View Full Version : Power Supplies

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  1. very simple question
  2. TL431 comparison
  3. LM337 and AN-181
  4. Help connecting power wires in Amp Head
  5. Need to knock a few volts off..!
  6. Is it worth potting the transformer and PSU caps of my Firstwatt f2
  7. Monster Cable HTS 5100mkii
  8. Adjusting a SMPS output
  9. Hypex SMPS - 12V Trigger (25mA)
  10. Scored preamp power supply, want opinions
  11. Batteries for power amps?
  12. Low-noise mains power for my device?
  13. 0 to 100V digitally controlled supply
  14. Question Regarding Soft-Start
  15. 35+35 800w smps
  16. 0ne 100uF cap or ten 10uF caps (or two 200uF caps...etc)
  17. Computer power supply
  18. Simple Xformer+R (oh, mysterious R!) question
  19. Using PC PSU for Sure 4x100 amp board
  20. quasi variac controlled wallwart
  21. preamp supply LOW power LOW noise LOW cost
  22. how do i convert 220VAC to 220VDC?
  23. Snubbing power switch properly
  24. Synchronous rectifier
  25. Mfg: ReQuest IMC IQ88
  26. Topologia of the fountain ATX seventeam, design of the trafo
  27. soft start help
  28. Commercial Mains Filters - Good or bad idea?
  29. Xfrmr secondary phasing
  30. Need a little help with UPS as inverters
  31. cheap simple way to drop 3-5v
  32. What happens with an output choke on a SMPS
  33. SMPS Core question
  34. Unregulated Power PCB
  35. Problem with tube regulator?
  36. New fan for KEPCO SM-160-1M
  37. dual lm3886 41hz supply?
  38. Inexpensive low profile 50,000 uF 60V caps in PSU
  39. Battery management system - how complicate is it ?
  40. Dual PSU layout - how does this look?
  41. Placing capacitor close to a power transformer
  42. Compare IGBT-losses and MOSFET-losses
  43. How to schematic switching power supply full bridge ?
  44. SLA Batteries - Advantages over Wall Warts
  45. How much does a 300 VA trafo weigh
  46. Any tips on how to include two power supplies safely and efficiently?
  47. How to protect circuits from reverse current flow?
  48. MOSFET body diodes in phase shift smps
  49. Questions
  50. need a smallish 24v 5A power supply ..
  51. When selecting DC connector plugs and sockets how do you make sure they match?
  52. power down
  53. First Power Supply
  54. ARC style regulated psu, tubed
  55. Choosing transformer for desired wattage
  56. Discrete Regulator for VAS and Input Stage
  57. Question about measuring DC output ripple
  58. Protection of variac...
  59. LTspice - problem simulating simple rectifier
  60. Eliminating Battery Charger Noise in DIY Stereo
  61. two-stage soft-start for large toroidals
  62. Help : any tips to get +/-24v from SLA 48v Battery
  63. ground noise
  64. Crown CL2 service schematics needed.
  65. Lets build a POWER CONDITIONER! input needed.
  66. Odd SMPS. Please, can you help me with it?
  67. Tube PS for mic pre help
  68. 12 vdc to 19vdc 5a
  69. series electrolytics....
  70. Marantz 2215b Transformer and personal build
  71. toroidal trafo help
  72. Power supply for T-amp and pre-amp?
  73. Building a "stiff" supply and need some input...
  74. can anyone tell me what this is and where to order a new one?
  75. Need help on Delta 1010 PSU mods
  76. How do i build a 12v power supply ?
  77. First filter cap - Big or Small?
  78. Why voltage dropped in my new transformer?
  79. simple design not working.
  80. Charging 12V SLA with bike dynamo / generator
  81. DAR PLUS E-I transformer dead How to work out voltage?
  82. Adjustable +/- 0-50V 0-5A Power Supply Schematics
  83. Simple (?) Capacitor question
  84. transformer wiring causing brain melt down
  85. Adjustable negative voltage supply
  86. Why does my SMPS show poor regulation?
  87. 80's boomboxes - how did they power the amps?
  88. Power Supply Wiring
  89. Opinions on power supply.
  90. Quick Q - 2 SMPS supplies in parallel
  91. selection of optocoupler.
  92. Help with rectifier circuit
  93. 18V AC+ 12V AC to +/-15V DC??
  94. looking for a high voltage (1kv) transistor
  95. Transformer soft-start with relays
  96. Power supply thoughts...
  97. supply change
  98. power resistor value ohm an watts??
  99. needing some ideas for a radio controlled car re capacitors!!
  100. flyback design issues
  101. Wire diameter in SMPS transformer - confusion
  102. 7915 regulator troubles
  103. need to clear about voltage of diode rectifier for psu
  104. I need a PSU for 6 LM3886's
  105. Connexelectronic a350smps or meanwell usd350?
  106. Transformer wiring to mains
  107. SMPS gate drive - please educate me
  108. Sony f211 intergreated amplifier wont power up
  109. Fast capacitors for SMPS
  110. Simple 78xx replacements
  111. suggestions for a power supply mod
  112. Does a LM317 act like a transformer
  113. transformer rating for a 1000W rms amp
  114. Supply voltage doubler question
  115. psu suggestions for 4 x 300w 4ohm
  116. linn smps powersupply
  117. High frequency SMPS for audio
  118. Major inrush surge problem with Toroid, HELP!
  119. Custom power transformer requirements
  120. Threads for SS High Voltage Power Regulators?
  121. A slightly different question about parallel rectifiers
  122. triac replacing transformer is it possible????????????
  123. Old mini Atx Powersupply
  124. Help with rewinding a transformer
  125. Power supply for my laboratory bench
  126. why sound best??
  127. Velleman 200W amp
  128. non-isolated power supply?
  129. Simple question on reverse polarity protection
  130. 750W inverter
  131. Soft Start again
  132. 12V to 160V@500mA ?
  133. Massive 3000 power supply trouble
  134. possible transformer VA ratings
  135. Help with 0 - 120 V linear DC power supply
  136. Need some help designing an SMPS for a car amp
  137. Need help!
  138. Extreme DIY: Building a homemade nuclear reactor in NYC
  139. Super PSU transformer
  140. smps in seriel for tube power supply
  141. Voltage regulators that work ~50V?
  142. Citation toroid for TT
  143. What's the skinney on using a SMPS for Hi-Fi?
  144. Peak or not peak, that is the question?
  145. Quick question on connecting this power supply
  146. Tranformer size how much is too much?
  147. Help Calculating Voltage after Rectification
  148. 230VAC to 5VDC 2A SMPS power supply design needed.
  149. Need transformer material datasheet
  150. Have 7v ac need 6.3v ac, need simple ideer
  151. PA input voltage simple precision regulator
  152. Help please,need to build a power supply for a car amp for home use
  153. +5V high current low noise regulator?
  154. help with transformer
  155. Power supply for 2 x fosgate P200.2 Amps
  156. SMPS Transformer Cooling
  157. Transformer questions
  158. Tryin to find a transformer
  159. help looking for a space saving isolation transformer for a portable tube amp
  160. (help) behringer mx9000 ps revisited
  161. 2 transformers per channel
  162. Ross Powered Mixer PC-4110MT transformer wiring
  163. The poor man SMPS
  164. Current Transformer: New Idea
  165. capacitor value
  166. Where to buy step-down toroidal transformer with electrostatic shield?
  167. Help need with PS for Idiot
  168. Amp needed for speakers
  169. External power supply / dangerous voltage?
  170. Placing regulator chip close to amplifier
  171. [Newbie] IP317T +1A 18V transformer - How much power?
  172. Externally programmed and adjustable regulated outboard amp power supply
  173. Buck converter using TL494?
  174. Using SMPS
  175. Need to clean up power...
  176. Design choices 12>>40V 100W ETD29 SMPS
  177. Will this work with regulators?
  178. 500W or more
  179. simple ic for 0-100% duty cycle PWM
  180. Push-pull SMPS (12V to +-25V) question
  181. Power supply For TDA2030A
  182. SMPS design for a car amp....not sure which topology to go with
  183. Help for Full Bridge 800W quasi resonant SPM
  184. Just a nice video ...
  185. Two Transformer Balanced Power Unit
  186. Wire Kit for Battery
  187. Modifying Powersupply
  188. How easy is it to replace a transformer in a linear power supply?
  189. Wire DC Power Jack for 9V Battery
  190. choke loaded power supply
  191. Light Bulb Tester
  192. toroidal transformers help
  193. orion 2100 HCCA amplifier
  194. Does this two circuit have the same output?
  195. Toroidal hum/buzz. Modifyed Venus PS-400A
  196. Confusion about star grounding?
  197. Automotive input magamp PSU
  198. Synchronous Rectification
  199. Power supply problem
  200. Connecting 2 bridge rectrifier
  201. half-bridge to full-bridge
  202. Isolated PFC Topology choice, 800W.
  203. Transform computer supply into 400V supply for tubes
  204. Possible to rewire this PSU from 220V to 110V?
  205. Newbie question about transformer?
  206. Solid state rectifier for SE guitar amp (Vox AC4)
  207. Problem with dual tracking power supply
  208. mAh Testing... finding out...
  209. PWM controllers with built in FETs?
  210. the 1.25v of lm317
  211. Use of dual transformer for mono amp
  212. +/- 12v dc PSU Required
  213. 15v Halogen switched mode power supply
  214. RECOMENDATION for 40khz push-pull smps
  215. Linear Power Supplies with Torroidal transformers
  216. does have possibility to build a SMPS flyback 13.8v 50A ?
  217. SMPS flyback, transistor problem
  218. How to connect two secondaries to get a central tap
  219. My 4Kw smps finished
  220. 7ch TDA7294 PSU
  221. Need Schematic for Xantrex 1750 Prowatt Inverter
  222. 2kw inverter charger
  223. torridal designing software
  224. solen vs cerafine
  225. atx power supply inductor operating max. frequency ?
  226. High Speed PCB Layout
  227. Surge on power on causing major headache
  228. transformer for Legend Stage MK2 (65-0-65V)@10A
  229. Can I parallel LT1763 to double the current?
  230. power supply
  231. Shunt regulator using LM317 & LM337
  232. High quality, high voltage (~250V) reservoir caps for PSU
  233. How to drop voltage and current
  234. +/- 28V 3A supply
  235. High current low noise linear regulator?
  236. Psu based on an-1849 note from ni
  237. Advice Needed: PS for STK 463 chip
  238. SMPS nearly finished, not stable
  239. 35khz High Frequency AC Supply (Tube design)
  240. Commodore 64 Floppy Drive Transformer
  241. SMPS input 127Vac, output 13.8VCC / 200A, true or fake ? to see this video:
  242. 35khz High Frequency AC
  243. Thermal Compound Short a SMPS?
  244. Compensating for PS parasitic capacitance
  245. On soft start circuits and safety
  246. 230v 800va toroid on 115vac
  247. Which 24v dc power supply for T amp?
  248. Power transformer amperage
  249. 83mF Capacitor...Tripath smoothing
  250. srpp psu

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