what are the components of LAN

4 Answers  

---

Define virtual grounding?

0 Answers  

---

What is the most common modulation system is used for telegraphy?

6 Answers   AIR, BSNL, HCL,

---

What are the three stages through which pll operates?

0 Answers  

---

IS THERE ANY COADING PRESENT IN EPBX SYSTEM? IF YES THEN HOW WE CAN INSTALL IT?

1 Answers   BSNL,

---

What is pass band?

0 Answers  

---

why is BPSK better than BFSK in presence of noise

5 Answers  

---

Tell me something about IN call Flow and what is the difference between the flows in both GSM and CDMA technologies?

0 Answers   Huawei,

---

What is meant by step-up and step-down chopper?

0 Answers  

---

hi i m an EC engg i had cleared written test for PE for BEL plz help be for interview provide me full information about intrvw as much as u can.. thankx..

14 Answers   BEL, NTPC, ZTE,

---

Consider sinc(x):where sinc(x)=sin (xpi)/xpi. and sinc(x) have max value i.e. unity at x=0 .now if x=0.then pix =0 and sin (pix)=0 at x=0. then above expression sin (xpi)/xpi.should be of 0/0 form i.e. in-determined form. then how sinc(x) is one at x=0. pi is constant.

1 Answers  

---

WHY RECIPROCITY THEOREM IS MAINLY USED IN ELECTRONICS

0 Answers   Bhel,

---