View Full Version : Power Supplies

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

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