View Full Version : Power Supplies

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  1. Janus regulator troubleshooting
  2. Power Transformer Issue
  3. need help picking torroid
  4. Bulgin AC power switch
  5. LM723 Voltage regulator
  6. Question: Dc on the Mains from three phase?
  7. Using a 24v SMPS for a 12v board?
  8. Best Capacitor for Bridge Diode Snubber?
  9. Efficiency of 1000W flyback
  10. SMPS from Connexelectric?
  11. SMPS Question
  12. Quality SMSP with 2x35V/2x5A !
  13. Current density in smps transformer windings
  14. Gigaworks regulated PS
  15. Power supply positive-negative-ground from a single power supply
  16. hypex softstart for high power PSU
  17. SMPS noisy and overheating
  18. Comments on National Semiconductor Power Supply Design??
  19. Main Filter Caps/Bypass formula?
  20. Transformer winding -101
  21. A question about LM7812 (Regulator)
  22. Gigrac 1000st Power Supply
  23. Full Bridge SMPS is cheaper than Half-Bridge?
  24. LME49811 as a guitar amp.
  25. Extra leads from transformer, et al.
  26. Suggest a board - 18vac to 12vdc
  27. Onkyo amp expert help needed.. or really anyone that can diagnose a problem
  28. Voltage remains constant, right?
  29. First PSU, got a question
  30. How to measure transformer output
  31. High capacitance vs load on Bridge rectifiers
  33. Regulation of +/-50V SMPS for Class D?
  34. SMPS 100V 1A with PFC Help Needed
  35. SMPS Output Inductor Design
  36. A little sourcing help
  37. Ferrite transformer SMPS-help!
  38. My first Jung regulator: help needed
  39. PFC EVM as 390V + 6.3V tube supply
  40. Power flow to Class D guitar amplifier
  41. ILP traffo info needed
  42. How to measure reverse recovery of HFA08TB60....
  43. Musical Fidelity P-140X PowerAmp without Transformer, need help!
  44. Completed my 450W SMps with Active pfc
  45. Connex A1000SMPS
  46. Project for the SMPS 350W!
  47. Two amps on one transformer?
  48. Transformer Selection
  49. AC Voltage on ungrounded SMPS output
  50. Carver CT-Seven transformer
  51. EMI Suppressing Capacitors
  52. Audio SMPS with PFC is overengineered?
  53. Power supply project
  54. Tying it all together - Low Noise Internal System Grounding
  55. Lowering power supply noise - looking for ideas
  56. LTC4365 protection IC
  57. SPower 78xx replacement
  58. Class D SMPS...with coupled inductor output?
  59. How do power leads make a difference to sound?
  60. Mains rectifier currents into SMPS
  61. Amp toroidal transformer
  62. BUF634 as power source for Bugle?
  63. Listening directly to DC Power Supplies
  64. reading an electrolytic capacitor can
  65. Linear PS with no ground pin
  66. Other type of transistor use for audio (amplification or power safety system)?
  67. Soft starting, Shutoff OR current limiter circuit
  68. DNM T-network cap in conventional power supply??
  69. 12V(fixed) with 3 Amp current
  70. The BoomCase By Mr. SiMo
  71. 230V<->100V converter???
  72. Great 12V regulator chip for car...I think
  73. How old electrolytic capacitors can safely be used?
  74. 15v to 3v question
  75. Is a power conditioner worth it?
  76. A switch for 2 power source for a single amp
  77. Head Amp PS
  78. protection circuit for TL494 Based smps
  79. Digital audio and seperate power supplies
  80. Please . . . advice on filter caps
  81. Building a simple "soft start" speaker protection circuit
  82. Removing noise from power grid
  83. 6V -> 5V ?
  84. Problem with B&O ASP1000!
  85. Ceramic capacitor non-linearity
  86. Switch mode power supply w/ Voltage divider
  88. transformer rewinding
  89. Power Switch 'pop's frequency?
  90. Switcher EMC design
  91. Class D amp Regulated power supply??
  92. choosing transformer VA rating
  93. What transformer do I need?
  94. Inrush current in smps and it's inductors?
  95. how to test a power supply?
  96. Salas shunt help
  97. 2.5V to power LED
  98. Power Suppy 12v - 13,8v
  99. Valve power supply - How to size transformer?
  100. Marantz SR-7400 ps repair
  101. shelf oscilating psu
  102. behringer mx9000 - psu problem? or other?
  103. ATX power supply from 0...+/-40Vdc and 0...8A
  104. JVC Shelf Component System Power supply
  105. Shunt Regulator
  106. etd34 nt enough for 400w pfc
  107. Power supply build question from a first time Amp buldier
  108. Linear PSU circuit
  110. Paul Hynes, reliable?
  111. Janus shunt regulator problem
  112. JSR-01 super reg problem with -5vdc
  113. Help me understand ripple rateing please, I'm stuck.
  114. High Current Power Supply (no big transformer)
  115. Beginners attempt at a Bench Supply or Class A Regulated PSU based on LM317
  116. Fast diodes for power amps?
  117. Multi-voltage PS
  118. schematic for audio smps?
  119. SSLV1.1 builds & fairy tales
  120. Is this really an SMPS?
  121. power supply problem
  122. LM3886 as a PSU?
  123. Suggestions on PCB: LM317 As Walwart Regulator (1st Eagle PCB)
  124. Transformers with multiple secondaries - calculaing VA rating
  125. Need help in designing my PSU
  126. Bash Amp Power Supply Repair
  127. AC/DC umbilical cord
  128. 12v Regulator
  129. 360W SMPS lower or higher power (core and freq.)
  130. Virtual CT to divide voltage?
  131. combine stereo channel filaments ?
  132. Transformer problems...
  133. Help with -15V converter
  134. MAX current from AC single phase
  135. DAC PSU - capacitor sizes
  136. Charge a 12V SLA while using the amplifier.
  137. Problem with negative ALW superregulator
  138. power supply bypass cap size
  139. Flyback converter problems (UC3845 + MOSFET)
  140. Final verification of Protective Earth wiring
  141. SMPS Gnd, Chassis-Gnd, and Layer Stack
  142. Help With SMPS Transformer Size ID
  143. dc-dc full bridge boost
  144. My PCB design of Salas SHunt Reg
  145. Power factor correction for audio?
  146. is it possible to make a transformer out of choke?
  147. fear to power it up!!!
  148. 800W SMPS with no Power factor corrector
  149. Power Supply PCB for Randy Slone Totempole Amp
  150. SMPS with split rail output for Class D?
  151. PSU for class D...how reference controller?
  152. Split rail supplys for Class D amplifiers?
  153. Easiest way to supply +-60 and +-45 for cheapie ebay amp?
  154. calculating inrush to a capacitor bank
  155. Tony's latest traffo DIY build
  156. Simple dual PS
  157. LLC resonant SMPS not for guitar amps?
  158. using pc fan for cooling meanwell in case
  159. 40Amp / 700 microHenry Power Inductor
  160. modification of the BOZ power supply
  161. LM317T CCS Improvement
  162. Single 12v and +-12v needed, What options?
  163. DX Amp PSU with DC Protection
  164. PSU's for Squeezebox and USB D/A converter?
  165. 200W SMPS for Class D guitar amp
  166. Regulations for Audio Amp SMPS?
  167. Question: Subsituting Capacitors in Power Supply
  168. 700W PFC above 600V output
  169. how to get a bi-polar dc outputs from a single Battery!
  170. LiFePo4 charger ?
  171. Problem with using UC3855: Low output Voltage
  172. impact of the capacitors value increase
  173. Is this transformer okay?
  174. Simon Series Shunt Regulator
  175. HELP KRELL KRC power supply lead missing
  176. SMP Rails?
  177. Power Supply layout?
  178. WTD 120v AC regulation to 3% schematic?
  179. 12v to 70v 1400w what do you think?
  180. Can someone identify this mosfet manufacturer?
  181. need help with blown mosfets..plz....
  182. How are Transformer Watts Determined?
  183. Replacing Diodes in Vintage HP Power supply?
  184. multiple supply pls heelp
  185. Using a large 60hz toroid transformer as an SMPS transformer
  186. High Voltage Bridge Rectifier Confusion
  187. SMPS Trouble
  188. Half bridge Vs full bridge smps supplies
  190. transformer question
  191. Low Noise Linear regulator power supply
  192. High quality +/- 60v regulator options
  193. RC snubbers for diode recovery noise
  194. High Current Class A Amplifier Supply
  195. driving power mosfet with no gate resistor
  196. Simple regulated SMPS for my Ghettoblaster (pics)
  197. Power source for guitar amplifiers
  198. Duncan Designer II - Use of
  199. capacitor value help
  200. Silicon carbide rectifiers
  201. Duncan Designer II - Use of
  202. Inrush current limiter
  203. MIC pre-amps with switch mode supply
  204. Connecting centertaps together
  205. Regulated supply for power amp
  206. Are different sized power supply caps ok?
  207. LM1117 in DAC power supply
  208. How to connect PSU board to amp board?
  209. How do I measure amperage?
  210. Radio Spares 10,000uf polarity markings
  211. Some Wenzel "Cleanup" Sims
  212. Vicor Ripple Attenutation Module und Switched Power Supply
  213. 2x18VAC instead of 18-0-18
  214. Will this work-zener variable regulator
  215. Replacements reg´s circuits L7805 - Help.
  216. No power output on new SMPS
  217. storage caps AFTER the SMPS
  218. Field coil PS?
  219. power supply guide
  220. Hybrid Bridges
  221. parallel tube rectifier filaments
  222. wat the possiblities ??????
  223. Smallest (smd?) bipolar supply PCB/kit ?
  224. 400W PFC NEED HELP
  225. Local series regulators vs. global shunt regulator
  226. Diode regulator VS IC regulator.
  227. Help needed with complimentary pair.
  228. LM4780 Power Supply Capacitor
  229. arcam A80 Amplifier problem with power on button
  230. line filter
  231. What sort of PSU is this?
  232. 75VA EI or 80VA toroid.
  233. motorboating noise due to transformer?
  234. power for logic dm101
  235. Line voltage selector Revox B750 MK II blew up
  236. Transformer calculations
  237. Help with Victoria Magnetics Transformer
  238. Accu battery for LM3886
  239. Newbie attempt at a full-fledged Regulated PSU
  240. Lancing a wall-wart.
  241. spike problems
  242. Improve grounding - Does anyone know what this is about?
  243. Output voltage Alwsr super reg
  244. Question about 110V to 220V converter
  245. Could someone tell me a bit about this PS?
  246. inrush bypass using smps output
  247. Mic pre and phantom power PSU questions
  248. SMPS feedback path
  249. Boost converter
  250. How to reduce DC voltage ?

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