View Full Version : Power Supplies

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  1. Musical Fidelity P-140X PowerAmp without Transformer, need help!
  2. Completed my 450W SMps with Active pfc
  3. Connex A1000SMPS
  4. Project for the SMPS 350W!
  5. Two amps on one transformer?
  6. Transformer Selection
  7. AC Voltage on ungrounded SMPS output
  8. Carver CT-Seven transformer
  9. EMI Suppressing Capacitors
  10. Audio SMPS with PFC is overengineered?
  11. Power supply project
  12. Tying it all together - Low Noise Internal System Grounding
  13. Lowering power supply noise - looking for ideas
  14. LTC4365 protection IC
  15. SPower 78xx replacement
  16. Class D SMPS...with coupled inductor output?
  17. How do power leads make a difference to sound?
  18. Mains rectifier currents into SMPS
  19. Amp toroidal transformer
  20. BUF634 as power source for Bugle?
  21. Listening directly to DC Power Supplies
  22. reading an electrolytic capacitor can
  23. Linear PS with no ground pin
  24. Other type of transistor use for audio (amplification or power safety system)?
  25. Soft starting, Shutoff OR current limiter circuit
  26. DNM T-network cap in conventional power supply??
  27. 12V(fixed) with 3 Amp current
  28. The BoomCase By Mr. SiMo
  29. 230V<->100V converter???
  30. Great 12V regulator chip for car...I think
  31. How old electrolytic capacitors can safely be used?
  32. 15v to 3v question
  33. Is a power conditioner worth it?
  34. A switch for 2 power source for a single amp
  35. Head Amp PS
  36. protection circuit for TL494 Based smps
  37. Digital audio and seperate power supplies
  38. Please . . . advice on filter caps
  39. Building a simple "soft start" speaker protection circuit
  40. Removing noise from power grid
  41. 6V -> 5V ?
  42. Problem with B&O ASP1000!
  43. Ceramic capacitor non-linearity
  44. Switch mode power supply w/ Voltage divider
  46. transformer rewinding
  47. Power Switch 'pop's frequency?
  48. Switcher EMC design
  49. Class D amp Regulated power supply??
  50. choosing transformer VA rating
  51. What transformer do I need?
  52. Inrush current in smps and it's inductors?
  53. how to test a power supply?
  54. Salas shunt help
  55. 2.5V to power LED
  56. Power Suppy 12v - 13,8v
  57. Valve power supply - How to size transformer?
  58. Marantz SR-7400 ps repair
  59. shelf oscilating psu
  60. behringer mx9000 - psu problem? or other?
  61. ATX power supply from 0...+/-40Vdc and 0...8A
  62. JVC Shelf Component System Power supply
  63. Shunt Regulator
  64. etd34 nt enough for 400w pfc
  65. Power supply build question from a first time Amp buldier
  66. Linear PSU circuit
  68. Paul Hynes, reliable?
  69. Janus shunt regulator problem
  70. JSR-01 super reg problem with -5vdc
  71. Help me understand ripple rateing please, I'm stuck.
  72. High Current Power Supply (no big transformer)
  73. Beginners attempt at a Bench Supply or Class A Regulated PSU based on LM317
  74. Fast diodes for power amps?
  75. Multi-voltage PS
  76. schematic for audio smps?
  77. SSLV1.1 builds & fairy tales
  78. Is this really an SMPS?
  79. power supply problem
  80. LM3886 as a PSU?
  81. Suggestions on PCB: LM317 As Walwart Regulator (1st Eagle PCB)
  82. Transformers with multiple secondaries - calculaing VA rating
  83. Need help in designing my PSU
  84. Bash Amp Power Supply Repair
  85. AC/DC umbilical cord
  86. 12v Regulator
  87. 360W SMPS lower or higher power (core and freq.)
  88. Virtual CT to divide voltage?
  89. combine stereo channel filaments ?
  90. Transformer problems...
  91. Help with -15V converter
  92. MAX current from AC single phase
  93. DAC PSU - capacitor sizes
  94. Charge a 12V SLA while using the amplifier.
  95. Problem with negative ALW superregulator
  96. power supply bypass cap size
  97. Flyback converter problems (UC3845 + MOSFET)
  98. Final verification of Protective Earth wiring
  99. SMPS Gnd, Chassis-Gnd, and Layer Stack
  100. Help With SMPS Transformer Size ID
  101. dc-dc full bridge boost
  102. My PCB design of Salas SHunt Reg
  103. Power factor correction for audio?
  104. is it possible to make a transformer out of choke?
  105. fear to power it up!!!
  106. 800W SMPS with no Power factor corrector
  107. Power Supply PCB for Randy Slone Totempole Amp
  108. SMPS with split rail output for Class D?
  109. PSU for class D...how reference controller?
  110. Split rail supplys for Class D amplifiers?
  111. Easiest way to supply +-60 and +-45 for cheapie ebay amp?
  112. calculating inrush to a capacitor bank
  113. Tony's latest traffo DIY build
  114. Simple dual PS
  115. LLC resonant SMPS not for guitar amps?
  116. using pc fan for cooling meanwell in case
  117. 40Amp / 700 microHenry Power Inductor
  118. modification of the BOZ power supply
  119. LM317T CCS Improvement
  120. Single 12v and +-12v needed, What options?
  121. DX Amp PSU with DC Protection
  122. PSU's for Squeezebox and USB D/A converter?
  123. 200W SMPS for Class D guitar amp
  124. Regulations for Audio Amp SMPS?
  125. Question: Subsituting Capacitors in Power Supply
  126. 700W PFC above 600V output
  127. how to get a bi-polar dc outputs from a single Battery!
  128. LiFePo4 charger ?
  129. Problem with using UC3855: Low output Voltage
  130. impact of the capacitors value increase
  131. Is this transformer okay?
  132. Simon Series Shunt Regulator
  133. HELP KRELL KRC power supply lead missing
  134. SMP Rails?
  135. Power Supply layout?
  136. WTD 120v AC regulation to 3% schematic?
  137. 12v to 70v 1400w what do you think?
  138. Can someone identify this mosfet manufacturer?
  139. need help with blown mosfets..plz....
  140. How are Transformer Watts Determined?
  141. Replacing Diodes in Vintage HP Power supply?
  142. multiple supply pls heelp
  143. Using a large 60hz toroid transformer as an SMPS transformer
  144. High Voltage Bridge Rectifier Confusion
  145. SMPS Trouble
  146. Half bridge Vs full bridge smps supplies
  148. transformer question
  149. Low Noise Linear regulator power supply
  150. High quality +/- 60v regulator options
  151. RC snubbers for diode recovery noise
  152. High Current Class A Amplifier Supply
  153. driving power mosfet with no gate resistor
  154. Simple regulated SMPS for my Ghettoblaster (pics)
  155. Power source for guitar amplifiers
  156. Duncan Designer II - Use of
  157. capacitor value help
  158. Silicon carbide rectifiers
  159. Duncan Designer II - Use of
  160. Inrush current limiter
  161. MIC pre-amps with switch mode supply
  162. Connecting centertaps together
  163. Regulated supply for power amp
  164. Are different sized power supply caps ok?
  165. LM1117 in DAC power supply
  166. How to connect PSU board to amp board?
  167. How do I measure amperage?
  168. Radio Spares 10,000uf polarity markings
  169. Some Wenzel "Cleanup" Sims
  170. Vicor Ripple Attenutation Module und Switched Power Supply
  171. 2x18VAC instead of 18-0-18
  172. Will this work-zener variable regulator
  173. Replacements reg´s circuits L7805 - Help.
  174. No power output on new SMPS
  175. storage caps AFTER the SMPS
  176. Field coil PS?
  177. power supply guide
  178. Hybrid Bridges
  179. parallel tube rectifier filaments
  180. wat the possiblities ??????
  181. Smallest (smd?) bipolar supply PCB/kit ?
  182. 400W PFC NEED HELP
  183. Local series regulators vs. global shunt regulator
  184. Diode regulator VS IC regulator.
  185. Help needed with complimentary pair.
  186. LM4780 Power Supply Capacitor
  187. arcam A80 Amplifier problem with power on button
  188. line filter
  189. What sort of PSU is this?
  190. 75VA EI or 80VA toroid.
  191. motorboating noise due to transformer?
  192. power for logic dm101
  193. Line voltage selector Revox B750 MK II blew up
  194. Transformer calculations
  195. Help with Victoria Magnetics Transformer
  196. Accu battery for LM3886
  197. Newbie attempt at a full-fledged Regulated PSU
  198. Lancing a wall-wart.
  199. spike problems
  200. Improve grounding - Does anyone know what this is about?
  201. Output voltage Alwsr super reg
  202. Question about 110V to 220V converter
  203. Could someone tell me a bit about this PS?
  204. inrush bypass using smps output
  205. Mic pre and phantom power PSU questions
  206. SMPS feedback path
  207. Boost converter
  208. How to reduce DC voltage ?
  209. Half Bridge SMPS series Capacitor selection
  210. Need recommendation for Salas Shunt type for AXO board
  211. Connecting a Meanwell s-350-27 to the mains power
  212. LM317 experiments and measurements
  213. Mounting an ei core sideways
  214. Tapping a main toroidal
  215. 750W SMPS
  216. need hel with smps txfr .........
  217. regulated PS grounding scheme questions
  218. 120 to 230 voltage automatic switch
  219. Cleaning up SMPS output
  220. Power Supply Questions
  221. I need 15 volts regulator from 40 volts DC
  222. Pre amp PSU
  223. Ground Hanger.....really!?!?
  224. Royer
  225. SMPS Forward Active Reset
  226. Low cost compact power supply for sub-mini tube preamp
  227. SMPS feedback compensation
  228. Permissable voltage sag?
  229. PS for t-amp, switching mode, where to get, DIY?
  230. Need help on RC filter for power supply
  231. 350w SMPS troubleshooting.
  232. Building SMPS for +50v and -50v
  233. Meanwell 27V 13A vs Noname with same spec?
  234. 1000W SMPS Based on IR2110
  235. filament wiring of dual rectifiers
  236. Best sounding SS rectifiers?
  237. help making sense of measurements
  238. EMI Filter Choke Safe?
  239. Transformer VA/current for 6xNE5532?
  240. Dual 12V preamp power supply
  241. Mark Levinson ML1
  242. Would this work? (15VAC to 12VDC & 24VDC)
  243. Beginner's Question : Identifying wires on a unknown transformer
  244. Zeners for shunt regulation and ground offset
  245. Big heavy Siga toroid...any ideas or use?
  246. what if common ground not zero volt
  247. Hypex SMPS's?
  248. Beginners Question
  249. Power Supply
  250. EI Transformer Questions

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