View Full Version : Power Supplies

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  1. Power supply project
  2. Tying it all together - Low Noise Internal System Grounding
  3. Lowering power supply noise - looking for ideas
  4. LTC4365 protection IC
  5. SPower 78xx replacement
  6. Class D SMPS...with coupled inductor output?
  7. How do power leads make a difference to sound?
  8. Mains rectifier currents into SMPS
  9. Amp toroidal transformer
  10. BUF634 as power source for Bugle?
  11. Listening directly to DC Power Supplies
  12. reading an electrolytic capacitor can
  13. Linear PS with no ground pin
  14. Other type of transistor use for audio (amplification or power safety system)?
  15. Soft starting, Shutoff OR current limiter circuit
  16. DNM T-network cap in conventional power supply??
  17. 12V(fixed) with 3 Amp current
  18. The BoomCase By Mr. SiMo
  19. 230V<->100V converter???
  20. Great 12V regulator chip for car...I think
  21. How old electrolytic capacitors can safely be used?
  22. 15v to 3v question
  23. Is a power conditioner worth it?
  24. A switch for 2 power source for a single amp
  25. Head Amp PS
  26. protection circuit for TL494 Based smps
  27. Digital audio and seperate power supplies
  28. Please . . . advice on filter caps
  29. Building a simple "soft start" speaker protection circuit
  30. Removing noise from power grid
  31. 6V -> 5V ?
  32. Problem with B&O ASP1000!
  33. Ceramic capacitor non-linearity
  34. Switch mode power supply w/ Voltage divider
  36. transformer rewinding
  37. Power Switch 'pop's frequency?
  38. Switcher EMC design
  39. Class D amp Regulated power supply??
  40. choosing transformer VA rating
  41. What transformer do I need?
  42. Inrush current in smps and it's inductors?
  43. how to test a power supply?
  44. Salas shunt help
  45. 2.5V to power LED
  46. Power Suppy 12v - 13,8v
  47. Valve power supply - How to size transformer?
  48. Marantz SR-7400 ps repair
  49. shelf oscilating psu
  50. behringer mx9000 - psu problem? or other?
  51. ATX power supply from 0...+/-40Vdc and 0...8A
  52. JVC Shelf Component System Power supply
  53. Shunt Regulator
  54. etd34 nt enough for 400w pfc
  55. Power supply build question from a first time Amp buldier
  56. Linear PSU circuit
  58. Paul Hynes, reliable?
  59. Janus shunt regulator problem
  60. JSR-01 super reg problem with -5vdc
  61. Help me understand ripple rateing please, I'm stuck.
  62. High Current Power Supply (no big transformer)
  63. Beginners attempt at a Bench Supply or Class A Regulated PSU based on LM317
  64. Fast diodes for power amps?
  65. Multi-voltage PS
  66. schematic for audio smps?
  67. SSLV1.1 builds & fairy tales
  68. Is this really an SMPS?
  69. power supply problem
  70. LM3886 as a PSU?
  71. Suggestions on PCB: LM317 As Walwart Regulator (1st Eagle PCB)
  72. Transformers with multiple secondaries - calculaing VA rating
  73. Need help in designing my PSU
  74. Bash Amp Power Supply Repair
  75. AC/DC umbilical cord
  76. 12v Regulator
  77. 360W SMPS lower or higher power (core and freq.)
  78. Virtual CT to divide voltage?
  79. combine stereo channel filaments ?
  80. Transformer problems...
  81. Help with -15V converter
  82. MAX current from AC single phase
  83. DAC PSU - capacitor sizes
  84. Charge a 12V SLA while using the amplifier.
  85. Problem with negative ALW superregulator
  86. power supply bypass cap size
  87. Flyback converter problems (UC3845 + MOSFET)
  88. Final verification of Protective Earth wiring
  89. SMPS Gnd, Chassis-Gnd, and Layer Stack
  90. Help With SMPS Transformer Size ID
  91. dc-dc full bridge boost
  92. My PCB design of Salas SHunt Reg
  93. Power factor correction for audio?
  94. is it possible to make a transformer out of choke?
  95. fear to power it up!!!
  96. 800W SMPS with no Power factor corrector
  97. Power Supply PCB for Randy Slone Totempole Amp
  98. SMPS with split rail output for Class D?
  99. PSU for class D...how reference controller?
  100. Split rail supplys for Class D amplifiers?
  101. Easiest way to supply +-60 and +-45 for cheapie ebay amp?
  102. calculating inrush to a capacitor bank
  103. Tony's latest traffo DIY build
  104. Simple dual PS
  105. LLC resonant SMPS not for guitar amps?
  106. using pc fan for cooling meanwell in case
  107. 40Amp / 700 microHenry Power Inductor
  108. modification of the BOZ power supply
  109. LM317T CCS Improvement
  110. Single 12v and +-12v needed, What options?
  111. DX Amp PSU with DC Protection
  112. PSU's for Squeezebox and USB D/A converter?
  113. 200W SMPS for Class D guitar amp
  114. Regulations for Audio Amp SMPS?
  115. Question: Subsituting Capacitors in Power Supply
  116. 700W PFC above 600V output
  117. how to get a bi-polar dc outputs from a single Battery!
  118. LiFePo4 charger ?
  119. Problem with using UC3855: Low output Voltage
  120. impact of the capacitors value increase
  121. Is this transformer okay?
  122. Simon Series Shunt Regulator
  123. HELP KRELL KRC power supply lead missing
  124. SMP Rails?
  125. Power Supply layout?
  126. WTD 120v AC regulation to 3% schematic?
  127. 12v to 70v 1400w what do you think?
  128. Can someone identify this mosfet manufacturer?
  129. need help with blown mosfets..plz....
  130. How are Transformer Watts Determined?
  131. Replacing Diodes in Vintage HP Power supply?
  132. multiple supply pls heelp
  133. Using a large 60hz toroid transformer as an SMPS transformer
  134. High Voltage Bridge Rectifier Confusion
  135. SMPS Trouble
  136. Half bridge Vs full bridge smps supplies
  138. transformer question
  139. Low Noise Linear regulator power supply
  140. High quality +/- 60v regulator options
  141. RC snubbers for diode recovery noise
  142. High Current Class A Amplifier Supply
  143. driving power mosfet with no gate resistor
  144. Simple regulated SMPS for my Ghettoblaster (pics)
  145. Power source for guitar amplifiers
  146. Duncan Designer II - Use of
  147. capacitor value help
  148. Silicon carbide rectifiers
  149. Duncan Designer II - Use of
  150. Inrush current limiter
  151. MIC pre-amps with switch mode supply
  152. Connecting centertaps together
  153. Regulated supply for power amp
  154. Are different sized power supply caps ok?
  155. LM1117 in DAC power supply
  156. How to connect PSU board to amp board?
  157. How do I measure amperage?
  158. Radio Spares 10,000uf polarity markings
  159. Some Wenzel "Cleanup" Sims
  160. Vicor Ripple Attenutation Module und Switched Power Supply
  161. 2x18VAC instead of 18-0-18
  162. Will this work-zener variable regulator
  163. Replacements reg´s circuits L7805 - Help.
  164. No power output on new SMPS
  165. storage caps AFTER the SMPS
  166. Field coil PS?
  167. power supply guide
  168. Hybrid Bridges
  169. parallel tube rectifier filaments
  170. wat the possiblities ??????
  171. Smallest (smd?) bipolar supply PCB/kit ?
  172. 400W PFC NEED HELP
  173. Local series regulators vs. global shunt regulator
  174. Diode regulator VS IC regulator.
  175. Help needed with complimentary pair.
  176. LM4780 Power Supply Capacitor
  177. arcam A80 Amplifier problem with power on button
  178. line filter
  179. What sort of PSU is this?
  180. 75VA EI or 80VA toroid.
  181. motorboating noise due to transformer?
  182. power for logic dm101
  183. Line voltage selector Revox B750 MK II blew up
  184. Transformer calculations
  185. Help with Victoria Magnetics Transformer
  186. Accu battery for LM3886
  187. Newbie attempt at a full-fledged Regulated PSU
  188. Lancing a wall-wart.
  189. spike problems
  190. Improve grounding - Does anyone know what this is about?
  191. Output voltage Alwsr super reg
  192. Question about 110V to 220V converter
  193. Could someone tell me a bit about this PS?
  194. inrush bypass using smps output
  195. Mic pre and phantom power PSU questions
  196. SMPS feedback path
  197. Boost converter
  198. How to reduce DC voltage ?
  199. Half Bridge SMPS series Capacitor selection
  200. Need recommendation for Salas Shunt type for AXO board
  201. Connecting a Meanwell s-350-27 to the mains power
  202. LM317 experiments and measurements
  203. Mounting an ei core sideways
  204. Tapping a main toroidal
  205. 750W SMPS
  206. need hel with smps txfr .........
  207. regulated PS grounding scheme questions
  208. 120 to 230 voltage automatic switch
  209. Cleaning up SMPS output
  210. Power Supply Questions
  211. I need 15 volts regulator from 40 volts DC
  212. Pre amp PSU
  213. Ground Hanger.....really!?!?
  214. Royer
  215. SMPS Forward Active Reset
  216. Low cost compact power supply for sub-mini tube preamp
  217. SMPS feedback compensation
  218. Permissable voltage sag?
  219. PS for t-amp, switching mode, where to get, DIY?
  220. Need help on RC filter for power supply
  221. 350w SMPS troubleshooting.
  222. Building SMPS for +50v and -50v
  223. Meanwell 27V 13A vs Noname with same spec?
  224. 1000W SMPS Based on IR2110
  225. filament wiring of dual rectifiers
  226. Best sounding SS rectifiers?
  227. help making sense of measurements
  228. EMI Filter Choke Safe?
  229. Transformer VA/current for 6xNE5532?
  230. Dual 12V preamp power supply
  231. Mark Levinson ML1
  232. Would this work? (15VAC to 12VDC & 24VDC)
  233. Beginner's Question : Identifying wires on a unknown transformer
  234. Zeners for shunt regulation and ground offset
  235. Big heavy Siga toroid...any ideas or use?
  236. what if common ground not zero volt
  237. Hypex SMPS's?
  238. Beginners Question
  239. Power Supply
  240. EI Transformer Questions
  241. Switch mode power supply in LCD TV
  242. Definitive Technology PF15TL/1500TL+ 240V AMP - AFAD
  243. Alternative Designs
  244. I need help building a power supply
  245. 300W SMPS design .............. fully tested
  246. I need an Audo Alchemy power supply
  247. need a amp to run a car amp inside
  248. Frequency generator 50-100kHz IC?
  249. Getting 14.4v
  250. Why is it not a Constant Current Source ?

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