it have many applications in electronics projects.ADC converts the quantities of real world phenomenon in to digital language which is used in control systems, data computing, data transmission and information processing. Q11. a) Active b) Analog c) Digital d) Pulse Ans : (c) 3. Q10. Answer : These transducers convert the input quantity into an analog output which is a continuous function of time. This amplifier amplifies the low level output signal of the transducer to such a level that it can drive the indicator or display. Q.114.The gauge factor of a strain gauge is given as (a) G=ΔR/R/ Δl/l (b) G=Δl/l / ΔR/R (c) G= ΔR/R/ ΔD/D (d) none of these Types of Sensors 1. When the analog input signal enters the PLC you will often have to scale it in your PLC program. The Arduino has a 10-bit Analog-to-Digital-Converter (ADC), which maps sensor readings between 0 and the operating voltage (5V or 3.3V) into integer values between 0 and 1023. II-Characteristics of different types of sensors a) Active vs. 1. Explanation: It has 14 digital pins input/output pins of which 6 can be used as PWM output, 6 analog inputs, a USB connection, a power jack, a reset button and more. An engineering value is a number that represents the physical value e.g. c) Secondary. Another advantage of the opamp circuit is that the voltage across the … Transducers are the devices that convert energy in one form into another form. 1. flow (m3/s), weight (kg) or temperature (degrees). Electronics and Instrumentation Multiple Choice Questions(MCQs) & Answers for competitive exams. The transducers that converts the input signal into the output signal, which is a discrete function of time is known as _____ transducer. Thus a strain gauge, an LVDT, a thermocouple or a thermistors may be called analog transducer, as they give an … d) Pulse. The input signal is usually an analog voltage, and the output is a binary number. Analog Pressure Sensor a. What Is Analog Transducer? Analog-to-Digital Converter (ADC) The transducer’s electrical analog output serves as the analog input to the ADC. Analog Transducer – The Analog transducer changes the input quantity into a continuous function. a) Active. L.V.D.T., thermocouple, thermistor, etc. Digital signal c. Both analog and digital signal d. none of the mentioned Q.21. c) Null and deflection methods d) Input – Output configuration So, between a device with an input range of 0 to 10 V and one with 0 to 5 V, which is effective? are examples of Analog transducers. In this section of Digital Logic Design - Digital Electronics - Wave shaping Clipping Clamping and Sweep Circuits MCQs (Multiple Choice Questions and Answers),We have tried to cover the below lists of topics.All these MCQs will help you prepare for the various … The analog signal can be the output of some sensor and it converts by ADC in digital format for further processing. Analog Transducers-These transducers convert the input quantity into an analog output which is a continuous function of time. a) Active. However, when analog devices are involved, interfacing becomes much more complex. A multiplexer is a device which converts many signals into one c. It takes one input and results into many output d. Creating a real DAC Fortunately, it is easy to convert a PWM output to an analog voltage level, producing a true DAC. Self generating type transducers are _____ transducers. If both have a resolution of 12 bits, the smallest divisible voltage for the 0 … Transducer/Sensor Excitation and Measurement Techniques. Digital transducer. For example, let's assume that we are using a sensor that converts an analog amount to 0 to 5 volts. As discussed above, how sensors are classified and how to select a sensor, now it’s time to know about different sensors in nature and how they are used in the industrial applications. Basically ADC is used to convert the analog signals into a digital signal. A transducer converts one form of energy to another. – Signal conditioning : converts the sensed signal into an analog or digital electrical value real world A/D transducer signal Signal conditioning sensor input signal (measured) microcontroller signal processing sensed data communication network display. b) Analog. All that is needed is a simple low-pass filter made from a resistor and a ceramic capacitor. A pinoybix mcq, quiz and reviewers. ADC calculator EXAMPLE#1: INPUTS: n = 3, Analog input (V_in) = 5.5V, Ref_voltage (V_ref) = 8 V OUTPUT: 5 numeric (decimal), 101 (binary) Analog to digital converter calculator EXAMPLE#2: INPUTS: n = 10, Analog input (V_in) = 0.806V, Ref_voltage (V_ref) = 3.3 V OUTPUT: 250 numeric (decimal), 1111 1010 (binary) n-bit ADC calculator formula | ADC conversion formula So by using conversion instruction analog value from the RTD (MW100) is converted into actual analog value (MD104). a) Active b) Passive c) Secondary d) Inverse Ans : (a) 2. One example of such an application is using the photodiode sensor to measure light intensity. a) Digital b) Analog c) Active d) Pulse Ans : (a) 3. Passive: Does sensor draw energy from the signal ? what is a multiplexer? Performance and terminology a) Transducer or sensor b) Signal conditioning c) Intelligence d) Display View Answer Answer: a Explanation: A transducer or a sensor is a sensing device used to convert physical input to output especially voltage. The physical parameters that any microcontroller processes come from sensors. An analog to digital converter (ADC) converts an analog signal into digital form, shown in Figure 14.4. What will be the output of an integrator if sine wave is applied at the input? Sensors are transducers that convert a physical parameter like temperature into electrical signals that the microcontroller can understand. b) Passive. This type of transducer converts the input quantity into an analog output which is a continuous function of time. The strain gauge, L.V.D.T, thermocouple, thermistor are the examples of the analogue transducer. This input transducer converts the non-electrical physical quantity into an electrical signal. Self generating type transducers are _____ transducers. What scaling means is that you convert the raw value from the analog input to some sort of engineering value. Note:- Temperature controller provides 0-10V DC signal to PLC. Digital to analog converting is a process where digital signals that have a few (usually two) defined states are turned into analog signals, which have a theoretically infinite number of states. Input Transducers. Figure 1 gives the block diagram of an analog instrumentation system. The output of the photodiode sensor is a current which changes proportional to the light intensity. In case, there are two or more nos of stages of transduction, then it is called secondary type. An embedded system uses the ADC to collect information about the external world (data acquisition system.) 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