Measuring an Inductor with DC Bias
This video shows an example of using a line injector and oscilloscope to measure frequency dependent inductance with a 1 A DC Bias current applied to the inductor.
Power supplies include inductors both in the input and output filters. The effective inductance of these components can be significantly reduced at high operating current, resulting in increased ripple and EMI. Testing with a DC bias can help you understand an inductor’s in-circuit performance.
Source:
· Arbitrary/Function Generator (built into 6 Series MSO)
· Bench power supply
· Picotest J2121A High Power Line Injector
Measure:
· 6 Series MSO Oscilloscope
For more information visit: https://www.tek.com/oscilloscope/6-series-mso-mixed-signal-oscilloscope
Videos recorded by:
Tony Ambrose, Application Engineer, Tektronix
Steve Sandler, Founder and CEO of https://www.picotest.com/
Видео Measuring an Inductor with DC Bias канала Tektronix
Power supplies include inductors both in the input and output filters. The effective inductance of these components can be significantly reduced at high operating current, resulting in increased ripple and EMI. Testing with a DC bias can help you understand an inductor’s in-circuit performance.
Source:
· Arbitrary/Function Generator (built into 6 Series MSO)
· Bench power supply
· Picotest J2121A High Power Line Injector
Measure:
· 6 Series MSO Oscilloscope
For more information visit: https://www.tek.com/oscilloscope/6-series-mso-mixed-signal-oscilloscope
Videos recorded by:
Tony Ambrose, Application Engineer, Tektronix
Steve Sandler, Founder and CEO of https://www.picotest.com/
Видео Measuring an Inductor with DC Bias канала Tektronix
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