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Let the message signal m(t) = α cos (2πfmt) be used to either frequency-modulate or phase- modulate the carrier Ac cos(2πfct). Find the modulated signal in each case.
Applications of Hall Effect: (i) To determine whether semiconductor is of n type or p type. (ii) To determine carrier concentration. (iii) Measurement of carrier mobili
Q. How do you differentiate between dual beam and dual trace oscilloscope? Sol. There are two separate vertical input channels A, B and these use separate attenuator and prea
Calculate the Maximum Power That Transmitted To the Load? A 25 MW load at the 33 kV receiving-end busbar of a short 3-phase transmission line has a power factor of 0.8 lagging.
Q. What is DTMF dialling? DTMF dialling 1. Uses push buttons 2. Uses 8 different frequencies in pairs. 3. 16 different characters can be represented. 4. The f
What is Capacitor - A capacitor is an electrical device that is used to kept electrical energy. - The unit of capacitance is Farad. The symbol of capacitance is C.
Copy data byte 10H LDAX instruction Example : Copy data byte 10H stored at memory location 3020 H to the accumulator using LDAX instructions. Solution : To use
Q. Two 1150:115-V transformers are to be inter connected for (a) 2300:230-V operation, and (b) 1150:230-V operation. Show the interconnections and appropriate polarity markings.
Potentiometric type DVM: A potentiometric type of DVM, employs voltage comparison technique. In this DVM the unknown Voltage is compared with a reference voltage value is fixed by
Draw the block diagram of TDM-PCM system. Explain each block. Calculate the bit rate at the output of this system
Q. Explain the basic architecture of digital switching systems. Explain in detail companding. Ans: A simple N X N time division space switch is displayed in Figure. Switch
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