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21 results on '"Bryant, James A."'

1. Designing air-source heat pumps for cold climates

Author

Bryant, James

Subjects
Heat pumps -- Innovations, Heat pumps -- Environmental aspects, Air compressors -- Innovations, Heating, ventilation, and air conditioning industry -- Product development, Business, Home furnishings industry
Published
2008

2. What shall we do with an unused op-amp?

Author

Bryant, James

Subjects
Operational amplifiers -- Usage
Abstract

By James Bryant (Sung to the tune of "What shall we do with the drunken sailor?") Q In the RAQ on op-amps as comparators you mentioned an unused op-amp in […]

Published
2009

3. Glass Diodes May See the Light -- and Hum

Author

Bryant, James

Subjects
Diodes -- Usage, Semiconductor industry -- Innovations, Semiconductor industry
Abstract

By James Bryant Q. A few months ago you discussed how to prevent the inherent high frequency (HF) noise of a switching supply from escaping into sensitive analog circuits and […]

Published
2009

4. How Big Is It?

Author

Bryant, James

Subjects
Analog integrated circuits -- Usage, Analog integrated circuits -- Analysis
Abstract

By James Bryant Q. How can I handle signals with huge variations in amplitude? A. With a Logarithmic Amplifier. The world's smallest mammal is the Etruscan Pygmy Shrew, which is […]

Published
2008

5. Stress Is Bad For You - and For Analog ICs

Author

Bryant, James

Subjects
Calibration -- Research, Analog integrated circuits -- Properties, Strains and stresses -- Influence, Stress relaxation (Materials) -- Influence, Stress relieving (Materials) -- Influence
Abstract

By James Bryant Q. You recently mentioned that mechanical stress alters the calibration of precision analog ICs. Does this mean that mounting them incorrectly can make them inaccurate? A. Indeed […]

Published
2008

6. Hysteresis Blocks Magic

Author

Bryant, James

Subjects
Measuring instruments -- Usage, Measuring instruments -- Analysis, Hysteresis
Abstract

By James Bryant Q. Can I recalibrate my precision analog circuits to achieve higher accuracy? A. There is no magic¹ process for upgrading the precision of analog circuitry. A phenomenon […]

Published
2008

7. Too Hot or Too Cold May Be Just Right*

Author

Bryant, James

Subjects
Integrated circuits -- Usage, Integrated circuits -- Evaluation, Semiconductor chips -- Usage, Semiconductor chips -- Evaluation, Standard IC
Abstract

By James Bryant Q. Are absolute maximum and minimum temperatures as absolute as voltage or current ratings? A. No! While integrated circuit manufacturers cannot guarantee devices used outside their temperature […]

Published
2008

8. Rarely Asked Questions

Author

Bryant, James

Subjects
Capacitors -- Usage, Capacitors -- Analysis
Abstract

By James Bryant Strange but true stories from the call logs of Analog Devices Half Full or Half Empty? Thoughts on Capacity. Q. Are all components with just two wires […]

Published
2008

9. Resistors (and Old Ladies) Have Hidden Depths

Author

Bryant, James

Subjects
Resistors -- Beliefs, opinions and attitudes, Resistor
Abstract

By James Bryant Q. You recently discussed the thermal noise of resistors. They seem to be such straightforward components with just two connections and one simple property: resistance. Do they […]

Published
2007

10. Resistor Noise can be Deafening, and Hard to Reduce

Author

Bryant, James

Subjects
Operational amplifiers -- Maintenance and repair, Operational amplifiers -- Usage, Electromagnetic noise -- Control
Abstract

By James Bryant, Contributing Writer Q. My low-noise amplifier is not low noise enough. What am I doing wrong? A. It may not be the amplifier causing the trouble; analyze […]

Published
2007

11. Things (Animals and ADCs) Are Not Always What They Seem

Author

Bryant, James

Subjects
Analog to digital converters -- Usage
Abstract

By James Bryant, Contributing Writer Q. Must I consider high frequency issues when driving a slow ADC? A. Because things are not always what they seem. Consider the quagga - […]

Published
2007

12. Observing Maximum Ratings or How to Avoid Forecasts of Doom

Author

Bryant, James

Subjects
Integrated circuits -- Analysis, Semiconductor chips -- Analysis, Electric circuit analysis, Standard IC
Abstract

By James Bryant Q. How much safety margin is there in "absolute maximum" ratings? A. None! And integrated circuits (ICs) are not fortune tellers. An IC's absolute maximum rating is […]

Published
2007

13. Resourcefulness, or Why Good Engineers (and Good Cooks) Use the Best Available Components

Author

Bryant, James

Subjects
Integrated circuits -- Usage, Semiconductor chips -- Usage, Engineering design, Standard IC
Abstract

By James Bryant Q. Which (amplifier/switch/converter) is best in a (mobile phone/strain gauge/medical ultrasound system)? A. Whichever is most efficient and cost-effective, no matter what it was originally designed for. […]

Published
2006

15. Rarely asked questions: strange but true stories from the call logs of analog devices

Author

Bryant, James

Subjects
Circuit design -- Quality management, Business, Electronics and electrical industries, Integrated circuit design, Circuit designer, Quality management
Abstract

It's easy to drive an EE to drink--but what drives one to poetry? Q. My SPICE simulation worked perfectly, but now I've a larqe production batch which doesn't meet its [...]

Published
2006

16. Tick-tock, tick-tock

Author

Bryant, James

Subjects
Business, Electronics and electrical industries
Abstract

Q. My clock is accurate to 1 ppm--what could possibly need improvement? A. The phase noise or jitter. The performance of any ac sampling system is critically dependent on the [...]

Published
2005

17. Check the bias current (or how to ensure that a blessing is heard)

Author

Bryant, James

Subjects
Audio equipment industry, Business, Electronics and electrical industries
Abstract

Q. The bias current in modern amplifiers is very small. Do I need to bother about it? A. At Mass in Limerick, Ireland (the location of one of Analog Devices' [...]

Published
2005

18. Caveat emptor!

Author

Bryant, James

Subjects
Circuit designer, Integrated circuit design, Standard IC, Circuit design -- Analysis, Integrated circuits -- Design and construction, Semiconductor chips -- Design and construction
Abstract

Q. How do I make sense out of a data sheet? A. With some difficulty. The ostensible purpose of a data sheet is to provide the user and potential user […]

Published
2005

19. Rarely asked questions: strange but true stories from the call logs of Analog Devices: isolating the Key Detail (or Lunching With a Mermaid and Pickled Herring)

Author

Bryant, James

Subjects
Multiplexers -- Evaluation, Complementary metal oxide semiconductors -- Evaluation, Business, Electronics and electrical industries, Multiplexer, Evaluation
Abstract

Q. There is a fault in my CMOS multiplexer ...? A. Recently, we considered an applications problem where the engineer was reticent, making it difficult to obtain the facts needed [...]

Published
2005

20. Rarely asked questions: strange but true stories form the call logs of analog devices

Author

Bryant, James

Subjects
Electric current converters -- Evaluation, Business, Electronics and electrical industries, Electric current converter, Evaluation
Abstract

Slow 'starting' ADCs (or the beneficial effects of in diagnosing converter problems) Q. To save power, my ADC is powered up only to make a measurement. The system is very [...]

Published
2005

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