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  1. Voltage Regulator design LM317T 70V to 20V
  2. Clean bipolar power from USBuss
  3. How to power opamp ?
  4. Isolated gate driver with adjustable dead band
  5. Power supply for Amp 48v
  6. Linear Regulators
  7. semi-isolated feedback without optocouplers?
  8. Core Winding Trouble
  9. Independent (floating) supplies
  10. Room inductance issues
  11. 160v/5a
  12. AC to DC circuit switching using function generator, need help
  13. Inductors with powdered iron toroids.
  14. UK laws - dealing with ground loops?
  15. My open loop shunt regulator
  16. +63/-63vdc Smps New Prototype
  17. Power supply for Amp
  18. +- 30V from two dual +-15 supplies?
  19. Phase shift smps topology
  20. IEC Inlet Filter confusion
  21. Questions on reference and noise in the super regulator
  22. What makes a voltage source sound good?
  23. APC 5KVA ups
  24. advice regarding PSU
  25. grounding problem..need help
  26. Difficulties with SEPIC converter
  27. 13vdc-200a Smps Hard Testing
  28. problems with compensation in boost regulator
  29. Low cost regulator in between Jung and Flea
  30. Low noise higher voltage reference?
  31. Mosfet burn
  32. lossless clamping with current sense, how?
  33. Portable Power supply for 2ch amp
  34. TL431 and SMPS Question
  35. A simple active DC dummy load for PSU testing
  36. Schematic for Old Colony KG-5
  37. purpose of zener diode in optocouplers
  38. "half" Power Amp...
  39. 60 V regulated for preamp supply
  40. Noise suppression bypass caps on Si bridge
  41. Is bypassing PSU capacitors effective?
  42. smps voltage balancer core saturation/avalanche problems
  43. Volt Reference - 4 Transistors with Bandgap
  44. full bridge circuit help
  45. simple HV rail splitter/floating ground - would this work?
  46. How to convert a 100V SMPS to a 240V one?
  47. DC-DC SMPS Inductor got sound!
  48. help needed on attached circuit
  49. ways to discharge a mosfet faster
  50. How to identify max switching frequency of a MOSFET
  51. Having trouble finding suitable fuses
  52. Zener regulator with "integrated" pre-regulator
  53. Dual Tracking PSU w/OPA27
  54. Mastech Triple DC power supply
  55. Full Bridge X Half Bridge: What's The Best?
  56. Full bridge circuit help
  57. Balanced power conditioner
  58. UC3846 current mode control vs. SG3525 with average current mode control
  59. charge pump
  60. igbt H bridge current regulator. noobish
  61. Discrete JFET regulator problem
  62. which one is Correct EI Transformer placement ??
  63. Using Digital isolators instead of Opticouplers
  64. Common mode choke as boost inductor
  65. Power line filtering
  66. mosfet driver failure
  67. Why use an LED in CCS?
  68. Voltage rating of p-channel MOSFET
  69. xbox power suppy dead
  70. Power Supply Problem/Repair
  71. What could be wrong with this SMPS?
  72. Missing: Enermax galaxy 1000W service manual
  73. 12V - 60V smps
  74. Cap overvoltage risk?
  75. Choke input with a field coil.
  76. hi-end Line filter
  77. SMPS Design and PowerEsim
  78. Has anyone done this before?
  79. NAD 7020e Power Supply
  80. Stealth vs. Hyperfast diodes
  81. Linear Pass transistor regulator - my design
  82. essential to use a power factor corrector
  83. -/+ 50 v SMPS
  84. SMPS question
  85. Confused Noob(ish) Needs Info On Voltage Refs
  86. where to start to build an SMPS
  87. Hello, what do you think of tis PSU?
  88. Can Toroidals be stacked?
  89. 13,8v 100Ah.
  90. Power supply help
  91. UC 3846 current mode control IC help
  92. Power Supply Rating / Fuse calculation / Understanding ?
  93. Filtering a non-sinusoidal DC-AC inverter. Choke? Caps?
  94. Need help with Aikido power supply
  95. Auxiliary Supplies: Top Switch or small transformer?
  96. core power ratings for 9kW DCDC
  97. New to tubes need ps advice
  98. Regulator for Battery ??
  99. suggestions for new power supply transformer
  100. PSU Design Check Please
  101. Help Modify SMPS
  102. Java applet to help with KA7500 controller
  103. High Voltage Regulator
  104. power supply help :how to sum voltages on a trans
  105. Problem with LT1083 PSU...
  106. Mains current measurements.
  107. Help required for this SMPS Battery Charger
  108. Searching for switching power supply schematics
  109. Zero Voltage Transition Problem
  110. My Power Conditioner redesign
  111. Transformer winding
  112. SMPS Inverter
  113. I need help with my transformer wiring
  114. Odd order 60Hz Harmonics = EMI?
  115. Chaning transformer wiring from USA to UK mains
  116. [SG3525 smps] Input capacitors puffing after adding snubber
  117. Multisim: Measuring Noise
  118. Simulating a choke with a CCS
  119. Capacitance Multiplier on SMPS
  120. Power supply chematic
  121. Low Noise 3-Terminal Regualtor
  122. Power Supply Topologies - Survey
  123. Choke Rating
  124. 180 deg sync
  125. Please help for this SMPS circuit
  126. ac resistance calculator
  127. Some experiments with switching power supplies
  128. SMPS inverter complete design and description
  129. problems with SG2525
  130. Using step-up regulators?
  131. Some questions about schematic symbol
  132. Advise on replacement transformer
  133. Obtaining a split supply from car battery
  134. Step-Start
  135. IR2153 sub
  136. Powering a PGA2310
  137. How long will an overdriven LED last?
  138. toroid question
  139. Transformer in turntable
  140. Star points & Ground Planes.
  141. Jung Super Regs & LEDs
  142. Offline SMPS duty cycle, core & bridge
  143. Help/Suggestion required for H-Bridge circuit
  144. Newbie needs some help with PSU please
  145. Auto Voltage adjustment--Principle explain
  146. Solving ripple....
  147. Bridge rectifier voltage question
  148. Super Regs
  149. toroid questions
  150. How this 317 PS works?
  151. Help with charging Li-ion cell
  152. Denon US products in Europe
  153. Outboard power supply grounding ?
  154. PS for microphone preamp
  155. SMPS transformer supplier
  156. connect to circuit with different ground level
  157. Rising DC voltage
  158. how do you connect the ground of power supply to the plug of ac ????
  159. help on isolated circuit
  160. synchronous buck converter
  161. My New 12V SMPS w/Computer PSU Transformer
  162. Indestructible HV hybrid regulator!
  163. Sony Xa7-ES cdp power supply diodes
  164. Sony Xa7-ES cdp power supply diodes
  165. bridge rectifier question
  166. transformer hum please help
  167. voltage balancer circuit
  168. A stupid power supply question
  169. Royer oscillator - theory needed
  170. Designing single supply audio - what best way to get a clean reference ground?
  171. 24V Battery Amp Wiring Help
  172. how to choose the right rectifier (non smps)
  173. 4 X Lambda JWS300 24v 14A SMPS
  174. Analogue and digital supply/ground coupling
  175. Practical implementation of an isolation transformer?
  176. gate driver transformer setup
  177. Computer SMPS X'mer material
  178. 5V out of 12V regulated
  179. UF4004 vs. N4004
  180. Help with Dejan V. Veselinovic Supply.
  181. epcos e-cores as audio Transformers
  182. 2 Bench Supplies- master/slave - rear connectors
  183. Experimental Power Supply SPICE ...
  184. push-pull smps funny observation
  185. Line AC on B+??
  186. What voltages does a DCX2496 need?
  187. 7805 with adjR vs 7815
  188. Ok, I've 9 of these to use as balanced power trafos, design the rest of a good ...
  189. +/- 30VDC from toroid
  190. Power supply issue
  191. Building my first 12v smps...
  192. How to create +/- DC from a single transformer output without center tap?
  193. help me abou the calculation of half-bridge smps ?
  194. 13.8V 15A offline SMPS w/ PFC
  195. Selection of proper wire for Ferrite core
  196. Plitron transformer wiring?
  197. SMPS :noob: question
  198. Inrush current of toroidal transformers
  199. 24V AC power supply for MAX.
  200. Simple and safe NiMH charger?
  201. Transformers: How big is TO big??
  202. DIY Vintage VU Meter Bridge
  203. Reducing regulator noise.
  204. Improved version of 78xx?
  205. Switch Mode Power Supply
  206. Power supply for two LM1876
  207. Interesting failure in Apple PSU
  208. Simple 12V SMPS for small powered devices
  209. Need Help with + _ 90-100 volt regulated power supplies
  210. Converting 24Vdc or 18Vdc into +/-18Vdc? Possible?
  211. Summing 2 GFA-555 toroidals
  212. Separate PSU grounding
  213. repairing power supply
  214. Discovering Toroid Secondary Voltages
  215. SG3525 Eagle Library
  216. Hum help for newbie
  217. measuring the noise of a power supply
  218. Push-Pull SMPS overshoot problem
  219. 2600w Smps
  220. scope probe problems
  221. Best way to get 12v from 6.3....
  222. Negative voltage regulators...compromised?
  223. pcb layout
  224. PIC16f84 malfunctions
  225. Toughness of GZ34?
  226. Pulled Voltage Below 0?!
  227. 2000W Power Supply for my car audio.
  228. Schemo for a SPI 230G AT psu
  229. Toroids in N30 material
  230. Bleeder Resistors
  231. half bridge smps for chip amp voltage regulation question
  232. From 230V 3pin to 120V 2pin?
  233. Large Main Cap discharge?????
  234. Help with dual PS noise shunt?
  235. Different dielectric type.
  236. Transformer Load Regulation Problem..
  237. Trannies in parallel
  238. is it time to use power fets instead of relays?
  239. Virtual Battery Schematic
  240. UC3847 current mode control IC doubt on Vref
  241. Calculation for Snubber Value
  242. Value of Bootstrap capacitor for IR2111 & L6384 Half Bridge Driver
  243. Stress testing a car SMPS?
  244. Simple question, filter caps larger than spec
  245. Current Mode Control And Voltage Mode Control
  246. Eliminate influence of switching noise from light switch in to power supply
  247. Twisting Wires....which ones ?
  248. Yamaha PM 1000 power +44v???
  249. Multiple purpose dual regulated psu
  250. PFC inductor advice

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