitter describes what characteristic of the output pulse?
Last Answer : Frequency distribution
Description : Which of the two types of automatic gain control, agc or iagc, is most effective in radar use for the Navy?
Last Answer : IAGC.
Description : What IF frequencies are normally used in radar receivers
Last Answer : Thirty or sixty megahertz.
Description : What type of receiver is most often used in radar systems?
Last Answer : Superheterodyne.
Description : What type of modulator is most commonly used in modern radar systems?
Last Answer : Line-pulsed.