View Full Version : Power Supplies

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  1. How much (capacitance) is too much?
  2. need help building a switching power supply for car amps
  3. Sony STR-D511 power transformer
  4. help for PSU
  5. Onkyo TX-DS474 Power Supply Modification
  6. Harman Kardon HK 620 transformer is dead
  7. Obsessing about layout
  8. PS with boosted rails for IPS, VAS and Pre-Drivers
  9. NAD C165 Blowing Fuse When Connecting to AMP
  10. Repair Toroid Enamel
  11. How much power to the preamp?
  12. mosfet self turn on
  13. Let's talk gate drive rise time and noise
  14. How to make a power conditioner
  15. No Power Technics 1200 Mk2
  16. Inrush current limiting
  17. The Belleson Superpower, the ultimate voltage regulator ... ?
  18. Please check my first HV regulator
  19. PSU with regulated Supply for front-end
  20. Perfect DC supply?
  21. Too high AC output--How to lower?
  22. my 80W flyback smps
  23. Antek with four outputs - Only need two
  24. ~-1V rail from existing regulated -15V rail - how?
  25. Low Noise 5V Reg
  26. Help Identifying Where the Hum is Coming from!
  27. finger sized ferrite rods
  28. Unbalance sec ac voltage
  29. CD Player Head unit keeps shutting off????
  30. SMPS for tubes - modification
  31. common mode filter design
  32. SMPS 1200/2500 From Romania
  33. maximum voltage for capacitor
  34. Voltages on your Speakers
  35. Critique my UCD400 linear PS
  36. Upper limit of R in CRC any issue besides dissipation ?
  37. wenzel associates finesse shunt
  38. SMPS regulation on secondary side
  39. Power amp - Voltage doubler supply - Why not used?
  40. Battery power for the phono preamplifier
  41. 250watt PSU Idea
  42. driving full bridge using ir2110
  43. Voltage control for an unregulated psu
  44. Power supply for Hifimediy T2
  45. Very basic amplifier volts question
  46. Carvin Stage master 212-Broken Power Transformer
  47. smps troubleshooting
  48. smps troubleshooting
  49. Troubleshooting and Repairing Switch Mode Power Supply
  50. 12V -> 170V DC/DC smps, what's wrong?
  51. Multi-tap Transfomer
  52. common mode choke help
  53. smps from 220/230V
  54. Transformers are close to output boards
  55. Switching power supply problem
  56. Portable speaker power supply
  57. output frquncy of UC3845
  58. What is a better alternative for 317 337?
  59. Do I still need a regulator for constant current draw?
  60. High power SMPS 2kw 400v DC
  61. MOSFET or Bipolar for shunt regulators?
  62. IRS27951 / IRS27952
  63. SMPS with toroid transformer
  64. Any experts in choke loaded tube rectified power supplies?
  65. Toroid Transformer help?
  66. meridian 103d power amp
  67. Help finding matching power supply for
  68. MC34063A dual line in series question
  69. a ground question
  70. SMPS vs LINEAR PS: Let's build up a serious technical review-list
  71. Unknown mains transformer
  72. A few questions regarding regulated PSUs
  73. PSU RC multistage filtering
  74. Turn on...
  75. Transformer for 26-0-26
  76. L07-2693-05 Power transformer
  77. Lightspeed PSU
  78. Ground Question with Wooden Enclosure.
  79. Antek
  80. Power supply 2x24 , 2A[schematic needed]
  81. Power supply for DC compressor circuit
  82. Sanity check on this multi cap supply
  83. Thermocouple meter, measuring MOSFET temperatures
  84. Power Supply for your JAN 6418 projects
  85. how do I lover dc voltages
  86. VCT and RMS V
  87. May I mark this buck, already with PFC, or not?
  88. Blowing Fuses on Power Supply, No Load (F5)
  89. Neon lamp charger
  90. Schematic Ericsson rectifier BML-435 ?
  91. Power Relay
  92. First Serious High Power Audio Supply Questions
  93. New PFC Handbook
  94. suggestion needed for transformer
  95. Hexfred bridges in tube amps
  96. Help with bypass CAPS
  97. looking for simple voltage doubler
  98. how to wind toroid transformer?
  99. Developmental PS for Audio Power Amp
  100. Smoothing Cap / By-Pass Cap Questions
  101. Help with Subwoofer amp
  102. Question about the level on my amp.
  103. GDT loading Question
  104. Power Supply for Thorens 166 mkII
  105. cheap transformer or cheap death?
  106. SMPS offline, HV and LV Design
  107. Can I Use this Trafo ??
  108. Special 9V supply
  109. Transformer for voltage doubler?
  110. Linear post regulator for SMPS, what's your take?
  111. Please !!!Help me:( about SMSP
  112. Power supply help please
  113. PSUD2 question: how do I sim an LCLCL filter?
  114. LM317 cleanup
  115. Li-ion arrangement for CMoy-style headphone amp
  116. One large or many small capacitor
  117. smps 12v inverterhello i am new in this forum , excuse my english it's very bad i
  118. Power Factor Corrector Inductors
  119. 230V single primary toroid in a 115V country
  120. Regulated supplies within regulators (SuperReg)
  121. power supply for hiraga 20 W class a amp
  122. Snubbing or not
  123. where is soft start relay inserted in PSU circuit
  124. is transformer with primary and secondary = isolation?
  125. Enable 12V trigger with audio signal
  126. Need a transformer
  127. 18 to 330Vdc with 97% efficiency.
  128. need advice on fuse value and rectifier
  129. Expanding the output capability of LT1054
  130. WIY2263 (30W SMPS IC) HELP NEEDED
  131. full service manual NAD 7225 pe
  132. 18V phono preamp (super) regulator
  133. Can a Filtered IEC Power Inlet Improve Sound Quality?
  134. 13vac
  135. What type of diode........
  136. A Grounding challenge , please help..
  137. Probably a simple question (SMPS)...
  138. Bringing down the voltage by 10 Volts
  139. SMPS Transformer Primary Turns Calculations
  140. Paragon System-E PS schematic needed
  141. help in rectifier diode selection
  142. diode rectifier suggestion for power supply
  143. Simple transformer questions
  144. Why do I only get 8.9v from a 12v voltage regulator?
  145. SMPS feedback
  146. Great Article On AC Power Harmonic Issues
  147. Toroid ~ grill interaction
  148. 5V regulator for AK4396
  149. Help!Transformer overheating!
  150. Good sounding LM317 PSU
  151. Dropping 50V on psu
  152. Simple Toroid Question
  153. Eccentric Power Distribution
  154. rotel RB-9708BX-mk2 AC 120 TO 220 HOW FIX
  155. Power Supply for Class D: 12V AC
  156. voltage multiplier current demands
  157. NTC questions for Class A
  158. DC noise come from live or neutral?
  159. 470uF for amps psu bypass?
  160. potting compound question
  161. LT1431 + DN2540N3 + D44H11 Dual Rail Reg
  162. 4 pole caps and bypass caps
  163. PSU Filter section question
  164. Newby question
  165. Using 2 x Meanwell SMPS to get +ve 0v -ve
  166. Dual rail from trafo with no CT?????
  167. Help About 8KW Full Bridge SMPS
  168. 18v rectification ??
  169. Different toroid trans mounting produce different sonic?
  170. SMPS 2x45V 600W
  171. Powering Incandescent Lamp from Transformer Secondary.
  172. Need help on relay for 1200W Trafo soft start
  173. What type of diodes to use?
  174. Nakamichi IA-3 hum/buzz and does anyone have the schematics/service manual?
  175. Elna 15000uF 82V filter caps - blown
  176. 220 to 120 volts convertor question
  177. Getting down to a regulated 150V
  178. checking if transformer will saturate at low freq?
  179. 2 ps in series
  180. Specs on a PS?
  181. Li-Ion supply for ghettoblaster
  182. produce 80Vdc with a 480-277 1 phase power transformer
  183. LiMn or LiFePO4 48V accumulator
  184. 2-Conductor Mains Supplies
  185. Possible Cheap Powersupply Solution for Current Dumping Amplifiers...
  186. Filter Capacitor
  187. 0.83V regulated supply
  188. Why is this Cap getting hot and bulging?
  189. Transformer details of 1-433-573-31
  190. Faulty supply problem
  191. Pyle Power Capacitor, Pyle of what?
  192. Source for Germanium transistors
  193. Using 220V transformer on 110V
  194. hi guys just got a quick question about ajustable regulators for battery charging
  195. Need Negative High Voltage Regulator Circuit
  196. Hammond transformer (simple question)
  197. Upgrading Meridian G68 Power Supply
  198. What kind of line filter shall I use?
  199. replacement of three pin rectifier with new two pin for transformer
  200. smps spilt supply
  201. gainclone lm4780's supply voltage, please advice.
  202. Which industrial transformer to repurpose?
  203. Small SMPS's for preamps/DSPs
  204. Two (or more) transformers to increase power ??
  205. .1 or .01 ps bypass caps
  206. Crying 12V PWM Powersupply
  207. Problem with Hypex SMPS400/67 (OEM V4)
  208. psu problems
  209. clclcrcrc or crcrclclc?
  210. clclcrcrc or crcrclclc?
  211. amp wont turn off
  212. Core choice for power transformer
  213. Battery cut off circuit
  214. Need help on phase splitter
  215. Quick Power Supply Question
  216. Tube rectifier
  217. Mathematically challenged help for lm 317-337
  218. Is this off-line flyback? B+ switch, Startup troubleshooting steps?
  219. Need 16V rails from an F5 Power Supply
  220. Step down transformer voltage
  221. Help repair a power inverter
  222. Sanding down Hammond transformers
  223. transformer primary winding turns
  224. ISCO 494 ELECTROPHORESIS modified to 1200V 300mA
  225. Having trouble with PS math
  226. 7815 and 7915, which type A or C?
  227. GM-3000 diagram
  228. DC amps on the output of a regulated PSU
  229. Stacking Cores
  230. options for high amperage voltage regulation
  231. Rectifier Boards
  232. Erno Borbely All FET low-noise super shunt regulator
  233. Understanding PFC chips
  234. toroidals together
  235. How these work?...smps
  236. Here is an elegant (insane?) way of converting 220V to 110V
  237. What is the elegant way to convert 220? to 110V?
  238. Ta3020 linear psu Design help
  239. Hum in output of powered subwoofer
  240. can some one please help me id this capacitor, its an easy one for an expert im sure!
  241. Audio Alchemy DAC V1.1 power supply
  242. Determining appropriate frequency when winding a transformer
  243. Center-tap Choke
  244. How to connect a toroidal transformer
  245. step down 200W SMPS
  246. Are these line filters any good?
  247. Push-Pull Mosfet Drivers Help Needed!!!!
  248. Stop feedback from capacitors into power...
  249. X2, AC Line Capacitors
  250. Availability of 3-phase AC mains supply at High-power Audio Installations

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