View Full Version : Power Supplies

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  1. Power Supply Help Needed
  2. Effect of combining capacitors?
  3. Wall wart alternative/AC power supply design & housing questions
  4. Mosfet Quiet Bootstrap
  5. Capacitor questions for a 6x4 supply.
  6. Isolation Transformers Power Requirements
  7. PSU for multiple amps/effects
  8. Tube preamp PSU
  9. LC networks in typical audio PSU applications
  10. Xentek 5kva isolation transformer runs hot!
  11. 15-0-15 supply slightly unbalanced
  12. Power Supply Case Size
  13. Bleeder Resistor
  14. Bleeder Resistor
  15. QP-4275 Power supply repair
  16. Cyrus 3i Modification to use PSX-R
  17. History of SMPS in audio ??
  18. What size of screw and torque screwdriver do I need for Cambridge Audio A1MK3?
  19. unstable emitter followers and odd behavior
  20. HI currenr Regulator
  21. Virtual ground in power amp applications
  22. Four pole (Jenssen) Capacitor question
  23. Electrolitycs?
  24. A circuit diagram from PCB layout and components
  25. where buy transformer
  26. Can I drive a valve circuit with no mains transformer?
  27. Keantoken's CFP cap multiplier
  28. Active Wharfedale Diamonds Transformer
  29. balanced ps from 2 lead tranny
  30. mains filter
  31. How to rate current from SMPS??
  32. Offline full-bridge SMPS
  33. Need help cleaning my waveforms on a simple half-bridge
  34. very simple question
  35. TL431 comparison
  36. LM337 and AN-181
  37. Help connecting power wires in Amp Head
  38. Need to knock a few volts off..!
  39. Is it worth potting the transformer and PSU caps of my Firstwatt f2
  40. Monster Cable HTS 5100mkii
  41. Adjusting a SMPS output
  42. Hypex SMPS - 12V Trigger (25mA)
  43. Scored preamp power supply, want opinions
  44. Batteries for power amps?
  45. Low-noise mains power for my device?
  46. 0 to 100V digitally controlled supply
  47. Question Regarding Soft-Start
  48. 35+35 800w smps
  49. 0ne 100uF cap or ten 10uF caps (or two 200uF caps...etc)
  50. Computer power supply
  51. Simple Xformer+R (oh, mysterious R!) question
  52. Using PC PSU for Sure 4x100 amp board
  53. quasi variac controlled wallwart
  54. preamp supply LOW power LOW noise LOW cost
  55. how do i convert 220VAC to 220VDC?
  56. Snubbing power switch properly
  57. Synchronous rectifier
  58. Mfg: ReQuest IMC IQ88
  59. Topologia of the fountain ATX seventeam, design of the trafo
  60. soft start help
  61. Commercial Mains Filters - Good or bad idea?
  62. Xfrmr secondary phasing
  63. Need a little help with UPS as inverters
  64. cheap simple way to drop 3-5v
  65. What happens with an output choke on a SMPS
  66. SMPS Core question
  67. Unregulated Power PCB
  68. Problem with tube regulator?
  69. New fan for KEPCO SM-160-1M
  70. dual lm3886 41hz supply?
  71. Inexpensive low profile 50,000 uF 60V caps in PSU
  72. Battery management system - how complicate is it ?
  73. Dual PSU layout - how does this look?
  74. Placing capacitor close to a power transformer
  75. Compare IGBT-losses and MOSFET-losses
  76. How to schematic switching power supply full bridge ?
  77. SLA Batteries - Advantages over Wall Warts
  78. How much does a 300 VA trafo weigh
  79. Any tips on how to include two power supplies safely and efficiently?
  80. How to protect circuits from reverse current flow?
  81. MOSFET body diodes in phase shift smps
  82. Questions
  83. need a smallish 24v 5A power supply ..
  84. When selecting DC connector plugs and sockets how do you make sure they match?
  85. power down
  86. First Power Supply
  87. ARC style regulated psu, tubed
  88. Choosing transformer for desired wattage
  89. Discrete Regulator for VAS and Input Stage
  90. Question about measuring DC output ripple
  91. Protection of variac...
  92. LTspice - problem simulating simple rectifier
  93. Eliminating Battery Charger Noise in DIY Stereo
  94. two-stage soft-start for large toroidals
  95. Help : any tips to get +/-24v from SLA 48v Battery
  96. ground noise
  97. Crown CL2 service schematics needed.
  98. Lets build a POWER CONDITIONER! input needed.
  99. Odd SMPS. Please, can you help me with it?
  100. Tube PS for mic pre help
  101. 12 vdc to 19vdc 5a
  102. series electrolytics....
  103. Marantz 2215b Transformer and personal build
  104. toroidal trafo help
  105. Power supply for T-amp and pre-amp?
  106. Building a "stiff" supply and need some input...
  107. can anyone tell me what this is and where to order a new one?
  108. Need help on Delta 1010 PSU mods
  109. How do i build a 12v power supply ?
  110. First filter cap - Big or Small?
  111. Why voltage dropped in my new transformer?
  112. simple design not working.
  113. Charging 12V SLA with bike dynamo / generator
  114. DAR PLUS E-I transformer dead How to work out voltage?
  115. Adjustable +/- 0-50V 0-5A Power Supply Schematics
  116. Simple (?) Capacitor question
  117. transformer wiring causing brain melt down
  118. Adjustable negative voltage supply
  119. Why does my SMPS show poor regulation?
  120. 80's boomboxes - how did they power the amps?
  121. Power Supply Wiring
  122. Opinions on power supply.
  123. Quick Q - 2 SMPS supplies in parallel
  124. selection of optocoupler.
  125. Help with rectifier circuit
  126. 18V AC+ 12V AC to +/-15V DC??
  127. looking for a high voltage (1kv) transistor
  128. Transformer soft-start with relays
  129. Power supply thoughts...
  130. supply change
  131. power resistor value ohm an watts??
  132. needing some ideas for a radio controlled car re capacitors!!
  133. flyback design issues
  134. Wire diameter in SMPS transformer - confusion
  135. 7915 regulator troubles
  136. need to clear about voltage of diode rectifier for psu
  137. I need a PSU for 6 LM3886's
  138. Connexelectronic a350smps or meanwell usd350?
  139. Transformer wiring to mains
  140. SMPS gate drive - please educate me
  141. Sony f211 intergreated amplifier wont power up
  142. Fast capacitors for SMPS
  143. Simple 78xx replacements
  144. suggestions for a power supply mod
  145. Does a LM317 act like a transformer
  146. transformer rating for a 1000W rms amp
  147. Supply voltage doubler question
  148. psu suggestions for 4 x 300w 4ohm
  149. linn smps powersupply
  150. High frequency SMPS for audio
  151. Major inrush surge problem with Toroid, HELP!
  152. Custom power transformer requirements
  153. Threads for SS High Voltage Power Regulators?
  154. A slightly different question about parallel rectifiers
  155. triac replacing transformer is it possible????????????
  156. Old mini Atx Powersupply
  157. Help with rewinding a transformer
  158. Power supply for my laboratory bench
  159. why sound best??
  160. Velleman 200W amp
  161. non-isolated power supply?
  162. Simple question on reverse polarity protection
  163. 750W inverter
  164. Soft Start again
  165. 12V to 160V@500mA ?
  166. Massive 3000 power supply trouble
  167. possible transformer VA ratings
  168. Help with 0 - 120 V linear DC power supply
  169. Need some help designing an SMPS for a car amp
  170. Need help!
  171. Extreme DIY: Building a homemade nuclear reactor in NYC
  172. Super PSU transformer
  173. smps in seriel for tube power supply
  174. Voltage regulators that work ~50V?
  175. Citation toroid for TT
  176. What's the skinney on using a SMPS for Hi-Fi?
  177. Peak or not peak, that is the question?
  178. Quick question on connecting this power supply
  179. Tranformer size how much is too much?
  180. Help Calculating Voltage after Rectification
  181. 230VAC to 5VDC 2A SMPS power supply design needed.
  182. Need transformer material datasheet
  183. Have 7v ac need 6.3v ac, need simple ideer
  184. PA input voltage simple precision regulator
  185. Help please,need to build a power supply for a car amp for home use
  186. +5V high current low noise regulator?
  187. help with transformer
  188. Power supply for 2 x fosgate P200.2 Amps
  189. SMPS Transformer Cooling
  190. Transformer questions
  191. Tryin to find a transformer
  192. help looking for a space saving isolation transformer for a portable tube amp
  193. (help) behringer mx9000 ps revisited
  194. 2 transformers per channel
  195. Ross Powered Mixer PC-4110MT transformer wiring
  196. The poor man SMPS
  197. Current Transformer: New Idea
  198. capacitor value
  199. Where to buy step-down toroidal transformer with electrostatic shield?
  200. Help need with PS for Idiot
  201. Amp needed for speakers
  202. External power supply / dangerous voltage?
  203. Placing regulator chip close to amplifier
  204. [Newbie] IP317T +1A 18V transformer - How much power?
  205. Externally programmed and adjustable regulated outboard amp power supply
  206. Buck converter using TL494?
  207. Using SMPS
  208. Need to clean up power...
  209. Design choices 12>>40V 100W ETD29 SMPS
  210. Will this work with regulators?
  211. 500W or more
  212. simple ic for 0-100% duty cycle PWM
  213. Push-pull SMPS (12V to +-25V) question
  214. Power supply For TDA2030A
  215. SMPS design for a car amp....not sure which topology to go with
  216. Help for Full Bridge 800W quasi resonant SPM
  217. Just a nice video ...
  218. Two Transformer Balanced Power Unit
  219. Wire Kit for Battery
  220. Modifying Powersupply
  221. How easy is it to replace a transformer in a linear power supply?
  222. Wire DC Power Jack for 9V Battery
  223. choke loaded power supply
  224. Light Bulb Tester
  225. toroidal transformers help
  226. orion 2100 HCCA amplifier
  227. Does this two circuit have the same output?
  228. Toroidal hum/buzz. Modifyed Venus PS-400A
  229. Confusion about star grounding?
  230. Automotive input magamp PSU
  231. Synchronous Rectification
  232. Power supply problem
  233. Connecting 2 bridge rectrifier
  234. half-bridge to full-bridge
  235. Isolated PFC Topology choice, 800W.
  236. Transform computer supply into 400V supply for tubes
  237. Possible to rewire this PSU from 220V to 110V?
  238. Newbie question about transformer?
  239. Solid state rectifier for SE guitar amp (Vox AC4)
  240. Problem with dual tracking power supply
  241. mAh Testing... finding out...
  242. PWM controllers with built in FETs?
  243. the 1.25v of lm317
  244. Use of dual transformer for mono amp
  245. +/- 12v dc PSU Required
  246. 15v Halogen switched mode power supply
  247. RECOMENDATION for 40khz push-pull smps
  248. Linear Power Supplies with Torroidal transformers
  249. does have possibility to build a SMPS flyback 13.8v 50A ?
  250. SMPS flyback, transistor problem

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