View Full Version : Power Supplies

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  1. E-I core
  2. Help to chose transformer
  4. Help modifying a power supply
  5. Lab Power Supply Design / Build
  6. Wanted: Op-amp with single supply, 32V or more, and rail-rail capability
  7. specifications for Bando ats1540 for pioneer amp a105
  8. two transformer power supply wiring
  9. TNY266 flyback switcher
  10. Fluorecent choke for power supply
  11. connex electronic soft start questions
  12. Smart Battery Powered Circuit
  13. 371b power supply
  14. Switching power supply
  15. Powering the preamp from power amp PSU
  16. How to reduce PWM fan noise
  17. need little help with smps
  18. Using 33000uF caps in chipamp.com PSU?
  19. Q about connecting transformer 6v-0-6v
  20. current limiting for power supply
  21. Voltage doubler questions
  22. How to wire transformer?
  23. help needed with tube voltage power supply
  24. EMI choke before switching power supply
  25. Electronic fuse
  26. Simple rectifier/filter board
  27. cant find a decent SMPS for a current project.
  28. Simple DIY buffer PSU
  29. Solid State Relays
  30. Replacing wall wart questions?
  31. HV B+ switch
  32. PSU for car radio
  33. Museatex Meitner PP300 psup
  34. Help needed on CCS from the PSU Guru's
  35. SMPS to amp Boards connection
  36. 1kW LLC converter
  37. DC-DC step up converter?
  38. Help needed - reservoir capacitor after reservoir capacitor
  39. Earthing Questions
  40. 24v\25amp smps
  41. Impossible Ebay Item - Or not?
  42. Building a bench power supply
  43. Simple SMPS using 8 pin PIC microcontroller.
  44. Regulator topology design philosophy
  45. Power Supply for 500W+500W Amplifier
  46. basic question for a power adaptor with TA2024
  47. flux again
  48. Any problems with SMPS in series?
  49. Cheap Phase/Gain analyzer
  50. 12V AC adapter to 5V
  51. large (>18VA) 9VAC transformers hard to find, 8V? 10V?
  52. current transformer in older AT psu-s
  53. Behringer europower pmh1000 blown psu
  54. TAS5706A Class D Power Supply (Linear vs SMPS)
  55. Power Supply Help Needed
  56. Effect of combining capacitors?
  57. Wall wart alternative/AC power supply design & housing questions
  58. Mosfet Quiet Bootstrap
  59. Capacitor questions for a 6x4 supply.
  60. Isolation Transformers Power Requirements
  61. PSU for multiple amps/effects
  62. Tube preamp PSU
  63. LC networks in typical audio PSU applications
  64. Xentek 5kva isolation transformer runs hot!
  65. 15-0-15 supply slightly unbalanced
  66. Power Supply Case Size
  67. Bleeder Resistor
  68. Bleeder Resistor
  69. QP-4275 Power supply repair
  70. Cyrus 3i Modification to use PSX-R
  71. History of SMPS in audio ??
  72. What size of screw and torque screwdriver do I need for Cambridge Audio A1MK3?
  73. unstable emitter followers and odd behavior
  74. HI currenr Regulator
  75. Virtual ground in power amp applications
  76. Four pole (Jenssen) Capacitor question
  77. Electrolitycs?
  78. A circuit diagram from PCB layout and components
  79. where buy transformer
  80. Can I drive a valve circuit with no mains transformer?
  81. Keantoken's CFP cap multiplier
  82. Active Wharfedale Diamonds Transformer
  83. balanced ps from 2 lead tranny
  84. mains filter
  85. How to rate current from SMPS??
  86. Offline full-bridge SMPS
  87. Need help cleaning my waveforms on a simple half-bridge
  88. very simple question
  89. TL431 comparison
  90. LM337 and AN-181
  91. Help connecting power wires in Amp Head
  92. Need to knock a few volts off..!
  93. Is it worth potting the transformer and PSU caps of my Firstwatt f2
  94. Monster Cable HTS 5100mkii
  95. Adjusting a SMPS output
  96. Hypex SMPS - 12V Trigger (25mA)
  97. Scored preamp power supply, want opinions
  98. Batteries for power amps?
  99. Low-noise mains power for my device?
  100. 0 to 100V digitally controlled supply
  101. Question Regarding Soft-Start
  102. 35+35 800w smps
  103. 0ne 100uF cap or ten 10uF caps (or two 200uF caps...etc)
  104. Computer power supply
  105. Simple Xformer+R (oh, mysterious R!) question
  106. Using PC PSU for Sure 4x100 amp board
  107. quasi variac controlled wallwart
  108. preamp supply LOW power LOW noise LOW cost
  109. how do i convert 220VAC to 220VDC?
  110. Snubbing power switch properly
  111. Synchronous rectifier
  112. Mfg: ReQuest IMC IQ88
  113. Topologia of the fountain ATX seventeam, design of the trafo
  114. soft start help
  115. Commercial Mains Filters - Good or bad idea?
  116. Xfrmr secondary phasing
  117. Need a little help with UPS as inverters
  118. cheap simple way to drop 3-5v
  119. What happens with an output choke on a SMPS
  120. SMPS Core question
  121. Unregulated Power PCB
  122. Problem with tube regulator?
  123. New fan for KEPCO SM-160-1M
  124. dual lm3886 41hz supply?
  125. Inexpensive low profile 50,000 uF 60V caps in PSU
  126. Battery management system - how complicate is it ?
  127. Dual PSU layout - how does this look?
  128. Placing capacitor close to a power transformer
  129. Compare IGBT-losses and MOSFET-losses
  130. How to schematic switching power supply full bridge ?
  131. SLA Batteries - Advantages over Wall Warts
  132. How much does a 300 VA trafo weigh
  133. Any tips on how to include two power supplies safely and efficiently?
  134. How to protect circuits from reverse current flow?
  135. MOSFET body diodes in phase shift smps
  136. Questions
  137. need a smallish 24v 5A power supply ..
  138. When selecting DC connector plugs and sockets how do you make sure they match?
  139. power down
  140. First Power Supply
  141. ARC style regulated psu, tubed
  142. Choosing transformer for desired wattage
  143. Discrete Regulator for VAS and Input Stage
  144. Question about measuring DC output ripple
  145. Protection of variac...
  146. LTspice - problem simulating simple rectifier
  147. Eliminating Battery Charger Noise in DIY Stereo
  148. two-stage soft-start for large toroidals
  149. Help : any tips to get +/-24v from SLA 48v Battery
  150. ground noise
  151. Crown CL2 service schematics needed.
  152. Lets build a POWER CONDITIONER! input needed.
  153. Odd SMPS. Please, can you help me with it?
  154. Tube PS for mic pre help
  155. 12 vdc to 19vdc 5a
  156. series electrolytics....
  157. Marantz 2215b Transformer and personal build
  158. toroidal trafo help
  159. Power supply for T-amp and pre-amp?
  160. Building a "stiff" supply and need some input...
  161. can anyone tell me what this is and where to order a new one?
  162. Need help on Delta 1010 PSU mods
  163. How do i build a 12v power supply ?
  164. First filter cap - Big or Small?
  165. Why voltage dropped in my new transformer?
  166. simple design not working.
  167. Charging 12V SLA with bike dynamo / generator
  168. DAR PLUS E-I transformer dead How to work out voltage?
  169. Adjustable +/- 0-50V 0-5A Power Supply Schematics
  170. Simple (?) Capacitor question
  171. transformer wiring causing brain melt down
  172. Adjustable negative voltage supply
  173. Why does my SMPS show poor regulation?
  174. 80's boomboxes - how did they power the amps?
  175. Power Supply Wiring
  176. Opinions on power supply.
  177. Quick Q - 2 SMPS supplies in parallel
  178. selection of optocoupler.
  179. Help with rectifier circuit
  180. 18V AC+ 12V AC to +/-15V DC??
  181. looking for a high voltage (1kv) transistor
  182. Transformer soft-start with relays
  183. Power supply thoughts...
  184. supply change
  185. power resistor value ohm an watts??
  186. needing some ideas for a radio controlled car re capacitors!!
  187. flyback design issues
  188. Wire diameter in SMPS transformer - confusion
  189. 7915 regulator troubles
  190. need to clear about voltage of diode rectifier for psu
  191. I need a PSU for 6 LM3886's
  192. Connexelectronic a350smps or meanwell usd350?
  193. Transformer wiring to mains
  194. SMPS gate drive - please educate me
  195. Sony f211 intergreated amplifier wont power up
  196. Fast capacitors for SMPS
  197. Simple 78xx replacements
  198. suggestions for a power supply mod
  199. Does a LM317 act like a transformer
  200. transformer rating for a 1000W rms amp
  201. Supply voltage doubler question
  202. psu suggestions for 4 x 300w 4ohm
  203. linn smps powersupply
  204. High frequency SMPS for audio
  205. Major inrush surge problem with Toroid, HELP!
  206. Custom power transformer requirements
  207. Threads for SS High Voltage Power Regulators?
  208. A slightly different question about parallel rectifiers
  209. triac replacing transformer is it possible????????????
  210. Old mini Atx Powersupply
  211. Help with rewinding a transformer
  212. Power supply for my laboratory bench
  213. why sound best??
  214. Velleman 200W amp
  215. non-isolated power supply?
  216. Simple question on reverse polarity protection
  217. 750W inverter
  218. Soft Start again
  219. 12V to 160V@500mA ?
  220. Massive 3000 power supply trouble
  221. possible transformer VA ratings
  222. Help with 0 - 120 V linear DC power supply
  223. Need some help designing an SMPS for a car amp
  224. Need help!
  225. Extreme DIY: Building a homemade nuclear reactor in NYC
  226. Super PSU transformer
  227. smps in seriel for tube power supply
  228. Voltage regulators that work ~50V?
  229. Citation toroid for TT
  230. What's the skinney on using a SMPS for Hi-Fi?
  231. Peak or not peak, that is the question?
  232. Quick question on connecting this power supply
  233. Tranformer size how much is too much?
  234. Help Calculating Voltage after Rectification
  235. 230VAC to 5VDC 2A SMPS power supply design needed.
  236. Need transformer material datasheet
  237. Have 7v ac need 6.3v ac, need simple ideer
  238. PA input voltage simple precision regulator
  239. Help please,need to build a power supply for a car amp for home use
  240. +5V high current low noise regulator?
  241. help with transformer
  242. Power supply for 2 x fosgate P200.2 Amps
  243. SMPS Transformer Cooling
  244. Transformer questions
  245. Tryin to find a transformer
  246. help looking for a space saving isolation transformer for a portable tube amp
  247. (help) behringer mx9000 ps revisited
  248. 2 transformers per channel
  249. Ross Powered Mixer PC-4110MT transformer wiring
  250. The poor man SMPS

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