Linear Integrated Circuit Questions and Answers – Integrated Circuits, Types & Manufacturer’s Design – 2

This set of Linear Integrated Circuit Questions and Answers for Experienced people focuses on “Integrated Circuits, Types & Manufacturer’s Design – 2”.

1. Which package type is chosen for military purposes?
a) Ceramic DIP
b) Plat pack
c) Metal can pack
d) Plastic DIP
View Answer

Answer: a
Explanation: Ceramic DIP can be used for high temperature and high performance equipment.

2. A Dual-In-Line Package is usually referred to as
a) DIPn
b) nDIP
c) DIPn
d) All of the mentioned
View Answer

Answer: a
Explanation: A Dual-In-Line Package is usually referred to as DIPn. Where, n represent the number of pin terminals in the IC.

3. Which type of DIP IC dissipates more heat?
a) Ceramic DIP
b) Plastic DIP
c) Metal DIP
d) None of the mentioned
View Answer

Answer: b
Explanation: Plastic DIP are cheaper than metal or ceramic DIP, but are not regarded as satisfactory in extremes of temperature.
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4. Choose the type of package used for Airborne application?
a) DIP package
b) Metal can package
c) Flat pack
d) Transistor pack
View Answer

Answer: c
Explanation: The flat pack is more reliable and lighter than a comparable DIP package and therefore is suited for airborne application.

5. How a choice is made, if all three package types are available?
a) Based on cost
b) Based on fabrication
c) Based on Experimentation usage
d) All of the mentioned
View Answer

Answer: d
Explanation: When all three packages are available for a specific application, the choice can be made based on the relative cost, ease of fabrication and breadbording the IC.
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6. How many temperature grades are available for IC?
a) Two
b) Three
c) Four
d) Five
View Answer

Answer: b
Explanation: All ICs manufactured fall into one of the three basic temperature grades. They are military, industrial and commercial temperature range.

7. ICs used for industrial application will have temperature range from
a) -55o to +85oc
b) 90o to 155oc
c) 10o to 100oc
d) -20o to +85oc
View Answer

Answer: d
Explanation: The industrial temperature range is from -20o to +85oc.
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8. Find the types of temperature range used for an IC, which can be used only up to 75oc?
a) Industrial temperature range
b) Commercial temperature range
c) Military temperature range
d) All of the mentioned
View Answer

Answer: b
Explanation: Commercial grade IC can be used up to 75oc. It has the worst tolerance among the three types and is the cheapest available IC.

9. Which grade device is selected for superior quality performance?
a) Military grade IC
b) Industrial grade IC
c) Commercial grade IC
d) None of the mentioned
View Answer

Answer: a
Explanation: The military grade devices are always of superior quality, with tightly controlled parameters and consequently cost more.
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10. In ordering an IC, the device type is represented as
a) Numbers
b) Symbols
c) Alphabets
d) Alphanumeric characters
View Answer

Answer: d
Explanation: The device type is a group of alphanumeric characters. For example, 741 IC is represented as µA741, LM741 and MC1741.

Sanfoundry Global Education & Learning Series – Linear Integrated Circuits.

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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