View Full Version : Power Supplies

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  1. Switch mode PSU
  2. Custom-wound flybacks
  3. Help me mod simple zener regulator
  4. transformer trix
  5. Are there boost converters that can supply this much amperage?
  6. 38-0-38 smps
  7. Advice about this choke
  8. Device power rating for push pull
  9. regulated negative 25v 4amp PS
  10. Power Supply Safety
  11. Testing caps?
  12. Cheapo Battery Management System
  13. Y2 capacitors for mains isolation
  14. transformer primary wires - identification
  15. Strange transformer hum
  16. Honey, I blew up the Super Regulator
  17. TI TL780 series, the "improved" 78xx?
  18. Clamp dissipation problem TOPswitch-GX
  19. Direct main supply dangerous. Pls explain before flaming
  20. PSUD Capacitor Value and Ripple Tuning
  21. Another Jung (ALW) Supereg built It sounds excellent
  22. 3525 PWM - soft start quastion ?
  23. Transformer confusion...
  24. Power Supply for a Beresford TC-7510?
  25. Help Yamaha B2 P/S
  26. Still trying to understand transformers
  27. Advice for newbie
  28. Harman Kardon tube Power Transformer ID
  29. Driving bipolar transistors
  30. large capacitors-inruish current
  31. Question related to voltage drop
  32. Help understanding bypass caps
  33. Using 230v Transformer with 120v Mains
  34. Anyone know what specs on this baby? (toroidal)
  35. Variable output voltage SMPS - 450V
  36. Sigma11 to power a PicoPSU 60W ... heatsink help needed
  37. JLTi phono preamp - upgraded power supply?
  38. transformer location ?
  39. R-core transformers poor choice for amp PSUs?
  40. How to reduce battery PS Noise
  41. Duncan's amp Mosfet Regulator
  42. Using a zener diode as voltage reference with variable voltage regulators
  43. Funny traffo specs
  44. Help with Transformer Values
  45. Dual power supply,switching model.
  46. Asking for choke value or calculation for CLC filter
  47. Hvps
  48. Need Help In making power supply! :(
  49. DC-AC inverter using function generator + Mosfet + Transformer
  50. Help needed to identify a boost regulator chip.
  51. Caps in series/parallel
  52. Autoformer vs Transformer Rating
  53. Where in the USA do you get toroidal transformers for power amps?
  54. Defeating ripple voltage in pre-amps
  55. 78xx + FAT capacitors = ripple elimination??
  56. F1 toroid help
  57. LiPO battery charging
  58. Any Help appreciated
  59. Unregulated PSU Questions
  60. basic bridge rectifier question.. ac on output
  61. Help for repair or rebuild power supply from bass amp.
  62. 50V SMPS for Quasar Amps (& others)
  63. Trying to fix an SMPS in a plasma TV, off topic a bit, but perhaps someone help.
  64. PFC - Choosing the right inductor, switch, and diode
  65. 220V primaries for Pioneer SX650?
  66. How Calculate inductors ?
  67. Noisy transformer
  68. Does resonance at 1M Hertz matter for audio?
  69. One big cap or many
  70. Toroidal transformers mounting
  71. yes, another jung regulator, i know
  72. Please Help Toroid Question for F1
  73. Isues with 1kw SMPS at 125khz
  74. Laptop brick PS for 1875/6 gainclone?
  75. Thyristor bridge rectifier
  76. Quality Toroids in Germany
  77. using meanwell SMPS S-350 as power amp PSU?
  78. Simple voltage regulator get crazy... and so am I
  79. bridge rectifier pcb
  80. quick question about 240 to 220 volts transformer.
  81. PSU connectors
  82. Voltage conversion, 12v-48v
  83. Voltage Divider question - 6 from 12 Volts
  84. hi cap or variant psu
  85. Need help converting transformer
  86. Troubleshoot Xantrex Xpower 1500 Inverter
  87. 317 CCS on 60Vdc
  88. Help with Avel Lindberg transformer problem
  89. Blown PSU in a Tek T935A scope
  90. PFC voltage spikes
  91. Mains to 15VDC/20mA non isolated
  92. Voltage spikes under load
  93. Total newbie post - trying to replace ext. PS on vintage Mark Levinson ML-1 preamp
  94. Symmetric PSUs and negative voltage regs
  95. usability of an old transformer
  96. IGBTs exploding
  97. Using Self-Driven Synchronous Rectification in SMPS
  98. SMPS 2KW full bridge strange signal
  99. Small PSUs breaking all the time
  100. Combining two positive regulated suppiles for obtaining a a dual one
  101. High powered SMPS design
  102. Circuit Sanity Check: +15V, -15V, +9V Power Supply
  103. Toroids on ebay - $25
  104. Small Power Regulated Power Supply
  105. multi cell battery charge limit circuit ideas
  106. Sinewave Inverter Design
  107. please, help me. SMPS for 50A,13.8, with low profit
  108. 1kw+ SMPS...blowing FETS at full voltage
  109. Quad 405 Dual Mono PSU
  110. Power Factor Correction - PFC with MC34262
  111. Diy Silent PC Power supply
  112. Smps 220vac / 13.8vcc For 100a
  113. Need help with powersupply.
  114. 2x batterie's, one charge, one in use?
  115. Transformer wiring
  116. help with single supply for two EQ/preamps
  117. good EI splitcoil trafo
  118. 1.2 kw Full bridge with SG3525 ACMC and VMC
  119. Parallelling power transformers
  120. Help with 8 channel Leach Amp Power Supply
  121. PSU from supermarket DVD?
  122. 35v to 18v
  123. About repairing a 1750 watt power inverter
  124. Common-mode choke discussion please
  125. You opinion about this ripple killer
  126. Output regulator after torodial transformer?
  127. Bench supply?
  128. my mixer berinhger UB 2222 FX Pro dead
  129. PSU Tube regulator
  130. positive and dual power from LM675
  131. Soft Start Module
  132. IR2110 question (help me)
  133. best place for output voltage
  134. Too much capacitance?
  135. MC34063 blues
  136. Anyone tried this 12vdc 1A supply?
  137. SMPS to Pure Sine
  138. Need help with SLA battery capacitor bank
  139. Dual Power Supply.l
  140. Toroid transformer slim
  141. Dual Supply for Low Power but Sensitive Circuit
  142. FULL BRIDGE SMPS: With or without poly cap in primary coil?
  143. Push-Pull SMPS spikes recuperation
  144. Tube PSU differences
  145. Radio Shack Transformer 273-1512
  146. Voltage Regulator(s) for Bench Supply from Laptop Wall Adapter
  147. Good 13.5V up to 5A PSU
  148. [NOOB] Power supply mayhem
  149. Efficient current limiting for a dc/dc SMPS?
  150. LM2576 Inductor
  151. Reducing transformer voltage...
  152. Questions when designing a syncrhonous SMPS (75W)
  153. Any disadvantage to multiple parallel caps for PS?
  154. I need a power supply for sp5700
  155. Smoothing modified sinewave Inverter
  156. Tuna can shield
  157. Wiring Transformers Using The Series Parallel Scheme
  158. ESP soft start circuit
  159. Is this a practical HV supply?
  160. Silly question
  161. how to build a regulated psu to drive an op-amp?
  162. Need help stabilising PSU
  163. Afzal
  164. Learning Project - Buck SMPS
  165. SMPS Greenhorn
  166. Can I replace transformer drive with optocoupler in halfbridge smps?
  167. Li-Ion Charger Using Max 1555
  168. curious defect
  169. Tranny capability question...
  170. The simplistic Salas low voltage shunt regulator
  171. Help w/ Battery Selection
  172. Tube PS using 6H30 into a 6550
  173. Another look at the LM317 and LM337 regulators
  174. Low noise Regulated +-12v supply?
  175. VELODYNE 110V to 220V
  176. Batteries Revisited
  177. 15v / 200a Help!
  178. 120V DC Lead battery desulfator! Lightbulb and Bridge Rectifier!
  179. Mounting snap-in caps
  180. 15mA 120V AC Power supply dessign
  181. Will this work?
  182. Want testing report
  183. janus shunt reglator Help me !!
  184. Connectors for shared power transformer
  185. Graetz Bridge Questions
  186. High power SMPS design.
  187. Can I do this?
  188. Sharing gainclone PSU with other circuits
  189. Need help with voltage doubler
  190. Choke Input Filter on Class A PS
  191. Temperature compensated MAIDA
  192. Linear power supply causing mains hum at speaker
  193. 5V dc power supply
  194. Difficulties with DC/DC converter 12V to +/-40V, 8 amps
  195. cheap DIY PURE AC regenerator
  196. HF noise on unregulated PSU - help!
  197. Smps In Development
  198. Clean DC supply?
  199. Piezobee -a very simple and cheap power filter
  200. DC Power supply questions, advice appreciated!
  201. Rod Elliott's capacitance multiplier supply
  202. Car computer SMPS
  203. Halogen transformers
  204. help with designing a power supply
  205. are these caps okay?
  206. were can i find how to configure sg3525 as a half brige
  207. Simple power inductor calculator
  208. monitor voltage input
  209. SLA batteries as power supply. What's needed?
  210. When to use 317 and 7805?
  211. High Current Regulated Power Supply For Gainclone: Design Thread
  212. Bipolar Variable Power supply for protoboard
  213. Grounding with separate enclosures
  214. sync of SG3525
  215. Phase inverting one half of a push-pull parrallel channel before recombining?
  216. Chipamp PSU layout
  217. VA rating needed for 2x60W
  218. CFL inverter
  219. How could you run a set of speakers with two different amp classes?
  220. 2 IC SMPS for car audio, how stupid is this?
  221. Voltage regulation for TL494?
  222. Trygon RS60-7.5
  223. problems unifying grounds
  224. Confused about transformers
  225. +/-80V 7Amp SMPS
  226. Looking for the ideal linear SMD voltage regulator, any suggestions?
  227. About a PWM power inverter
  228. Power supply photo`s
  229. Projector Power Supply Repair Needed
  230. Need SMPS Gate Drive Transformer
  231. Chipamp PSU- TP resistor across fuse??
  232. How to disassemble EI cores?
  233. can someone draw a PCB for a SMPS for me?
  234. SMPS question
  235. will this transformer do?
  236. Isolation after transformer considered isolated?
  237. 50Hz UPS
  238. Projet SMPS very popular, with a change made by me, will it work?
  239. On Off pop annoying, odd mix of system.
  240. Trim pots
  241. Best low noise regulator?
  242. Reclaimed transformer
  243. Is there any "best" power supply design?
  244. Winding a Monster Toroid, Hum & Voltage Sag
  245. R/C battery and charger
  246. Rectifier for lighting transformer
  247. LT Dual Tracking 3A Regulated Power Supply 1.25V to 20V
  248. 11.5-12.8v to 13.8-14.4v boost
  249. Simple TL594/single MOSFET offline SMPS
  250. need a PS for a pre, DAC, and headphone amp

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