Answer / vidyasagar rao

IC Temperature Ranges Class
lower limit upper limit
Military -55oC(-65oF) : +125oC(+257oF)
Extended -40oC(-38oF) : +125oC(+257oF)
Industrial -40oC(-38oF) : +85oC(+183oF0
Commercial 0oC(+32oF) : +70oC(+158oF)

The 74xx digital logic families [or just 74 prefix] refer
to a commercial operating temperature range. The 54xx part
number [or just 54 prefix] refers to a military operating
temperature range. Some 74xx device families may also work
at the Industrial temperature range.

what are radio collars?

0 Answers  

---

sir i want to know when is the exam in 2009 and last date for application form ,plz let me know sir

0 Answers   BARC,

---

What does the voltmeter in ac mode show? Is it rms value or peak value?

0 Answers  

---

what do we mean by the term PTT in mobile? & what is the main function of PTT service?

0 Answers  

---

What happens to the conductivity of semiconductor with the rise in temperature? Compare with the conductivity of metals.

0 Answers  

---

The positive clipper can be easily converted into negative clipper by A Reversing diode and changing the polarity of reference voltage B Reversing diode only C Changing the polarity D None of these

0 Answers  

---

why we prefer LED as light source insted of Laser in FSO (FREE SPACE OPTIC)communication.plz give me answer soon

3 Answers  

---

why six transistors are used to store single bit in sram

1 Answers  

---

Name the frequency bands are used in satellite communication?

0 Answers  

---

what is cellular mobile communication ?

3 Answers   HP, Infosys, Motorola,

---

please tell me wat types of technical questions will be asked in Alcatel lucent. and suggest me which site to view

0 Answers  

---

Explain how micro processor works without internal memory?

0 Answers  

---