View Full Version : Power Supplies

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  1. Cheap Phase/Gain analyzer
  2. 12V AC adapter to 5V
  3. large (>18VA) 9VAC transformers hard to find, 8V? 10V?
  4. current transformer in older AT psu-s
  5. Behringer europower pmh1000 blown psu
  6. TAS5706A Class D Power Supply (Linear vs SMPS)
  7. Power Supply Help Needed
  8. Effect of combining capacitors?
  9. Wall wart alternative/AC power supply design & housing questions
  10. Mosfet Quiet Bootstrap
  11. Capacitor questions for a 6x4 supply.
  12. Isolation Transformers Power Requirements
  13. PSU for multiple amps/effects
  14. Tube preamp PSU
  15. LC networks in typical audio PSU applications
  16. Xentek 5kva isolation transformer runs hot!
  17. 15-0-15 supply slightly unbalanced
  18. Power Supply Case Size
  19. Bleeder Resistor
  20. Bleeder Resistor
  21. QP-4275 Power supply repair
  22. Cyrus 3i Modification to use PSX-R
  23. History of SMPS in audio ??
  24. What size of screw and torque screwdriver do I need for Cambridge Audio A1MK3?
  25. unstable emitter followers and odd behavior
  26. HI currenr Regulator
  27. Virtual ground in power amp applications
  28. Four pole (Jenssen) Capacitor question
  29. Electrolitycs?
  30. A circuit diagram from PCB layout and components
  31. where buy transformer
  32. Can I drive a valve circuit with no mains transformer?
  33. Keantoken's CFP cap multiplier
  34. Active Wharfedale Diamonds Transformer
  35. balanced ps from 2 lead tranny
  36. mains filter
  37. How to rate current from SMPS??
  38. Offline full-bridge SMPS
  39. Need help cleaning my waveforms on a simple half-bridge
  40. very simple question
  41. TL431 comparison
  42. LM337 and AN-181
  43. Help connecting power wires in Amp Head
  44. Need to knock a few volts off..!
  45. Is it worth potting the transformer and PSU caps of my Firstwatt f2
  46. Monster Cable HTS 5100mkii
  47. Adjusting a SMPS output
  48. Hypex SMPS - 12V Trigger (25mA)
  49. Scored preamp power supply, want opinions
  50. Batteries for power amps?
  51. Low-noise mains power for my device?
  52. 0 to 100V digitally controlled supply
  53. Question Regarding Soft-Start
  54. 35+35 800w smps
  55. 0ne 100uF cap or ten 10uF caps (or two 200uF caps...etc)
  56. Computer power supply
  57. Simple Xformer+R (oh, mysterious R!) question
  58. Using PC PSU for Sure 4x100 amp board
  59. quasi variac controlled wallwart
  60. preamp supply LOW power LOW noise LOW cost
  61. how do i convert 220VAC to 220VDC?
  62. Snubbing power switch properly
  63. Synchronous rectifier
  64. Mfg: ReQuest IMC IQ88
  65. Topologia of the fountain ATX seventeam, design of the trafo
  66. soft start help
  67. Commercial Mains Filters - Good or bad idea?
  68. Xfrmr secondary phasing
  69. Need a little help with UPS as inverters
  70. cheap simple way to drop 3-5v
  71. What happens with an output choke on a SMPS
  72. SMPS Core question
  73. Unregulated Power PCB
  74. Problem with tube regulator?
  75. New fan for KEPCO SM-160-1M
  76. dual lm3886 41hz supply?
  77. Inexpensive low profile 50,000 uF 60V caps in PSU
  78. Battery management system - how complicate is it ?
  79. Dual PSU layout - how does this look?
  80. Placing capacitor close to a power transformer
  81. Compare IGBT-losses and MOSFET-losses
  82. How to schematic switching power supply full bridge ?
  83. SLA Batteries - Advantages over Wall Warts
  84. How much does a 300 VA trafo weigh
  85. Any tips on how to include two power supplies safely and efficiently?
  86. How to protect circuits from reverse current flow?
  87. MOSFET body diodes in phase shift smps
  88. Questions
  89. need a smallish 24v 5A power supply ..
  90. When selecting DC connector plugs and sockets how do you make sure they match?
  91. power down
  92. First Power Supply
  93. ARC style regulated psu, tubed
  94. Choosing transformer for desired wattage
  95. Discrete Regulator for VAS and Input Stage
  96. Question about measuring DC output ripple
  97. Protection of variac...
  98. LTspice - problem simulating simple rectifier
  99. Eliminating Battery Charger Noise in DIY Stereo
  100. two-stage soft-start for large toroidals
  101. Help : any tips to get +/-24v from SLA 48v Battery
  102. ground noise
  103. Crown CL2 service schematics needed.
  104. Lets build a POWER CONDITIONER! input needed.
  105. Odd SMPS. Please, can you help me with it?
  106. Tube PS for mic pre help
  107. 12 vdc to 19vdc 5a
  108. series electrolytics....
  109. Marantz 2215b Transformer and personal build
  110. toroidal trafo help
  111. Power supply for T-amp and pre-amp?
  112. Building a "stiff" supply and need some input...
  113. can anyone tell me what this is and where to order a new one?
  114. Need help on Delta 1010 PSU mods
  115. How do i build a 12v power supply ?
  116. First filter cap - Big or Small?
  117. Why voltage dropped in my new transformer?
  118. simple design not working.
  119. Charging 12V SLA with bike dynamo / generator
  120. DAR PLUS E-I transformer dead How to work out voltage?
  121. Adjustable +/- 0-50V 0-5A Power Supply Schematics
  122. Simple (?) Capacitor question
  123. transformer wiring causing brain melt down
  124. Adjustable negative voltage supply
  125. Why does my SMPS show poor regulation?
  126. 80's boomboxes - how did they power the amps?
  127. Power Supply Wiring
  128. Opinions on power supply.
  129. Quick Q - 2 SMPS supplies in parallel
  130. selection of optocoupler.
  131. Help with rectifier circuit
  132. 18V AC+ 12V AC to +/-15V DC??
  133. looking for a high voltage (1kv) transistor
  134. Transformer soft-start with relays
  135. Power supply thoughts...
  136. supply change
  137. power resistor value ohm an watts??
  138. needing some ideas for a radio controlled car re capacitors!!
  139. flyback design issues
  140. Wire diameter in SMPS transformer - confusion
  141. 7915 regulator troubles
  142. need to clear about voltage of diode rectifier for psu
  143. I need a PSU for 6 LM3886's
  144. Connexelectronic a350smps or meanwell usd350?
  145. Transformer wiring to mains
  146. SMPS gate drive - please educate me
  147. Sony f211 intergreated amplifier wont power up
  148. Fast capacitors for SMPS
  149. Simple 78xx replacements
  150. suggestions for a power supply mod
  151. Does a LM317 act like a transformer
  152. transformer rating for a 1000W rms amp
  153. Supply voltage doubler question
  154. psu suggestions for 4 x 300w 4ohm
  155. linn smps powersupply
  156. High frequency SMPS for audio
  157. Major inrush surge problem with Toroid, HELP!
  158. Custom power transformer requirements
  159. Threads for SS High Voltage Power Regulators?
  160. A slightly different question about parallel rectifiers
  161. triac replacing transformer is it possible????????????
  162. Old mini Atx Powersupply
  163. Help with rewinding a transformer
  164. Power supply for my laboratory bench
  165. why sound best??
  166. Velleman 200W amp
  167. non-isolated power supply?
  168. Simple question on reverse polarity protection
  169. 750W inverter
  170. Soft Start again
  171. 12V to 160V@500mA ?
  172. Massive 3000 power supply trouble
  173. possible transformer VA ratings
  174. Help with 0 - 120 V linear DC power supply
  175. Need some help designing an SMPS for a car amp
  176. Need help!
  177. Extreme DIY: Building a homemade nuclear reactor in NYC
  178. Super PSU transformer
  179. smps in seriel for tube power supply
  180. Voltage regulators that work ~50V?
  181. Citation toroid for TT
  182. What's the skinney on using a SMPS for Hi-Fi?
  183. Peak or not peak, that is the question?
  184. Quick question on connecting this power supply
  185. Tranformer size how much is too much?
  186. Help Calculating Voltage after Rectification
  187. 230VAC to 5VDC 2A SMPS power supply design needed.
  188. Need transformer material datasheet
  189. Have 7v ac need 6.3v ac, need simple ideer
  190. PA input voltage simple precision regulator
  191. Help please,need to build a power supply for a car amp for home use
  192. +5V high current low noise regulator?
  193. help with transformer
  194. Power supply for 2 x fosgate P200.2 Amps
  195. SMPS Transformer Cooling
  196. Transformer questions
  197. Tryin to find a transformer
  198. help looking for a space saving isolation transformer for a portable tube amp
  199. (help) behringer mx9000 ps revisited
  200. 2 transformers per channel
  201. Ross Powered Mixer PC-4110MT transformer wiring
  202. The poor man SMPS
  203. Current Transformer: New Idea
  204. capacitor value
  205. Where to buy step-down toroidal transformer with electrostatic shield?
  206. Help need with PS for Idiot
  207. Amp needed for speakers
  208. External power supply / dangerous voltage?
  209. Placing regulator chip close to amplifier
  210. [Newbie] IP317T +1A 18V transformer - How much power?
  211. Externally programmed and adjustable regulated outboard amp power supply
  212. Buck converter using TL494?
  213. Using SMPS
  214. Need to clean up power...
  215. Design choices 12>>40V 100W ETD29 SMPS
  216. Will this work with regulators?
  217. 500W or more
  218. simple ic for 0-100% duty cycle PWM
  219. Push-pull SMPS (12V to +-25V) question
  220. Power supply For TDA2030A
  221. SMPS design for a car amp....not sure which topology to go with
  222. Help for Full Bridge 800W quasi resonant SPM
  223. Just a nice video ...
  224. Two Transformer Balanced Power Unit
  225. Wire Kit for Battery
  226. Modifying Powersupply
  227. How easy is it to replace a transformer in a linear power supply?
  228. Wire DC Power Jack for 9V Battery
  229. choke loaded power supply
  230. Light Bulb Tester
  231. toroidal transformers help
  232. orion 2100 HCCA amplifier
  233. Does this two circuit have the same output?
  234. Toroidal hum/buzz. Modifyed Venus PS-400A
  235. Confusion about star grounding?
  236. Automotive input magamp PSU
  237. Synchronous Rectification
  238. Power supply problem
  239. Connecting 2 bridge rectrifier
  240. half-bridge to full-bridge
  241. Isolated PFC Topology choice, 800W.
  242. Transform computer supply into 400V supply for tubes
  243. Possible to rewire this PSU from 220V to 110V?
  244. Newbie question about transformer?
  245. Solid state rectifier for SE guitar amp (Vox AC4)
  246. Problem with dual tracking power supply
  247. mAh Testing... finding out...
  248. PWM controllers with built in FETs?
  249. the 1.25v of lm317
  250. Use of dual transformer for mono amp

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