View Full Version : Power Supplies

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  1. Removing noise from power grid
  2. 6V -> 5V ?
  3. Problem with B&O ASP1000!
  4. Ceramic capacitor non-linearity
  5. Switch mode power supply w/ Voltage divider
  7. transformer rewinding
  8. Power Switch 'pop's frequency?
  9. Switcher EMC design
  10. Class D amp Regulated power supply??
  11. choosing transformer VA rating
  12. What transformer do I need?
  13. Inrush current in smps and it's inductors?
  14. how to test a power supply?
  15. Salas shunt help
  16. 2.5V to power LED
  17. Power Suppy 12v - 13,8v
  18. Valve power supply - How to size transformer?
  19. Marantz SR-7400 ps repair
  20. shelf oscilating psu
  21. behringer mx9000 - psu problem? or other?
  22. ATX power supply from 0...+/-40Vdc and 0...8A
  23. JVC Shelf Component System Power supply
  24. Shunt Regulator
  25. etd34 nt enough for 400w pfc
  26. Power supply build question from a first time Amp buldier
  27. Linear PSU circuit
  29. Paul Hynes, reliable?
  30. Janus shunt regulator problem
  31. JSR-01 super reg problem with -5vdc
  32. Help me understand ripple rateing please, I'm stuck.
  33. High Current Power Supply (no big transformer)
  34. Beginners attempt at a Bench Supply or Class A Regulated PSU based on LM317
  35. Fast diodes for power amps?
  36. Multi-voltage PS
  37. schematic for audio smps?
  38. SSLV1.1 builds & fairy tales
  39. Is this really an SMPS?
  40. power supply problem
  41. LM3886 as a PSU?
  42. Suggestions on PCB: LM317 As Walwart Regulator (1st Eagle PCB)
  43. Transformers with multiple secondaries - calculaing VA rating
  44. Need help in designing my PSU
  45. Bash Amp Power Supply Repair
  46. AC/DC umbilical cord
  47. 12v Regulator
  48. 360W SMPS lower or higher power (core and freq.)
  49. Virtual CT to divide voltage?
  50. combine stereo channel filaments ?
  51. Transformer problems...
  52. Help with -15V converter
  53. MAX current from AC single phase
  54. DAC PSU - capacitor sizes
  55. Charge a 12V SLA while using the amplifier.
  56. Problem with negative ALW superregulator
  57. power supply bypass cap size
  58. Flyback converter problems (UC3845 + MOSFET)
  59. Final verification of Protective Earth wiring
  60. SMPS Gnd, Chassis-Gnd, and Layer Stack
  61. Help With SMPS Transformer Size ID
  62. dc-dc full bridge boost
  63. My PCB design of Salas SHunt Reg
  64. Power factor correction for audio?
  65. is it possible to make a transformer out of choke?
  66. fear to power it up!!!
  67. 800W SMPS with no Power factor corrector
  68. Power Supply PCB for Randy Slone Totempole Amp
  69. SMPS with split rail output for Class D?
  70. PSU for class D...how reference controller?
  71. Split rail supplys for Class D amplifiers?
  72. Easiest way to supply +-60 and +-45 for cheapie ebay amp?
  73. calculating inrush to a capacitor bank
  74. Tony's latest traffo DIY build
  75. Simple dual PS
  76. LLC resonant SMPS not for guitar amps?
  77. using pc fan for cooling meanwell in case
  78. 40Amp / 700 microHenry Power Inductor
  79. modification of the BOZ power supply
  80. LM317T CCS Improvement
  81. Single 12v and +-12v needed, What options?
  82. DX Amp PSU with DC Protection
  83. PSU's for Squeezebox and USB D/A converter?
  84. 200W SMPS for Class D guitar amp
  85. Regulations for Audio Amp SMPS?
  86. Question: Subsituting Capacitors in Power Supply
  87. 700W PFC above 600V output
  88. how to get a bi-polar dc outputs from a single Battery!
  89. LiFePo4 charger ?
  90. Problem with using UC3855: Low output Voltage
  91. impact of the capacitors value increase
  92. Is this transformer okay?
  93. Simon Series Shunt Regulator
  94. HELP KRELL KRC power supply lead missing
  95. SMP Rails?
  96. Power Supply layout?
  97. WTD 120v AC regulation to 3% schematic?
  98. 12v to 70v 1400w what do you think?
  99. Can someone identify this mosfet manufacturer?
  100. need help with blown mosfets..plz....
  101. How are Transformer Watts Determined?
  102. Replacing Diodes in Vintage HP Power supply?
  103. multiple supply pls heelp
  104. Using a large 60hz toroid transformer as an SMPS transformer
  105. High Voltage Bridge Rectifier Confusion
  106. SMPS Trouble
  107. Half bridge Vs full bridge smps supplies
  109. transformer question
  110. Low Noise Linear regulator power supply
  111. High quality +/- 60v regulator options
  112. RC snubbers for diode recovery noise
  113. High Current Class A Amplifier Supply
  114. driving power mosfet with no gate resistor
  115. Simple regulated SMPS for my Ghettoblaster (pics)
  116. Power source for guitar amplifiers
  117. Duncan Designer II - Use of
  118. capacitor value help
  119. Silicon carbide rectifiers
  120. Duncan Designer II - Use of
  121. Inrush current limiter
  122. MIC pre-amps with switch mode supply
  123. Connecting centertaps together
  124. Regulated supply for power amp
  125. Are different sized power supply caps ok?
  126. LM1117 in DAC power supply
  127. How to connect PSU board to amp board?
  128. How do I measure amperage?
  129. Radio Spares 10,000uf polarity markings
  130. Some Wenzel "Cleanup" Sims
  131. Vicor Ripple Attenutation Module und Switched Power Supply
  132. 2x18VAC instead of 18-0-18
  133. Will this work-zener variable regulator
  134. Replacements reg´s circuits L7805 - Help.
  135. No power output on new SMPS
  136. storage caps AFTER the SMPS
  137. Field coil PS?
  138. power supply guide
  139. Hybrid Bridges
  140. parallel tube rectifier filaments
  141. wat the possiblities ??????
  142. Smallest (smd?) bipolar supply PCB/kit ?
  143. 400W PFC NEED HELP
  144. Local series regulators vs. global shunt regulator
  145. Diode regulator VS IC regulator.
  146. Help needed with complimentary pair.
  147. LM4780 Power Supply Capacitor
  148. arcam A80 Amplifier problem with power on button
  149. line filter
  150. What sort of PSU is this?
  151. 75VA EI or 80VA toroid.
  152. motorboating noise due to transformer?
  153. power for logic dm101
  154. Line voltage selector Revox B750 MK II blew up
  155. Transformer calculations
  156. Help with Victoria Magnetics Transformer
  157. Accu battery for LM3886
  158. Newbie attempt at a full-fledged Regulated PSU
  159. Lancing a wall-wart.
  160. spike problems
  161. Improve grounding - Does anyone know what this is about?
  162. Output voltage Alwsr super reg
  163. Question about 110V to 220V converter
  164. Could someone tell me a bit about this PS?
  165. inrush bypass using smps output
  166. Mic pre and phantom power PSU questions
  167. SMPS feedback path
  168. Boost converter
  169. How to reduce DC voltage ?
  170. Half Bridge SMPS series Capacitor selection
  171. Need recommendation for Salas Shunt type for AXO board
  172. Connecting a Meanwell s-350-27 to the mains power
  173. LM317 experiments and measurements
  174. Mounting an ei core sideways
  175. Tapping a main toroidal
  176. 750W SMPS
  177. need hel with smps txfr .........
  178. regulated PS grounding scheme questions
  179. 120 to 230 voltage automatic switch
  180. Cleaning up SMPS output
  181. Power Supply Questions
  182. I need 15 volts regulator from 40 volts DC
  183. Pre amp PSU
  184. Ground Hanger.....really!?!?
  185. Royer
  186. SMPS Forward Active Reset
  187. Low cost compact power supply for sub-mini tube preamp
  188. SMPS feedback compensation
  189. Permissable voltage sag?
  190. PS for t-amp, switching mode, where to get, DIY?
  191. Need help on RC filter for power supply
  192. 350w SMPS troubleshooting.
  193. Building SMPS for +50v and -50v
  194. Meanwell 27V 13A vs Noname with same spec?
  195. 1000W SMPS Based on IR2110
  196. filament wiring of dual rectifiers
  197. Best sounding SS rectifiers?
  198. help making sense of measurements
  199. EMI Filter Choke Safe?
  200. Transformer VA/current for 6xNE5532?
  201. Dual 12V preamp power supply
  202. Mark Levinson ML1
  203. Would this work? (15VAC to 12VDC & 24VDC)
  204. Beginner's Question : Identifying wires on a unknown transformer
  205. Zeners for shunt regulation and ground offset
  206. Big heavy Siga toroid...any ideas or use?
  207. what if common ground not zero volt
  208. Hypex SMPS's?
  209. Beginners Question
  210. Power Supply
  211. EI Transformer Questions
  212. Switch mode power supply in LCD TV
  213. Definitive Technology PF15TL/1500TL+ 240V AMP - AFAD
  214. Alternative Designs
  215. I need help building a power supply
  216. 300W SMPS design .............. fully tested
  217. I need an Audo Alchemy power supply
  218. need a amp to run a car amp inside
  219. Frequency generator 50-100kHz IC?
  220. Getting 14.4v
  221. Why is it not a Constant Current Source ?
  222. Need a -100V Voltage regulator
  223. 12V low power AC/DC PSU - Capacitor bank after regulator?
  224. Help modify PSU!
  225. Troubleshooting Sherwood RV-6010R surround reciever PSU
  226. laptop transformer
  227. Dual polarity power supply with a single secondary transformer?
  228. High current Jung power supply with HT regulator pcb
  229. earth grounding questions when using shielded cat5 & neutrikplugs
  230. Noisy IC Universal Regulator
  231. +-30Vout with LM31+337
  232. offline SMPS aux supply
  233. H-bridge inverter circuit
  234. Replacing Filtersupply large can capacitors
  235. SMPS IR2153 vs ATX transformers
  236. Protection circuit for IR2110 Class D Mosfet Driver ?
  237. Problem with schottky
  238. Super, basic power supply wiring question
  239. ESP Fan Controller to drive a relay
  240. Help Finding +/- 35V Power Supply
  241. Why transformerless PS = death?
  242. Will this blow my choke to pieces?
  243. Random attempt to improve power supply
  244. transformer and rectifier confuguration
  245. Virtual ground / Rail Splitter using only LM317
  246. Can you make an amp power supply out of a car radio vibrator?
  247. Isolation transformer connection
  248. 14.4vrms Full Load Transformer for Alpine MRV-F400
  249. 63V caps, 62V B+ PSU ehh
  250. Parallel caps in Hafler

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