View Full Version : Power Supplies

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  1. Popping sound from turning off a power strip
  2. Tv power transformers for audio use?
  3. Ripple current in input capacitor too high?
  4. 6992 Pre Amp PSU, whats wrong here?
  5. No frills, cheap 'n crude HV shunt-reg/hum-killer
  6. Noobie dual secondary question
  7. Center tap toroidal transformer
  8. Resonance of LC output stage of Full-bridge?
  9. Inrush current limiter and choosing a correct relay
  10. Torodial transformer - help with secondary windings
  11. Toroid Toroidal Power Transformer Installation
  12. Simple PSU question .....
  13. PSB SubSonic 5i problems- no go
  14. Help powering electret
  15. 36volt 6amp power supply for LED
  16. Help with choosing a transformer?
  17. HV shunt regulator
  18. Dumb question time - tapped choke
  19. Where is it best to send the rectified DC
  20. universal smps ....without pfc fron end
  21. using a transformer in reverse ??
  22. Somebody help me understand the principles behind this DC blocker?
  23. High power buck converter 36v output for electric vehicle.
  24. Toroidal Transformer hook up.
  25. Simplest regulator for 1500v?
  26. Beginner regulated buck converter, 20-30v in, 13.8v out
  27. IXFH32N50
  28. Quad Rail ATX Power Supply
  29. This project SMPS in English
  30. Preamplifier Power Supply Rail Capacitance, How Much? - DH-101 vs DH-110
  31. Cross-regulation vs transient response ..?
  32. SMPS a converter - help!
  33. Power Supply Bypass Cap?
  34. Current mode and coupled output inductor?
  35. Doing slope compensation with MC34025 full bridge
  36. The schematic for 100W Hi-Fi amplifier
  37. SMPS for Audio with DSP Class D
  38. 100V rated caps @ 35V
  39. Jan's quizz in the February Newsletter
  40. Amp PSU Pops
  41. can i use this rectifier? help thanks
  42. Radiated Emission Tests
  43. floating power supply designs
  44. 230 50hz-120v 60hz
  45. Please clarify power calculation
  46. applying smps to a preamp with rectified power supply
  47. Possible to charge 24 V Battery with 10 Ampere SMPS ?
  48. Switching Power Supply Eagle File
  49. Janus regulator troubleshooting
  50. Power Transformer Issue
  51. need help picking torroid
  52. Bulgin AC power switch
  53. LM723 Voltage regulator
  54. Question: Dc on the Mains from three phase?
  55. Using a 24v SMPS for a 12v board?
  56. Best Capacitor for Bridge Diode Snubber?
  57. Efficiency of 1000W flyback
  58. SMPS from Connexelectric?
  59. SMPS Question
  60. Quality SMSP with 2x35V/2x5A !
  61. Current density in smps transformer windings
  62. Gigaworks regulated PS
  63. Power supply positive-negative-ground from a single power supply
  64. hypex softstart for high power PSU
  65. SMPS noisy and overheating
  66. Comments on National Semiconductor Power Supply Design??
  67. Main Filter Caps/Bypass formula?
  68. Transformer winding -101
  69. A question about LM7812 (Regulator)
  70. Gigrac 1000st Power Supply
  71. Full Bridge SMPS is cheaper than Half-Bridge?
  72. LME49811 as a guitar amp.
  73. Extra leads from transformer, et al.
  74. Suggest a board - 18vac to 12vdc
  75. Onkyo amp expert help needed.. or really anyone that can diagnose a problem
  76. Voltage remains constant, right?
  77. First PSU, got a question
  78. How to measure transformer output
  79. High capacitance vs load on Bridge rectifiers
  81. Regulation of +/-50V SMPS for Class D?
  82. SMPS 100V 1A with PFC Help Needed
  83. SMPS Output Inductor Design
  84. A little sourcing help
  85. Ferrite transformer SMPS-help!
  86. My first Jung regulator: help needed
  87. PFC EVM as 390V + 6.3V tube supply
  88. Power flow to Class D guitar amplifier
  89. ILP traffo info needed
  90. How to measure reverse recovery of HFA08TB60....
  91. Musical Fidelity P-140X PowerAmp without Transformer, need help!
  92. Completed my 450W SMps with Active pfc
  93. Connex A1000SMPS
  94. Project for the SMPS 350W!
  95. Two amps on one transformer?
  96. Transformer Selection
  97. AC Voltage on ungrounded SMPS output
  98. Carver CT-Seven transformer
  99. EMI Suppressing Capacitors
  100. Audio SMPS with PFC is overengineered?
  101. Power supply project
  102. Tying it all together - Low Noise Internal System Grounding
  103. Lowering power supply noise - looking for ideas
  104. LTC4365 protection IC
  105. SPower 78xx replacement
  106. Class D SMPS...with coupled inductor output?
  107. How do power leads make a difference to sound?
  108. Mains rectifier currents into SMPS
  109. Amp toroidal transformer
  110. BUF634 as power source for Bugle?
  111. Listening directly to DC Power Supplies
  112. reading an electrolytic capacitor can
  113. Linear PS with no ground pin
  114. Other type of transistor use for audio (amplification or power safety system)?
  115. Soft starting, Shutoff OR current limiter circuit
  116. DNM T-network cap in conventional power supply??
  117. 12V(fixed) with 3 Amp current
  118. The BoomCase By Mr. SiMo
  119. 230V<->100V converter???
  120. Great 12V regulator chip for car...I think
  121. How old electrolytic capacitors can safely be used?
  122. 15v to 3v question
  123. Is a power conditioner worth it?
  124. A switch for 2 power source for a single amp
  125. Head Amp PS
  126. protection circuit for TL494 Based smps
  127. Digital audio and seperate power supplies
  128. Please . . . advice on filter caps
  129. Building a simple "soft start" speaker protection circuit
  130. Removing noise from power grid
  131. 6V -> 5V ?
  132. Problem with B&O ASP1000!
  133. Ceramic capacitor non-linearity
  134. Switch mode power supply w/ Voltage divider
  136. transformer rewinding
  137. Power Switch 'pop's frequency?
  138. Switcher EMC design
  139. Class D amp Regulated power supply??
  140. choosing transformer VA rating
  141. What transformer do I need?
  142. Inrush current in smps and it's inductors?
  143. how to test a power supply?
  144. Salas shunt help
  145. 2.5V to power LED
  146. Power Suppy 12v - 13,8v
  147. Valve power supply - How to size transformer?
  148. Marantz SR-7400 ps repair
  149. shelf oscilating psu
  150. behringer mx9000 - psu problem? or other?
  151. ATX power supply from 0...+/-40Vdc and 0...8A
  152. JVC Shelf Component System Power supply
  153. Shunt Regulator
  154. etd34 nt enough for 400w pfc
  155. Power supply build question from a first time Amp buldier
  156. Linear PSU circuit
  158. Paul Hynes, reliable?
  159. Janus shunt regulator problem
  160. JSR-01 super reg problem with -5vdc
  161. Help me understand ripple rateing please, I'm stuck.
  162. High Current Power Supply (no big transformer)
  163. Beginners attempt at a Bench Supply or Class A Regulated PSU based on LM317
  164. Fast diodes for power amps?
  165. Multi-voltage PS
  166. schematic for audio smps?
  167. SSLV1.1 builds & fairy tales
  168. Is this really an SMPS?
  169. power supply problem
  170. LM3886 as a PSU?
  171. Suggestions on PCB: LM317 As Walwart Regulator (1st Eagle PCB)
  172. Transformers with multiple secondaries - calculaing VA rating
  173. Need help in designing my PSU
  174. Bash Amp Power Supply Repair
  175. AC/DC umbilical cord
  176. 12v Regulator
  177. 360W SMPS lower or higher power (core and freq.)
  178. Virtual CT to divide voltage?
  179. combine stereo channel filaments ?
  180. Transformer problems...
  181. Help with -15V converter
  182. MAX current from AC single phase
  183. DAC PSU - capacitor sizes
  184. Charge a 12V SLA while using the amplifier.
  185. Problem with negative ALW superregulator
  186. power supply bypass cap size
  187. Flyback converter problems (UC3845 + MOSFET)
  188. Final verification of Protective Earth wiring
  189. SMPS Gnd, Chassis-Gnd, and Layer Stack
  190. Help With SMPS Transformer Size ID
  191. dc-dc full bridge boost
  192. My PCB design of Salas SHunt Reg
  193. Power factor correction for audio?
  194. is it possible to make a transformer out of choke?
  195. fear to power it up!!!
  196. 800W SMPS with no Power factor corrector
  197. Power Supply PCB for Randy Slone Totempole Amp
  198. SMPS with split rail output for Class D?
  199. PSU for class D...how reference controller?
  200. Split rail supplys for Class D amplifiers?
  201. Easiest way to supply +-60 and +-45 for cheapie ebay amp?
  202. calculating inrush to a capacitor bank
  203. Tony's latest traffo DIY build
  204. Simple dual PS
  205. LLC resonant SMPS not for guitar amps?
  206. using pc fan for cooling meanwell in case
  207. 40Amp / 700 microHenry Power Inductor
  208. modification of the BOZ power supply
  209. LM317T CCS Improvement
  210. Single 12v and +-12v needed, What options?
  211. DX Amp PSU with DC Protection
  212. PSU's for Squeezebox and USB D/A converter?
  213. 200W SMPS for Class D guitar amp
  214. Regulations for Audio Amp SMPS?
  215. Question: Subsituting Capacitors in Power Supply
  216. 700W PFC above 600V output
  217. how to get a bi-polar dc outputs from a single Battery!
  218. LiFePo4 charger ?
  219. Problem with using UC3855: Low output Voltage
  220. impact of the capacitors value increase
  221. Is this transformer okay?
  222. Simon Series Shunt Regulator
  223. HELP KRELL KRC power supply lead missing
  224. SMP Rails?
  225. Power Supply layout?
  226. WTD 120v AC regulation to 3% schematic?
  227. 12v to 70v 1400w what do you think?
  228. Can someone identify this mosfet manufacturer?
  229. need help with blown mosfets..plz....
  230. How are Transformer Watts Determined?
  231. Replacing Diodes in Vintage HP Power supply?
  232. multiple supply pls heelp
  233. Using a large 60hz toroid transformer as an SMPS transformer
  234. High Voltage Bridge Rectifier Confusion
  235. SMPS Trouble
  236. Half bridge Vs full bridge smps supplies
  238. transformer question
  239. Low Noise Linear regulator power supply
  240. High quality +/- 60v regulator options
  241. RC snubbers for diode recovery noise
  242. High Current Class A Amplifier Supply
  243. driving power mosfet with no gate resistor
  244. Simple regulated SMPS for my Ghettoblaster (pics)
  245. Power source for guitar amplifiers
  246. Duncan Designer II - Use of
  247. capacitor value help
  248. Silicon carbide rectifiers
  249. Duncan Designer II - Use of
  250. Inrush current limiter

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