View Full Version : Power Supplies

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  1. Amplifier Power supply not working
  2. Ferrite toroidal transformer
  3. Help needed! Connecting PSU caps in // when they are in a block arrangement
  4. Single capacitor for both rails.
  5. 2x1000 W SMPS for audio
  6. Help with Super Cascode Power Supply
  7. need a schematic for 12v dc - 300 dc inverter
  8. Toroidal question
  9. Any one want transfo from Onkyo A-807?
  10. Best Way to Suppress TX AC Secondary Noise??
  11. Amplifier transformer input current on the primary (FBR and Caps)
  12. Testing electrolytics
  13. where can i find this capacitor?
  14. Regulator spec sheets
  15. Help with a Power Supply for Thorens TD146
  16. rockford fosgate t2000-1bd blown power supply mosfets
  17. +/- 60 to +/-20 VDC
  18. PWM input voltage compensation
  19. Round Potted Chokes directions
  20. Popping sound from turning off a power strip
  21. Tv power transformers for audio use?
  22. Ripple current in input capacitor too high?
  23. 6992 Pre Amp PSU, whats wrong here?
  24. No frills, cheap 'n crude HV shunt-reg/hum-killer
  25. Noobie dual secondary question
  26. Center tap toroidal transformer
  27. Resonance of LC output stage of Full-bridge?
  28. Inrush current limiter and choosing a correct relay
  29. Torodial transformer - help with secondary windings
  30. Toroid Toroidal Power Transformer Installation
  31. Simple PSU question .....
  32. PSB SubSonic 5i problems- no go
  33. Help powering electret
  34. 36volt 6amp power supply for LED
  35. Help with choosing a transformer?
  36. HV shunt regulator
  37. Dumb question time - tapped choke
  38. Where is it best to send the rectified DC
  39. universal smps ....without pfc fron end
  40. using a transformer in reverse ??
  41. Somebody help me understand the principles behind this DC blocker?
  42. High power buck converter 36v output for electric vehicle.
  43. Toroidal Transformer hook up.
  44. Simplest regulator for 1500v?
  45. Beginner regulated buck converter, 20-30v in, 13.8v out
  46. IXFH32N50
  47. Quad Rail ATX Power Supply
  48. This project SMPS in English
  49. Preamplifier Power Supply Rail Capacitance, How Much? - DH-101 vs DH-110
  50. Cross-regulation vs transient response ..?
  51. SMPS a converter - help!
  52. Power Supply Bypass Cap?
  53. Current mode and coupled output inductor?
  54. Doing slope compensation with MC34025 full bridge
  55. The schematic for 100W Hi-Fi amplifier
  56. SMPS for Audio with DSP Class D
  57. 100V rated caps @ 35V
  58. Jan's quizz in the February Newsletter
  59. Amp PSU Pops
  60. can i use this rectifier? help thanks
  61. Radiated Emission Tests
  62. floating power supply designs
  63. 230 50hz-120v 60hz
  64. Please clarify power calculation
  65. applying smps to a preamp with rectified power supply
  66. Possible to charge 24 V Battery with 10 Ampere SMPS ?
  67. Switching Power Supply Eagle File
  68. Janus regulator troubleshooting
  69. Power Transformer Issue
  70. need help picking torroid
  71. Bulgin AC power switch
  72. LM723 Voltage regulator
  73. Question: Dc on the Mains from three phase?
  74. Using a 24v SMPS for a 12v board?
  75. Best Capacitor for Bridge Diode Snubber?
  76. Efficiency of 1000W flyback
  77. SMPS from Connexelectric?
  78. SMPS Question
  79. Quality SMSP with 2x35V/2x5A !
  80. Current density in smps transformer windings
  81. Gigaworks regulated PS
  82. Power supply positive-negative-ground from a single power supply
  83. hypex softstart for high power PSU
  84. SMPS noisy and overheating
  85. Duncan amps PSU designer II help
  86. Comments on National Semiconductor Power Supply Design??
  87. Main Filter Caps/Bypass formula?
  88. Transformer winding -101
  89. A question about LM7812 (Regulator)
  90. Gigrac 1000st Power Supply
  91. Full Bridge SMPS is cheaper than Half-Bridge?
  92. LME49811 as a guitar amp.
  93. Extra leads from transformer, et al.
  94. Suggest a board - 18vac to 12vdc
  95. Onkyo amp expert help needed.. or really anyone that can diagnose a problem
  96. Voltage remains constant, right?
  97. First PSU, got a question
  98. How to measure transformer output
  99. High capacitance vs load on Bridge rectifiers
  101. Regulation of +/-50V SMPS for Class D?
  102. SMPS 100V 1A with PFC Help Needed
  103. SMPS Output Inductor Design
  104. A little sourcing help
  105. Ferrite transformer SMPS-help!
  106. My first Jung regulator: help needed
  107. PFC EVM as 390V + 6.3V tube supply
  108. Power flow to Class D guitar amplifier
  109. ILP traffo info needed
  110. Power supply RC (ohm's law) question -NEWBIE ALERT
  111. How to measure reverse recovery of HFA08TB60....
  112. Musical Fidelity P-140X PowerAmp without Transformer, need help!
  113. Completed my 450W SMps with Active pfc
  114. Connex A1000SMPS
  115. Project for the SMPS 350W!
  116. Two amps on one transformer?
  117. Transformer Selection
  118. AC Voltage on ungrounded SMPS output
  119. Carver CT-Seven transformer
  120. EMI Suppressing Capacitors
  121. Audio SMPS with PFC is overengineered?
  122. Power supply project
  123. Tying it all together - Low Noise Internal System Grounding
  124. Lowering power supply noise - looking for ideas
  125. LTC4365 protection IC
  126. SPower 78xx replacement
  127. Class D SMPS...with coupled inductor output?
  128. How do power leads make a difference to sound?
  129. Mains rectifier currents into SMPS
  130. Amp toroidal transformer
  131. BUF634 as power source for Bugle?
  132. Listening directly to DC Power Supplies
  133. reading an electrolytic capacitor can
  134. Linear PS with no ground pin
  135. Other type of transistor use for audio (amplification or power safety system)?
  136. Soft starting, Shutoff OR current limiter circuit
  137. DNM T-network cap in conventional power supply??
  138. Looking for some PSU advice ...
  139. 12V(fixed) with 3 Amp current
  140. The BoomCase By Mr. SiMo
  141. 230V<->100V converter???
  142. Great 12V regulator chip for car...I think
  143. How old electrolytic capacitors can safely be used?
  144. 15v to 3v question
  145. Is a power conditioner worth it?
  146. A switch for 2 power source for a single amp
  147. Head Amp PS
  148. Sweet folly: a tube SMPS
  149. protection circuit for TL494 Based smps
  150. Digital audio and seperate power supplies
  151. Please . . . advice on filter caps
  152. Building a simple "soft start" speaker protection circuit
  153. Removing noise from power grid
  154. 6V -> 5V ?
  155. Problem with B&O ASP1000!
  156. Ceramic capacitor non-linearity
  157. Switch mode power supply w/ Voltage divider
  158. Onkyo CR-305TX PSU FAult
  159. transformer rewinding
  160. Power Switch 'pop's frequency?
  161. Switcher EMC design
  162. Class D amp Regulated power supply??
  163. choosing transformer VA rating
  164. What transformer do I need?
  165. Inrush current in smps and it's inductors?
  166. how to test a power supply?
  167. Salas shunt help
  168. 2.5V to power LED
  169. Power Suppy 12v - 13,8v
  170. Valve power supply - How to size transformer?
  171. Marantz SR-7400 ps repair
  172. shelf oscilating psu
  173. behringer mx9000 - psu problem? or other?
  174. ATX power supply from 0...+/-40Vdc and 0...8A
  175. JVC Shelf Component System Power supply
  176. Shunt Regulator
  177. etd34 nt enough for 400w pfc
  178. Power supply build question from a first time Amp buldier
  179. Linear PSU circuit
  181. Paul Hynes, reliable?
  182. Janus shunt regulator problem
  183. JSR-01 super reg problem with -5vdc
  184. Help me understand ripple rateing please, I'm stuck.
  185. High Current Power Supply (no big transformer)
  186. Beginners attempt at a Bench Supply or Class A Regulated PSU based on LM317
  187. Fast diodes for power amps?
  188. Multi-voltage PS
  189. schematic for audio smps?
  190. SSLV1.1 builds & fairy tales
  191. Is this really an SMPS?
  192. power supply problem
  193. LM3886 as a PSU?
  194. Suggestions on PCB: LM317 As Walwart Regulator (1st Eagle PCB)
  195. Transformers with multiple secondaries - calculaing VA rating
  196. Need help in designing my PSU
  197. Bash Amp Power Supply Repair
  198. AC/DC umbilical cord
  199. 12v Regulator
  200. 360W SMPS lower or higher power (core and freq.)
  201. Virtual CT to divide voltage?
  202. combine stereo channel filaments ?
  203. Transformer problems...
  204. Help with -15V converter
  205. MAX current from AC single phase
  206. DAC PSU - capacitor sizes
  207. Charge a 12V SLA while using the amplifier.
  208. Problem with negative ALW superregulator
  209. power supply bypass cap size
  210. Flyback converter problems (UC3845 + MOSFET)
  211. Final verification of Protective Earth wiring
  212. SMPS Gnd, Chassis-Gnd, and Layer Stack
  213. Help With SMPS Transformer Size ID
  214. dc-dc full bridge boost
  215. My PCB design of Salas SHunt Reg
  216. Power factor correction for audio?
  217. is it possible to make a transformer out of choke?
  218. fear to power it up!!!
  219. 800W SMPS with no Power factor corrector
  220. Power Supply PCB for Randy Slone Totempole Amp
  221. SMPS with split rail output for Class D?
  222. PSU for class D...how reference controller?
  223. Split rail supplys for Class D amplifiers?
  224. Easiest way to supply +-60 and +-45 for cheapie ebay amp?
  225. calculating inrush to a capacitor bank
  226. Tony's latest traffo DIY build
  227. Simple dual PS
  228. Two bridges and a CT transformer....
  229. LLC resonant SMPS not for guitar amps?
  230. using pc fan for cooling meanwell in case
  231. 40Amp / 700 microHenry Power Inductor
  232. modification of the BOZ power supply
  233. LM317T CCS Improvement
  234. Single 12v and +-12v needed, What options?
  235. DX Amp PSU with DC Protection
  236. PSU's for Squeezebox and USB D/A converter?
  237. 200W SMPS for Class D guitar amp
  238. Regulations for Audio Amp SMPS?
  239. Question: Subsituting Capacitors in Power Supply
  240. 700W PFC above 600V output
  241. how to get a bi-polar dc outputs from a single Battery!
  242. LiFePo4 charger ?
  243. Power Transformer Temp
  244. Problem with using UC3855: Low output Voltage
  245. impact of the capacitors value increase
  246. Is this transformer okay?
  247. Need suggestion for 6.3V-0-6.3V
  248. Simon Series Shunt Regulator
  249. HELP KRELL KRC power supply lead missing
  250. SMP Rails?

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