Answer / chinna

GSM uses differennt frequency channels with a seperation of 200MHz, where as CDMA uses same frequency. in cdma it generates a unique pseudo random number which can be decoded by only targeted receiver. this is done for avoiding user interference( like crosstalk).

Explain the working of current commutated chopper with aid of circuit diagram and necessary wave forms. Derive an expression for its output voltage?

0 Answers  

---

plz tll me wch area i will prepare 4 IOCL EXAM............

0 Answers   IOCL,

---

can you use a small battery in place of every decoupling capacitor.

0 Answers   HCL,

---

Name some of the voltage driven (voltage controlled) devices?

0 Answers  

---

I have recieved an interview call from HECL that is Heavy Engineering Corporation Ltd, Ranchi , Jharkhand. Can you please provide me some Electronics and Communication questions for preparation as early as possible since I am left with just one week.

0 Answers  

---

In binary to gray converter, …………… gate is used. A AND B OR C NAND D EX-OR

3 Answers   Micromax,

---

why we use clamping on transformer

1 Answers  

---

why we use +ve load distribution in 24v , and -ve load distribution in 48volt.?

1 Answers  

---

What is the difference between the bandwidth of half duplex and simplex transmission?

0 Answers  

---

Define buck boost converter.

0 Answers  

---

HOW TO INTERFACE A "MOTOR ASSEMBLY UNIT" WITH 8085 MICROPROCESSOR? MEANS HOW CAN WE USE 8085 TO ASSEMBLE DIFFERENT PARTS OF A VEHICLE?????

2 Answers  

---

What are chebushev filters?

0 Answers  

---