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Teardown: HP 8112A pulse generator
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This 50 MHz pulse generator was built as solid as a rock. It’s almost all metal. We take the unit completely apart and look at it from a system and board level. On a visit to the MIT swapfest in 2024, I came across an HP 8112A 50 MHz pulse generator. For $20, I brought...
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See the solid construction
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Understanding ADC specs and architectures: part 3
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Integral nonlinearity tracks the cumulative effects of an ADC’s differential nonlinearity. In part 2 of this series, we discussed several sources of error in an analog-to-digital converter (ADC), including gain, offset, missing-code error, and differential nonlinearity (DNL). We concluded with an illustration of a waveform with varying levels of DNL superimposed on the staircase representing...
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Read part 3
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LEMO’s High-Frequency Connectors for Precision Testing
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LEMO’s M Series Multi-Coaxial Connectors deliver up to 26.5 GHz with outstanding signal integrity and minimal signal loss. Designed for high-density, high-performance test environments where rugged reliability, precision, compact integration, and long-term durability are critical to measurement accuracy and system performance.
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Learn more here
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Understanding ADC specs and architectures: part 4
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The AC performance of an analog-to-digital converter depends on its architecture. In part 3 of this series, we discussed the integral nonlinearity (INL) error of an analog-to-digital converter (ADC), noting that gain, offset, and INL error all contribute to the total unadjusted error. This metric provides an overall view of an ADC’s DC performance.
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Read part 4
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Product tryout: Tektronix 4 Series B oscilloscope
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EE World gets its hands dirty on the latest Tektronix 4 Series B oscilloscope. So many features, so little time. When Tektronix gave the press a preview of the 4 Series B 12-bit mixed-signal oscilloscope and TekScope software, I asked to try the software. Days later, the real thing arrived in a transit case.
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See our review
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Uncover Hidden E-Motor Defects with Marposs
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As electric vehicles become more commonplace, ensuring e-motor reliability is crucial. The Partial Discharge Testing method from Marposs, detects hidden defects in wire insulation that is often missed by traditional tests, ultimately improving motor lifespan and customer satisfaction.
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Learn More
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Webinar: HIL for EV Powertrain Controller Testing
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Are you a test engineer who wants to accelerate ECU testing for electric vehicle (EV) powertrains and their traction motors, battery packs, and charging systems? We will guide you step-by-step through an ISO 26262 certification workflow for functional safety. The workflow streamlines ECU development using digital twins of EV powertrains and hardware-in-the-loop (HIL) test benches.
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Register now
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