View Full Version : Power Supplies

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

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