Magnetics Business & Technology - Summer 2012 - (Page 5)

Magnetic Sensors HG-372A Dual Hall Elements • 0 to 360°Angle Measurement • Very Low Current: <1mA at 3V, Ultra Low Current with Reduced Duty Cycle • 5k ohm Potentiometer Replacement • Small size: SIP 2.35 x 2.7 x 0.95mm For Non-Contact Angle Sensing 1 Normalized Output Vy Vx 0.75 0.5 0.25 0 -0.25 -.05 -.075 -1 0 45 90 0 135 180 225 270 315 360 Mechanical Rotation in Degrees EQ-7XX Linear Hall IC • • • • • Limited Range Angle Sensor, ±30° 3V to 5.5V Operation 2.5µsec Response time Very low Noise: ~75µT p-p in ±125mT fs Small size: SMD 4.4 x 3.6 x 1.2mm SIP 4.1 x 3.0 x 1.15mm Normalized Output 1.0 Linear 0.8 Range 0.6 0.4 0.2 0.0 -0.2 -0.4 -0.6 -0.8 -1.0 -180 -150 -120 -90 -60 -30 0 30 60 90 120 150 180 Angle of Rotation EW-750B Unipolar Switch • Precise Angle Location for End of Travel or Top Dead Center T • Small size: SIP 4.1 x 3.0 x 1.15mm T Two EW-750B Switches Mounted c Back to Back k S N VA VB VA + VB VA VB AK-8775 Pulse Encoder Angle IC • • • • • Single Device for Vertical and In-Plane Field Provides Quadrature A/B Outputs Small SOP-4 Package 1.6V to 5.5V Operation AK-8776 Version Provides Direction and Frequency Outputs • Small size: 2.1 x 2.1 x 0.75mm. 4-Pin VB VA VA VB EM-3242 Absolute, Linear Angle IC • • • • • • 0 to 360° Angle Measurement Linear Ratiometric Output No Programming or Calibration 3V, 10mA max, 1µA in Sleep Mode >8k rpm Rotation Speed Small size: 3.6 x 4.2 x 0.95mm. 6-Pin Vout (Volt) 3 2.7 2.4 2.1 1.8 1.5 1.2 0.9 0.6 0.3 0 Vcc = 3.0V 0 45 90 135 180 225 270 315 360 Clockwise Angle in Degrees GMW Associates • www.gmw.com http://www.gmw.com http://www.gmw.com

Table of Contents for the Digital Edition of Magnetics Business & Technology - Summer 2012

Magnetics Business & Technology - Summer 2012
Editor's Choice
Injection Molded Magnets for Electrical Machines
The Process of Developing and Testing a New Transformer
Rare Earths & Corporate Social Responsibility
Research & Development
RE-use, RE-duce, RE-cycle, RE-place
Magnets • Materials • Measurement
Application • Component Developments
Industry News
Rare Earth Crisis Dissected: Securing the Future
Marketplace
Advertising Index
Spontaneous Thoughts: The End of Axial Pressing?

Magnetics Business & Technology - Summer 2012

Magnetics Business & Technology - Summer 2012 - (Page Intro)
Magnetics Business & Technology - Summer 2012 - Magnetics Business & Technology - Summer 2012 (Page Cover1)
Magnetics Business & Technology - Summer 2012 - Magnetics Business & Technology - Summer 2012 (Page Cover2)
Magnetics Business & Technology - Summer 2012 - Magnetics Business & Technology - Summer 2012 (Page 3)
Magnetics Business & Technology - Summer 2012 - Editor's Choice (Page 4)
Magnetics Business & Technology - Summer 2012 - Editor's Choice (Page 5)
Magnetics Business & Technology - Summer 2012 - Injection Molded Magnets for Electrical Machines (Page 6)
Magnetics Business & Technology - Summer 2012 - Injection Molded Magnets for Electrical Machines (Page 7)
Magnetics Business & Technology - Summer 2012 - Injection Molded Magnets for Electrical Machines (Page 8)
Magnetics Business & Technology - Summer 2012 - Injection Molded Magnets for Electrical Machines (Page 9)
Magnetics Business & Technology - Summer 2012 - The Process of Developing and Testing a New Transformer (Page 10)
Magnetics Business & Technology - Summer 2012 - The Process of Developing and Testing a New Transformer (Page 11)
Magnetics Business & Technology - Summer 2012 - The Process of Developing and Testing a New Transformer (Page 12)
Magnetics Business & Technology - Summer 2012 - Rare Earths & Corporate Social Responsibility (Page 13)
Magnetics Business & Technology - Summer 2012 - Rare Earths & Corporate Social Responsibility (Page 14)
Magnetics Business & Technology - Summer 2012 - Rare Earths & Corporate Social Responsibility (Page 15)
Magnetics Business & Technology - Summer 2012 - Research & Development (Page 16)
Magnetics Business & Technology - Summer 2012 - RE-use, RE-duce, RE-cycle, RE-place (Page 17)
Magnetics Business & Technology - Summer 2012 - RE-use, RE-duce, RE-cycle, RE-place (Page 18)
Magnetics Business & Technology - Summer 2012 - RE-use, RE-duce, RE-cycle, RE-place (Page 19)
Magnetics Business & Technology - Summer 2012 - RE-use, RE-duce, RE-cycle, RE-place (Page 20)
Magnetics Business & Technology - Summer 2012 - Magnets • Materials • Measurement (Page 21)
Magnetics Business & Technology - Summer 2012 - Application • Component Developments (Page 22)
Magnetics Business & Technology - Summer 2012 - Application • Component Developments (Page 23)
Magnetics Business & Technology - Summer 2012 - Industry News (Page 24)
Magnetics Business & Technology - Summer 2012 - Rare Earth Crisis Dissected: Securing the Future (Page 25)
Magnetics Business & Technology - Summer 2012 - Rare Earth Crisis Dissected: Securing the Future (Page 26)
Magnetics Business & Technology - Summer 2012 - Rare Earth Crisis Dissected: Securing the Future (Page 27)
Magnetics Business & Technology - Summer 2012 - Rare Earth Crisis Dissected: Securing the Future (Page 28)
Magnetics Business & Technology - Summer 2012 - Advertising Index (Page 29)
Magnetics Business & Technology - Summer 2012 - Spontaneous Thoughts: The End of Axial Pressing? (Page 30)
Magnetics Business & Technology - Summer 2012 - Spontaneous Thoughts: The End of Axial Pressing? (Page Cover3)
Magnetics Business & Technology - Summer 2012 - Spontaneous Thoughts: The End of Axial Pressing? (Page Cover4)
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