View Full Version : Power Supplies

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  1. 9v. 350ma.dc. class2 ac-dc wall adapter question
  2. 375 VDC circuit
  3. Power supply voltage limiter
  4. Quieting a Switching PSU? or easier to replace it with a linear PSU?
  5. SMPS Fault
  6. An even lower noise measurement technique
  7. Split +/-12V Phono preamp Power Supply
  8. Morbid Curiosity?
  9. Power Supply
  10. My take on a discrete shunt voltage regulator
  11. Electronic 12V transformer (high frequency) to 12VDC
  12. Tube scope supply board
  13. Need info for Kenwood power transformer MU8604H1
  14. Exodus RFI/DC filter
  15. CCS in Placid-BP Bipolar Shunt Regulated Power Supply
  16. What is evil about switching PS?
  17. Toroidal fusr ratings.
  18. N00b power supply questions
  19. high current inductors from copper tubing?
  20. Using the HYPNOTIZE as a general shunt reg PCB
  21. Pi filters for simple supplies
  22. Adjustable Regulated B+ power supply question
  23. Switch mode PSU
  24. Custom-wound flybacks
  25. Help me mod simple zener regulator
  26. transformer trix
  27. Are there boost converters that can supply this much amperage?
  28. 38-0-38 smps
  29. Advice about this choke
  30. Device power rating for push pull
  31. regulated negative 25v 4amp PS
  32. Power Supply Safety
  33. Testing caps?
  34. Cheapo Battery Management System
  35. Y2 capacitors for mains isolation
  36. transformer primary wires - identification
  37. Strange transformer hum
  38. Honey, I blew up the Super Regulator
  39. TI TL780 series, the "improved" 78xx?
  40. Clamp dissipation problem TOPswitch-GX
  41. Direct main supply dangerous. Pls explain before flaming
  42. PSUD Capacitor Value and Ripple Tuning
  43. Another Jung (ALW) Supereg built It sounds excellent
  44. 3525 PWM - soft start quastion ?
  45. Transformer confusion...
  46. Power Supply for a Beresford TC-7510?
  47. Help Yamaha B2 P/S
  48. Still trying to understand transformers
  49. Advice for newbie
  50. Harman Kardon tube Power Transformer ID
  51. Driving bipolar transistors
  52. large capacitors-inruish current
  53. Question related to voltage drop
  54. Help understanding bypass caps
  55. Using 230v Transformer with 120v Mains
  56. Anyone know what specs on this baby? (toroidal)
  57. Variable output voltage SMPS - 450V
  58. Sigma11 to power a PicoPSU 60W ... heatsink help needed
  59. JLTi phono preamp - upgraded power supply?
  60. transformer location ?
  61. R-core transformers poor choice for amp PSUs?
  62. How to reduce battery PS Noise
  63. Duncan's amp Mosfet Regulator
  64. Using a zener diode as voltage reference with variable voltage regulators
  65. Funny traffo specs
  66. Help with Transformer Values
  67. Dual power supply,switching model.
  68. Asking for choke value or calculation for CLC filter
  69. Hvps
  70. Need Help In making power supply! :(
  71. DC-AC inverter using function generator + Mosfet + Transformer
  72. Help needed to identify a boost regulator chip.
  73. Caps in series/parallel
  74. Autoformer vs Transformer Rating
  75. Where in the USA do you get toroidal transformers for power amps?
  76. Defeating ripple voltage in pre-amps
  77. 78xx + FAT capacitors = ripple elimination??
  78. F1 toroid help
  79. LiPO battery charging
  80. Any Help appreciated
  81. Unregulated PSU Questions
  82. basic bridge rectifier question.. ac on output
  83. Help for repair or rebuild power supply from bass amp.
  84. 50V SMPS for Quasar Amps (& others)
  85. Trying to fix an SMPS in a plasma TV, off topic a bit, but perhaps someone help.
  86. PFC - Choosing the right inductor, switch, and diode
  87. 220V primaries for Pioneer SX650?
  88. How Calculate inductors ?
  89. Noisy transformer
  90. Does resonance at 1M Hertz matter for audio?
  91. One big cap or many
  92. Toroidal transformers mounting
  93. yes, another jung regulator, i know
  94. Please Help Toroid Question for F1
  95. Isues with 1kw SMPS at 125khz
  96. Laptop brick PS for 1875/6 gainclone?
  97. Thyristor bridge rectifier
  98. Quality Toroids in Germany
  99. using meanwell SMPS S-350 as power amp PSU?
  100. Simple voltage regulator get crazy... and so am I
  101. bridge rectifier pcb
  102. quick question about 240 to 220 volts transformer.
  103. PSU connectors
  104. Voltage conversion, 12v-48v
  105. Voltage Divider question - 6 from 12 Volts
  106. hi cap or variant psu
  107. Need help converting transformer
  108. Troubleshoot Xantrex Xpower 1500 Inverter
  109. 317 CCS on 60Vdc
  110. Help with Avel Lindberg transformer problem
  111. Blown PSU in a Tek T935A scope
  112. PFC voltage spikes
  113. Mains to 15VDC/20mA non isolated
  114. Voltage spikes under load
  115. Total newbie post - trying to replace ext. PS on vintage Mark Levinson ML-1 preamp
  116. Symmetric PSUs and negative voltage regs
  117. usability of an old transformer
  118. IGBTs exploding
  119. Using Self-Driven Synchronous Rectification in SMPS
  120. SMPS 2KW full bridge strange signal
  121. Small PSUs breaking all the time
  122. Combining two positive regulated suppiles for obtaining a a dual one
  123. High powered SMPS design
  124. Circuit Sanity Check: +15V, -15V, +9V Power Supply
  125. Toroids on ebay - $25
  126. Small Power Regulated Power Supply
  127. multi cell battery charge limit circuit ideas
  128. Sinewave Inverter Design
  129. please, help me. SMPS for 50A,13.8, with low profit
  130. 1kw+ SMPS...blowing FETS at full voltage
  131. Quad 405 Dual Mono PSU
  132. Power Factor Correction - PFC with MC34262
  133. Diy Silent PC Power supply
  134. Smps 220vac / 13.8vcc For 100a
  135. Need help with powersupply.
  136. 2x batterie's, one charge, one in use?
  137. Transformer wiring
  138. help with single supply for two EQ/preamps
  139. good EI splitcoil trafo
  140. 1.2 kw Full bridge with SG3525 ACMC and VMC
  141. Parallelling power transformers
  142. Help with 8 channel Leach Amp Power Supply
  143. PSU from supermarket DVD?
  144. 35v to 18v
  145. About repairing a 1750 watt power inverter
  146. Common-mode choke discussion please
  147. You opinion about this ripple killer
  148. Output regulator after torodial transformer?
  149. Bench supply?
  150. my mixer berinhger UB 2222 FX Pro dead
  151. PSU Tube regulator
  152. positive and dual power from LM675
  153. Soft Start Module
  154. IR2110 question (help me)
  155. best place for output voltage
  156. Too much capacitance?
  157. MC34063 blues
  158. Anyone tried this 12vdc 1A supply?
  159. SMPS to Pure Sine
  160. Need help with SLA battery capacitor bank
  161. Dual Power Supply.l
  162. Toroid transformer slim
  163. Dual Supply for Low Power but Sensitive Circuit
  164. FULL BRIDGE SMPS: With or without poly cap in primary coil?
  165. Push-Pull SMPS spikes recuperation
  166. Tube PSU differences
  167. Radio Shack Transformer 273-1512
  168. Voltage Regulator(s) for Bench Supply from Laptop Wall Adapter
  169. Good 13.5V up to 5A PSU
  170. [NOOB] Power supply mayhem
  171. Efficient current limiting for a dc/dc SMPS?
  172. LM2576 Inductor
  173. Reducing transformer voltage...
  174. Questions when designing a syncrhonous SMPS (75W)
  175. Any disadvantage to multiple parallel caps for PS?
  176. I need a power supply for sp5700
  177. Smoothing modified sinewave Inverter
  178. Tuna can shield
  179. Wiring Transformers Using The Series Parallel Scheme
  180. ESP soft start circuit
  181. Is this a practical HV supply?
  182. Silly question
  183. how to build a regulated psu to drive an op-amp?
  184. Need help stabilising PSU
  185. Afzal
  186. Learning Project - Buck SMPS
  187. SMPS Greenhorn
  188. Can I replace transformer drive with optocoupler in halfbridge smps?
  189. Li-Ion Charger Using Max 1555
  190. curious defect
  191. Tranny capability question...
  192. The simplistic Salas low voltage shunt regulator
  193. Help w/ Battery Selection
  194. Tube PS using 6H30 into a 6550
  195. Another look at the LM317 and LM337 regulators
  196. Low noise Regulated +-12v supply?
  197. VELODYNE 110V to 220V
  198. Batteries Revisited
  199. 15v / 200a Help!
  200. 120V DC Lead battery desulfator! Lightbulb and Bridge Rectifier!
  201. Mounting snap-in caps
  202. 15mA 120V AC Power supply dessign
  203. Will this work?
  204. Want testing report
  205. janus shunt reglator Help me !!
  206. Connectors for shared power transformer
  207. Graetz Bridge Questions
  208. High power SMPS design.
  209. Can I do this?
  210. Sharing gainclone PSU with other circuits
  211. Need help with voltage doubler
  212. Choke Input Filter on Class A PS
  213. Temperature compensated MAIDA
  214. Linear power supply causing mains hum at speaker
  215. 5V dc power supply
  216. Difficulties with DC/DC converter 12V to +/-40V, 8 amps
  217. cheap DIY PURE AC regenerator
  218. HF noise on unregulated PSU - help!
  219. Smps In Development
  220. Clean DC supply?
  221. Piezobee -a very simple and cheap power filter
  222. DC Power supply questions, advice appreciated!
  223. Rod Elliott's capacitance multiplier supply
  224. Car computer SMPS
  225. Halogen transformers
  226. help with designing a power supply
  227. are these caps okay?
  228. were can i find how to configure sg3525 as a half brige
  229. Simple power inductor calculator
  230. monitor voltage input
  231. SLA batteries as power supply. What's needed?
  232. When to use 317 and 7805?
  233. High Current Regulated Power Supply For Gainclone: Design Thread
  234. Bipolar Variable Power supply for protoboard
  235. Grounding with separate enclosures
  236. sync of SG3525
  237. Phase inverting one half of a push-pull parrallel channel before recombining?
  238. Chipamp PSU layout
  239. VA rating needed for 2x60W
  240. CFL inverter
  241. How could you run a set of speakers with two different amp classes?
  242. 2 IC SMPS for car audio, how stupid is this?
  243. Voltage regulation for TL494?
  244. Trygon RS60-7.5
  245. problems unifying grounds
  246. Confused about transformers
  247. +/-80V 7Amp SMPS
  248. Looking for the ideal linear SMD voltage regulator, any suggestions?
  249. About a PWM power inverter
  250. Power supply photo`s

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