View Full Version : Power Supplies

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  1. Question: Dc on the Mains from three phase?
  2. Using a 24v SMPS for a 12v board?
  3. Best Capacitor for Bridge Diode Snubber?
  4. Efficiency of 1000W flyback
  5. SMPS from Connexelectric?
  6. SMPS Question
  7. Quality SMSP with 2x35V/2x5A !
  8. Current density in smps transformer windings
  9. Gigaworks regulated PS
  10. Power supply positive-negative-ground from a single power supply
  11. hypex softstart for high power PSU
  12. SMPS noisy and overheating
  13. Comments on National Semiconductor Power Supply Design??
  14. Main Filter Caps/Bypass formula?
  15. Transformer winding -101
  16. A question about LM7812 (Regulator)
  17. Gigrac 1000st Power Supply
  18. Full Bridge SMPS is cheaper than Half-Bridge?
  19. LME49811 as a guitar amp.
  20. Extra leads from transformer, et al.
  21. Suggest a board - 18vac to 12vdc
  22. Onkyo amp expert help needed.. or really anyone that can diagnose a problem
  23. Voltage remains constant, right?
  24. First PSU, got a question
  25. How to measure transformer output
  26. High capacitance vs load on Bridge rectifiers
  28. Regulation of +/-50V SMPS for Class D?
  29. SMPS 100V 1A with PFC Help Needed
  30. SMPS Output Inductor Design
  31. A little sourcing help
  32. Ferrite transformer SMPS-help!
  33. My first Jung regulator: help needed
  34. PFC EVM as 390V + 6.3V tube supply
  35. Power flow to Class D guitar amplifier
  36. ILP traffo info needed
  37. How to measure reverse recovery of HFA08TB60....
  38. Musical Fidelity P-140X PowerAmp without Transformer, need help!
  39. Completed my 450W SMps with Active pfc
  40. Connex A1000SMPS
  41. Project for the SMPS 350W!
  42. Two amps on one transformer?
  43. Transformer Selection
  44. AC Voltage on ungrounded SMPS output
  45. Carver CT-Seven transformer
  46. EMI Suppressing Capacitors
  47. Audio SMPS with PFC is overengineered?
  48. Power supply project
  49. Tying it all together - Low Noise Internal System Grounding
  50. Lowering power supply noise - looking for ideas
  51. LTC4365 protection IC
  52. SPower 78xx replacement
  53. Class D SMPS...with coupled inductor output?
  54. How do power leads make a difference to sound?
  55. Mains rectifier currents into SMPS
  56. Amp toroidal transformer
  57. BUF634 as power source for Bugle?
  58. Listening directly to DC Power Supplies
  59. reading an electrolytic capacitor can
  60. Linear PS with no ground pin
  61. Other type of transistor use for audio (amplification or power safety system)?
  62. Soft starting, Shutoff OR current limiter circuit
  63. DNM T-network cap in conventional power supply??
  64. 12V(fixed) with 3 Amp current
  65. The BoomCase By Mr. SiMo
  66. 230V<->100V converter???
  67. Great 12V regulator chip for car...I think
  68. How old electrolytic capacitors can safely be used?
  69. 15v to 3v question
  70. Is a power conditioner worth it?
  71. A switch for 2 power source for a single amp
  72. Head Amp PS
  73. protection circuit for TL494 Based smps
  74. Digital audio and seperate power supplies
  75. Please . . . advice on filter caps
  76. Building a simple "soft start" speaker protection circuit
  77. Removing noise from power grid
  78. 6V -> 5V ?
  79. Problem with B&O ASP1000!
  80. Ceramic capacitor non-linearity
  81. Switch mode power supply w/ Voltage divider
  83. transformer rewinding
  84. Power Switch 'pop's frequency?
  85. Switcher EMC design
  86. Class D amp Regulated power supply??
  87. choosing transformer VA rating
  88. What transformer do I need?
  89. Inrush current in smps and it's inductors?
  90. how to test a power supply?
  91. Salas shunt help
  92. 2.5V to power LED
  93. Power Suppy 12v - 13,8v
  94. Valve power supply - How to size transformer?
  95. Marantz SR-7400 ps repair
  96. shelf oscilating psu
  97. behringer mx9000 - psu problem? or other?
  98. ATX power supply from 0...+/-40Vdc and 0...8A
  99. JVC Shelf Component System Power supply
  100. Shunt Regulator
  101. etd34 nt enough for 400w pfc
  102. Power supply build question from a first time Amp buldier
  103. Linear PSU circuit
  105. Paul Hynes, reliable?
  106. Janus shunt regulator problem
  107. JSR-01 super reg problem with -5vdc
  108. Help me understand ripple rateing please, I'm stuck.
  109. High Current Power Supply (no big transformer)
  110. Beginners attempt at a Bench Supply or Class A Regulated PSU based on LM317
  111. Fast diodes for power amps?
  112. Multi-voltage PS
  113. schematic for audio smps?
  114. SSLV1.1 builds & fairy tales
  115. Is this really an SMPS?
  116. power supply problem
  117. LM3886 as a PSU?
  118. Suggestions on PCB: LM317 As Walwart Regulator (1st Eagle PCB)
  119. Transformers with multiple secondaries - calculaing VA rating
  120. Need help in designing my PSU
  121. Bash Amp Power Supply Repair
  122. AC/DC umbilical cord
  123. 12v Regulator
  124. 360W SMPS lower or higher power (core and freq.)
  125. Virtual CT to divide voltage?
  126. combine stereo channel filaments ?
  127. Transformer problems...
  128. Help with -15V converter
  129. MAX current from AC single phase
  130. DAC PSU - capacitor sizes
  131. Charge a 12V SLA while using the amplifier.
  132. Problem with negative ALW superregulator
  133. power supply bypass cap size
  134. Flyback converter problems (UC3845 + MOSFET)
  135. Final verification of Protective Earth wiring
  136. SMPS Gnd, Chassis-Gnd, and Layer Stack
  137. Help With SMPS Transformer Size ID
  138. dc-dc full bridge boost
  139. My PCB design of Salas SHunt Reg
  140. Power factor correction for audio?
  141. is it possible to make a transformer out of choke?
  142. fear to power it up!!!
  143. 800W SMPS with no Power factor corrector
  144. Power Supply PCB for Randy Slone Totempole Amp
  145. SMPS with split rail output for Class D?
  146. PSU for class D...how reference controller?
  147. Split rail supplys for Class D amplifiers?
  148. Easiest way to supply +-60 and +-45 for cheapie ebay amp?
  149. calculating inrush to a capacitor bank
  150. Tony's latest traffo DIY build
  151. Simple dual PS
  152. LLC resonant SMPS not for guitar amps?
  153. using pc fan for cooling meanwell in case
  154. 40Amp / 700 microHenry Power Inductor
  155. modification of the BOZ power supply
  156. LM317T CCS Improvement
  157. Single 12v and +-12v needed, What options?
  158. DX Amp PSU with DC Protection
  159. PSU's for Squeezebox and USB D/A converter?
  160. 200W SMPS for Class D guitar amp
  161. Regulations for Audio Amp SMPS?
  162. Question: Subsituting Capacitors in Power Supply
  163. 700W PFC above 600V output
  164. how to get a bi-polar dc outputs from a single Battery!
  165. LiFePo4 charger ?
  166. Problem with using UC3855: Low output Voltage
  167. impact of the capacitors value increase
  168. Is this transformer okay?
  169. Simon Series Shunt Regulator
  170. HELP KRELL KRC power supply lead missing
  171. SMP Rails?
  172. Power Supply layout?
  173. WTD 120v AC regulation to 3% schematic?
  174. 12v to 70v 1400w what do you think?
  175. Can someone identify this mosfet manufacturer?
  176. need help with blown mosfets..plz....
  177. How are Transformer Watts Determined?
  178. Replacing Diodes in Vintage HP Power supply?
  179. multiple supply pls heelp
  180. Using a large 60hz toroid transformer as an SMPS transformer
  181. High Voltage Bridge Rectifier Confusion
  182. SMPS Trouble
  183. Half bridge Vs full bridge smps supplies
  185. transformer question
  186. Low Noise Linear regulator power supply
  187. High quality +/- 60v regulator options
  188. RC snubbers for diode recovery noise
  189. High Current Class A Amplifier Supply
  190. driving power mosfet with no gate resistor
  191. Simple regulated SMPS for my Ghettoblaster (pics)
  192. Power source for guitar amplifiers
  193. Duncan Designer II - Use of
  194. capacitor value help
  195. Silicon carbide rectifiers
  196. Duncan Designer II - Use of
  197. Inrush current limiter
  198. MIC pre-amps with switch mode supply
  199. Connecting centertaps together
  200. Regulated supply for power amp
  201. Are different sized power supply caps ok?
  202. LM1117 in DAC power supply
  203. How to connect PSU board to amp board?
  204. How do I measure amperage?
  205. Radio Spares 10,000uf polarity markings
  206. Some Wenzel "Cleanup" Sims
  207. Vicor Ripple Attenutation Module und Switched Power Supply
  208. 2x18VAC instead of 18-0-18
  209. Will this work-zener variable regulator
  210. Replacements reg´s circuits L7805 - Help.
  211. No power output on new SMPS
  212. storage caps AFTER the SMPS
  213. Field coil PS?
  214. power supply guide
  215. Hybrid Bridges
  216. parallel tube rectifier filaments
  217. wat the possiblities ??????
  218. Smallest (smd?) bipolar supply PCB/kit ?
  219. 400W PFC NEED HELP
  220. Local series regulators vs. global shunt regulator
  221. Diode regulator VS IC regulator.
  222. Help needed with complimentary pair.
  223. LM4780 Power Supply Capacitor
  224. arcam A80 Amplifier problem with power on button
  225. line filter
  226. What sort of PSU is this?
  227. 75VA EI or 80VA toroid.
  228. motorboating noise due to transformer?
  229. power for logic dm101
  230. Line voltage selector Revox B750 MK II blew up
  231. Transformer calculations
  232. Help with Victoria Magnetics Transformer
  233. Accu battery for LM3886
  234. Newbie attempt at a full-fledged Regulated PSU
  235. Lancing a wall-wart.
  236. spike problems
  237. Improve grounding - Does anyone know what this is about?
  238. Output voltage Alwsr super reg
  239. Question about 110V to 220V converter
  240. Could someone tell me a bit about this PS?
  241. inrush bypass using smps output
  242. Mic pre and phantom power PSU questions
  243. SMPS feedback path
  244. Boost converter
  245. How to reduce DC voltage ?
  246. Half Bridge SMPS series Capacitor selection
  247. Need recommendation for Salas Shunt type for AXO board
  248. Connecting a Meanwell s-350-27 to the mains power
  249. LM317 experiments and measurements
  250. Mounting an ei core sideways

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