View Full Version : Power Supplies

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

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