Answer / saketdoshi1707

1.Diode means a device have 2 electrode namely anode and cathode form by p-type and n-type semiconductor material used for rectification, clippers, clampers etc.

2.Transistor is 3 terminal device used for amplification of signal i.e. power, voltage & current and switch. 2 types-PNP and NPN.

3.thyristor is a solid state semiconductor with 4 layers alternating p and n semiconductor conducting when gate receive a current trigger. used for bistable switch, 3-phase rectifire, inverter.

Telecom BSS related ques: For cascaded 1800 BTS with master 900 BTS,if 900 master BTS is down for its own equipment fault,cascaded slave 1800 BTS gets down/stop carrying traffic without any fault as BCCH and other controllong channels are in master 900 BTS.Is there any technology/system to turn the slave 1800 BTS to a single 1800 BTS autometcally when 900 master BTS is down for its own equipment fault???It is possible to make the slave 1800 BTS single live BTS manually.But I want to know the autometic system/process.if there is any....if not available, how can we generate the system??

3 Answers   Ericsson, Grameen Phone, Nokia, TATA, Telecom,

---

send me cutoff of surat nit for m.tech

0 Answers   NIT,

---

What is the purpose of using data modem.

0 Answers  

---

for an insulating material,dielectric strength and dielectric loss should be respectively

1 Answers  

---

Hi Friends, I am preparing for Airport authority of India ,so please forward me question papers and questions that are generally asked in test. my email ID is :jitinkumar_micro@rediffmail.com

0 Answers  

---

how to know working functions of ICs using simple circuits

1 Answers  

---

what is the h-parameter?

3 Answers   TATA,

---

Define resolution of a data converter.

0 Answers  

---

What is 555 timer?

0 Answers  

---

Why the input impedance of OP-Amp is so high?

1 Answers   TCS,

---

What are the applications of op-amps?

0 Answers  

---

How many channels are there in 2mb pulse code modulation?

0 Answers  

---