View Full Version : Power Supplies

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  1. Symmetric PSUs and negative voltage regs
  2. usability of an old transformer
  3. IGBTs exploding
  4. Using Self-Driven Synchronous Rectification in SMPS
  5. SMPS 2KW full bridge strange signal
  6. Small PSUs breaking all the time
  7. Combining two positive regulated suppiles for obtaining a a dual one
  8. High powered SMPS design
  9. Circuit Sanity Check: +15V, -15V, +9V Power Supply
  10. Toroids on ebay - $25
  11. Small Power Regulated Power Supply
  12. multi cell battery charge limit circuit ideas
  13. Sinewave Inverter Design
  14. please, help me. SMPS for 50A,13.8, with low profit
  15. 1kw+ SMPS...blowing FETS at full voltage
  16. Quad 405 Dual Mono PSU
  17. Power Factor Correction - PFC with MC34262
  18. Diy Silent PC Power supply
  19. Smps 220vac / 13.8vcc For 100a
  20. Need help with powersupply.
  21. 2x batterie's, one charge, one in use?
  22. Transformer wiring
  23. help with single supply for two EQ/preamps
  24. good EI splitcoil trafo
  25. 1.2 kw Full bridge with SG3525 ACMC and VMC
  26. Parallelling power transformers
  27. Help with 8 channel Leach Amp Power Supply
  28. PSU from supermarket DVD?
  29. 35v to 18v
  30. About repairing a 1750 watt power inverter
  31. Common-mode choke discussion please
  32. You opinion about this ripple killer
  33. Output regulator after torodial transformer?
  34. Bench supply?
  35. my mixer berinhger UB 2222 FX Pro dead
  36. PSU Tube regulator
  37. positive and dual power from LM675
  38. Soft Start Module
  39. IR2110 question (help me)
  40. best place for output voltage
  41. Too much capacitance?
  42. MC34063 blues
  43. Anyone tried this 12vdc 1A supply?
  44. SMPS to Pure Sine
  45. Need help with SLA battery capacitor bank
  46. Dual Power Supply.l
  47. Toroid transformer slim
  48. Dual Supply for Low Power but Sensitive Circuit
  49. FULL BRIDGE SMPS: With or without poly cap in primary coil?
  50. Push-Pull SMPS spikes recuperation
  51. Tube PSU differences
  52. Radio Shack Transformer 273-1512
  53. Voltage Regulator(s) for Bench Supply from Laptop Wall Adapter
  54. Good 13.5V up to 5A PSU
  55. [NOOB] Power supply mayhem
  56. Efficient current limiting for a dc/dc SMPS?
  57. LM2576 Inductor
  58. Reducing transformer voltage...
  59. Questions when designing a syncrhonous SMPS (75W)
  60. Any disadvantage to multiple parallel caps for PS?
  61. I need a power supply for sp5700
  62. Smoothing modified sinewave Inverter
  63. Tuna can shield
  64. Wiring Transformers Using The Series Parallel Scheme
  65. ESP soft start circuit
  66. Is this a practical HV supply?
  67. Silly question
  68. how to build a regulated psu to drive an op-amp?
  69. Need help stabilising PSU
  70. Afzal
  71. Learning Project - Buck SMPS
  72. SMPS Greenhorn
  73. Can I replace transformer drive with optocoupler in halfbridge smps?
  74. Li-Ion Charger Using Max 1555
  75. curious defect
  76. Tranny capability question...
  77. The simplistic Salas low voltage shunt regulator
  78. Help w/ Battery Selection
  79. Tube PS using 6H30 into a 6550
  80. Another look at the LM317 and LM337 regulators
  81. Low noise Regulated +-12v supply?
  82. VELODYNE 110V to 220V
  83. Batteries Revisited
  84. 15v / 200a Help!
  85. 120V DC Lead battery desulfator! Lightbulb and Bridge Rectifier!
  86. Mounting snap-in caps
  87. 15mA 120V AC Power supply dessign
  88. Will this work?
  89. Want testing report
  90. janus shunt reglator Help me !!
  91. Connectors for shared power transformer
  92. Graetz Bridge Questions
  93. High power SMPS design.
  94. Can I do this?
  95. Sharing gainclone PSU with other circuits
  96. Need help with voltage doubler
  97. Choke Input Filter on Class A PS
  98. Temperature compensated MAIDA
  99. Linear power supply causing mains hum at speaker
  100. 5V dc power supply
  101. Difficulties with DC/DC converter 12V to +/-40V, 8 amps
  102. cheap DIY PURE AC regenerator
  103. HF noise on unregulated PSU - help!
  104. Smps In Development
  105. Clean DC supply?
  106. Piezobee -a very simple and cheap power filter
  107. DC Power supply questions, advice appreciated!
  108. Rod Elliott's capacitance multiplier supply
  109. Car computer SMPS
  110. Halogen transformers
  111. help with designing a power supply
  112. are these caps okay?
  113. were can i find how to configure sg3525 as a half brige
  114. Simple power inductor calculator
  115. monitor voltage input
  116. SLA batteries as power supply. What's needed?
  117. When to use 317 and 7805?
  118. High Current Regulated Power Supply For Gainclone: Design Thread
  119. Bipolar Variable Power supply for protoboard
  120. Grounding with separate enclosures
  121. sync of SG3525
  122. Phase inverting one half of a push-pull parrallel channel before recombining?
  123. Chipamp PSU layout
  124. VA rating needed for 2x60W
  125. CFL inverter
  126. How could you run a set of speakers with two different amp classes?
  127. 2 IC SMPS for car audio, how stupid is this?
  128. Voltage regulation for TL494?
  129. Trygon RS60-7.5
  130. problems unifying grounds
  131. Confused about transformers
  132. +/-80V 7Amp SMPS
  133. Looking for the ideal linear SMD voltage regulator, any suggestions?
  134. About a PWM power inverter
  135. Power supply photo`s
  136. Projector Power Supply Repair Needed
  137. Need SMPS Gate Drive Transformer
  138. Chipamp PSU- TP resistor across fuse??
  139. How to disassemble EI cores?
  140. can someone draw a PCB for a SMPS for me?
  141. SMPS question
  142. will this transformer do?
  143. Isolation after transformer considered isolated?
  144. 50Hz UPS
  145. Projet SMPS very popular, with a change made by me, will it work?
  146. On Off pop annoying, odd mix of system.
  147. Trim pots
  148. Best low noise regulator?
  149. Reclaimed transformer
  150. Is there any "best" power supply design?
  151. Winding a Monster Toroid, Hum & Voltage Sag
  152. R/C battery and charger
  153. Rectifier for lighting transformer
  154. LT Dual Tracking 3A Regulated Power Supply 1.25V to 20V
  155. 11.5-12.8v to 13.8-14.4v boost
  156. Simple TL594/single MOSFET offline SMPS
  157. need a PS for a pre, DAC, and headphone amp
  158. Power Trans Winding Parallel AC or DC?
  159. DC-DC Cuk converter (advice please)
  160. Rectifying multiple secondaries..
  161. What does this notation mean?
  162. Boost controller for +48VDC?
  163. SMPS by by Christophe P. Basso or
  164. clc filter
  165. Confused about a transformer's power rating
  166. Mains Filtering
  167. Transformer Winding
  168. Boost converter
  169. Woes with protection components
  170. voltage reg ic for +-16v 2amp
  171. SG3525 Frequency
  172. LM3886 Power supply
  173. Seperate/Dedicate 12V Power Supply for TT's Motor
  174. One trafo-two amps?
  175. Weight differences of transformers
  176. Determining CM Choke values
  177. SMPS PCB Layout Advice
  178. forward regulation of push-pull average current mode control?
  179. Power Supply Requlation
  180. Simple I'm Sure...Wiring 2 Single Supplies to Make a Dual
  181. Diy Psu
  182. SMPS Datasheets
  183. SMPS 12v to +-70V
  184. Noise on laptop charger PSU
  185. self_osc
  186. Behringer DDX3216
  187. SMPS for "isolation": 120in-->~100dc out??
  188. SMPS repair has me stumped
  189. Building a class II PSU (double insulated, no safety earth)
  190. +/-18V & +48V from a battery
  191. I would like to design a power supply
  192. 18v bi-polar dc/dc converters
  193. The Xreg Voltage Stabilizer
  194. DC connectors
  195. Another Linear Pass Regulator
  196. SMPS Trouble, wont start - need some advice! Full schematic
  197. IRFP064 gets burnt
  198. ac side active PFC
  199. SMPS for beginner
  200. Wiring for balanced power ?
  201. need help for basic boost converter!
  202. Full Bridge PWM controller w/ Integrated Gate Drvrs
  203. IR2110 question (help me)
  204. Push-Pull question
  205. Transformer primary winding question
  206. which ferrite beads for mos legs?
  207. 4kw Smps
  208. Peak Current in SMPS
  209. Isolated Transformer
  210. Mosfet line smoother, is it good?
  211. SMPS Hissing & Whining Noises
  212. Funny waveform on 12V->30V SMPS
  213. Fun with Lithium Ion
  214. K6- Switching power supply
  215. Choosing diode Vrrm in a power supply
  216. Simplistic Mosfet HV Shunt Regs
  217. What Power Supply for 12AX7 Preamp ?
  218. install PS in same case as amp
  219. Dose a Capacitor have to be pre charged every time?
  220. Using resistor in sense line to increase range of regulated supplY?
  221. Lm723 - 19vdc In, 14,4vdc Out
  222. Questions on MC33025 current mode design
  223. UC3846 or UC3856 design
  224. Why are they building -15v regs
  225. Transformer winding technique
  226. Keithley voltmeter = "HOT" transformer
  227. PSU problem
  228. Location of voltage-dropping power resistor
  229. Ps Carlosfm
  230. Toroid inrush current in case of short blackout
  231. what makes power transformers buzzing
  232. Bypass capacitors on diodes?
  233. STEPS at 47V?
  234. need help to build Electricity power saver
  235. unstable DSP-controlled smps
  236. Tubecad HV regulator - Modifcation- OCP?
  237. Dummy transformer question
  238. UPS Design
  239. Primary DC blocking capacitor in a ZVT full bridge Design ?
  240. SMPS won't get max voltage/current
  241. newbie can multiple EE cores be paralled for better current handling
  242. Power Supply / Driver for LED Fluorescent
  243. Question about toroidal transformers
  244. Help decipher Magnetics Inc. Specs
  245. 9v Highly regulated/clean PS for guitar fx
  246. transformer winding
  247. Please help me check,Can this dual power use tl431 and a op work well?
  248. Modifications suggestions for The Twisted Pear Power Supplies
  249. Question about voltage multipliers
  250. Negative Reference Voltage

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