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most recent messages 5/22/2013 3:51:57 PM antedeluvian There is another site I forgot to mention http://www.datasheetarchive.com/ blogs message boards chat An Instrument on a Chip? A Look Back Dennis Feucht, Electronics Engineer, 5/22/2013 Comment now 1 Comment The story of analog integration in test instruments is long, storied, and rife with names renowned in the annals of analog design who innovated upon each others' design to realize the foundation of today's circuits. So what is the state of integration of the analog circuitry in test instruments? Measurement on a chip started long ago and continues ... Most recent post, Dirceu Rodrigues Jr, 5/22/2013 11:29:36 AM I wonder how the FPAA (field-programmable analog array) technology... SiC Power Inversion Chips for PV & EVs Brian Coppa, Director, Coppa Consulting, 5/21/2013 Comment now 1 Comment Uncertainty hangs over the market for power devices made with the wide-bandgap semiconductor SiC (silicon carbide), due to uncertainty as to when EVs (electric vehicles) will adopt them for various applications under the hood, according to a recent study by analyst firm Yole Développement. Most recent post, Dirceu Rodrigues Jr, 5/22/2013 11:14:56 AM The first time I heard about an application for Silicon Carbide... Field Programmable Analog & Gallium Arsenide Scott Elder, Senior Analog IC Design Consultant, 5/21/2013 Comment now 3 comments "Gallium Arsenide (GaAs) is the silicon of the future. Is and always will be." That was the humorous perspective circulating among analog technologists in the late 1980s. In a similar vein, I can't count the number of times I've had people ask me when will the world see a field programmable analog array (FPAA) -- the analog counterpart to the digital ... Most recent post, analoging , 5/21/2013 7:03:52 PM Nice overview of the history and evolution of this technology. Motorola begin breaking... Operations per Joule Brian Bailey, Independent Consultant, 5/20/2013 Comment now 7 comments It has been estimated that the human brain performs 3.6x1015 synaptic operations per second and, from blood flow and oxygen consumption, consumes 12W. That means it manages 3x1014 operations per Joule, yet it is made up of slow and noisy components. Most recent post, rfindley, 5/22/2013 11:00:06 AM In the latest issue (June 2013) of Discover magazine, there is an article "Mind... Using ICs in the Land Beyond Their App-Notes Derek Koonce, Owner, DDK Interactive Consulting Services, 5/20/2013 Comment now 4 comments Designing circuits is the fun part of engineering. And, as has been often noted here on Planet Analog, finding solutions to problems is what keeps an engineer employed. As an engineer, it is necessary to work with the parts available to meet design criteria. This sometimes necessitates using a part for a purpose for which it was not intended. Most recent post, MEMScD, 5/22/2013 12:43:43 PM Ah ha! I misunderstood the premise of the design. Thanks for clarification,... Thermocouple Nodules, Cold Junctions & Integration Opportunities Dennis Feucht, Electronics Engineer, 5/17/2013 Comment now 11 comments When measurement instruments reach their specified performance limits, one comes to a gray zone separating reality from fantasy. Thanks to sensors, this zone is widening. Most recent post, Dirceu Rodrigues Jr, 5/22/2013 2:14:45 PM I worry if developers involved with temperature related instruments,... When Are You Done With Verification? Brian Bailey, Independent Consultant, 5/17/2013 Comment now 6 comments In the everyday world that we live in, there is a common saying that says, "Measure twice, cut once". Clearly this is trying to stress the importance of checking things before you take action and that if you are sloppy with the measurement, then it can lead to expensive mistakes. Most recent post, analoging , 5/21/2013 7:10:44 PM The point was focused on the increasing trend of outsourcing of fab production for... When the Going Gets Tough... Brian Bailey, Independent Consultant, 5/16/2013 Comment now 5 comments Moore's Law has been driving digital integration for a few decades, and it provides a circular reinforcement. Being able to create smaller devices means that more can be placed on a die. This provides added functionality, decreases costs per device, and makes demand for the end product larger. This spurs another round of integration and geometry reduction. Most recent post, Dirceu Rodrigues Jr, 5/21/2013 5:14:16 PM Reduce resistances in the signal path, in order to minimize the Johnson... (Dis)Integrating Power Consumption, Counterintuitively Len Sherman, Senior Scientist, Maxim Integrated, 5/16/2013 Comment now 10 comments The present mobile era may be best characterized by its unrelenting pressure to reduce power consumption. Each generation of consumer electronics must offer more functionality while maintaining or extending runtime. Initially, efficiency improvements were the Holy Grail, at least from a power management viewpoint, but the process of engineering ... Most recent post, Brad Albing, 5/21/2013 5:44:55 PM Well, besides the fear of running the 250V around, you may also incur additional... Crack Open One of These Books, Part 2 Brad Albing, Editor in Chief, 5/16/2013 Comment now 5 comments Following up on Part 1 of my look at some favorite engineering books -- which followed Bill Schweber's blog about cracking open a design book -- let's consider a few more that provided solid engineering information. Most recent post, Andy_I, 5/22/2013 3:04:45 PM Loved the Radiotron Designer's Handbook. It started me getting more RCA books... Prevent Your Next High-Flying Product Launch From Being Grounded Willie Chan, Sr. Product Marketing Engineer, Linear Technology, 5/16/2013 Comment now 1 Comment The widening gap between the 24V-to-28V intermediate bus commonly found in industrial, aerospace, and defense systems and the input supply voltages of modern digital processors presents design risk that could easily result in system failure, noxious smoke, or, even worse, a fire. Most recent post, eafpres, 5/16/2013 11:36:37 AM Hi Willie--interesting post and situation created by the evolution of voltage standards... Next 5 blogs+ All blogs All blogs most commented 11 Thermocouple Nodules, Cold Junctions & Integration Opportunities Dennis Feucht, Electronics Engineer, 5/17/2013 10 (Dis)Integrating Power Consumption, Counterintuitively Len Sherman, Senior Scientist, Maxim Integrated, 5/16/2013 7 Operations per Joule Brian Bailey, Independent Consultant, 5/20/2013 6 When Are You Done With Verification? Brian Bailey, Independent Consultant, 5/17/2013 5 When the Going Gets Tough... Brian Bailey, Independent Consultant, 5/16/2013 blog roll message boards chat 5/22/2013 3:51:57 PM Re: Old databook pics.: There is another site I forgot to mention http://www.datasheetarchive.com/ antedeluvian on Crack Open One of These Books, Part 1 5/22/2013 3:04:45 PM Re: Another good book: Loved the Radiotron Designer's Handbook. It started me getting more RCA books and I ended up with many others, including books about the (then) relatively obscure thing called COS/MOS. Hated Tremaine's Audio Cyclopedia. Chock full... Andy_I on Crack Open One of These Books, Part 2 5/22/2013 2:52:27 PM Re: Old databook pics.: Checked out the site. Many items bring back memories - Osborne, Prime, IBM 370, etc. Though mostly digital information, still good and relevant. I have bookmarked the site. Now to start scanning in my old analog book stuff - in my copius spare... RedDerek on Crack Open One of These Books, Part 1 5/22/2013 2:14:45 PM Error propagation: I worry if developers involved with temperature related instruments, especially the low cost ones, actually do all that end to end error propagation analysis (sensitivity, mean square, derivatives,...) - from... Dirceu Rodrigues Jr on Thermocouple Nodules, Cold Junctions & Integration Opportunities 5/22/2013 12:43:43 PM Re: Is the schematic correct?: Ah ha! I misunderstood the premise of the design. Thanks for clarification, and again, that's clever use of the boost switcher. MEMScD on Using ICs in the Land Beyond Their App-Notes 5/22/2013 12:06:42 PM Re: Old databook pics.: RedDerek maybe Brad can see about finding a nice spot here on Planet Analog to be a depository of the scanned books. As I said, I tried several places- maybe the time is right. FWIW these guys have some data, although the lean towards old... antedeluvian on Crack Open One of These Books, Part 1 5/22/2013 11:43:59 AM Re: Still listening to some AM Radio: audiocal, I think all political opinions (regardless of which side) should remain off sites like this one. Let's keep to technical talk. TheMeasurementBlues on AM Radio: The Beat Goes On (For a Little Bit Longer) 5/22/2013 11:37:41 AM Re: Old databook pics.: There have been times I was looking for old datasheets and now they are on the web at a few sites. Having the books up would be great because of the classic, but still practical knowledge in many of them. Since this is an analog forum, maybe... RedDerek on Crack Open One of These Books, Part 1 5/22/2013 11:29:36 AM Home made analog intruments: I wonder how the FPAA (field-programmable analog array) technology has advanced. It would be a way to build a medium quality home-made analog instrument? The degree of integration reduce thermal noise in the low... Dirceu Rodrigues Jr on An Instrument on a Chip? A Look Back 5/22/2013 11:22:14 AM Re: Your Scanned Collection: Wayne Send me a PM for an e-mail address. You can't PM here unfortunately so here goes: my address is akagan at emphatec dot com antedeluvian on Crack Open One of These Books, Part 1 5/22/2013 11:22:10 AM Re: Is the schematic correct?: Schematics are correct since they were taken from the functional schematics that were used for board design at the time. Second one is moving to production. I am sure they did not see this use of the LED driver at the time. This is why I used... RedDerek on Using ICs in the Land Beyond Their App-Notes 5/22/2013 11:14:56 AM Re: SiC Power Inversion Chips for PV & EVs: The first time I heard about an application for Silicon Carbide in power semiconductors, was in a ST seminar a few years ago (about a SiC diode). I wonder how things evolved from there, for example, regarding the... Dirceu Rodrigues Jr on SiC Power Inversion Chips for PV & EVs Next 5 messages+ All messages All messages blog roll message boards chat 4/11/2013 4:14:10 PM Join us for a chat: Imparting knowledge sometimes lost in the past to our fellow engineers: So I found these awesome Current Sensors but I don't know how effective they are. Help! here's the link <a href="http://www.magnelab.com/products/Current-Voltage-Sensors/three-phase-ropect%C2%AE-ac-current-sensor-rogowski-coil-rcs-1800">rogowski... SGreenovich Newbie 1/16/2013 2:20:07 PM Join us for a chat: Imparting knowledge sometimes lost in the past to our fellow engineers: Good closing comment Steve. Thanks Steve and Bruce for joining the chat. Brad Albing Blogger 1/16/2013 2:16:59 PM Join us for a chat: Imparting knowledge sometimes lost in the past to our fellow engineers: Gotta run guys---I really would love to do this again! I'm off to a conference call to pick the brain of another expert for an upcoming article---Once we think we know everything and cannot learn anything new----we are lost! SteveTaranovich Blogger 1/16/2013 2:13:49 PM Join us for a chat: Imparting knowledge sometimes lost in the past to our fellow engineers: Farhood Moraveji, technical director at TI commented to me, "Kludge boxes were a necessity in that test equipment did not exist that could measure the performance of the IC. These boxes often used some clever measurement tricks, which would... SteveTaranovich Blogger 1/16/2013 2:09:46 PM Join us for a chat: Imparting knowledge sometimes lost in the past to our fellow engineers: Erroll Dietz said this about early IC designers, "Using design rules that they made up as they went along, these designers worked from transistor-kit parts, used copper-clad breadboards with sockets as design tools, and employed discrete resistors... SteveTaranovich Blogger 1/16/2013 2:07:26 PM Join us for a chat: Imparting knowledge sometimes lost in the past to our fellow engineers: Right---"Figuring things out" shows good engineering thinking---I like that approach from that blog SteveTaranovich Blogger 1/16/2013 2:03:41 PM Join us for a chat: Imparting knowledge sometimes lost in the past to our fellow engineers: You might be interested in this blog, back a few months... http://e2e.ti.com/blogs_/b/thesignal/archive/2012/09/24/interview-questions-memorable-times-on-both-sides.aspx Bruce Trump Newbie 1/16/2013 2:03:11 PM Join us for a chat: Imparting knowledge sometimes lost in the past to our fellow engineers: Experience and practice under the tutelage of a good mentor is critical SteveTaranovich Blogger 1/16/2013 2:02:33 PM Join us for a chat: Imparting knowledge sometimes lost in the past to our fellow engineers: It's difficult to teach an engineer to have an intuitive understanding. Brad Albing Blogger 1/16/2013 2:01:34 PM Join us for a chat: Imparting knowledge sometimes lost in the past to our fellow engineers: Synthesis ability comes from real experience and practice that they don't get at undergrad level. The genesis, I believe, is an intuitive understanding of how circuits work. Bruce Trump Newbie Next 5 chats+		Hello. We were unable to find the address you requested. You may search for the content you are seeking using our search form or email technical support with any questions. flash poll All polls educational resources sponsored content by our sponsors Analog Latch, One-Shot Circuits Operate with Close to Zero Power Industrial Systems Need the Added Protection of Security ICs Intelligent Lighting Controller Measures Ambient Light and Tracks Time Map Colors of a CIE Plot and Color Temperature Using an RGB Color Sensor ISM Transmitter Has Constant Transmitter Power for Varying Supply Voltage Adding Autorestart Capability to the MAX16046 EEPROM-Programmable System Manager Signal Conditioning for a Sigma-Delta ADC in Industrial Multichannel Data Acquisition Systems information resources sponsored content by our sponsors 24-Bit Sigma-Delta ADC Reduces the Requirement for an Analog Front-End (AFE) for ECG/EKG Trade-Offs in Analog IC Performance, Or Challenges When You Integrate More Analog onto a Digital Design Simplify AISG Control Systems by Integrating the Hardware Discrete Transceiver All resources follow Planet Analog on Twitter like us on facebook our partners

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