View Full Version : Power Supplies

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  1. Ferrite toroidal transformer
  2. Help needed! Connecting PSU caps in // when they are in a block arrangement
  3. Single capacitor for both rails.
  4. 2x1000 W SMPS for audio
  5. Help with Super Cascode Power Supply
  6. need a schematic for 12v dc - 300 dc inverter
  7. Toroidal question
  8. Any one want transfo from Onkyo A-807?
  9. Best Way to Suppress TX AC Secondary Noise??
  10. Amplifier transformer input current on the primary (FBR and Caps)
  11. Testing electrolytics
  12. where can i find this capacitor?
  13. Regulator spec sheets
  14. Help with a Power Supply for Thorens TD146
  15. rockford fosgate t2000-1bd blown power supply mosfets
  16. +/- 60 to +/-20 VDC
  17. PWM input voltage compensation
  18. Round Potted Chokes directions
  19. Popping sound from turning off a power strip
  20. Tv power transformers for audio use?
  21. Ripple current in input capacitor too high?
  22. 6992 Pre Amp PSU, whats wrong here?
  23. No frills, cheap 'n crude HV shunt-reg/hum-killer
  24. Noobie dual secondary question
  25. Center tap toroidal transformer
  26. Resonance of LC output stage of Full-bridge?
  27. Inrush current limiter and choosing a correct relay
  28. Torodial transformer - help with secondary windings
  29. Toroid Toroidal Power Transformer Installation
  30. Simple PSU question .....
  31. PSB SubSonic 5i problems- no go
  32. Help powering electret
  33. 36volt 6amp power supply for LED
  34. Help with choosing a transformer?
  35. HV shunt regulator
  36. Dumb question time - tapped choke
  37. Where is it best to send the rectified DC
  38. universal smps ....without pfc fron end
  39. using a transformer in reverse ??
  40. Somebody help me understand the principles behind this DC blocker?
  41. High power buck converter 36v output for electric vehicle.
  42. Toroidal Transformer hook up.
  43. Simplest regulator for 1500v?
  44. Beginner regulated buck converter, 20-30v in, 13.8v out
  45. IXFH32N50
  46. Quad Rail ATX Power Supply
  47. This project SMPS in English
  48. Preamplifier Power Supply Rail Capacitance, How Much? - DH-101 vs DH-110
  49. Cross-regulation vs transient response ..?
  50. SMPS a converter - help!
  51. Power Supply Bypass Cap?
  52. Current mode and coupled output inductor?
  53. Doing slope compensation with MC34025 full bridge
  54. The schematic for 100W Hi-Fi amplifier
  55. SMPS for Audio with DSP Class D
  56. 100V rated caps @ 35V
  57. Jan's quizz in the February Newsletter
  58. Amp PSU Pops
  59. can i use this rectifier? help thanks
  60. Radiated Emission Tests
  61. floating power supply designs
  62. 230 50hz-120v 60hz
  63. Please clarify power calculation
  64. applying smps to a preamp with rectified power supply
  65. Possible to charge 24 V Battery with 10 Ampere SMPS ?
  66. Switching Power Supply Eagle File
  67. Janus regulator troubleshooting
  68. Power Transformer Issue
  69. need help picking torroid
  70. Bulgin AC power switch
  71. LM723 Voltage regulator
  72. Question: Dc on the Mains from three phase?
  73. Using a 24v SMPS for a 12v board?
  74. Best Capacitor for Bridge Diode Snubber?
  75. Efficiency of 1000W flyback
  76. SMPS from Connexelectric?
  77. SMPS Question
  78. Quality SMSP with 2x35V/2x5A !
  79. Current density in smps transformer windings
  80. Gigaworks regulated PS
  81. Power supply positive-negative-ground from a single power supply
  82. hypex softstart for high power PSU
  83. SMPS noisy and overheating
  84. Comments on National Semiconductor Power Supply Design??
  85. Main Filter Caps/Bypass formula?
  86. Transformer winding -101
  87. A question about LM7812 (Regulator)
  88. Gigrac 1000st Power Supply
  89. Full Bridge SMPS is cheaper than Half-Bridge?
  90. LME49811 as a guitar amp.
  91. Extra leads from transformer, et al.
  92. Suggest a board - 18vac to 12vdc
  93. Onkyo amp expert help needed.. or really anyone that can diagnose a problem
  94. Voltage remains constant, right?
  95. First PSU, got a question
  96. How to measure transformer output
  97. High capacitance vs load on Bridge rectifiers
  99. Regulation of +/-50V SMPS for Class D?
  100. SMPS 100V 1A with PFC Help Needed
  101. SMPS Output Inductor Design
  102. A little sourcing help
  103. Ferrite transformer SMPS-help!
  104. My first Jung regulator: help needed
  105. PFC EVM as 390V + 6.3V tube supply
  106. Power flow to Class D guitar amplifier
  107. ILP traffo info needed
  108. How to measure reverse recovery of HFA08TB60....
  109. Musical Fidelity P-140X PowerAmp without Transformer, need help!
  110. Completed my 450W SMps with Active pfc
  111. Connex A1000SMPS
  112. Project for the SMPS 350W!
  113. Two amps on one transformer?
  114. Transformer Selection
  115. AC Voltage on ungrounded SMPS output
  116. Carver CT-Seven transformer
  117. EMI Suppressing Capacitors
  118. Audio SMPS with PFC is overengineered?
  119. Power supply project
  120. Tying it all together - Low Noise Internal System Grounding
  121. Lowering power supply noise - looking for ideas
  122. LTC4365 protection IC
  123. SPower 78xx replacement
  124. Class D SMPS...with coupled inductor output?
  125. How do power leads make a difference to sound?
  126. Mains rectifier currents into SMPS
  127. Amp toroidal transformer
  128. BUF634 as power source for Bugle?
  129. Listening directly to DC Power Supplies
  130. reading an electrolytic capacitor can
  131. Linear PS with no ground pin
  132. Other type of transistor use for audio (amplification or power safety system)?
  133. Soft starting, Shutoff OR current limiter circuit
  134. DNM T-network cap in conventional power supply??
  135. 12V(fixed) with 3 Amp current
  136. The BoomCase By Mr. SiMo
  137. 230V<->100V converter???
  138. Great 12V regulator chip for car...I think
  139. How old electrolytic capacitors can safely be used?
  140. 15v to 3v question
  141. Is a power conditioner worth it?
  142. A switch for 2 power source for a single amp
  143. Head Amp PS
  144. protection circuit for TL494 Based smps
  145. Digital audio and seperate power supplies
  146. Please . . . advice on filter caps
  147. Building a simple "soft start" speaker protection circuit
  148. Removing noise from power grid
  149. 6V -> 5V ?
  150. Problem with B&O ASP1000!
  151. Ceramic capacitor non-linearity
  152. Switch mode power supply w/ Voltage divider
  154. transformer rewinding
  155. Power Switch 'pop's frequency?
  156. Switcher EMC design
  157. Class D amp Regulated power supply??
  158. choosing transformer VA rating
  159. What transformer do I need?
  160. Inrush current in smps and it's inductors?
  161. how to test a power supply?
  162. Salas shunt help
  163. 2.5V to power LED
  164. Power Suppy 12v - 13,8v
  165. Valve power supply - How to size transformer?
  166. Marantz SR-7400 ps repair
  167. shelf oscilating psu
  168. behringer mx9000 - psu problem? or other?
  169. ATX power supply from 0...+/-40Vdc and 0...8A
  170. JVC Shelf Component System Power supply
  171. Shunt Regulator
  172. etd34 nt enough for 400w pfc
  173. Power supply build question from a first time Amp buldier
  174. Linear PSU circuit
  176. Paul Hynes, reliable?
  177. Janus shunt regulator problem
  178. JSR-01 super reg problem with -5vdc
  179. Help me understand ripple rateing please, I'm stuck.
  180. High Current Power Supply (no big transformer)
  181. Beginners attempt at a Bench Supply or Class A Regulated PSU based on LM317
  182. Fast diodes for power amps?
  183. Multi-voltage PS
  184. schematic for audio smps?
  185. SSLV1.1 builds & fairy tales
  186. Is this really an SMPS?
  187. power supply problem
  188. LM3886 as a PSU?
  189. Suggestions on PCB: LM317 As Walwart Regulator (1st Eagle PCB)
  190. Transformers with multiple secondaries - calculaing VA rating
  191. Need help in designing my PSU
  192. Bash Amp Power Supply Repair
  193. AC/DC umbilical cord
  194. 12v Regulator
  195. 360W SMPS lower or higher power (core and freq.)
  196. Virtual CT to divide voltage?
  197. combine stereo channel filaments ?
  198. Transformer problems...
  199. Help with -15V converter
  200. MAX current from AC single phase
  201. DAC PSU - capacitor sizes
  202. Charge a 12V SLA while using the amplifier.
  203. Problem with negative ALW superregulator
  204. power supply bypass cap size
  205. Flyback converter problems (UC3845 + MOSFET)
  206. Final verification of Protective Earth wiring
  207. SMPS Gnd, Chassis-Gnd, and Layer Stack
  208. Help With SMPS Transformer Size ID
  209. dc-dc full bridge boost
  210. My PCB design of Salas SHunt Reg
  211. Power factor correction for audio?
  212. is it possible to make a transformer out of choke?
  213. fear to power it up!!!
  214. 800W SMPS with no Power factor corrector
  215. Power Supply PCB for Randy Slone Totempole Amp
  216. SMPS with split rail output for Class D?
  217. PSU for class D...how reference controller?
  218. Split rail supplys for Class D amplifiers?
  219. Easiest way to supply +-60 and +-45 for cheapie ebay amp?
  220. calculating inrush to a capacitor bank
  221. Tony's latest traffo DIY build
  222. Simple dual PS
  223. LLC resonant SMPS not for guitar amps?
  224. using pc fan for cooling meanwell in case
  225. 40Amp / 700 microHenry Power Inductor
  226. modification of the BOZ power supply
  227. LM317T CCS Improvement
  228. Single 12v and +-12v needed, What options?
  229. DX Amp PSU with DC Protection
  230. PSU's for Squeezebox and USB D/A converter?
  231. 200W SMPS for Class D guitar amp
  232. Regulations for Audio Amp SMPS?
  233. Question: Subsituting Capacitors in Power Supply
  234. 700W PFC above 600V output
  235. how to get a bi-polar dc outputs from a single Battery!
  236. LiFePo4 charger ?
  237. Problem with using UC3855: Low output Voltage
  238. impact of the capacitors value increase
  239. Is this transformer okay?
  240. Simon Series Shunt Regulator
  241. HELP KRELL KRC power supply lead missing
  242. SMP Rails?
  243. Power Supply layout?
  244. WTD 120v AC regulation to 3% schematic?
  245. 12v to 70v 1400w what do you think?
  246. Can someone identify this mosfet manufacturer?
  247. need help with blown mosfets..plz....
  248. How are Transformer Watts Determined?
  249. Replacing Diodes in Vintage HP Power supply?
  250. multiple supply pls heelp

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