What is 555 timer?

0 Answers  

---

Two initially identical samples A and B of pure germanium are doped with donors to concentrations of 1*10, 20 m-3 and 3*10, 20 m-3 respectively. If the hole concentration in A is 9*10 12 m-3, then the hole concentration in B at the same temperature will be

0 Answers   C DAC, CDAC,

---

what is the purpose to give two power supply to opamp ie. +Vcc & -Vee?

1 Answers   SCOE,

---

explain osi model???

1 Answers   Nokia Solutions and Networks,

---

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

3 Answers   Micromax,

---

i am preparing for AAI JR EXECUTIVE exams so plz suggest the objective materail for preparation

0 Answers   AAI Airports Authority Of India,

---

Name the equipments required for 2+2+2.

0 Answers   NSN,

---

why the cutoff frequency is taken for 3dB and not other values like 1 or 2 db???

3 Answers  

---

what is a GPIB?

2 Answers   BEL,

---

what is the difference b/w gsm and cdma

1 Answers  

---

Why do ics need small power for their operation?

0 Answers  

---

Why EMI is very low in optical fiber,while frequency is very high? As we no that in general condition frequency inversely proportional to EMI.

2 Answers   IIT,

---