View Full Version : Power Supplies

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  1. need a schematic for 12v dc - 300 dc inverter
  2. Toroidal question
  3. Any one want transfo from Onkyo A-807?
  4. Best Way to Suppress TX AC Secondary Noise??
  5. Amplifier transformer input current on the primary (FBR and Caps)
  6. Testing electrolytics
  7. where can i find this capacitor?
  8. Regulator spec sheets
  9. Help with a Power Supply for Thorens TD146
  10. rockford fosgate t2000-1bd blown power supply mosfets
  11. +/- 60 to +/-20 VDC
  12. PWM input voltage compensation
  13. Round Potted Chokes directions
  14. Popping sound from turning off a power strip
  15. Tv power transformers for audio use?
  16. Ripple current in input capacitor too high?
  17. 6992 Pre Amp PSU, whats wrong here?
  18. No frills, cheap 'n crude HV shunt-reg/hum-killer
  19. Noobie dual secondary question
  20. Center tap toroidal transformer
  21. Resonance of LC output stage of Full-bridge?
  22. Inrush current limiter and choosing a correct relay
  23. Torodial transformer - help with secondary windings
  24. Toroid Toroidal Power Transformer Installation
  25. Simple PSU question .....
  26. PSB SubSonic 5i problems- no go
  27. Help powering electret
  28. 36volt 6amp power supply for LED
  29. Help with choosing a transformer?
  30. HV shunt regulator
  31. Dumb question time - tapped choke
  32. Where is it best to send the rectified DC
  33. universal smps ....without pfc fron end
  34. using a transformer in reverse ??
  35. Somebody help me understand the principles behind this DC blocker?
  36. High power buck converter 36v output for electric vehicle.
  37. Toroidal Transformer hook up.
  38. Simplest regulator for 1500v?
  39. Beginner regulated buck converter, 20-30v in, 13.8v out
  40. IXFH32N50
  41. Quad Rail ATX Power Supply
  42. This project SMPS in English
  43. Preamplifier Power Supply Rail Capacitance, How Much? - DH-101 vs DH-110
  44. Cross-regulation vs transient response ..?
  45. SMPS a converter - help!
  46. Power Supply Bypass Cap?
  47. Current mode and coupled output inductor?
  48. Doing slope compensation with MC34025 full bridge
  49. The schematic for 100W Hi-Fi amplifier
  50. SMPS for Audio with DSP Class D
  51. 100V rated caps @ 35V
  52. Jan's quizz in the February Newsletter
  53. Amp PSU Pops
  54. can i use this rectifier? help thanks
  55. Radiated Emission Tests
  56. floating power supply designs
  57. 230 50hz-120v 60hz
  58. Please clarify power calculation
  59. applying smps to a preamp with rectified power supply
  60. Possible to charge 24 V Battery with 10 Ampere SMPS ?
  61. Switching Power Supply Eagle File
  62. Janus regulator troubleshooting
  63. Power Transformer Issue
  64. need help picking torroid
  65. Bulgin AC power switch
  66. LM723 Voltage regulator
  67. Question: Dc on the Mains from three phase?
  68. Using a 24v SMPS for a 12v board?
  69. Best Capacitor for Bridge Diode Snubber?
  70. Efficiency of 1000W flyback
  71. SMPS from Connexelectric?
  72. SMPS Question
  73. Quality SMSP with 2x35V/2x5A !
  74. Current density in smps transformer windings
  75. Gigaworks regulated PS
  76. Power supply positive-negative-ground from a single power supply
  77. hypex softstart for high power PSU
  78. SMPS noisy and overheating
  79. Comments on National Semiconductor Power Supply Design??
  80. Main Filter Caps/Bypass formula?
  81. Transformer winding -101
  82. A question about LM7812 (Regulator)
  83. Gigrac 1000st Power Supply
  84. Full Bridge SMPS is cheaper than Half-Bridge?
  85. LME49811 as a guitar amp.
  86. Extra leads from transformer, et al.
  87. Suggest a board - 18vac to 12vdc
  88. Onkyo amp expert help needed.. or really anyone that can diagnose a problem
  89. Voltage remains constant, right?
  90. First PSU, got a question
  91. How to measure transformer output
  92. High capacitance vs load on Bridge rectifiers
  94. Regulation of +/-50V SMPS for Class D?
  95. SMPS 100V 1A with PFC Help Needed
  96. SMPS Output Inductor Design
  97. A little sourcing help
  98. Ferrite transformer SMPS-help!
  99. My first Jung regulator: help needed
  100. PFC EVM as 390V + 6.3V tube supply
  101. Power flow to Class D guitar amplifier
  102. ILP traffo info needed
  103. How to measure reverse recovery of HFA08TB60....
  104. Musical Fidelity P-140X PowerAmp without Transformer, need help!
  105. Completed my 450W SMps with Active pfc
  106. Connex A1000SMPS
  107. Project for the SMPS 350W!
  108. Two amps on one transformer?
  109. Transformer Selection
  110. AC Voltage on ungrounded SMPS output
  111. Carver CT-Seven transformer
  112. EMI Suppressing Capacitors
  113. Audio SMPS with PFC is overengineered?
  114. Power supply project
  115. Tying it all together - Low Noise Internal System Grounding
  116. Lowering power supply noise - looking for ideas
  117. LTC4365 protection IC
  118. SPower 78xx replacement
  119. Class D SMPS...with coupled inductor output?
  120. How do power leads make a difference to sound?
  121. Mains rectifier currents into SMPS
  122. Amp toroidal transformer
  123. BUF634 as power source for Bugle?
  124. Listening directly to DC Power Supplies
  125. reading an electrolytic capacitor can
  126. Linear PS with no ground pin
  127. Other type of transistor use for audio (amplification or power safety system)?
  128. Soft starting, Shutoff OR current limiter circuit
  129. DNM T-network cap in conventional power supply??
  130. 12V(fixed) with 3 Amp current
  131. The BoomCase By Mr. SiMo
  132. 230V<->100V converter???
  133. Great 12V regulator chip for car...I think
  134. How old electrolytic capacitors can safely be used?
  135. 15v to 3v question
  136. Is a power conditioner worth it?
  137. A switch for 2 power source for a single amp
  138. Head Amp PS
  139. Sweet folly: a tube SMPS
  140. protection circuit for TL494 Based smps
  141. Digital audio and seperate power supplies
  142. Please . . . advice on filter caps
  143. Building a simple "soft start" speaker protection circuit
  144. Removing noise from power grid
  145. 6V -> 5V ?
  146. Problem with B&O ASP1000!
  147. Ceramic capacitor non-linearity
  148. Switch mode power supply w/ Voltage divider
  149. Onkyo CR-305TX PSU FAult
  150. transformer rewinding
  151. Power Switch 'pop's frequency?
  152. Switcher EMC design
  153. Class D amp Regulated power supply??
  154. choosing transformer VA rating
  155. What transformer do I need?
  156. Inrush current in smps and it's inductors?
  157. how to test a power supply?
  158. Salas shunt help
  159. 2.5V to power LED
  160. Power Suppy 12v - 13,8v
  161. Valve power supply - How to size transformer?
  162. Marantz SR-7400 ps repair
  163. shelf oscilating psu
  164. behringer mx9000 - psu problem? or other?
  165. ATX power supply from 0...+/-40Vdc and 0...8A
  166. JVC Shelf Component System Power supply
  167. Shunt Regulator
  168. etd34 nt enough for 400w pfc
  169. Power supply build question from a first time Amp buldier
  170. Linear PSU circuit
  172. Paul Hynes, reliable?
  173. Janus shunt regulator problem
  174. JSR-01 super reg problem with -5vdc
  175. Help me understand ripple rateing please, I'm stuck.
  176. High Current Power Supply (no big transformer)
  177. Beginners attempt at a Bench Supply or Class A Regulated PSU based on LM317
  178. Fast diodes for power amps?
  179. Multi-voltage PS
  180. schematic for audio smps?
  181. SSLV1.1 builds & fairy tales
  182. Is this really an SMPS?
  183. power supply problem
  184. LM3886 as a PSU?
  185. Suggestions on PCB: LM317 As Walwart Regulator (1st Eagle PCB)
  186. Transformers with multiple secondaries - calculaing VA rating
  187. Need help in designing my PSU
  188. Bash Amp Power Supply Repair
  189. AC/DC umbilical cord
  190. 12v Regulator
  191. 360W SMPS lower or higher power (core and freq.)
  192. Virtual CT to divide voltage?
  193. combine stereo channel filaments ?
  194. Transformer problems...
  195. Help with -15V converter
  196. MAX current from AC single phase
  197. DAC PSU - capacitor sizes
  198. Charge a 12V SLA while using the amplifier.
  199. Problem with negative ALW superregulator
  200. power supply bypass cap size
  201. Flyback converter problems (UC3845 + MOSFET)
  202. Final verification of Protective Earth wiring
  203. SMPS Gnd, Chassis-Gnd, and Layer Stack
  204. Help With SMPS Transformer Size ID
  205. dc-dc full bridge boost
  206. My PCB design of Salas SHunt Reg
  207. Power factor correction for audio?
  208. is it possible to make a transformer out of choke?
  209. fear to power it up!!!
  210. 800W SMPS with no Power factor corrector
  211. Power Supply PCB for Randy Slone Totempole Amp
  212. SMPS with split rail output for Class D?
  213. PSU for class D...how reference controller?
  214. Split rail supplys for Class D amplifiers?
  215. Easiest way to supply +-60 and +-45 for cheapie ebay amp?
  216. calculating inrush to a capacitor bank
  217. Tony's latest traffo DIY build
  218. Simple dual PS
  219. Two bridges and a CT transformer....
  220. LLC resonant SMPS not for guitar amps?
  221. using pc fan for cooling meanwell in case
  222. 40Amp / 700 microHenry Power Inductor
  223. modification of the BOZ power supply
  224. LM317T CCS Improvement
  225. Single 12v and +-12v needed, What options?
  226. DX Amp PSU with DC Protection
  227. PSU's for Squeezebox and USB D/A converter?
  228. 200W SMPS for Class D guitar amp
  229. Regulations for Audio Amp SMPS?
  230. Question: Subsituting Capacitors in Power Supply
  231. 700W PFC above 600V output
  232. how to get a bi-polar dc outputs from a single Battery!
  233. LiFePo4 charger ?
  234. Power Transformer Temp
  235. Problem with using UC3855: Low output Voltage
  236. impact of the capacitors value increase
  237. Is this transformer okay?
  238. Need suggestion for 6.3V-0-6.3V
  239. Simon Series Shunt Regulator
  240. HELP KRELL KRC power supply lead missing
  241. SMP Rails?
  242. Power Supply layout?
  243. WTD 120v AC regulation to 3% schematic?
  244. 12v to 70v 1400w what do you think?
  245. Can someone identify this mosfet manufacturer?
  246. need help with blown mosfets..plz....
  247. How are Transformer Watts Determined?
  248. Replacing Diodes in Vintage HP Power supply?
  249. multiple supply pls heelp
  250. vdc drop

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