Electronics Communications Interview Questions
Questions Answers Views Company eMail

What are LAPD and LAPDm?

Qualcomm,

2 23391

What is the difference between synthesised frequency hopping and base band frequency hopping?

5650

Explain various types of antenna diversity.

Huawei,

3823

What are emergency handovers?

4 7465

Explain the modulation technique used in gsm.

12 25368

When do we need drive test?

1753

Explain GPRS architecture.

BSNL,

2968

Explin E1 T1.

2 4602

What is channel coding?

1 4183

What is HSN(Hopping Sequence Number)? How do we apply it?

Huawei,

2 16976

What is DTX? Why is it used?

2 6711

What is DRX? Why do we need it?

DRX,

1 5419

Which channel is used for SMS?

3 10060

What can be the reasons of Handover failure?

Ericsson, TKS, TNS,

3 35745

why the microcontroller so called 8051?/ and why the IC starts with 74?

Bhel,

8 33953


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Un-Answered Questions { Electronics Communications }

What is the purpose of bleeder resistance in a rectifier circuit using l-c filter?

580


What is Cycling Frequency Hopping?

2034


what is the configuration of 1+1+1?

1077


what kind of negative feedback is present in a noninverting op-amp.

589


Define knee voltage of a diode.

646






Explain the primary advantage of multiplexing?

592


One FIU19(E) Flexbus LED is steadily on. What is the meaning? How can a Laptop PC be locally connected to a FIU19E? What is the maximum capacity of a FlexiHopper radio link operated by a FIU19(E), that is equipped with two 4x2M plug- in units? Which of the listed combination of indoor units support

1964


i want the aptitude test papers of wipro can any one help plz

1516


can we conect lowpass filter before high pass filter in cascade form in band pass filter?(active filter).

2688


What are the advantages of freewheeling diode in rectifier circuit?

571


What is step up chopper?

587


Explain the advantages of using c band for satellite communication?

552


Define what are the charge carriers in p-type and n-type semiconductors?

587


Define cut off frequency?

619


i having three wire RTD but i want analog input signal 4 to 20ma to Allen Bradly plc.so how to connect this one.pls clarifie me.

1311