View Full Version : Power Supplies

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  1. Developmental PS for Audio Power Amp
  2. Smoothing Cap / By-Pass Cap Questions
  3. Help with Subwoofer amp
  4. Question about the level on my amp.
  5. GDT loading Question
  6. Power Supply for Thorens 166 mkII
  7. cheap transformer or cheap death?
  8. SMPS offline, HV and LV Design
  9. Can I Use this Trafo ??
  10. Special 9V supply
  11. Transformer for voltage doubler?
  12. Linear post regulator for SMPS, what's your take?
  13. Please !!!Help me:( about SMSP
  14. Power supply help please
  15. PSUD2 question: how do I sim an LCLCL filter?
  16. LM317 cleanup
  17. Li-ion arrangement for CMoy-style headphone amp
  18. One large or many small capacitor
  19. smps 12v inverterhello i am new in this forum , excuse my english it's very bad i
  20. Power Factor Corrector Inductors
  21. 230V single primary toroid in a 115V country
  22. Regulated supplies within regulators (SuperReg)
  23. power supply for hiraga 20 W class a amp
  24. Snubbing or not
  25. where is soft start relay inserted in PSU circuit
  26. is transformer with primary and secondary = isolation?
  27. Enable 12V trigger with audio signal
  28. Need a transformer
  29. 18 to 330Vdc with 97% efficiency.
  30. need advice on fuse value and rectifier
  31. Expanding the output capability of LT1054
  33. full service manual NAD 7225 pe
  34. 18V phono preamp (super) regulator
  35. Can a Filtered IEC Power Inlet Improve Sound Quality?
  36. 13vac
  37. What type of diode........
  38. A Grounding challenge , please help..
  39. Probably a simple question (SMPS)...
  40. Bringing down the voltage by 10 Volts
  41. SMPS Transformer Primary Turns Calculations
  42. Paragon System-E PS schematic needed
  43. help in rectifier diode selection
  44. diode rectifier suggestion for power supply
  45. Simple transformer questions
  46. Why do I only get 8.9v from a 12v voltage regulator?
  47. SMPS feedback
  48. Great Article On AC Power Harmonic Issues
  49. Toroid ~ grill interaction
  50. 5V regulator for AK4396
  51. Help!Transformer overheating!
  52. Good sounding LM317 PSU
  53. Dropping 50V on psu
  54. Simple Toroid Question
  55. Eccentric Power Distribution
  56. rotel RB-9708BX-mk2 AC 120 TO 220 HOW FIX
  57. Power Supply for Class D: 12V AC
  58. voltage multiplier current demands
  59. NTC questions for Class A
  60. DC noise come from live or neutral?
  61. 470uF for amps psu bypass?
  62. potting compound question
  63. LT1431 + DN2540N3 + D44H11 Dual Rail Reg
  64. 4 pole caps and bypass caps
  65. PSU Filter section question
  66. Newby question
  67. Using 2 x Meanwell SMPS to get +ve 0v -ve
  68. Dual rail from trafo with no CT?????
  69. Help About 8KW Full Bridge SMPS
  70. 18v rectification ??
  71. Different toroid trans mounting produce different sonic?
  72. SMPS 2x45V 600W
  73. Powering Incandescent Lamp from Transformer Secondary.
  74. Need help on relay for 1200W Trafo soft start
  75. What type of diodes to use?
  76. Nakamichi IA-3 hum/buzz and does anyone have the schematics/service manual?
  77. Elna 15000uF 82V filter caps - blown
  78. 220 to 120 volts convertor question
  79. Getting down to a regulated 150V
  80. checking if transformer will saturate at low freq?
  81. 2 ps in series
  82. Specs on a PS?
  83. Li-Ion supply for ghettoblaster
  84. produce 80Vdc with a 480-277 1 phase power transformer
  85. LiMn or LiFePO4 48V accumulator
  86. 2-Conductor Mains Supplies
  87. Possible Cheap Powersupply Solution for Current Dumping Amplifiers...
  88. Filter Capacitor
  89. 0.83V regulated supply
  90. Why is this Cap getting hot and bulging?
  91. Transformer details of 1-433-573-31
  92. Faulty supply problem
  93. Pyle Power Capacitor, Pyle of what?
  94. Source for Germanium transistors
  95. Using 220V transformer on 110V
  96. hi guys just got a quick question about ajustable regulators for battery charging
  97. Need Negative High Voltage Regulator Circuit
  98. Hammond transformer (simple question)
  99. Upgrading Meridian G68 Power Supply
  100. What kind of line filter shall I use?
  101. replacement of three pin rectifier with new two pin for transformer
  102. smps spilt supply
  103. gainclone lm4780's supply voltage, please advice.
  104. Which industrial transformer to repurpose?
  105. Small SMPS's for preamps/DSPs
  106. Two (or more) transformers to increase power ??
  107. .1 or .01 ps bypass caps
  108. Crying 12V PWM Powersupply
  109. Problem with Hypex SMPS400/67 (OEM V4)
  110. psu problems
  111. clclcrcrc or crcrclclc?
  112. clclcrcrc or crcrclclc?
  113. amp wont turn off
  114. Core choice for power transformer
  115. Battery cut off circuit
  116. Need help on phase splitter
  117. Quick Power Supply Question
  118. Tube rectifier
  119. Mathematically challenged help for lm 317-337
  120. Is this off-line flyback? B+ switch, Startup troubleshooting steps?
  121. Need 16V rails from an F5 Power Supply
  122. Step down transformer voltage
  123. Help repair a power inverter
  124. Sanding down Hammond transformers
  125. transformer primary winding turns
  126. ISCO 494 ELECTROPHORESIS modified to 1200V 300mA
  127. Having trouble with PS math
  128. 7815 and 7915, which type A or C?
  129. GM-3000 diagram
  130. DC amps on the output of a regulated PSU
  131. Stacking Cores
  132. options for high amperage voltage regulation
  133. Rectifier Boards
  134. Erno Borbely All FET low-noise super shunt regulator
  135. Understanding PFC chips
  136. toroidals together
  137. How these work?...smps
  138. Here is an elegant (insane?) way of converting 220V to 110V
  139. What is the elegant way to convert 220? to 110V?
  140. Ta3020 linear psu Design help
  141. Hum in output of powered subwoofer
  142. can some one please help me id this capacitor, its an easy one for an expert im sure!
  143. Audio Alchemy DAC V1.1 power supply
  144. Determining appropriate frequency when winding a transformer
  145. Center-tap Choke
  146. How to connect a toroidal transformer
  147. step down 200W SMPS
  148. Are these line filters any good?
  149. Push-Pull Mosfet Drivers Help Needed!!!!
  150. Stop feedback from capacitors into power...
  151. X2, AC Line Capacitors
  152. Availability of 3-phase AC mains supply at High-power Audio Installations
  153. HQ-CCS
  154. Mounting an External Amplifier power supply??
  155. New Muse PSU for TA2024? Anyone seen this before?
  156. Making a switching supply quieter?
  157. to where do I connect the grounding terminal of an IEC connector?
  158. reducing V and filtering ripple from chipamp PS for op amps
  159. Thermistor for an 120VA toroid transformer
  160. buck converter using LT3845
  161. scheme for slow inclusion around 3 - 4 seconds
  162. Discrete low current HV supply
  163. voltage regulator module?
  164. Diodes in parallel
  165. MCU controlled PSU
  166. Flux Density in Car SMPS Toroid
  167. Noobs guide to smps- web/text references
  168. Mesure DC in AC outlets Cant find what is making noise in my AC 30CCX Help!!! !!!
  169. duel power supply design help
  170. Inductors for CLC filter
  171. 90v to 500v i\p
  172. 6.3 filament from 5vac winding
  173. Hypex SMPS a minor Tweak
  174. Rectifier diodes
  175. High value capacitor between Hot and Neutral at AC inlet?
  176. Computer SMPS driving T-Amp - noise
  177. Question about AC wall wart usage?
  178. Smps Transformer series or parallal
  179. E-I core
  180. Help to chose transformer
  182. Help modifying a power supply
  183. Lab Power Supply Design / Build
  184. Wanted: Op-amp with single supply, 32V or more, and rail-rail capability
  185. specifications for Bando ats1540 for pioneer amp a105
  186. two transformer power supply wiring
  187. TNY266 flyback switcher
  188. Fluorecent choke for power supply
  189. connex electronic soft start questions
  190. Smart Battery Powered Circuit
  191. 371b power supply
  192. Switching power supply
  193. Powering the preamp from power amp PSU
  194. How to reduce PWM fan noise
  195. need little help with smps
  196. Using 33000uF caps in chipamp.com PSU?
  197. Q about connecting transformer 6v-0-6v
  198. current limiting for power supply
  199. Voltage doubler questions
  200. How to wire transformer?
  201. help needed with tube voltage power supply
  202. EMI choke before switching power supply
  203. Electronic fuse
  204. Simple rectifier/filter board
  205. cant find a decent SMPS for a current project.
  206. Simple DIY buffer PSU
  207. Solid State Relays
  208. Replacing wall wart questions?
  209. HV B+ switch
  210. PSU for car radio
  211. Museatex Meitner PP300 psup
  212. Help needed on CCS from the PSU Guru's
  213. SMPS to amp Boards connection
  214. 1kW LLC converter
  215. DC-DC step up converter?
  216. Help needed - reservoir capacitor after reservoir capacitor
  217. Earthing Questions
  218. 24v\25amp smps
  219. Impossible Ebay Item - Or not?
  220. Building a bench power supply
  221. Simple SMPS using 8 pin PIC microcontroller.
  222. Regulator topology design philosophy
  223. Power Supply for 500W+500W Amplifier
  224. basic question for a power adaptor with TA2024
  225. flux again
  226. Any problems with SMPS in series?
  227. Cheap Phase/Gain analyzer
  228. 12V AC adapter to 5V
  229. large (>18VA) 9VAC transformers hard to find, 8V? 10V?
  230. current transformer in older AT psu-s
  231. Behringer europower pmh1000 blown psu
  232. TAS5706A Class D Power Supply (Linear vs SMPS)
  233. Power Supply Help Needed
  234. Effect of combining capacitors?
  235. Wall wart alternative/AC power supply design & housing questions
  236. Mosfet Quiet Bootstrap
  237. Capacitor questions for a 6x4 supply.
  238. Isolation Transformers Power Requirements
  239. PSU for multiple amps/effects
  240. Tube preamp PSU
  241. LC networks in typical audio PSU applications
  242. Xentek 5kva isolation transformer runs hot!
  243. 15-0-15 supply slightly unbalanced
  244. Power Supply Case Size
  245. Bleeder Resistor
  246. Bleeder Resistor
  247. QP-4275 Power supply repair
  248. Cyrus 3i Modification to use PSX-R
  249. History of SMPS in audio ??
  250. What size of screw and torque screwdriver do I need for Cambridge Audio A1MK3?

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