View Full Version : Power Supplies

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

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