View Full Version : Power Supplies

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  1. Digital audio and seperate power supplies
  2. Please . . . advice on filter caps
  3. Building a simple "soft start" speaker protection circuit
  4. Removing noise from power grid
  5. 6V -> 5V ?
  6. Problem with B&O ASP1000!
  7. Ceramic capacitor non-linearity
  8. Switch mode power supply w/ Voltage divider
  9. Onkyo CR-305TX PSU FAult
  10. transformer rewinding
  11. Power Switch 'pop's frequency?
  12. Switcher EMC design
  13. Class D amp Regulated power supply??
  14. choosing transformer VA rating
  15. What transformer do I need?
  16. Inrush current in smps and it's inductors?
  17. how to test a power supply?
  18. Salas shunt help
  19. 2.5V to power LED
  20. Power Suppy 12v - 13,8v
  21. Valve power supply - How to size transformer?
  22. Marantz SR-7400 ps repair
  23. shelf oscilating psu
  24. behringer mx9000 - psu problem? or other?
  25. ATX power supply from 0...+/-40Vdc and 0...8A
  26. JVC Shelf Component System Power supply
  27. Shunt Regulator
  28. etd34 nt enough for 400w pfc
  29. Power supply build question from a first time Amp buldier
  30. Linear PSU circuit
  32. Paul Hynes, reliable?
  33. Janus shunt regulator problem
  34. JSR-01 super reg problem with -5vdc
  35. Help me understand ripple rateing please, I'm stuck.
  36. High Current Power Supply (no big transformer)
  37. Beginners attempt at a Bench Supply or Class A Regulated PSU based on LM317
  38. Fast diodes for power amps?
  39. Multi-voltage PS
  40. schematic for audio smps?
  41. SSLV1.1 builds & fairy tales
  42. Is this really an SMPS?
  43. power supply problem
  44. LM3886 as a PSU?
  45. Suggestions on PCB: LM317 As Walwart Regulator (1st Eagle PCB)
  46. Transformers with multiple secondaries - calculaing VA rating
  47. Need help in designing my PSU
  48. Bash Amp Power Supply Repair
  49. AC/DC umbilical cord
  50. 12v Regulator
  51. 360W SMPS lower or higher power (core and freq.)
  52. Virtual CT to divide voltage?
  53. combine stereo channel filaments ?
  54. Transformer problems...
  55. Help with -15V converter
  56. MAX current from AC single phase
  57. DAC PSU - capacitor sizes
  58. Charge a 12V SLA while using the amplifier.
  59. Problem with negative ALW superregulator
  60. power supply bypass cap size
  61. Flyback converter problems (UC3845 + MOSFET)
  62. Final verification of Protective Earth wiring
  63. SMPS Gnd, Chassis-Gnd, and Layer Stack
  64. Help With SMPS Transformer Size ID
  65. dc-dc full bridge boost
  66. My PCB design of Salas SHunt Reg
  67. Power factor correction for audio?
  68. is it possible to make a transformer out of choke?
  69. fear to power it up!!!
  70. 800W SMPS with no Power factor corrector
  71. Power Supply PCB for Randy Slone Totempole Amp
  72. SMPS with split rail output for Class D?
  73. PSU for class D...how reference controller?
  74. Split rail supplys for Class D amplifiers?
  75. Easiest way to supply +-60 and +-45 for cheapie ebay amp?
  76. calculating inrush to a capacitor bank
  77. Tony's latest traffo DIY build
  78. Simple dual PS
  79. Two bridges and a CT transformer....
  80. LLC resonant SMPS not for guitar amps?
  81. using pc fan for cooling meanwell in case
  82. 40Amp / 700 microHenry Power Inductor
  83. modification of the BOZ power supply
  84. LM317T CCS Improvement
  85. Single 12v and +-12v needed, What options?
  86. DX Amp PSU with DC Protection
  87. PSU's for Squeezebox and USB D/A converter?
  88. 200W SMPS for Class D guitar amp
  89. Regulations for Audio Amp SMPS?
  90. Question: Subsituting Capacitors in Power Supply
  91. 700W PFC above 600V output
  92. how to get a bi-polar dc outputs from a single Battery!
  93. LiFePo4 charger ?
  94. Power Transformer Temp
  95. Problem with using UC3855: Low output Voltage
  96. impact of the capacitors value increase
  97. Is this transformer okay?
  98. Need suggestion for 6.3V-0-6.3V
  99. Simon Series Shunt Regulator
  100. HELP KRELL KRC power supply lead missing
  101. SMP Rails?
  102. Power Supply layout?
  103. WTD 120v AC regulation to 3% schematic?
  104. 12v to 70v 1400w what do you think?
  105. Can someone identify this mosfet manufacturer?
  106. need help with blown mosfets..plz....
  107. How are Transformer Watts Determined?
  108. Replacing Diodes in Vintage HP Power supply?
  109. multiple supply pls heelp
  110. vdc drop
  111. Using a large 60hz toroid transformer as an SMPS transformer
  112. High Voltage Bridge Rectifier Confusion
  113. SMPS Trouble
  114. Half bridge Vs full bridge smps supplies
  116. transformer question
  117. Low Noise Linear regulator power supply
  118. Computer grade electrolytics
  119. High quality +/- 60v regulator options
  120. RC snubbers for diode recovery noise
  121. High Current Class A Amplifier Supply
  122. driving power mosfet with no gate resistor
  123. Simple regulated SMPS for my Ghettoblaster (pics)
  124. Power source for guitar amplifiers
  125. Duncan Designer II - Use of
  126. capacitor value help
  127. Silicon carbide rectifiers
  128. Duncan Designer II - Use of
  129. Inrush current limiter
  130. MIC pre-amps with switch mode supply
  131. Connecting centertaps together
  132. SS Rectifers and Zero-Crossing Distortion, possible fix or idotic idea?
  133. Regulated supply for power amp
  134. variac - breadboard with choke input
  135. Are different sized power supply caps ok?
  136. Twist-lok caps?
  137. LM1117 in DAC power supply
  138. How to connect PSU board to amp board?
  139. How do I measure amperage?
  140. Radio Spares 10,000uf polarity markings
  141. PSU sanity check - negative rail?
  142. Some Wenzel "Cleanup" Sims
  143. Vicor Ripple Attenutation Module und Switched Power Supply
  144. 2x18VAC instead of 18-0-18
  145. Will this work-zener variable regulator
  146. Possible PS chokes
  147. Replacements reg´s circuits L7805 - Help.
  148. No power output on new SMPS
  149. storage caps AFTER the SMPS
  150. Field coil PS?
  151. power supply guide
  152. Hybrid Bridges
  153. Regulated Supply for Direct Coupled Amp
  154. parallel tube rectifier filaments
  155. wat the possiblities ??????
  156. Smallest (smd?) bipolar supply PCB/kit ?
  157. Mains tranformer noise
  158. 400W PFC NEED HELP
  159. Local series regulators vs. global shunt regulator
  160. Diode regulator VS IC regulator.
  161. Help needed with complimentary pair.
  162. Power supply for heater
  163. LM4780 Power Supply Capacitor
  164. arcam A80 Amplifier problem with power on button
  165. line filter
  166. What sort of PSU is this?
  167. 75VA EI or 80VA toroid.
  168. motorboating noise due to transformer?
  169. power for logic dm101
  170. Need a 12.6 VDC power supply schematic
  171. Line voltage selector Revox B750 MK II blew up
  172. Transformer calculations
  173. Help with Victoria Magnetics Transformer
  174. Common-mode choke before or after?
  175. Accu battery for LM3886
  176. Newbie attempt at a full-fledged Regulated PSU
  177. Lancing a wall-wart.
  178. spike problems
  179. Improve grounding - Does anyone know what this is about?
  180. Output voltage Alwsr super reg
  181. Question about 110V to 220V converter
  182. Could someone tell me a bit about this PS?
  183. inrush bypass using smps output
  184. Lundahl and rectifier mismatch?
  185. Mic pre and phantom power PSU questions
  186. SMPS feedback path
  187. Boost converter
  188. How to reduce DC voltage ?
  189. Half Bridge SMPS series Capacitor selection
  190. Need recommendation for Salas Shunt type for AXO board
  191. Connecting a Meanwell s-350-27 to the mains power
  192. LM317 experiments and measurements
  193. PSU problem - Murphy is an ***hole!
  194. Mounting an ei core sideways
  195. Tapping a main toroidal
  196. 750W SMPS
  197. need hel with smps txfr .........
  198. Isolation transformation wiring project help
  199. regulated PS grounding scheme questions
  200. 120 to 230 voltage automatic switch
  201. Cleaning up SMPS output
  202. Power Supply Questions
  203. I need 15 volts regulator from 40 volts DC
  204. Pre amp PSU
  205. Ground Hanger.....really!?!?
  206. Royer
  207. SMPS Forward Active Reset
  208. Low cost compact power supply for sub-mini tube preamp
  209. Edcor power tx XPWR035 issue
  210. SMPS feedback compensation
  211. Permissable voltage sag?
  212. PS for t-amp, switching mode, where to get, DIY?
  213. Need help on RC filter for power supply
  214. 350w SMPS troubleshooting.
  215. Building SMPS for +50v and -50v
  216. Meanwell 27V 13A vs Noname with same spec?
  217. 1000W SMPS Based on IR2110
  218. filament wiring of dual rectifiers
  219. Best sounding SS rectifiers?
  220. help making sense of measurements
  221. EMI Filter Choke Safe?
  222. Transformer VA/current for 6xNE5532?
  223. Dual 12V preamp power supply
  224. Mark Levinson ML1
  225. Would this work? (15VAC to 12VDC & 24VDC)
  226. Beginner's Question : Identifying wires on a unknown transformer
  227. Zeners for shunt regulation and ground offset
  228. Big heavy Siga toroid...any ideas or use?
  229. what if common ground not zero volt
  230. Hypex SMPS's?
  231. Beginners Question
  232. Power Supply
  233. EI Transformer Questions
  234. Switch mode power supply in LCD TV
  235. Definitive Technology PF15TL/1500TL+ 240V AMP - AFAD
  236. Alternative Designs
  237. I need help building a power supply
  238. 300W SMPS design .............. fully tested
  239. I need an Audo Alchemy power supply
  240. need a amp to run a car amp inside
  241. Frequency generator 50-100kHz IC?
  242. Please help identify this Amveco toroidal transformer.
  243. Getting 14.4v
  244. Why is it not a Constant Current Source ?
  245. Need a -100V Voltage regulator
  246. 12V low power AC/DC PSU - Capacitor bank after regulator?
  247. Help modify PSU!
  248. Troubleshooting Sherwood RV-6010R surround reciever PSU
  249. laptop transformer
  250. Dual polarity power supply with a single secondary transformer?

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