MEP EP#293: Tom Anderson, the Gold Ear Sympathetic

<h4><a href="https://macrofab.com/blog/mep-ep293-tom-anderson-the-gold-ear-sympathetic">MEP EP#293: Tom Anderson, the Gold Ear Sympathetic</a><br></h4><h4><a href="https://twitter.com/tomacorp" target="_blank" rel="noopener">Tom Anderson</a></h4> <ul> <li>An old-timer engineer working from HP/Agilent/Keysight</li> <li>Currently still employed at Keysight</li> <li>Volunteering at Alembic, where he designs electronics for bass guitars</li> <li>Career includes: <ul> <li>Design of firmware</li> <li>Digital</li> <li>Analog</li> <li>Microwave</li> <li>Optical</li> <li>Power supplies</li> <li>Software</li> <li>Information systems</li> </ul> </li> </ul> <h4>Metrology and You</h4> <ul> <li><span style="font-size: 12pt; font-family: georgia, palatino, serif;"><b>Do I need to worry about all of this? (as a hobbyist, is accuracy important?)-</b></span></li> <li><span style="font-size: 12pt; font-family: georgia, palatino, serif;"><b>Measure with micrometer...</b></span></li> <li><span style="font-size: 12pt; font-family: georgia, palatino, serif;"><b>Taking Measurements</b></span> <ul> <li><span style="font-size: 12pt; font-family: georgia, palatino, serif;">voltage, current, resistance, inductance, capacitance, Q, frequency, time, noise, RF/microwave</span></li> <li><span style="font-size: 12pt; font-family: georgia, palatino, serif;">Measurement Uncertainty</span> <ul> <li><span style="font-size: 12pt; font-family: georgia, palatino, serif;">+/- 0.1dB specification - what can go wrong?</span></li> </ul> </li> </ul> </li> <li><span style="font-size: 12pt; font-family: georgia, palatino, serif;"><b>How do you make things more accurate?</b></span> <ul> <li><span style="font-size: 12pt; font-family: georgia, palatino, serif;">System engineering - when the boards are put together, does the system work?</span></li> <li><span style="font-size: 12pt; font-family: georgia, palatino, serif;">Testing the idea that multiple resistors are tighter tolerance than single</span> <u