<div class="entry-content">
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 <div class="blog-content">
Understand which op amp parameters matter and how to use them to get more accurate results. 

Special thanks to Arthur Kay from Texas Instruments, Mike Watts and Garritt Foote from NI
 </div>


 <div class="blog-content-chapters">
 <div>
 Chapters:
 </div>
 <ul class="chapters-list">
 <li class="chapters-list-item">00:00What is this video about</li>
 <li class="chapters-list-item">02:22OP AMP Error from offset voltage</li>
 <li class="chapters-list-item">13:00Input bias current</li>
 <li class="chapters-list-item">35:05Gain drift</li>
 <li class="chapters-list-item">45:59Common mode limitations</li>
 <li class="chapters-list-item">1:06:34ADC converters</li>
 <li class="chapters-list-item">1:18:31FDA - Fully differential Amplifier</li>
 <li class="chapters-list-item">1:26:24TPH210 vs. THS4551</li>
 <li class="chapters-list-item">1:33:36300mm wafer advantages</li>
 <li class="chapters-list-item">1:41:04Application of all the things we talked about in a real product - Real measurement</li>
 </div>

 
 <div class="blog-content-links">
 <div>
 Links:
 </div>
 <ul class="links-list">
 <li class="links-list-item"><a href="https://www.ti.com/applications/industrial/test-measurement/overview.html?HQS=multi-tech-inno-precisiontm_tm-show-pp-inf_robert_ni-ww_en_awr">Texas Instruments test and measurement design resources</a></li>
 <li class="links-list-item"><a href="https://www.ni.com/en.html">NI website</a></li>
 <li class="links-list-item"><a href="https://www.ni.com/en/shop/hardware/voltage/model-pxie-4311">NI’s PXIe-4311</a></li>
 <li class="links-list-item"><a href="https://www.linkedin.com/in/arthur-kay-a5201929">Arthur's LinkedIn</a></li>


 <li class="links-list-item"><a href="https://fedevel.com/assistant">Ask your questions about electronics here</a></li>
 <li class="links-list-item"><a href="https://fedevel.com/hw-assistant">Easy search through my videos</a></li>
 <li class="links-list-item"><a href="https://fedevel.com/courses">Learn more about electronics, check out our online courses</a></li>
 </ul>
 </div> 
</div>

6 Reasons Your Op Amp Signal Looks Bad

<div class="entry-content">
 <div class="jetpack-video-wrapper"><iframe src="https://www.youtube.com/embed/wr6tCdBrHD0" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe>
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From idea to real hardware product: what it really takes to design, build, and ship hardware. Matt Liberty shares his journey building Joulescope.
 </div>


 <div class="blog-content-chapters">
 <div>
 Chapters:
 </div>
 <ul class="chapters-list">
 <li class="chapters-list-item">00:00What is this video about</li>
 <li class="chapters-list-item">00:53Is your idea good?</li>
 <li class="chapters-list-item">07:50How did Matt come up with the idea and made it happen?</li>
 <li class="chapters-list-item">24:53What is Joulescope</li>
 <li class="chapters-list-item">27:12Keep improving your product</li>
 <li class="chapters-list-item">30:51Hardware Design Process</li>
 <li class="chapters-list-item">35:25IP Protection</li>
 <li class="chapters-list-item">45:50JS320 Prototypes</li>
 <li class="chapters-list-item">50:17How to price your product</li>
 <li class="chapters-list-item">51:38Development cost</li>
 <li class="chapters-list-item">52:57Build cost</li>
 <li class="chapters-list-item">01:01:22Channel cost</li>
 <li class="chapters-list-item">01:16:50Running the business cost</li>
 <li class="chapters-list-item">01:22:08Obligations cost</li>
 <li class="chapters-list-item">01:29:24Supply chain & Manufacturing</li>
 <li class="chapters-list-item">01:36:41Marketing</li>
 <li class="chapters-list-item">01:43:04Sales</li>
 <li class="chapters-list-item">01:46:49Support</li>
 <li class="chapters-list-item">01:56:17Contact Matt</li>
 <li class="chapters-list-item">01:56:58Measuring with Joulescope</li> 
 </div>

 
 <div class="blog-content-links">
 <div>
 Links:
 </div>
 <ul class="links-list">
 <li class="links-list-item"><a href="https://www.linkedin.com/in/mattliberty/">Matt's LinkedIn</a></li>
 <li class="links-list-item"><a href="https://www.joulescope.com/">Matt's website</a></li>
 <li class="links-list-item"><a href="https://fedevel.com/assistant">Ask your questions about electronics here</a></li>
 <li class="links-list-item"><a href="https://fedevel.com/hw-assistant">Easy search through my videos</a></li>
 <li class="links-list-item"><a href="https://fedevel.com/courses">Learn more about electronics, check out our online courses</a></li>
 </ul>
 </div> 
</div>

Making Hardware Is Harder Than It Looks

<div class="entry-content">
 <div class="jetpack-video-wrapper"><iframe src="https://www.youtube.com/embed/W0bmmF1wTEs" class="youtube-player" width="740" height="416.418" frameborder="0" allowfullscreen></iframe>
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You will learn how to draw schematic, do PCB layout and manufacture your board. You will design an useful USB-C PD Power supply based on CH224A / CH224Q chip.
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 <div class="blog-content-chapters">
 <div>
 Chapters:
 </div>
 <ul class="chapters-list"> 
 <li class="chapters-list-item">00:00What you will design in this tutorial</li>
 <li class="chapters-list-item">00:56Starting a new project</li>
 <li class="chapters-list-item">03:34Adding CH224A</li>
 <li class="chapters-list-item">05:06Updating Schematic symbol</li>
 <li class="chapters-list-item">08:25Adding 1uF Capacitor</li>
 <li class="chapters-list-item">11:36Adding USB-C Connector</li>
 <li class="chapters-list-item">15:41Adding USB Protection</li>
 <li class="chapters-list-item">18:05Adding 100nF</li>
 <li class="chapters-list-item">19:40Adding 1k Resistor</li>
 <li class="chapters-list-item">20:46Marking component NF (Not Fitted)</li>
 <li class="chapters-list-item">23:20Adding 10k Resistor</li>
 <li class="chapters-list-item">25:40Adding 6.8k Resistor</li>
 <li class="chapters-list-item">28:10Adding 100k Resistor</li>
 <li class="chapters-list-item">29:54Adding Switches</li>
 <li class="chapters-list-item">36:46Adding 3.3V LDO</li>
 <li class="chapters-list-item">43:15Adding Error LED</li>
 <li class="chapters-list-item">44:47Adding MOSFET Transistor 2N7002</li>
 <li class="chapters-list-item">46:11Adding Output Connector</li>
 <li class="chapters-list-item">49:28Adding Voltage LED Indicators</li>
 <li class="chapters-list-item">52:36Adding Multiplexer MC14051B</li>
 <li class="chapters-list-item">59:41Adding I2C Header</li>
 <li class="chapters-list-item">01:02:27Creating your own component - Mounting Holes</li>
 <li class="chapters-list-item">01:06:31Annotating Schematic</li>
 <li class="chapters-list-item">01:07:51Running DRC Check</li>
 <li class="chapters-list-item">01:08:05Importing Schematic to PCB</li>
 <li class="chapters-list-item">01:08:49Adding Board Outline</li>
 <li class="chapters-list-item">01:09:43Placing components</li>
 <li class="chapters-list-item">01:23:11Setting up PCB Design Rules</li>
 <li class="chapters-list-item">01:24:27Setting up Stackup (4 Layer PCB)</li>
 <li class="chapters-list-item">01:25:04PCB Layout</li>
 <li class="chapters-list-item">01:51:14Swapping pins in PCB</li>
 <li class="chapters-list-item">01:53:13Routing USB and Calculating Impedance</li>
 <li class="chapters-list-item">01:58:56Running DRC Check</li>
 <li class="chapters-list-item">02:00:51Replacing CH224A for CH224Q</li>
 <li class="chapters-list-item">02:12:11Adding Copper Pours</li>
 <li class="chapters-list-item">02:18:16Copper Region Priority</li>
 <li class="chapters-list-item">02:20:15Updating track width to 50 OHM impedance</li>
 <li class="chapters-list-item">02:21:16Adjusting Silkscreen - TOP</li>
 <li class="chapters-list-item">02:32:59Adjusting Silkscreen - BOTTOM</li>
 <li class="chapters-list-item">02:38:15Adding LOGO</li>
 <li class="chapters-list-item">02:39:15Adding GOLD LOGO</li>
 <li class="chapters-list-item">02:41:01Adjusting GND under Exposed Pad</li>
 <li class="chapters-list-item">02:44:11Generating Outputs for Manufacturing</li>
 <li class="chapters-list-item">02:45:14Generating and checking Gerber files</li>
 <li class="chapters-list-item">02:48:11Generating BOM (Bill of Material)</li>
 <li class="chapters-list-item">02:49:17Generating Pick & Place file</li>
 <li class="chapters-list-item">02:50:39Ordering PCB and Assembly</li>
 <li class="chapters-list-item">02:57:30Finished boards</li>
 <li class="chapters-list-item">02:59:10Testing our Board</li>
 <li class="chapters-list-item">03:01:07Testing I2C and Any Output Voltage</li>
 <li class="chapters-list-item">03:05:49Where to find and download the project files</li>
 <li class="chapters-list-item">03:07:06Thank you very much for watching</li>
 </div>

 
 <div class="blog-content-links">
 <div>
 Links:
 </div>
 <ul class="links-list">
 <li class="links-list-item"><a href="https://github.com/FEDEVEL/usbc-advanced-power-supply">Download all the files from here</a></li>
 <li class="links-list-item"><a href="https://oshwlab.com/robertferanec/project_pkwivpyj">Open schematic and PCB directly here</a></li>
 <li class="links-list-item"><a href="https://download.joulescope.com/products/JS320/JS320-K000/3d_ti/index.html">Joulescope 3D view</a></li>
 <li class="links-list-item"><a href="https://fedevel.com/assistant">Ask your questions about electronics here</a></li>
 <li class="links-list-item"><a href="https://fedevel.com/hw-assistant">Easy search through my videos</a></li>
 <li class="links-list-item"><a href="https://fedevel.com/courses">Learn more about electronics, check out our online courses</a></li>
 </ul>
 </div> 
</div>

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6 Reasons Your Op Amp Signal Looks Bad

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6 Reasons Your Op Amp Signal Looks Bad

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