View Full Version : Power Supplies

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  1. LM337 and AN-181
  2. Help connecting power wires in Amp Head
  3. Need to knock a few volts off..!
  4. Is it worth potting the transformer and PSU caps of my Firstwatt f2
  5. Monster Cable HTS 5100mkii
  6. Adjusting a SMPS output
  7. Hypex SMPS - 12V Trigger (25mA)
  8. Scored preamp power supply, want opinions
  9. Batteries for power amps?
  10. Low-noise mains power for my device?
  11. 0 to 100V digitally controlled supply
  12. Question Regarding Soft-Start
  13. 35+35 800w smps
  14. 0ne 100uF cap or ten 10uF caps (or two 200uF caps...etc)
  15. Computer power supply
  16. Simple Xformer+R (oh, mysterious R!) question
  17. Using PC PSU for Sure 4x100 amp board
  18. quasi variac controlled wallwart
  19. preamp supply LOW power LOW noise LOW cost
  20. how do i convert 220VAC to 220VDC?
  21. Snubbing power switch properly
  22. Synchronous rectifier
  23. Mfg: ReQuest IMC IQ88
  24. Topologia of the fountain ATX seventeam, design of the trafo
  25. soft start help
  26. Commercial Mains Filters - Good or bad idea?
  27. Xfrmr secondary phasing
  28. Need a little help with UPS as inverters
  29. cheap simple way to drop 3-5v
  30. What happens with an output choke on a SMPS
  31. SMPS Core question
  32. Unregulated Power PCB
  33. Problem with tube regulator?
  34. New fan for KEPCO SM-160-1M
  35. dual lm3886 41hz supply?
  36. Inexpensive low profile 50,000 uF 60V caps in PSU
  37. Battery management system - how complicate is it ?
  38. Dual PSU layout - how does this look?
  39. Placing capacitor close to a power transformer
  40. Compare IGBT-losses and MOSFET-losses
  41. How to schematic switching power supply full bridge ?
  42. SLA Batteries - Advantages over Wall Warts
  43. How much does a 300 VA trafo weigh
  44. Any tips on how to include two power supplies safely and efficiently?
  45. How to protect circuits from reverse current flow?
  46. MOSFET body diodes in phase shift smps
  47. Questions
  48. need a smallish 24v 5A power supply ..
  49. When selecting DC connector plugs and sockets how do you make sure they match?
  50. power down
  51. First Power Supply
  52. ARC style regulated psu, tubed
  53. Choosing transformer for desired wattage
  54. Discrete Regulator for VAS and Input Stage
  55. Question about measuring DC output ripple
  56. Protection of variac...
  57. LTspice - problem simulating simple rectifier
  58. Eliminating Battery Charger Noise in DIY Stereo
  59. two-stage soft-start for large toroidals
  60. Help : any tips to get +/-24v from SLA 48v Battery
  61. ground noise
  62. Crown CL2 service schematics needed.
  63. Lets build a POWER CONDITIONER! input needed.
  64. Odd SMPS. Please, can you help me with it?
  65. Tube PS for mic pre help
  66. 12 vdc to 19vdc 5a
  67. series electrolytics....
  68. Marantz 2215b Transformer and personal build
  69. toroidal trafo help
  70. Power supply for T-amp and pre-amp?
  71. Building a "stiff" supply and need some input...
  72. can anyone tell me what this is and where to order a new one?
  73. Need help on Delta 1010 PSU mods
  74. How do i build a 12v power supply ?
  75. First filter cap - Big or Small?
  76. Why voltage dropped in my new transformer?
  77. simple design not working.
  78. Charging 12V SLA with bike dynamo / generator
  79. DAR PLUS E-I transformer dead How to work out voltage?
  80. Adjustable +/- 0-50V 0-5A Power Supply Schematics
  81. Simple (?) Capacitor question
  82. transformer wiring causing brain melt down
  83. Adjustable negative voltage supply
  84. Why does my SMPS show poor regulation?
  85. 80's boomboxes - how did they power the amps?
  86. Power Supply Wiring
  87. Opinions on power supply.
  88. Quick Q - 2 SMPS supplies in parallel
  89. selection of optocoupler.
  90. Help with rectifier circuit
  91. 18V AC+ 12V AC to +/-15V DC??
  92. looking for a high voltage (1kv) transistor
  93. Transformer soft-start with relays
  94. Power supply thoughts...
  95. supply change
  96. power resistor value ohm an watts??
  97. needing some ideas for a radio controlled car re capacitors!!
  98. flyback design issues
  99. Wire diameter in SMPS transformer - confusion
  100. 7915 regulator troubles
  101. need to clear about voltage of diode rectifier for psu
  102. I need a PSU for 6 LM3886's
  103. Connexelectronic a350smps or meanwell usd350?
  104. Transformer wiring to mains
  105. SMPS gate drive - please educate me
  106. Sony f211 intergreated amplifier wont power up
  107. Fast capacitors for SMPS
  108. Simple 78xx replacements
  109. suggestions for a power supply mod
  110. Does a LM317 act like a transformer
  111. transformer rating for a 1000W rms amp
  112. Supply voltage doubler question
  113. psu suggestions for 4 x 300w 4ohm
  114. linn smps powersupply
  115. High frequency SMPS for audio
  116. Major inrush surge problem with Toroid, HELP!
  117. Custom power transformer requirements
  118. Threads for SS High Voltage Power Regulators?
  119. A slightly different question about parallel rectifiers
  120. triac replacing transformer is it possible????????????
  121. Old mini Atx Powersupply
  122. Help with rewinding a transformer
  123. Power supply for my laboratory bench
  124. why sound best??
  125. Velleman 200W amp
  126. non-isolated power supply?
  127. Simple question on reverse polarity protection
  128. 750W inverter
  129. Soft Start again
  130. 12V to 160V@500mA ?
  131. Massive 3000 power supply trouble
  132. possible transformer VA ratings
  133. Help with 0 - 120 V linear DC power supply
  134. Need some help designing an SMPS for a car amp
  135. Need help!
  136. Extreme DIY: Building a homemade nuclear reactor in NYC
  137. Super PSU transformer
  138. smps in seriel for tube power supply
  139. Voltage regulators that work ~50V?
  140. Citation toroid for TT
  141. What's the skinney on using a SMPS for Hi-Fi?
  142. Peak or not peak, that is the question?
  143. Quick question on connecting this power supply
  144. Tranformer size how much is too much?
  145. Help Calculating Voltage after Rectification
  146. 230VAC to 5VDC 2A SMPS power supply design needed.
  147. Need transformer material datasheet
  148. Have 7v ac need 6.3v ac, need simple ideer
  149. PA input voltage simple precision regulator
  150. Help please,need to build a power supply for a car amp for home use
  151. +5V high current low noise regulator?
  152. help with transformer
  153. Power supply for 2 x fosgate P200.2 Amps
  154. SMPS Transformer Cooling
  155. Transformer questions
  156. Tryin to find a transformer
  157. help looking for a space saving isolation transformer for a portable tube amp
  158. (help) behringer mx9000 ps revisited
  159. 2 transformers per channel
  160. Ross Powered Mixer PC-4110MT transformer wiring
  161. The poor man SMPS
  162. Current Transformer: New Idea
  163. capacitor value
  164. Where to buy step-down toroidal transformer with electrostatic shield?
  165. Help need with PS for Idiot
  166. Amp needed for speakers
  167. External power supply / dangerous voltage?
  168. Placing regulator chip close to amplifier
  169. [Newbie] IP317T +1A 18V transformer - How much power?
  170. Externally programmed and adjustable regulated outboard amp power supply
  171. Buck converter using TL494?
  172. Using SMPS
  173. Need to clean up power...
  174. Design choices 12>>40V 100W ETD29 SMPS
  175. Will this work with regulators?
  176. 500W or more
  177. simple ic for 0-100% duty cycle PWM
  178. Push-pull SMPS (12V to +-25V) question
  179. Power supply For TDA2030A
  180. SMPS design for a car amp....not sure which topology to go with
  181. Help for Full Bridge 800W quasi resonant SPM
  182. Just a nice video ...
  183. Two Transformer Balanced Power Unit
  184. Wire Kit for Battery
  185. Modifying Powersupply
  186. How easy is it to replace a transformer in a linear power supply?
  187. Wire DC Power Jack for 9V Battery
  188. choke loaded power supply
  189. Light Bulb Tester
  190. toroidal transformers help
  191. orion 2100 HCCA amplifier
  192. Does this two circuit have the same output?
  193. Toroidal hum/buzz. Modifyed Venus PS-400A
  194. Confusion about star grounding?
  195. Automotive input magamp PSU
  196. Synchronous Rectification
  197. Power supply problem
  198. Connecting 2 bridge rectrifier
  199. half-bridge to full-bridge
  200. Isolated PFC Topology choice, 800W.
  201. Transform computer supply into 400V supply for tubes
  202. Possible to rewire this PSU from 220V to 110V?
  203. Newbie question about transformer?
  204. Solid state rectifier for SE guitar amp (Vox AC4)
  205. Problem with dual tracking power supply
  206. mAh Testing... finding out...
  207. PWM controllers with built in FETs?
  208. the 1.25v of lm317
  209. Use of dual transformer for mono amp
  210. +/- 12v dc PSU Required
  211. 15v Halogen switched mode power supply
  212. RECOMENDATION for 40khz push-pull smps
  213. Linear Power Supplies with Torroidal transformers
  214. does have possibility to build a SMPS flyback 13.8v 50A ?
  215. SMPS flyback, transistor problem
  216. How to connect two secondaries to get a central tap
  217. My 4Kw smps finished
  218. 7ch TDA7294 PSU
  219. Need Schematic for Xantrex 1750 Prowatt Inverter
  220. 2kw inverter charger
  221. torridal designing software
  222. solen vs cerafine
  223. atx power supply inductor operating max. frequency ?
  224. High Speed PCB Layout
  225. Surge on power on causing major headache
  226. transformer for Legend Stage MK2 (65-0-65V)@10A
  227. Can I parallel LT1763 to double the current?
  228. power supply
  229. Shunt regulator using LM317 & LM337
  230. High quality, high voltage (~250V) reservoir caps for PSU
  231. How to drop voltage and current
  232. +/- 28V 3A supply
  233. High current low noise linear regulator?
  234. Psu based on an-1849 note from ni
  235. Advice Needed: PS for STK 463 chip
  236. SMPS nearly finished, not stable
  237. 35khz High Frequency AC Supply (Tube design)
  238. Commodore 64 Floppy Drive Transformer
  239. SMPS input 127Vac, output 13.8VCC / 200A, true or fake ? to see this video:
  240. 35khz High Frequency AC
  241. Thermal Compound Short a SMPS?
  242. Compensating for PS parasitic capacitance
  243. On soft start circuits and safety
  244. 230v 800va toroid on 115vac
  245. Which 24v dc power supply for T amp?
  246. Power transformer amperage
  247. 83mF Capacitor...Tripath smoothing
  248. srpp psu
  249. usb power noise filtering
  250. Question regarding a PFC output cappacitor selection

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