<s id="u9k8w"><strong id="u9k8w"></strong></s>

<track id="u9k8w"><span id="u9k8w"></span></track>
<track id="u9k8w"></track><track id="u9k8w"></track>

    <menuitem id="u9k8w"><dfn id="u9k8w"><menu id="u9k8w"></menu></dfn></menuitem>
    <track id="u9k8w"><div id="u9k8w"></div></track>

      1. Analog Dialogue Technical Journal
      2. RAQs

      Rarely Asked Questions

      RAQ Issue: 169
      Issue 169, September 2019

      A Simple Way to Measure Temperature Using One GPIO Digital Interface

      Question: How can I make an analog measurement if I only have a single GPIO left on the FPGA/microprocesser for my system?

      VIEW THE ANSWER
      RAQ Issue: 168
      Issue 168, August 2019

      Bootstrapping a Low Voltage Op Amp to Operate with High Voltage Signals and Supplies

      Question: Can I bootstrap a low voltage amplifier to get a high voltage buffer?

      VIEW THE ANSWER
      RAQ Issue: 167
      Issue 167, July 2019

      When Smaller Is Better

      Question: How does a μModule® regulator fit into such a small space?

      VIEW THE ANSWER
      • RAQ Issue: 166

        How to Convert Light Intensity Into an Electrical Quantity

        Issue 166, June 2019
      • RAQ Issue: 165

        Discrete Difference Amplifier vs. an Integrated Solution

        Issue 165, May 2019
      • RAQ Issue: 164

        Guidelines for Placing the Inductor on a Switch Mode Power Supply Printed Circuit Board

        Issue 164, April 2019
      • RAQ Issue: 163

        SAR Converter with PGA Achieves Dynamic Range of 125 dB

        Issue 163, March 2019
      • RAQ Issue: 162

        Enablement of Batteryless Applications with Wireless Power

        Issue 162, February 2019
      • RAQ Issue: 161

        A New Spin on a Classic Architecture: Achieving a Fully Differential Output Using Single-Ended Instrumentation Amplifiers

        Issue 161, January 2019
      • RAQ Issue: 160

        Simple Circuit Measures Relative Intensity of Two Light Sources

        Issue 160, December 2018
      • RAQ Issue: 159

        When Grounds Are Separated

        Issue 159, November 2018
      • RAQ Issue: 158

        Driving a Unipolar Gate Driver in a Bipolar Way

        Issue 158, October 2018
      • RAQ Issue: 157

        Overvoltage Protection for RTD-Based Measurement Systems

        Issue 157, September 2018
      • RAQ Issue: 156

        Optimized Power Supply Measurement Setup

        Issue 156, August 2018
      • RAQ Issue: 155

        Home on the Range: Getting Multiple Gain Ranges With Instrumentation Amplifiers

        Issue 155, July 2018
      • RAQ Issue: 154

        Pocket-Size White Noise Generator for Quickly Testing Circuit Signal Response

        Issue 154, June 2018
      • RAQ Issue: 153

        High Speed ADC Power Supply Domains

        Issue 153, May 2018
      • RAQ Issue: 152

        Problem Solver: Multiplying Digital-to-Analog Converter

        Issue 152, April 2018
      • RAQ Issue: 151

        High-Side Current Sensing

        Issue 151, March 2018
      • RAQ: Issue 150

        Dynamic Use of the Disable Pin on an Amplifier

        Issue 150, February 2018
      • RAQ: Issue 149

        Intermediate Voltage to Increase Power Conversion Efficiency

        Issue 149, January 2018
      • RAQ: Issue 148

        Unique Gate Drive Applications Enable Rapidly Switching On/Off for Your High Power Amplifier

        Issue 148, December 2017
      • RAQ: Issue 147

        Synchronous Rectification on the Secondary Side

        Issue 147, November 2017
      • raq-issue-146

        Why Is My Processor Leaking Power? That Sounds Like an Open-Ended Question

        Issue 146, October 2017
      • RAQ:  Issue 145

        A Low Power, Low Cost, Differential Input to a Single-Ended Output Amplifier

        Issue 145, September 2017
      • RAQ:  Issue 144

        Accelerometer Tilt Measure Over Temperature and in the Presence of Vibration

        Issue 144, August 2017
      • RAQ: Issue 143

        Burned by Low Power? When Lower Current Consumption Can Get You Into Trouble

        Issue 143, July 2017
      • RAQ: Issue 142

        Orthogonal Perspectives

        Issue 142, June 2017
      • RAQ: Issue 141

        Sometimes, a Signal Needs to Ride the Rails

        Issue 141, May 2017
      • RAQ: Issue 139

        Presto! Multiply Your ADC’s Virtual Channel Count with DDC Magic

        Issue 140, April 2017
      • RAQ:Issue 139

        The Case of the Misguided Gyro

        Issue 139, March 2017
      • RAQ: Issue 138

        This Noise Will Keep You Up at Night

        Issue 138, February 2017
      • RAQ: 137

        Psychotic ADC?

        Issue 137, January 2017
      • RAQ: Issue 136

        Precision Current Outputs Are Easy to Make

        Issue 136, December 2016
      • RAQ: Issue 135

        Amplifier RF: Think Before you Choose!

        Issue 135, November 2016
      • RAQ: Issue 134

        Because Mr. Ohm Said So …

        Issue 134, October 2016
      • RAQ: Issue 133

        Common Sense for Current Sensing

        Issue 133, September 2016
      • RAQ:  Issue 132

        Choosing a Precision Op Amp? Trust Goldilocks.

        Issue 132, August 2016
      • RAQ:  Issue 131

        Going Full Tilt

        Issue 131, July 2016
      • RAQ:  Issue 130

        Who Killed the Component?

        Issue 130, June 2016
      • RAQ:  Issue 129

        Who Ate My dBs?

        Issue 129, May 2016
      • RAQ:  Issue 128

        Citius, Altius, Fortius

        Issue 128, April 2016
      • RAQ:  Issue 127

        Kalman or FIR Filter for My IMU?

        Issue 127, March 2016
      • RAQ:  Issue 126

        When Second Sources Aren't

        Issue 126, February 2016
      • RAQ:  Issue 125

        O CMRR, CMRR! Wherefore Art Thou CMRR?

        Issue 125, January 2016
      • RAQ:  Issue 124

        Missing Half the Signal

        Issue 124, December 2015
      • RAQ:  Issue 123

        Unused Pins

        Issue 123, November 2015
      • RAQ:  Issue 122

        The Truth About Voltage Feedback Resistors

        Issue 122, October 2015
      • RAQ:  Issue 121

        Unfiltered Analog

        Issue 121, September 2015
      • RAQ:  Issue 120

        Voltage References Can Bite You, Too

        Issue 120, August 2015
      • RAQ:  Issue 119

        The Ingenious Gentleman and the Mysterious Paddle

        Issue 119, July 2015
      • RAQ:  Issue 118

        Mystery Spur Explained: Don't Blame the DDC!

        Issue 118, June 2015
      • RAQ:  Issue 117

        Murphy Rules!

        Issue 117, May 2015
      • RAQ:  Issue 116

        Muntzing can save cost, components, and even your sanity

        Issue 116, April 2015
      • RAQ:  Issue 115

        Isn’t that gain specification a bit lopsided?

        Issue 115, March 2015
      • RAQ:  Issue 114

        Choosing Voltage References

        Issue 114, February 2015
      • RAQ:  Issue 113

        Don’t Get Caught Speeding

        Issue 113, January 2015
      • RAQ:  Issue 112

        Exposed Paddles and Downbonds Improve Performance and Reduce Pin Count

        Issue 112, December 2014
      • RAQ:  Issue 111

        Choosing Analog ICs

        Issue 111, November 2014
      • RAQ:  Issue 110

        I Grew Up in the 80s and Survived!

        Issue 110, October 2014
      • RAQ:  Issue 109

        ADCs for High Dynamic Range – Successive-Approximation or Sigma-Delta?

        Issue 109, September 2014
      • RAQ:  Issue 108

        LEDs are Photodiodes Too

        Issue 108, August 2014
      • RAQ:  Issue 107

        The Diamond Plot

        Issue 107, July 2014
      • RAQ:  Issue 106

        Overranged Converter Recovers Quickly

        Issue 106, June 2014
      • RAQ:  Issue 105

        Discretion is the better part…

        Issue 105, May 2014
      • RAQ:  Issue 104

        Looking for Trouble in All the Wrong Places

        Issue 104, April 2014
      • RAQ:  Issue 103

        Programmable ADC Input Range Provides System Benefits

        Issue 103, March 2014
      • RAQ:  Issue 102

        Defying Scrooge

        Issue 102, February 2014
      • RAQ:  Issue 101

        Bits Per Second Make My Head Hertz

        Issue 101, January 2014
      • RAQ:  Issue 100

        RAQs: 100 Issues and Counting

        Issue 100, December 2013
      • RAQ:  Issue 99

        Overrange Flag Indicates Data Validity

        Issue 99, November 2013
      • RAQ:  Issue 98

        Design Tools and Support Communities Make Analog Fun, not Fearful

        Issue 98, October 2013
      • RAQ:  Issue 97

        EngineerZone Makes Getting Answers a Breeze

        Issue 97, September 2013
      • RAQ:  Issue 96

        Soft Clipping vs. Hard Clipping

        Issue 96, August 2013
      • RAQ:  Issue 95

        Do-it-Yourself ASICs

        Issue 95, July 2013
      • RAQ:  Issue 94

        Crystal Radio Sets and Op Amps—Both Can Detect RF Signals

        Issue 94, June 2013
      • RAQ: Issue 93

        Input Magic—Differential Signals Allow Input Swing to Exceed Supply Voltage

        Issue 93, May 2013
      • RAQ:  Issue 92

        Multipliers and Modulators

        Issue 92, April 2013
      • RAQ:  Issue 91

        Noise Gain vs. Signal Gain

        Issue 91, March 2013
      • RAQ:  Issue 90

        Resolution vs. ENOB – Still Hazy After All These Years

        Issue 90, February 2013
      • RAQ:  Issue 89

        Electronics is Fun

        Issue 89, January 2013
      • RAQ:  Issue 88

        The Decline of Rounding—or How Significant is Significance?

        Issue 88, December 2012
      • raq-issue-87

        Apples and Oranges—Correlating Specifications Requires Common Test Conditions

        Issue 87, November 2012
      • raq-issue-86

        Current Transformers—and Vacuum Cleaners

        Issue 86, October 2012
      • raq-issue-85

        Great Expectations Come From Basic Understandings

        Issue 85, September 2012
      • raq-issue-84

        Driving Miss ADC

        Issue 84, August 2012
      • raq-issue-83

        Dual Op Amps and Double Agents

        Issue 83, July 2012
      • raq-issue-82

        Transformers: They’re Not All Boat Anchors

        Issue 82, June 2012
      • raq-issue-81

        Switching Bits

        Issue 81, May 2012
      • raq-issue-80

        The Electromotive Force and Op Amps

        Issue 80, April 2012
      • RAQ:  Issue 79

        Nobody is Perfect – Not Even an Engineer!

        Issue 79, March 2012
      • RAQ:  Issue 78

        Considerations on High-Speed Converter PCB Design, Part 4: Plane Coupling

        Issue 78, February 2012
      • RAQ:  Issue 77

        Beware of big claims and large numbers.

        Issue 77, January 2012
      • RAQ:  Issue 76

        In and Out – or – Why Have a Capacitor?

        Issue 76, December 2011
      • RAQ:  Issue 75

        Crosstalkin’ Converters

        Issue 75, November 2011
      • RAQ:  Issue 74

        Rotary Potentiometers: There Must Be a Better Option

        Issue 74, October 2011
      • RAQ:  Issue 73

        The Benefits of Ancient Logic

        Issue 73, September 2011
      • RAQ:  Issue 72

        Balancing Phase in High-Speed Converters

        Issue 72, August 2011
      • RAQ:  Issue 71

        Looking for savings in all the wrong places

        Issue 71, July 2011
      • RAQ:  Issue 70

        Do Something with that Unused Pin!

        Issue 70, June 2011
      • RAQ:  Issue 69

        Considerations on High-Speed Converter PCB Design, Part 3: The E-Pad Low Down

        Issue 69, May 2011
      • RAQ:  Issue 68

        A Foolish Question about Op Amps and Capacitors

        Issue 68, April 2011
      • RAQ:  Issue 67

        Measuring the DC Parameters of Op Amps

        Issue 67, March 2011
      • RAQ:  Issue 66

        Considerations on High-Speed Converter PCB Design, Part 2: Power and Ground Planes.

        Issue 66, February 2011
      • RAQ:  Issue 65

        Op Amp Dedicated Feedback Pin Helps Achieve New Levels of Performance.

        Issue 65, January 2011
      • RAQ:  Issue 64

        Oversampling and Undersampling

        Issue 64, December 2010
      • RAQ:  Issue 63

        Considerations on High-Speed Converter PCB Design, Part 1: Power and Ground Planes.

        Issue 63, November 2010
      • RAQ:  Issue 62

        Is amplifier headroom cramping your style?

        Issue 62, October 2010
      • RAQ:  Issue 61

        Make do!

        Issue 61, September 2010
      • RAQ:  Issue 60

        Watch for Those Multiple Clocking Edges!

        Issue 60, August 2010
      • RAQ:  Issue 59

        Is Your Amplifier Disabled, or is it Merely Sleeping?

        Issue 59, July 2010
      • RAQ:  Issue 58

        How to Avoid Burning Cakes

        Issue 58, June 2010
      • RAQ:  Issue 57

        Keeping Your A/D Converter Clocks Jitter Free

        Issue 57, May 2010
      • RAQ:  Issue 56

        Amplifier, attenuator or both?

        Issue 56, April 2010
      • RAQ:  Issue 55

        Taming A/D Converter Power Supplies

        Issue 55, March 2010
      • RAQ:  Issue 54

        Don’t be Mean - be Root Mean Square!

        Issue 54, February 2010
      • RAQ:  Issue 53

        VFB or CFB that is the question!

        Issue 53, January 2010
      • RAQ:  Issue 52

        Bring on the Converter Noise! – Part 2

        Issue 52, December 2009
      • RAQ:  Issue 51

        Bring on the Converter Noise! – Part 1

        Issue 51, November 2009
      • RAQ:  Issue 50

        What’s the big deal about ABSOLUTE MAXIMUM RATINGS?

        Issue 50, October 2009
      • RAQ:  Issue 49

        What’s the (Converter) Frequency Kenneth?

        Issue 49, September 2009
      • RAQ:  Issue 48

        Some Chips Have Moving Parts!

        Issue 48, August 2009
      • RAQ:  Issue 47

        Which carries more weight, a datasheet or SPICE macromodel?

        Issue 47, July 2009
      • RAQ:  Issue 46

        What shall we do with an unused op-amp?

        Issue 46, June 2009
      • RAQ:  Issue 45

        Glass Diodes May See the Light — and Hum

        Issue 45, May 2009
      • RAQ:  Issue 44

        Keeping Common Modes Common

        Issue 44, April 2009
      • RAQ:  Issue 43

        Impedance Measuring Chip Offers Little Resistance to Applications

        Issue 43, March 2009
      • RAQ:  Issue 42

        Are Your Filters Filtering?

        Issue 42, February 2009
      • RAQ:  Issue 41

        What’s in Your Toolbox?

        Issue 41, January 2009
      • RAQ:  Issue 40

        How Big Is It?

        Issue 40, December 2008
      • RAQ:  Issue 39

        What The Heck Are Off-Amps?

        Issue 39, November 2008
      • RAQ:  Issue 38

        Single Supply Amplifiers—They Sound Simple…are they?

        Issue 38, October 2008
      • RAQ:  Issue 37

        Lock Down That Noise — Don’t Let It Escape

        Issue 37, September 2008
      • RAQ:  Issue 36

        The Difference Between Different Differential Amplifiers

        Issue 36, August 2008
      • RAQ:  Issue 35

        Stress Is Bad For You — and For Analog ICs

        Issue 35, July 2008
      • RAQ:  Issue 34

        A Capaciticectomy? Sounds Awfully Painful!

        Issue 34, June 2008
      • RAQ:  Issue 33

        Hysteresis Blocks Magic

        Issue 33, May 2008
      • RAQ:  Issue 32

        Political Correctness and Datasheets

        Issue 32, April 2008
      • RAQ:  Issue 31

        Too Hot or Too Cold May Be Just Right*

        Issue 31, March 2008
      • RAQ:  Issue 30

        Capacitive Sensors: Rugged Enough for the Real World?

        Issue 30, February 2008
      • RAQ:  Issue 29

        Half Full or Half Empty? Thoughts on Capacity.

        Issue 29, January 2008
      • RAQ:  Issue 28

        What's Your Amplifier's Febricity Due to Electricity?

        Issue 28, December 2007
      • RAQ:  Issue 27

        Resistors Have Hidden Depths

        Issue 27, November 2007
      • RAQ:  Issue 26

        Op-Amp Noise can be Deafening Too

        Issue 26, October 2007
      • RAQ:  Issue 25

        Resistor Noise can be Deafening, and Hard to Reduce

        Issue 25, September 2007
      • RAQ:  Issue 24

        Are leaky amps sinking your design?

        Issue 24, August 2007
      • RAQ:  Issue 23

        Should you butcher your circuit or your test gear?

        Issue 23, June 2007
      • RAQ:  Issue 22

        Things (animals and ADCs) are not always what they seem

        Issue 22, May 2007
      • RAQ:  Issue 21

        Breadboarding With Surface Mount ICs

        Issue 21, April 2007
      • RAQ:  Issue 20

        Igor, pass me some supply sequencers!

        Issue 20, March 2007
      • RAQ:  Issue 19

        Observing Maximum Ratings or How to Avoid Forecasts of Doom

        Issue 19, February 2007
      • RAQ:  Issue 18

        Just How Accurate was William Tell, Anyway?

        Issue 18, January 2007
      • RAQ:  Issue 17

        More Chips are Better than One (or the Benefits of Belgian Food)

        Issue 17, December 2006
      • RAQ:  Issue 16

        Replacing Optocouplers with Digital Isolators

        Issue 16, November 2006
      • RAQ:  Issue 15

        How to Age Gracefully and Avoid Sudden Death

        Issue 15, October 2006
      • RAQ:  Issue 14

        Why Good Engineers Use the Best Components

        Issue 14, September 2006
      • RAQ:  Issue 13

        Sigma Delta Converters are Not Really Hard to Understand

        Issue 13, July 2006
      • RAQ:  Issue 12

        How Not to Design Active Filters

        Issue 12, June 2006
      • RAQ:  Issue 11

        Comparators & Op Amps—May They Never Meet

        Issue 11, May 2006
      • RAQ:  Issue 10

        Digital Processing Does Not Always Rule

        Issue 10, April 2006
      • RAQ:  Issue 9

        Grounding Converters

        Issue 9, March 2006
      • RAQ:  Issue 8

        Happy Groundhog Day!

        Issue 8, February 2006
      • RAQ:  Issue 7

        It’s easy to drive an EE to drink—but what drives one to poetry?

        Issue 7, January 2006
      • RAQ:  Issue 6

        Tick-Tock, Tick-Tock

        Issue 6, December 2005
      • RAQ:  Issue 5

        Check the Bias Current

        Issue 5, November 2005
      • RAQ:  Issue 4

        Caveat Emptor!

        Issue 4, October 2005
      • RAQ:  Issue 3

        Isolating the Key Detail

        Issue 3, September 2005
      • RAQ:  Issue 2

        Slow “starting” ADCs

        Issue 2, July 2005
      • RAQ:  Issue 1

        Radio Frequency Interference (or how to get a free lunch at a very good restaurant)

        Issue 1, June 2005
        一级午夜福利免费区