View Full Version : Power Supplies

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  1. Help me understand ripple rateing please, I'm stuck.
  2. High Current Power Supply (no big transformer)
  3. Beginners attempt at a Bench Supply or Class A Regulated PSU based on LM317
  4. Fast diodes for power amps?
  5. Multi-voltage PS
  6. schematic for audio smps?
  7. SSLV1.1 builds & fairy tales
  8. Is this really an SMPS?
  9. power supply problem
  10. LM3886 as a PSU?
  11. Suggestions on PCB: LM317 As Walwart Regulator (1st Eagle PCB)
  12. Transformers with multiple secondaries - calculaing VA rating
  13. Need help in designing my PSU
  14. Bash Amp Power Supply Repair
  15. AC/DC umbilical cord
  16. 12v Regulator
  17. 360W SMPS lower or higher power (core and freq.)
  18. Virtual CT to divide voltage?
  19. combine stereo channel filaments ?
  20. Transformer problems...
  21. Help with -15V converter
  22. MAX current from AC single phase
  23. DAC PSU - capacitor sizes
  24. Charge a 12V SLA while using the amplifier.
  25. Problem with negative ALW superregulator
  26. power supply bypass cap size
  27. Flyback converter problems (UC3845 + MOSFET)
  28. Final verification of Protective Earth wiring
  29. SMPS Gnd, Chassis-Gnd, and Layer Stack
  30. Help With SMPS Transformer Size ID
  31. dc-dc full bridge boost
  32. My PCB design of Salas SHunt Reg
  33. Power factor correction for audio?
  34. is it possible to make a transformer out of choke?
  35. fear to power it up!!!
  36. 800W SMPS with no Power factor corrector
  37. Power Supply PCB for Randy Slone Totempole Amp
  38. SMPS with split rail output for Class D?
  39. PSU for class D...how reference controller?
  40. Split rail supplys for Class D amplifiers?
  41. Easiest way to supply +-60 and +-45 for cheapie ebay amp?
  42. calculating inrush to a capacitor bank
  43. Tony's latest traffo DIY build
  44. Simple dual PS
  45. LLC resonant SMPS not for guitar amps?
  46. using pc fan for cooling meanwell in case
  47. 40Amp / 700 microHenry Power Inductor
  48. modification of the BOZ power supply
  49. LM317T CCS Improvement
  50. Single 12v and +-12v needed, What options?
  51. DX Amp PSU with DC Protection
  52. PSU's for Squeezebox and USB D/A converter?
  53. 200W SMPS for Class D guitar amp
  54. Regulations for Audio Amp SMPS?
  55. Question: Subsituting Capacitors in Power Supply
  56. 700W PFC above 600V output
  57. how to get a bi-polar dc outputs from a single Battery!
  58. LiFePo4 charger ?
  59. Problem with using UC3855: Low output Voltage
  60. impact of the capacitors value increase
  61. Is this transformer okay?
  62. Simon Series Shunt Regulator
  63. HELP KRELL KRC power supply lead missing
  64. SMP Rails?
  65. Power Supply layout?
  66. WTD 120v AC regulation to 3% schematic?
  67. 12v to 70v 1400w what do you think?
  68. Can someone identify this mosfet manufacturer?
  69. need help with blown mosfets..plz....
  70. How are Transformer Watts Determined?
  71. Replacing Diodes in Vintage HP Power supply?
  72. multiple supply pls heelp
  73. Using a large 60hz toroid transformer as an SMPS transformer
  74. High Voltage Bridge Rectifier Confusion
  75. SMPS Trouble
  76. Half bridge Vs full bridge smps supplies
  78. transformer question
  79. Low Noise Linear regulator power supply
  80. High quality +/- 60v regulator options
  81. RC snubbers for diode recovery noise
  82. High Current Class A Amplifier Supply
  83. driving power mosfet with no gate resistor
  84. Simple regulated SMPS for my Ghettoblaster (pics)
  85. Power source for guitar amplifiers
  86. Duncan Designer II - Use of
  87. capacitor value help
  88. Silicon carbide rectifiers
  89. Duncan Designer II - Use of
  90. Inrush current limiter
  91. MIC pre-amps with switch mode supply
  92. Connecting centertaps together
  93. Regulated supply for power amp
  94. Are different sized power supply caps ok?
  95. LM1117 in DAC power supply
  96. How to connect PSU board to amp board?
  97. How do I measure amperage?
  98. Radio Spares 10,000uf polarity markings
  99. Some Wenzel "Cleanup" Sims
  100. Vicor Ripple Attenutation Module und Switched Power Supply
  101. 2x18VAC instead of 18-0-18
  102. Will this work-zener variable regulator
  103. Replacements reg´s circuits L7805 - Help.
  104. No power output on new SMPS
  105. storage caps AFTER the SMPS
  106. Field coil PS?
  107. power supply guide
  108. Hybrid Bridges
  109. parallel tube rectifier filaments
  110. wat the possiblities ??????
  111. Smallest (smd?) bipolar supply PCB/kit ?
  112. 400W PFC NEED HELP
  113. Local series regulators vs. global shunt regulator
  114. Diode regulator VS IC regulator.
  115. Help needed with complimentary pair.
  116. LM4780 Power Supply Capacitor
  117. arcam A80 Amplifier problem with power on button
  118. line filter
  119. What sort of PSU is this?
  120. 75VA EI or 80VA toroid.
  121. motorboating noise due to transformer?
  122. power for logic dm101
  123. Line voltage selector Revox B750 MK II blew up
  124. Transformer calculations
  125. Help with Victoria Magnetics Transformer
  126. Accu battery for LM3886
  127. Newbie attempt at a full-fledged Regulated PSU
  128. Lancing a wall-wart.
  129. spike problems
  130. Improve grounding - Does anyone know what this is about?
  131. Output voltage Alwsr super reg
  132. Question about 110V to 220V converter
  133. Could someone tell me a bit about this PS?
  134. inrush bypass using smps output
  135. Mic pre and phantom power PSU questions
  136. SMPS feedback path
  137. Boost converter
  138. How to reduce DC voltage ?
  139. Half Bridge SMPS series Capacitor selection
  140. Need recommendation for Salas Shunt type for AXO board
  141. Connecting a Meanwell s-350-27 to the mains power
  142. LM317 experiments and measurements
  143. Mounting an ei core sideways
  144. Tapping a main toroidal
  145. 750W SMPS
  146. need hel with smps txfr .........
  147. regulated PS grounding scheme questions
  148. 120 to 230 voltage automatic switch
  149. Cleaning up SMPS output
  150. Power Supply Questions
  151. I need 15 volts regulator from 40 volts DC
  152. Pre amp PSU
  153. Ground Hanger.....really!?!?
  154. Royer
  155. SMPS Forward Active Reset
  156. Low cost compact power supply for sub-mini tube preamp
  157. SMPS feedback compensation
  158. Permissable voltage sag?
  159. PS for t-amp, switching mode, where to get, DIY?
  160. Need help on RC filter for power supply
  161. 350w SMPS troubleshooting.
  162. Building SMPS for +50v and -50v
  163. Meanwell 27V 13A vs Noname with same spec?
  164. 1000W SMPS Based on IR2110
  165. filament wiring of dual rectifiers
  166. Best sounding SS rectifiers?
  167. help making sense of measurements
  168. EMI Filter Choke Safe?
  169. Transformer VA/current for 6xNE5532?
  170. Dual 12V preamp power supply
  171. Mark Levinson ML1
  172. Would this work? (15VAC to 12VDC & 24VDC)
  173. Beginner's Question : Identifying wires on a unknown transformer
  174. Zeners for shunt regulation and ground offset
  175. Big heavy Siga toroid...any ideas or use?
  176. what if common ground not zero volt
  177. Hypex SMPS's?
  178. Beginners Question
  179. Power Supply
  180. EI Transformer Questions
  181. Switch mode power supply in LCD TV
  182. Definitive Technology PF15TL/1500TL+ 240V AMP - AFAD
  183. Alternative Designs
  184. I need help building a power supply
  185. 300W SMPS design .............. fully tested
  186. I need an Audo Alchemy power supply
  187. need a amp to run a car amp inside
  188. Frequency generator 50-100kHz IC?
  189. Getting 14.4v
  190. Why is it not a Constant Current Source ?
  191. Need a -100V Voltage regulator
  192. 12V low power AC/DC PSU - Capacitor bank after regulator?
  193. Help modify PSU!
  194. Troubleshooting Sherwood RV-6010R surround reciever PSU
  195. laptop transformer
  196. Dual polarity power supply with a single secondary transformer?
  197. High current Jung power supply with HT regulator pcb
  198. earth grounding questions when using shielded cat5 & neutrikplugs
  199. Noisy IC Universal Regulator
  200. +-30Vout with LM31+337
  201. offline SMPS aux supply
  202. H-bridge inverter circuit
  203. Replacing Filtersupply large can capacitors
  204. SMPS IR2153 vs ATX transformers
  205. Protection circuit for IR2110 Class D Mosfet Driver ?
  206. Problem with schottky
  207. Super, basic power supply wiring question
  208. ESP Fan Controller to drive a relay
  209. Help Finding +/- 35V Power Supply
  210. Why transformerless PS = death?
  211. Will this blow my choke to pieces?
  212. Random attempt to improve power supply
  213. transformer and rectifier confuguration
  214. Virtual ground / Rail Splitter using only LM317
  215. Can you make an amp power supply out of a car radio vibrator?
  216. Isolation transformer connection
  217. 14.4vrms Full Load Transformer for Alpine MRV-F400
  218. 63V caps, 62V B+ PSU ehh
  219. Parallel caps in Hafler
  220. Rotel RX-500 panel light?
  221. Using computer PSU with Arjen's Ta2024 mkII
  222. How much (capacitance) is too much?
  223. need help building a switching power supply for car amps
  224. Sony STR-D511 power transformer
  225. help for PSU
  226. Onkyo TX-DS474 Power Supply Modification
  227. Harman Kardon HK 620 transformer is dead
  228. Obsessing about layout
  229. PS with boosted rails for IPS, VAS and Pre-Drivers
  230. NAD C165 Blowing Fuse When Connecting to AMP
  231. Repair Toroid Enamel
  232. How much power to the preamp?
  233. mosfet self turn on
  234. Let's talk gate drive rise time and noise
  235. How to make a power conditioner
  236. No Power Technics 1200 Mk2
  237. Inrush current limiting
  238. The Belleson Superpower, the ultimate voltage regulator ... ?
  239. Please check my first HV regulator
  240. PSU with regulated Supply for front-end
  241. Perfect DC supply?
  242. Too high AC output--How to lower?
  243. my 80W flyback smps
  244. Antek with four outputs - Only need two
  245. ~-1V rail from existing regulated -15V rail - how?
  246. Low Noise 5V Reg
  247. Help Identifying Where the Hum is Coming from!
  248. finger sized ferrite rods
  249. Unbalance sec ac voltage
  250. CD Player Head unit keeps shutting off????

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