A Activity diagram used in UML 6/9 and SysML B Bachman diagram Booch used in software engineering Block diagram Block Definition Diagram BDD used in SysML C Carroll diagram Cartogram Catalytic cycle Chemical equation Curly arrow diagram Category theory diagrams Cause-and-effect diagram Chord diagram Circuit diagram Class diagram from UML 1/9 Collaboration diagram from UML 2.0 Communication diagram from UML 2.0 Commutative diagram Comparison diagram Component diagram from UML 3/9 Composite structure diagram from UML 2.0 Concept map Constellation diagram Context diagram Control flow diagram Contour diagram Cordier diagram Cross functional flowchart D Data model diagram Data flow diagram Data structure diagram Dendrogram Dependency diagram Deployment diagram from UML 9/9 Dot and cross diagram Double bubble map used in education Drakon-chart E Entity-Relationship diagram ERD Event-driven process chain Euler diagram Eye diagram a diagram of a received telecommunications signal Express-G Extended Functional Flow Block Diagram EFFBD F Family tree Feynman diagram Flow chart Flow process chart Flow diagram Fusion diagram Free body diagram G Gantt chart shows the timing of tasks or activities used in project management Grotrian diagram Goodman diagram shows the fatigue data example: for a wind turbine blades H Hasse diagram HIPO diagram I Internal Block Diagram IBD used in SysML IDEF0 IDEF1 entity relations Interaction overview diagram from UML Ishikawa diagram J Jackson diagram K Karnaugh map Kinematic diagram L Ladder diagram Line of balance Link grammar diagram M Martin ERD Message Sequence Chart Mind map used for learning, brainstorming, memory, visual thinking and problem solving Minkowski spacetime diagram Molecular orbital diagram N N2 Nassi Shneiderman diagram or structogram a representation for structured programming Nomogram Network diagram O Object diagram from UML 2/9 Organigram Onion diagram also known as "stacked Venn diagram" P Package diagram from UML 4/9 and SysML Parametric diagram from SysML PERT Petri net shows the structure of a distributed system as a directed bipartite graph with annotations Phylogenetic tree - represents a phylogeny evolutionary relationships among groups of organisms Piping and instrumentation diagram P&ID Phase diagram used to present solid/liquid/gas information Plant Diagram Pressure volume diagram used to analyse engines Pourbaix diagram Process flow diagram or PFD used in chemical engineering Program structure diagram R Radar chart Radial Diagram Requirement Diagram Used in SysML Rich Picture R-diagram Routing diagram S Sankey diagram represents material, energy or cost flows with quantity proportional arrows in a process network. Sentence diagram represents the grammatical structure of a natural language sentence. Sequence diagram from UML 8/9 and SysML SDL/GR diagram Specification and Description Language. SDL is a formal language used in computer science. Smith chart Spider chart Spray diagram SSADM Structured Systems Analysis and Design Methodology used in software engineering Star chart/Celestial sphere State diagram are used for state machines in software engineering from UML 7/9 Swim lane Syntax diagram used in software engineering to represent a context-free grammar Systems Biology Graphical Notation a graphical notation used in diagrams of biochemical and cellular processes studied in Systems biology System context diagram System structure Systematic layout planning T Timing Diagram: Digital Timing Diagram Timing Diagram: UML 2.0 TQM Diagram Treemap U UML diagram Unified Modeling Language used in software engineering Use case diagram from UML 5/9 and SysML V Value Stream Mapping Venn diagram Voronoi diagram W Warnier-Orr Williot diagram Y Yourdon-Coad see Edward Yourdon, used in software engineering
Prior to making a solid connection between the SMPS negative output terminal and "actual earth ground." I suggest measuring the voltage between those two points.
I made a simple smps with uc3845. The output of the ic is connected to IRF840 and a EE30_15_7 ferrite transformer wound by me. The osc section seems to be working. Vcc supplied is 16.5 v Pin 1 connected to opto coupler pin 2 to GND Pin 3 to the 0.47ohm resister connected between Mosfet...
For the SMPS stuff, a 100MHz CRO is usually good enough and there are some newer CROs around that have mutlichannel digital inputs you can use for all manner of digital circuit tests and measurements as well as logic and protocol analyser type functions and at far higher frequencies than 100MHz.
Hi, I'm searching for an example circuit to be run on LTSpice with a SMPS together with a common mode choke. The idea is to run a transient simulation in order to see the effect of this latest component on output voltage (noise reduction). Do you have anything to suggest? Thank you
Hello everyone, I was studying a tl494 based half bridge smps I came across the current sense section opamp pin 15 & pin16 Now pin16 is connected directly to the ground But there is some arrangment made to pin 15 I have drawn a part of it Please can anyone help me what is a purpose of “103...
Ok, so the smps is fixed. I replaced the cap and then powered it up with a 75W light bulb in place of the fuse. And good thing I did too, because the light bulb lit up on power up and there was a cracking sound indicating arcing. I soon observed that the arcing was coming from a 56k resistor which was in contact with the aluminium heat sink.
I have to build a Switch Mode Power Supply with multiple outputs. I've seen many projects with just a single output , as well as projects with variable voltage output, such as using an lm317. However, I'm unsure as to whether the variable voltage output is the same as multiple voltage outputs ...
A couple of days ago I replaced my 12V 0,7A power supply to a 12V 2,1A power supply that I use for a couple of purposes. Everything looked okay until I found that my 1 wire network is completely down which I know happens as a result of noise. (The network is running from a completely different...
Hello, i have an issue with a 12v30A PSU: low output of 4v instead of 12v, SMPS transformer noise like low frequency issue. No short element in the secondary, RT CT of tl 494 within specs, but i suspect the capacitor at VCC of TL494 : it is only 10mF and has only 7.5V. The DC output voltage...
Hey guys please tell me how to validate the reliability of SMPS? Means if I have ready made SMPS then what are the major things to be checked? Are there any standard test procedures for reliability testing?? Please help.:) Thank you!
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