Answer / mohit

-3 db in filters are use for bandwidth measurement. the 3db is the marking in logarithmic graph used to measure the B.W.

How many carrier frequencies are there in GSM-900/DCS-1800? How much is the separation between the carrier frequencies?

2 Answers  

---

what should i prepare for an airport authority of india's interview for ATC post? I have interview in next week. so, Please help me out.

1 Answers   AAI Airports Authority Of India, ATC,

---

What are the two types of trc?

1 Answers  

---

Why value of rx level is always negative?

1 Answers   Ericsson,

---

Differentiate between transducer and transponder.

1 Answers  

---

How many types of Transmission cards are in Ultra BTS?

1 Answers   NSN,

---

as i m an electronics engineer,and doing testing course,if interviewer ask me a question that after being an engineer,why u choose testing field,what should i answer?

2 Answers   IBM, Nokia,

---

what is RS-232 giv ex?

1 Answers  

---

what is oscillation?

11 Answers  

---

also send me aptitude question paper

1 Answers   IFFCO,

---

Difference Between CDMA and GSM?

1 Answers   Alcatel,

---

what is Barkhausen Criterion?

18 Answers  

---