View Full Version : Power Supplies

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  1. Tube rectifier
  2. Mathematically challenged help for lm 317-337
  3. Is this off-line flyback? B+ switch, Startup troubleshooting steps?
  4. Need 16V rails from an F5 Power Supply
  5. Step down transformer voltage
  6. Help repair a power inverter
  7. Sanding down Hammond transformers
  8. transformer primary winding turns
  9. ISCO 494 ELECTROPHORESIS modified to 1200V 300mA
  10. Having trouble with PS math
  11. 7815 and 7915, which type A or C?
  12. GM-3000 diagram
  13. DC amps on the output of a regulated PSU
  14. Stacking Cores
  15. options for high amperage voltage regulation
  16. Rectifier Boards
  17. Erno Borbely All FET low-noise super shunt regulator
  18. Understanding PFC chips
  19. toroidals together
  20. How these work?...smps
  21. Here is an elegant (insane?) way of converting 220V to 110V
  22. What is the elegant way to convert 220? to 110V?
  23. Ta3020 linear psu Design help
  24. Hum in output of powered subwoofer
  25. can some one please help me id this capacitor, its an easy one for an expert im sure!
  26. Audio Alchemy DAC V1.1 power supply
  27. Determining appropriate frequency when winding a transformer
  28. Center-tap Choke
  29. How to connect a toroidal transformer
  30. step down 200W SMPS
  31. Are these line filters any good?
  32. Push-Pull Mosfet Drivers Help Needed!!!!
  33. Stop feedback from capacitors into power...
  34. X2, AC Line Capacitors
  35. Availability of 3-phase AC mains supply at High-power Audio Installations
  36. HQ-CCS
  37. Mounting an External Amplifier power supply??
  38. New Muse PSU for TA2024? Anyone seen this before?
  39. Making a switching supply quieter?
  40. to where do I connect the grounding terminal of an IEC connector?
  41. reducing V and filtering ripple from chipamp PS for op amps
  42. Thermistor for an 120VA toroid transformer
  43. buck converter using LT3845
  44. scheme for slow inclusion around 3 - 4 seconds
  45. Discrete low current HV supply
  46. voltage regulator module?
  47. Diodes in parallel
  48. MCU controlled PSU
  49. Flux Density in Car SMPS Toroid
  50. Noobs guide to smps- web/text references
  51. Mesure DC in AC outlets Cant find what is making noise in my AC 30CCX Help!!! !!!
  52. duel power supply design help
  53. Inductors for CLC filter
  54. 90v to 500v i\p
  55. 6.3 filament from 5vac winding
  56. Hypex SMPS a minor Tweak
  57. Rectifier diodes
  58. High value capacitor between Hot and Neutral at AC inlet?
  59. Computer SMPS driving T-Amp - noise
  60. Question about AC wall wart usage?
  61. Smps Transformer series or parallal
  62. E-I core
  63. Help to chose transformer
  65. Help modifying a power supply
  66. Lab Power Supply Design / Build
  67. Wanted: Op-amp with single supply, 32V or more, and rail-rail capability
  68. specifications for Bando ats1540 for pioneer amp a105
  69. two transformer power supply wiring
  70. TNY266 flyback switcher
  71. Fluorecent choke for power supply
  72. connex electronic soft start questions
  73. Smart Battery Powered Circuit
  74. 371b power supply
  75. Switching power supply
  76. Powering the preamp from power amp PSU
  77. How to reduce PWM fan noise
  78. need little help with smps
  79. Using 33000uF caps in chipamp.com PSU?
  80. Q about connecting transformer 6v-0-6v
  81. current limiting for power supply
  82. Voltage doubler questions
  83. How to wire transformer?
  84. help needed with tube voltage power supply
  85. EMI choke before switching power supply
  86. Electronic fuse
  87. Simple rectifier/filter board
  88. cant find a decent SMPS for a current project.
  89. Simple DIY buffer PSU
  90. Solid State Relays
  91. Replacing wall wart questions?
  92. HV B+ switch
  93. PSU for car radio
  94. Museatex Meitner PP300 psup
  95. Help needed on CCS from the PSU Guru's
  96. SMPS to amp Boards connection
  97. 1kW LLC converter
  98. DC-DC step up converter?
  99. Help needed - reservoir capacitor after reservoir capacitor
  100. Earthing Questions
  101. 24v\25amp smps
  102. Impossible Ebay Item - Or not?
  103. Building a bench power supply
  104. Simple SMPS using 8 pin PIC microcontroller.
  105. Regulator topology design philosophy
  106. Power Supply for 500W+500W Amplifier
  107. basic question for a power adaptor with TA2024
  108. flux again
  109. Any problems with SMPS in series?
  110. Cheap Phase/Gain analyzer
  111. 12V AC adapter to 5V
  112. large (>18VA) 9VAC transformers hard to find, 8V? 10V?
  113. current transformer in older AT psu-s
  114. Behringer europower pmh1000 blown psu
  115. TAS5706A Class D Power Supply (Linear vs SMPS)
  116. Power Supply Help Needed
  117. Effect of combining capacitors?
  118. Wall wart alternative/AC power supply design & housing questions
  119. Mosfet Quiet Bootstrap
  120. Capacitor questions for a 6x4 supply.
  121. Isolation Transformers Power Requirements
  122. PSU for multiple amps/effects
  123. Tube preamp PSU
  124. LC networks in typical audio PSU applications
  125. Xentek 5kva isolation transformer runs hot!
  126. 15-0-15 supply slightly unbalanced
  127. Power Supply Case Size
  128. Bleeder Resistor
  129. Bleeder Resistor
  130. QP-4275 Power supply repair
  131. Cyrus 3i Modification to use PSX-R
  132. History of SMPS in audio ??
  133. What size of screw and torque screwdriver do I need for Cambridge Audio A1MK3?
  134. unstable emitter followers and odd behavior
  135. HI currenr Regulator
  136. Virtual ground in power amp applications
  137. Four pole (Jenssen) Capacitor question
  138. Electrolitycs?
  139. A circuit diagram from PCB layout and components
  140. where buy transformer
  141. Can I drive a valve circuit with no mains transformer?
  142. Keantoken's CFP cap multiplier
  143. Active Wharfedale Diamonds Transformer
  144. balanced ps from 2 lead tranny
  145. mains filter
  146. How to rate current from SMPS??
  147. Offline full-bridge SMPS
  148. Need help cleaning my waveforms on a simple half-bridge
  149. very simple question
  150. TL431 comparison
  151. LM337 and AN-181
  152. Help connecting power wires in Amp Head
  153. Need to knock a few volts off..!
  154. Is it worth potting the transformer and PSU caps of my Firstwatt f2
  155. Monster Cable HTS 5100mkii
  156. Adjusting a SMPS output
  157. Hypex SMPS - 12V Trigger (25mA)
  158. Scored preamp power supply, want opinions
  159. Batteries for power amps?
  160. Low-noise mains power for my device?
  161. 0 to 100V digitally controlled supply
  162. Question Regarding Soft-Start
  163. 35+35 800w smps
  164. 0ne 100uF cap or ten 10uF caps (or two 200uF caps...etc)
  165. Computer power supply
  166. Simple Xformer+R (oh, mysterious R!) question
  167. Using PC PSU for Sure 4x100 amp board
  168. quasi variac controlled wallwart
  169. preamp supply LOW power LOW noise LOW cost
  170. how do i convert 220VAC to 220VDC?
  171. Snubbing power switch properly
  172. Synchronous rectifier
  173. Mfg: ReQuest IMC IQ88
  174. Topologia of the fountain ATX seventeam, design of the trafo
  175. soft start help
  176. Commercial Mains Filters - Good or bad idea?
  177. Xfrmr secondary phasing
  178. Need a little help with UPS as inverters
  179. cheap simple way to drop 3-5v
  180. What happens with an output choke on a SMPS
  181. SMPS Core question
  182. Unregulated Power PCB
  183. Problem with tube regulator?
  184. New fan for KEPCO SM-160-1M
  185. dual lm3886 41hz supply?
  186. Inexpensive low profile 50,000 uF 60V caps in PSU
  187. Battery management system - how complicate is it ?
  188. Dual PSU layout - how does this look?
  189. Placing capacitor close to a power transformer
  190. Compare IGBT-losses and MOSFET-losses
  191. How to schematic switching power supply full bridge ?
  192. SLA Batteries - Advantages over Wall Warts
  193. How much does a 300 VA trafo weigh
  194. Any tips on how to include two power supplies safely and efficiently?
  195. How to protect circuits from reverse current flow?
  196. MOSFET body diodes in phase shift smps
  197. Questions
  198. need a smallish 24v 5A power supply ..
  199. When selecting DC connector plugs and sockets how do you make sure they match?
  200. power down
  201. First Power Supply
  202. ARC style regulated psu, tubed
  203. Choosing transformer for desired wattage
  204. Discrete Regulator for VAS and Input Stage
  205. Question about measuring DC output ripple
  206. Protection of variac...
  207. LTspice - problem simulating simple rectifier
  208. Eliminating Battery Charger Noise in DIY Stereo
  209. two-stage soft-start for large toroidals
  210. Help : any tips to get +/-24v from SLA 48v Battery
  211. ground noise
  212. Crown CL2 service schematics needed.
  213. Lets build a POWER CONDITIONER! input needed.
  214. Odd SMPS. Please, can you help me with it?
  215. Tube PS for mic pre help
  216. 12 vdc to 19vdc 5a
  217. series electrolytics....
  218. Marantz 2215b Transformer and personal build
  219. toroidal trafo help
  220. Power supply for T-amp and pre-amp?
  221. Building a "stiff" supply and need some input...
  222. can anyone tell me what this is and where to order a new one?
  223. Need help on Delta 1010 PSU mods
  224. How do i build a 12v power supply ?
  225. First filter cap - Big or Small?
  226. Why voltage dropped in my new transformer?
  227. simple design not working.
  228. Charging 12V SLA with bike dynamo / generator
  229. DAR PLUS E-I transformer dead How to work out voltage?
  230. Adjustable +/- 0-50V 0-5A Power Supply Schematics
  231. Simple (?) Capacitor question
  232. transformer wiring causing brain melt down
  233. Adjustable negative voltage supply
  234. Why does my SMPS show poor regulation?
  235. 80's boomboxes - how did they power the amps?
  236. Power Supply Wiring
  237. Opinions on power supply.
  238. Quick Q - 2 SMPS supplies in parallel
  239. selection of optocoupler.
  240. Help with rectifier circuit
  241. 18V AC+ 12V AC to +/-15V DC??
  242. looking for a high voltage (1kv) transistor
  243. Transformer soft-start with relays
  244. Power supply thoughts...
  245. supply change
  246. power resistor value ohm an watts??
  247. needing some ideas for a radio controlled car re capacitors!!
  248. flyback design issues
  249. Wire diameter in SMPS transformer - confusion
  250. 7915 regulator troubles

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