What is the need for modulation?
What is EDFA ?
What is meant by pre-emphasis and de-emphasis?
What is CMRR? Explain briefly.
Difference between FM and AM, which is preferred & its advantages.
For asynchronous transmission, is it necessary to supply some
synchronizing pulses additionally or to supply or to supply start and
stop bit?
Questions on signal processing techniques ?
What is VOIP ?
On what principle do Transformers work ?
BPFSK is more efficient than BFSK in presence of noise. Why?
What is ZigBee and its specifications ?
Questions on different coding techniques ?
What is latest satellite from ISOR ?
What is impulse response?
Why we use vestigial side band (VSB-C3F) transmission for picture?
What are the different types of filters?
What are different types of antennas ?
What is Moore's Law ?
What is Lenz law ?
Explain the advantages and disadvantages of FIR filters compared to IIR counterparts.
What is sampling theorem?
How can you convert an SR Flip-flop to a JK Flip-flop?
What is Transmission Frequency of Bluetooth, Wi-Fi and Wi-MAX ?
Why is Zener Diode always used in Reverse Bias condition ?
When transmitting digital signals is it necessary to transmit some
harmonics in addition to fundamental frequency?
What do you mean by an ideal voltage source?
What is Yagi-Uda antenna ?
What is a multiplexer?
What is the basic difference between Latches and Flip flops?
Which type of modulation is used in TV transmission?
What is FPGA ?
What is meant by D-FF?
How many satellites comprise the GPS and expand it ?
What is difference between Piconet and Scatternet ?
What is the need of filtering ideal response of filters and actual response of filters?
What is RS in RS-232 ?
Which range of signals are used for terrestrial transmission?
What do you mean by ASCII, EBCDIC?
What is MIMO ?
What do you mean by zener breakdown and avalanche breakdown?
Which semiconductor device is used as a voltage regulator and why?
How can you convert an JK Flip-flop to a D Flip-flop?
What is difference between Microprocessor and Microcontroller ?
What do you mean by half-duplex and full-duplex communication?
Explain briefly.
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