View Full Version : Power Supplies

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

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