View Full Version : Power Supplies

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  1. Onkyo CR-305TX PSU FAult
  2. transformer rewinding
  3. Power Switch 'pop's frequency?
  4. Switcher EMC design
  5. Class D amp Regulated power supply??
  6. choosing transformer VA rating
  7. What transformer do I need?
  8. Inrush current in smps and it's inductors?
  9. how to test a power supply?
  10. Salas shunt help
  11. 2.5V to power LED
  12. Power Suppy 12v - 13,8v
  13. Valve power supply - How to size transformer?
  14. Marantz SR-7400 ps repair
  15. shelf oscilating psu
  16. behringer mx9000 - psu problem? or other?
  17. ATX power supply from 0...+/-40Vdc and 0...8A
  18. JVC Shelf Component System Power supply
  19. Shunt Regulator
  20. etd34 nt enough for 400w pfc
  21. Power supply build question from a first time Amp buldier
  22. Linear PSU circuit
  24. Paul Hynes, reliable?
  25. Janus shunt regulator problem
  26. JSR-01 super reg problem with -5vdc
  27. Help me understand ripple rateing please, I'm stuck.
  28. High Current Power Supply (no big transformer)
  29. Beginners attempt at a Bench Supply or Class A Regulated PSU based on LM317
  30. Fast diodes for power amps?
  31. Multi-voltage PS
  32. schematic for audio smps?
  33. SSLV1.1 builds & fairy tales
  34. Is this really an SMPS?
  35. power supply problem
  36. LM3886 as a PSU?
  37. Suggestions on PCB: LM317 As Walwart Regulator (1st Eagle PCB)
  38. Transformers with multiple secondaries - calculaing VA rating
  39. Need help in designing my PSU
  40. Bash Amp Power Supply Repair
  41. AC/DC umbilical cord
  42. 12v Regulator
  43. 360W SMPS lower or higher power (core and freq.)
  44. Virtual CT to divide voltage?
  45. combine stereo channel filaments ?
  46. Transformer problems...
  47. Help with -15V converter
  48. MAX current from AC single phase
  49. DAC PSU - capacitor sizes
  50. Charge a 12V SLA while using the amplifier.
  51. Problem with negative ALW superregulator
  52. power supply bypass cap size
  53. Flyback converter problems (UC3845 + MOSFET)
  54. Final verification of Protective Earth wiring
  55. SMPS Gnd, Chassis-Gnd, and Layer Stack
  56. Help With SMPS Transformer Size ID
  57. dc-dc full bridge boost
  58. My PCB design of Salas SHunt Reg
  59. Power factor correction for audio?
  60. is it possible to make a transformer out of choke?
  61. fear to power it up!!!
  62. 800W SMPS with no Power factor corrector
  63. Power Supply PCB for Randy Slone Totempole Amp
  64. SMPS with split rail output for Class D?
  65. PSU for class D...how reference controller?
  66. Split rail supplys for Class D amplifiers?
  67. Easiest way to supply +-60 and +-45 for cheapie ebay amp?
  68. calculating inrush to a capacitor bank
  69. Tony's latest traffo DIY build
  70. Simple dual PS
  71. Two bridges and a CT transformer....
  72. LLC resonant SMPS not for guitar amps?
  73. using pc fan for cooling meanwell in case
  74. 40Amp / 700 microHenry Power Inductor
  75. modification of the BOZ power supply
  76. LM317T CCS Improvement
  77. Single 12v and +-12v needed, What options?
  78. DX Amp PSU with DC Protection
  79. PSU's for Squeezebox and USB D/A converter?
  80. 200W SMPS for Class D guitar amp
  81. Regulations for Audio Amp SMPS?
  82. Question: Subsituting Capacitors in Power Supply
  83. 700W PFC above 600V output
  84. how to get a bi-polar dc outputs from a single Battery!
  85. LiFePo4 charger ?
  86. Power Transformer Temp
  87. Problem with using UC3855: Low output Voltage
  88. impact of the capacitors value increase
  89. Is this transformer okay?
  90. Need suggestion for 6.3V-0-6.3V
  91. Simon Series Shunt Regulator
  92. HELP KRELL KRC power supply lead missing
  93. SMP Rails?
  94. Power Supply layout?
  95. WTD 120v AC regulation to 3% schematic?
  96. 12v to 70v 1400w what do you think?
  97. Can someone identify this mosfet manufacturer?
  98. need help with blown mosfets..plz....
  99. How are Transformer Watts Determined?
  100. Replacing Diodes in Vintage HP Power supply?
  101. multiple supply pls heelp
  102. vdc drop
  103. Using a large 60hz toroid transformer as an SMPS transformer
  104. High Voltage Bridge Rectifier Confusion
  105. SMPS Trouble
  106. Half bridge Vs full bridge smps supplies
  108. transformer question
  109. Low Noise Linear regulator power supply
  110. Computer grade electrolytics
  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. SS Rectifers and Zero-Crossing Distortion, possible fix or idotic idea?
  125. Regulated supply for power amp
  126. variac - breadboard with choke input
  127. Are different sized power supply caps ok?
  128. Twist-lok caps?
  129. LM1117 in DAC power supply
  130. How to connect PSU board to amp board?
  131. How do I measure amperage?
  132. Radio Spares 10,000uf polarity markings
  133. PSU sanity check - negative rail?
  134. Some Wenzel "Cleanup" Sims
  135. Vicor Ripple Attenutation Module und Switched Power Supply
  136. 2x18VAC instead of 18-0-18
  137. Will this work-zener variable regulator
  138. Possible PS chokes
  139. Replacements reg´s circuits L7805 - Help.
  140. No power output on new SMPS
  141. storage caps AFTER the SMPS
  142. Field coil PS?
  143. power supply guide
  144. Hybrid Bridges
  145. Regulated Supply for Direct Coupled Amp
  146. parallel tube rectifier filaments
  147. wat the possiblities ??????
  148. Smallest (smd?) bipolar supply PCB/kit ?
  149. Mains tranformer noise
  150. 400W PFC NEED HELP
  151. Local series regulators vs. global shunt regulator
  152. Diode regulator VS IC regulator.
  153. Help needed with complimentary pair.
  154. Power supply for heater
  155. LM4780 Power Supply Capacitor
  156. arcam A80 Amplifier problem with power on button
  157. line filter
  158. What sort of PSU is this?
  159. 75VA EI or 80VA toroid.
  160. motorboating noise due to transformer?
  161. power for logic dm101
  162. Need a 12.6 VDC power supply schematic
  163. Line voltage selector Revox B750 MK II blew up
  164. Transformer calculations
  165. Help with Victoria Magnetics Transformer
  166. Common-mode choke before or after?
  167. Accu battery for LM3886
  168. Newbie attempt at a full-fledged Regulated PSU
  169. Lancing a wall-wart.
  170. spike problems
  171. Improve grounding - Does anyone know what this is about?
  172. Output voltage Alwsr super reg
  173. Question about 110V to 220V converter
  174. Could someone tell me a bit about this PS?
  175. inrush bypass using smps output
  176. Lundahl and rectifier mismatch?
  177. Mic pre and phantom power PSU questions
  178. SMPS feedback path
  179. Boost converter
  180. How to reduce DC voltage ?
  181. Half Bridge SMPS series Capacitor selection
  182. Need recommendation for Salas Shunt type for AXO board
  183. Connecting a Meanwell s-350-27 to the mains power
  184. LM317 experiments and measurements
  185. PSU problem - Murphy is an ***hole!
  186. Mounting an ei core sideways
  187. Tapping a main toroidal
  188. 750W SMPS
  189. need hel with smps txfr .........
  190. Isolation transformation wiring project help
  191. regulated PS grounding scheme questions
  192. 120 to 230 voltage automatic switch
  193. Cleaning up SMPS output
  194. Power Supply Questions
  195. I need 15 volts regulator from 40 volts DC
  196. Pre amp PSU
  197. Ground Hanger.....really!?!?
  198. Royer
  199. SMPS Forward Active Reset
  200. Low cost compact power supply for sub-mini tube preamp
  201. Edcor power tx XPWR035 issue
  202. SMPS feedback compensation
  203. Permissable voltage sag?
  204. PS for t-amp, switching mode, where to get, DIY?
  205. Need help on RC filter for power supply
  206. 350w SMPS troubleshooting.
  207. Building SMPS for +50v and -50v
  208. Meanwell 27V 13A vs Noname with same spec?
  209. 1000W SMPS Based on IR2110
  210. filament wiring of dual rectifiers
  211. Best sounding SS rectifiers?
  212. help making sense of measurements
  213. EMI Filter Choke Safe?
  214. Transformer VA/current for 6xNE5532?
  215. Dual 12V preamp power supply
  216. Mark Levinson ML1
  217. Would this work? (15VAC to 12VDC & 24VDC)
  218. Beginner's Question : Identifying wires on a unknown transformer
  219. Zeners for shunt regulation and ground offset
  220. Big heavy Siga toroid...any ideas or use?
  221. what if common ground not zero volt
  222. Hypex SMPS's?
  223. Beginners Question
  224. Power Supply
  225. EI Transformer Questions
  226. Switch mode power supply in LCD TV
  227. Definitive Technology PF15TL/1500TL+ 240V AMP - AFAD
  228. Alternative Designs
  229. I need help building a power supply
  230. 300W SMPS design .............. fully tested
  231. I need an Audo Alchemy power supply
  232. need a amp to run a car amp inside
  233. Frequency generator 50-100kHz IC?
  234. Please help identify this Amveco toroidal transformer.
  235. Getting 14.4v
  236. Why is it not a Constant Current Source ?
  237. Need a -100V Voltage regulator
  238. 12V low power AC/DC PSU - Capacitor bank after regulator?
  239. Help modify PSU!
  240. Troubleshooting Sherwood RV-6010R surround reciever PSU
  241. laptop transformer
  242. Dual polarity power supply with a single secondary transformer?
  243. High current Jung power supply with HT regulator pcb
  244. earth grounding questions when using shielded cat5 & neutrikplugs
  245. Noisy IC Universal Regulator
  246. +-30Vout with LM31+337
  247. offline SMPS aux supply
  248. H-bridge inverter circuit
  249. Replacing Filtersupply large can capacitors
  250. Thoughts on PSU

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