View Full Version : Power Supplies

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  1. Ferrite transformer SMPS-help!
  2. My first Jung regulator: help needed
  3. PFC EVM as 390V + 6.3V tube supply
  4. Power flow to Class D guitar amplifier
  5. ILP traffo info needed
  6. How to measure reverse recovery of HFA08TB60....
  7. Musical Fidelity P-140X PowerAmp without Transformer, need help!
  8. Completed my 450W SMps with Active pfc
  9. Connex A1000SMPS
  10. Project for the SMPS 350W!
  11. Two amps on one transformer?
  12. Transformer Selection
  13. AC Voltage on ungrounded SMPS output
  14. Carver CT-Seven transformer
  15. EMI Suppressing Capacitors
  16. Audio SMPS with PFC is overengineered?
  17. Power supply project
  18. Tying it all together - Low Noise Internal System Grounding
  19. Lowering power supply noise - looking for ideas
  20. LTC4365 protection IC
  21. SPower 78xx replacement
  22. Class D SMPS...with coupled inductor output?
  23. How do power leads make a difference to sound?
  24. Mains rectifier currents into SMPS
  25. Amp toroidal transformer
  26. BUF634 as power source for Bugle?
  27. Listening directly to DC Power Supplies
  28. reading an electrolytic capacitor can
  29. Linear PS with no ground pin
  30. Other type of transistor use for audio (amplification or power safety system)?
  31. Soft starting, Shutoff OR current limiter circuit
  32. DNM T-network cap in conventional power supply??
  33. 12V(fixed) with 3 Amp current
  34. The BoomCase By Mr. SiMo
  35. 230V<->100V converter???
  36. Great 12V regulator chip for car...I think
  37. How old electrolytic capacitors can safely be used?
  38. 15v to 3v question
  39. Is a power conditioner worth it?
  40. A switch for 2 power source for a single amp
  41. Head Amp PS
  42. protection circuit for TL494 Based smps
  43. Digital audio and seperate power supplies
  44. Please . . . advice on filter caps
  45. Building a simple "soft start" speaker protection circuit
  46. Removing noise from power grid
  47. 6V -> 5V ?
  48. Problem with B&O ASP1000!
  49. Ceramic capacitor non-linearity
  50. Switch mode power supply w/ Voltage divider
  52. transformer rewinding
  53. Power Switch 'pop's frequency?
  54. Switcher EMC design
  55. Class D amp Regulated power supply??
  56. choosing transformer VA rating
  57. What transformer do I need?
  58. Inrush current in smps and it's inductors?
  59. how to test a power supply?
  60. Salas shunt help
  61. 2.5V to power LED
  62. Power Suppy 12v - 13,8v
  63. Valve power supply - How to size transformer?
  64. Marantz SR-7400 ps repair
  65. shelf oscilating psu
  66. behringer mx9000 - psu problem? or other?
  67. ATX power supply from 0...+/-40Vdc and 0...8A
  68. JVC Shelf Component System Power supply
  69. Shunt Regulator
  70. etd34 nt enough for 400w pfc
  71. Power supply build question from a first time Amp buldier
  72. Linear PSU circuit
  74. Paul Hynes, reliable?
  75. Janus shunt regulator problem
  76. JSR-01 super reg problem with -5vdc
  77. Help me understand ripple rateing please, I'm stuck.
  78. High Current Power Supply (no big transformer)
  79. Beginners attempt at a Bench Supply or Class A Regulated PSU based on LM317
  80. Fast diodes for power amps?
  81. Multi-voltage PS
  82. schematic for audio smps?
  83. SSLV1.1 builds & fairy tales
  84. Is this really an SMPS?
  85. power supply problem
  86. LM3886 as a PSU?
  87. Suggestions on PCB: LM317 As Walwart Regulator (1st Eagle PCB)
  88. Transformers with multiple secondaries - calculaing VA rating
  89. Need help in designing my PSU
  90. Bash Amp Power Supply Repair
  91. AC/DC umbilical cord
  92. 12v Regulator
  93. 360W SMPS lower or higher power (core and freq.)
  94. Virtual CT to divide voltage?
  95. combine stereo channel filaments ?
  96. Transformer problems...
  97. Help with -15V converter
  98. MAX current from AC single phase
  99. DAC PSU - capacitor sizes
  100. Charge a 12V SLA while using the amplifier.
  101. Problem with negative ALW superregulator
  102. power supply bypass cap size
  103. Flyback converter problems (UC3845 + MOSFET)
  104. Final verification of Protective Earth wiring
  105. SMPS Gnd, Chassis-Gnd, and Layer Stack
  106. Help With SMPS Transformer Size ID
  107. dc-dc full bridge boost
  108. My PCB design of Salas SHunt Reg
  109. Power factor correction for audio?
  110. is it possible to make a transformer out of choke?
  111. fear to power it up!!!
  112. 800W SMPS with no Power factor corrector
  113. Power Supply PCB for Randy Slone Totempole Amp
  114. SMPS with split rail output for Class D?
  115. PSU for class D...how reference controller?
  116. Split rail supplys for Class D amplifiers?
  117. Easiest way to supply +-60 and +-45 for cheapie ebay amp?
  118. calculating inrush to a capacitor bank
  119. Tony's latest traffo DIY build
  120. Simple dual PS
  121. LLC resonant SMPS not for guitar amps?
  122. using pc fan for cooling meanwell in case
  123. 40Amp / 700 microHenry Power Inductor
  124. modification of the BOZ power supply
  125. LM317T CCS Improvement
  126. Single 12v and +-12v needed, What options?
  127. DX Amp PSU with DC Protection
  128. PSU's for Squeezebox and USB D/A converter?
  129. 200W SMPS for Class D guitar amp
  130. Regulations for Audio Amp SMPS?
  131. Question: Subsituting Capacitors in Power Supply
  132. 700W PFC above 600V output
  133. how to get a bi-polar dc outputs from a single Battery!
  134. LiFePo4 charger ?
  135. Problem with using UC3855: Low output Voltage
  136. impact of the capacitors value increase
  137. Is this transformer okay?
  138. Simon Series Shunt Regulator
  139. HELP KRELL KRC power supply lead missing
  140. SMP Rails?
  141. Power Supply layout?
  142. WTD 120v AC regulation to 3% schematic?
  143. 12v to 70v 1400w what do you think?
  144. Can someone identify this mosfet manufacturer?
  145. need help with blown mosfets..plz....
  146. How are Transformer Watts Determined?
  147. Replacing Diodes in Vintage HP Power supply?
  148. multiple supply pls heelp
  149. Using a large 60hz toroid transformer as an SMPS transformer
  150. High Voltage Bridge Rectifier Confusion
  151. SMPS Trouble
  152. Half bridge Vs full bridge smps supplies
  154. transformer question
  155. Low Noise Linear regulator power supply
  156. High quality +/- 60v regulator options
  157. RC snubbers for diode recovery noise
  158. High Current Class A Amplifier Supply
  159. driving power mosfet with no gate resistor
  160. Simple regulated SMPS for my Ghettoblaster (pics)
  161. Power source for guitar amplifiers
  162. Duncan Designer II - Use of
  163. capacitor value help
  164. Silicon carbide rectifiers
  165. Duncan Designer II - Use of
  166. Inrush current limiter
  167. MIC pre-amps with switch mode supply
  168. Connecting centertaps together
  169. Regulated supply for power amp
  170. Are different sized power supply caps ok?
  171. LM1117 in DAC power supply
  172. How to connect PSU board to amp board?
  173. How do I measure amperage?
  174. Radio Spares 10,000uf polarity markings
  175. Some Wenzel "Cleanup" Sims
  176. Vicor Ripple Attenutation Module und Switched Power Supply
  177. 2x18VAC instead of 18-0-18
  178. Will this work-zener variable regulator
  179. Replacements reg´s circuits L7805 - Help.
  180. No power output on new SMPS
  181. storage caps AFTER the SMPS
  182. Field coil PS?
  183. power supply guide
  184. Hybrid Bridges
  185. parallel tube rectifier filaments
  186. wat the possiblities ??????
  187. Smallest (smd?) bipolar supply PCB/kit ?
  188. 400W PFC NEED HELP
  189. Local series regulators vs. global shunt regulator
  190. Diode regulator VS IC regulator.
  191. Help needed with complimentary pair.
  192. LM4780 Power Supply Capacitor
  193. arcam A80 Amplifier problem with power on button
  194. line filter
  195. What sort of PSU is this?
  196. 75VA EI or 80VA toroid.
  197. motorboating noise due to transformer?
  198. power for logic dm101
  199. Line voltage selector Revox B750 MK II blew up
  200. Transformer calculations
  201. Help with Victoria Magnetics Transformer
  202. Accu battery for LM3886
  203. Newbie attempt at a full-fledged Regulated PSU
  204. Lancing a wall-wart.
  205. spike problems
  206. Improve grounding - Does anyone know what this is about?
  207. Output voltage Alwsr super reg
  208. Question about 110V to 220V converter
  209. Could someone tell me a bit about this PS?
  210. inrush bypass using smps output
  211. Mic pre and phantom power PSU questions
  212. SMPS feedback path
  213. Boost converter
  214. How to reduce DC voltage ?
  215. Half Bridge SMPS series Capacitor selection
  216. Need recommendation for Salas Shunt type for AXO board
  217. Connecting a Meanwell s-350-27 to the mains power
  218. LM317 experiments and measurements
  219. Mounting an ei core sideways
  220. Tapping a main toroidal
  221. 750W SMPS
  222. need hel with smps txfr .........
  223. regulated PS grounding scheme questions
  224. 120 to 230 voltage automatic switch
  225. Cleaning up SMPS output
  226. Power Supply Questions
  227. I need 15 volts regulator from 40 volts DC
  228. Pre amp PSU
  229. Ground Hanger.....really!?!?
  230. Royer
  231. SMPS Forward Active Reset
  232. Low cost compact power supply for sub-mini tube preamp
  233. SMPS feedback compensation
  234. Permissable voltage sag?
  235. PS for t-amp, switching mode, where to get, DIY?
  236. Need help on RC filter for power supply
  237. 350w SMPS troubleshooting.
  238. Building SMPS for +50v and -50v
  239. Meanwell 27V 13A vs Noname with same spec?
  240. 1000W SMPS Based on IR2110
  241. filament wiring of dual rectifiers
  242. Best sounding SS rectifiers?
  243. help making sense of measurements
  244. EMI Filter Choke Safe?
  245. Transformer VA/current for 6xNE5532?
  246. Dual 12V preamp power supply
  247. Mark Levinson ML1
  248. Would this work? (15VAC to 12VDC & 24VDC)
  249. Beginner's Question : Identifying wires on a unknown transformer
  250. Zeners for shunt regulation and ground offset

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