View Full Version : Power Supplies

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  1. A little sourcing help
  2. Ferrite transformer SMPS-help!
  3. My first Jung regulator: help needed
  4. PFC EVM as 390V + 6.3V tube supply
  5. Power flow to Class D guitar amplifier
  6. ILP traffo info needed
  7. How to measure reverse recovery of HFA08TB60....
  8. Musical Fidelity P-140X PowerAmp without Transformer, need help!
  9. Completed my 450W SMps with Active pfc
  10. Connex A1000SMPS
  11. Project for the SMPS 350W!
  12. Two amps on one transformer?
  13. Transformer Selection
  14. AC Voltage on ungrounded SMPS output
  15. Carver CT-Seven transformer
  16. EMI Suppressing Capacitors
  17. Audio SMPS with PFC is overengineered?
  18. Power supply project
  19. Tying it all together - Low Noise Internal System Grounding
  20. Lowering power supply noise - looking for ideas
  21. LTC4365 protection IC
  22. SPower 78xx replacement
  23. Class D SMPS...with coupled inductor output?
  24. How do power leads make a difference to sound?
  25. Mains rectifier currents into SMPS
  26. Amp toroidal transformer
  27. BUF634 as power source for Bugle?
  28. Listening directly to DC Power Supplies
  29. reading an electrolytic capacitor can
  30. Linear PS with no ground pin
  31. Other type of transistor use for audio (amplification or power safety system)?
  32. Soft starting, Shutoff OR current limiter circuit
  33. DNM T-network cap in conventional power supply??
  34. 12V(fixed) with 3 Amp current
  35. The BoomCase By Mr. SiMo
  36. 230V<->100V converter???
  37. Great 12V regulator chip for car...I think
  38. How old electrolytic capacitors can safely be used?
  39. 15v to 3v question
  40. Is a power conditioner worth it?
  41. A switch for 2 power source for a single amp
  42. Head Amp PS
  43. Sweet folly: a tube SMPS
  44. protection circuit for TL494 Based smps
  45. Digital audio and seperate power supplies
  46. Please . . . advice on filter caps
  47. Building a simple "soft start" speaker protection circuit
  48. Removing noise from power grid
  49. 6V -> 5V ?
  50. Problem with B&O ASP1000!
  51. Ceramic capacitor non-linearity
  52. Switch mode power supply w/ Voltage divider
  53. Onkyo CR-305TX PSU FAult
  54. transformer rewinding
  55. Power Switch 'pop's frequency?
  56. Switcher EMC design
  57. Class D amp Regulated power supply??
  58. choosing transformer VA rating
  59. What transformer do I need?
  60. Inrush current in smps and it's inductors?
  61. how to test a power supply?
  62. Salas shunt help
  63. 2.5V to power LED
  64. Power Suppy 12v - 13,8v
  65. Valve power supply - How to size transformer?
  66. Marantz SR-7400 ps repair
  67. shelf oscilating psu
  68. behringer mx9000 - psu problem? or other?
  69. ATX power supply from 0...+/-40Vdc and 0...8A
  70. JVC Shelf Component System Power supply
  71. Shunt Regulator
  72. etd34 nt enough for 400w pfc
  73. Power supply build question from a first time Amp buldier
  74. Linear PSU circuit
  76. Paul Hynes, reliable?
  77. Janus shunt regulator problem
  78. JSR-01 super reg problem with -5vdc
  79. Help me understand ripple rateing please, I'm stuck.
  80. High Current Power Supply (no big transformer)
  81. Beginners attempt at a Bench Supply or Class A Regulated PSU based on LM317
  82. Fast diodes for power amps?
  83. Multi-voltage PS
  84. schematic for audio smps?
  85. SSLV1.1 builds & fairy tales
  86. Is this really an SMPS?
  87. power supply problem
  88. LM3886 as a PSU?
  89. Suggestions on PCB: LM317 As Walwart Regulator (1st Eagle PCB)
  90. Transformers with multiple secondaries - calculaing VA rating
  91. Need help in designing my PSU
  92. Bash Amp Power Supply Repair
  93. AC/DC umbilical cord
  94. 12v Regulator
  95. 360W SMPS lower or higher power (core and freq.)
  96. Virtual CT to divide voltage?
  97. combine stereo channel filaments ?
  98. Transformer problems...
  99. Help with -15V converter
  100. MAX current from AC single phase
  101. DAC PSU - capacitor sizes
  102. Charge a 12V SLA while using the amplifier.
  103. Problem with negative ALW superregulator
  104. power supply bypass cap size
  105. Flyback converter problems (UC3845 + MOSFET)
  106. Final verification of Protective Earth wiring
  107. SMPS Gnd, Chassis-Gnd, and Layer Stack
  108. Help With SMPS Transformer Size ID
  109. dc-dc full bridge boost
  110. My PCB design of Salas SHunt Reg
  111. Power factor correction for audio?
  112. is it possible to make a transformer out of choke?
  113. fear to power it up!!!
  114. 800W SMPS with no Power factor corrector
  115. Power Supply PCB for Randy Slone Totempole Amp
  116. SMPS with split rail output for Class D?
  117. PSU for class D...how reference controller?
  118. Split rail supplys for Class D amplifiers?
  119. Easiest way to supply +-60 and +-45 for cheapie ebay amp?
  120. calculating inrush to a capacitor bank
  121. Tony's latest traffo DIY build
  122. Simple dual PS
  123. Two bridges and a CT transformer....
  124. LLC resonant SMPS not for guitar amps?
  125. using pc fan for cooling meanwell in case
  126. 40Amp / 700 microHenry Power Inductor
  127. modification of the BOZ power supply
  128. LM317T CCS Improvement
  129. Single 12v and +-12v needed, What options?
  130. DX Amp PSU with DC Protection
  131. PSU's for Squeezebox and USB D/A converter?
  132. 200W SMPS for Class D guitar amp
  133. Regulations for Audio Amp SMPS?
  134. Question: Subsituting Capacitors in Power Supply
  135. 700W PFC above 600V output
  136. how to get a bi-polar dc outputs from a single Battery!
  137. LiFePo4 charger ?
  138. Power Transformer Temp
  139. Problem with using UC3855: Low output Voltage
  140. impact of the capacitors value increase
  141. Is this transformer okay?
  142. Need suggestion for 6.3V-0-6.3V
  143. Simon Series Shunt Regulator
  144. HELP KRELL KRC power supply lead missing
  145. SMP Rails?
  146. Power Supply layout?
  147. WTD 120v AC regulation to 3% schematic?
  148. 12v to 70v 1400w what do you think?
  149. Can someone identify this mosfet manufacturer?
  150. need help with blown mosfets..plz....
  151. How are Transformer Watts Determined?
  152. Replacing Diodes in Vintage HP Power supply?
  153. multiple supply pls heelp
  154. vdc drop
  155. Using a large 60hz toroid transformer as an SMPS transformer
  156. High Voltage Bridge Rectifier Confusion
  157. SMPS Trouble
  158. Half bridge Vs full bridge smps supplies
  160. transformer question
  161. Low Noise Linear regulator power supply
  162. Computer grade electrolytics
  163. High quality +/- 60v regulator options
  164. RC snubbers for diode recovery noise
  165. High Current Class A Amplifier Supply
  166. driving power mosfet with no gate resistor
  167. Simple regulated SMPS for my Ghettoblaster (pics)
  168. Power source for guitar amplifiers
  169. Duncan Designer II - Use of
  170. capacitor value help
  171. Silicon carbide rectifiers
  172. Duncan Designer II - Use of
  173. Inrush current limiter
  174. MIC pre-amps with switch mode supply
  175. Connecting centertaps together
  176. SS Rectifers and Zero-Crossing Distortion, possible fix or idotic idea?
  177. Regulated supply for power amp
  178. variac - breadboard with choke input
  179. Are different sized power supply caps ok?
  180. Twist-lok caps?
  181. LM1117 in DAC power supply
  182. How to connect PSU board to amp board?
  183. How do I measure amperage?
  184. Radio Spares 10,000uf polarity markings
  185. PSU sanity check - negative rail?
  186. Some Wenzel "Cleanup" Sims
  187. Vicor Ripple Attenutation Module und Switched Power Supply
  188. 2x18VAC instead of 18-0-18
  189. Will this work-zener variable regulator
  190. Possible PS chokes
  191. Replacements reg´s circuits L7805 - Help.
  192. No power output on new SMPS
  193. storage caps AFTER the SMPS
  194. Field coil PS?
  195. power supply guide
  196. Hybrid Bridges
  197. Regulated Supply for Direct Coupled Amp
  198. parallel tube rectifier filaments
  199. wat the possiblities ??????
  200. Smallest (smd?) bipolar supply PCB/kit ?
  201. Mains tranformer noise
  202. 400W PFC NEED HELP
  203. Local series regulators vs. global shunt regulator
  204. Diode regulator VS IC regulator.
  205. Help needed with complimentary pair.
  206. Power supply for heater
  207. LM4780 Power Supply Capacitor
  208. arcam A80 Amplifier problem with power on button
  209. line filter
  210. What sort of PSU is this?
  211. 75VA EI or 80VA toroid.
  212. motorboating noise due to transformer?
  213. power for logic dm101
  214. Need a 12.6 VDC power supply schematic
  215. Line voltage selector Revox B750 MK II blew up
  216. Transformer calculations
  217. Help with Victoria Magnetics Transformer
  218. Common-mode choke before or after?
  219. Accu battery for LM3886
  220. Newbie attempt at a full-fledged Regulated PSU
  221. Lancing a wall-wart.
  222. spike problems
  223. Improve grounding - Does anyone know what this is about?
  224. Output voltage Alwsr super reg
  225. Question about 110V to 220V converter
  226. Could someone tell me a bit about this PS?
  227. inrush bypass using smps output
  228. Lundahl and rectifier mismatch?
  229. Mic pre and phantom power PSU questions
  230. SMPS feedback path
  231. Boost converter
  232. How to reduce DC voltage ?
  233. Half Bridge SMPS series Capacitor selection
  234. Need recommendation for Salas Shunt type for AXO board
  235. Connecting a Meanwell s-350-27 to the mains power
  236. LM317 experiments and measurements
  237. PSU problem - Murphy is an ***hole!
  238. Mounting an ei core sideways
  239. Tapping a main toroidal
  240. 750W SMPS
  241. need hel with smps txfr .........
  242. Isolation transformation wiring project help
  243. regulated PS grounding scheme questions
  244. 120 to 230 voltage automatic switch
  245. Cleaning up SMPS output
  246. Power Supply Questions
  247. I need 15 volts regulator from 40 volts DC
  248. Pre amp PSU
  249. Ground Hanger.....really!?!?
  250. Royer

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