View Full Version : Power Supplies

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  1. Tube PS for mic pre help
  2. 12 vdc to 19vdc 5a
  3. series electrolytics....
  4. Marantz 2215b Transformer and personal build
  5. toroidal trafo help
  6. Power supply for T-amp and pre-amp?
  7. Building a "stiff" supply and need some input...
  8. can anyone tell me what this is and where to order a new one?
  9. Need help on Delta 1010 PSU mods
  10. How do i build a 12v power supply ?
  11. First filter cap - Big or Small?
  12. Why voltage dropped in my new transformer?
  13. simple design not working.
  14. Charging 12V SLA with bike dynamo / generator
  15. DAR PLUS E-I transformer dead How to work out voltage?
  16. Adjustable +/- 0-50V 0-5A Power Supply Schematics
  17. Simple (?) Capacitor question
  18. transformer wiring causing brain melt down
  19. Adjustable negative voltage supply
  20. Why does my SMPS show poor regulation?
  21. 80's boomboxes - how did they power the amps?
  22. Power Supply Wiring
  23. Opinions on power supply.
  24. Quick Q - 2 SMPS supplies in parallel
  25. selection of optocoupler.
  26. Help with rectifier circuit
  27. 18V AC+ 12V AC to +/-15V DC??
  28. looking for a high voltage (1kv) transistor
  29. Transformer soft-start with relays
  30. Power supply thoughts...
  31. supply change
  32. power resistor value ohm an watts??
  33. needing some ideas for a radio controlled car re capacitors!!
  34. flyback design issues
  35. Wire diameter in SMPS transformer - confusion
  36. 7915 regulator troubles
  37. need to clear about voltage of diode rectifier for psu
  38. I need a PSU for 6 LM3886's
  39. Connexelectronic a350smps or meanwell usd350?
  40. Transformer wiring to mains
  41. SMPS gate drive - please educate me
  42. Sony f211 intergreated amplifier wont power up
  43. Fast capacitors for SMPS
  44. Simple 78xx replacements
  45. suggestions for a power supply mod
  46. Does a LM317 act like a transformer
  47. transformer rating for a 1000W rms amp
  48. Supply voltage doubler question
  49. psu suggestions for 4 x 300w 4ohm
  50. linn smps powersupply
  51. High frequency SMPS for audio
  52. Major inrush surge problem with Toroid, HELP!
  53. Custom power transformer requirements
  54. Threads for SS High Voltage Power Regulators?
  55. A slightly different question about parallel rectifiers
  56. triac replacing transformer is it possible????????????
  57. Old mini Atx Powersupply
  58. Help with rewinding a transformer
  59. Power supply for my laboratory bench
  60. why sound best??
  61. Velleman 200W amp
  62. non-isolated power supply?
  63. Simple question on reverse polarity protection
  64. 750W inverter
  65. Soft Start again
  66. 12V to 160V@500mA ?
  67. Massive 3000 power supply trouble
  68. possible transformer VA ratings
  69. Help with 0 - 120 V linear DC power supply
  70. Need some help designing an SMPS for a car amp
  71. Need help!
  72. Extreme DIY: Building a homemade nuclear reactor in NYC
  73. Super PSU transformer
  74. smps in seriel for tube power supply
  75. Voltage regulators that work ~50V?
  76. Citation toroid for TT
  77. What's the skinney on using a SMPS for Hi-Fi?
  78. Peak or not peak, that is the question?
  79. Quick question on connecting this power supply
  80. Tranformer size how much is too much?
  81. Help Calculating Voltage after Rectification
  82. 230VAC to 5VDC 2A SMPS power supply design needed.
  83. Need transformer material datasheet
  84. Have 7v ac need 6.3v ac, need simple ideer
  85. PA input voltage simple precision regulator
  86. Help please,need to build a power supply for a car amp for home use
  87. +5V high current low noise regulator?
  88. help with transformer
  89. Power supply for 2 x fosgate P200.2 Amps
  90. SMPS Transformer Cooling
  91. Transformer questions
  92. Tryin to find a transformer
  93. help looking for a space saving isolation transformer for a portable tube amp
  94. (help) behringer mx9000 ps revisited
  95. 2 transformers per channel
  96. Ross Powered Mixer PC-4110MT transformer wiring
  97. The poor man SMPS
  98. Current Transformer: New Idea
  99. capacitor value
  100. Where to buy step-down toroidal transformer with electrostatic shield?
  101. Help need with PS for Idiot
  102. Amp needed for speakers
  103. External power supply / dangerous voltage?
  104. Placing regulator chip close to amplifier
  105. [Newbie] IP317T +1A 18V transformer - How much power?
  106. Externally programmed and adjustable regulated outboard amp power supply
  107. Buck converter using TL494?
  108. Using SMPS
  109. Need to clean up power...
  110. Design choices 12>>40V 100W ETD29 SMPS
  111. Will this work with regulators?
  112. 500W or more
  113. simple ic for 0-100% duty cycle PWM
  114. Push-pull SMPS (12V to +-25V) question
  115. Power supply For TDA2030A
  116. SMPS design for a car amp....not sure which topology to go with
  117. Help for Full Bridge 800W quasi resonant SPM
  118. Just a nice video ...
  119. Two Transformer Balanced Power Unit
  120. Wire Kit for Battery
  121. Modifying Powersupply
  122. How easy is it to replace a transformer in a linear power supply?
  123. Wire DC Power Jack for 9V Battery
  124. choke loaded power supply
  125. Light Bulb Tester
  126. toroidal transformers help
  127. orion 2100 HCCA amplifier
  128. Does this two circuit have the same output?
  129. Toroidal hum/buzz. Modifyed Venus PS-400A
  130. Confusion about star grounding?
  131. Automotive input magamp PSU
  132. Synchronous Rectification
  133. Power supply problem
  134. Connecting 2 bridge rectrifier
  135. half-bridge to full-bridge
  136. Isolated PFC Topology choice, 800W.
  137. Transform computer supply into 400V supply for tubes
  138. Possible to rewire this PSU from 220V to 110V?
  139. Newbie question about transformer?
  140. Solid state rectifier for SE guitar amp (Vox AC4)
  141. Problem with dual tracking power supply
  142. mAh Testing... finding out...
  143. PWM controllers with built in FETs?
  144. the 1.25v of lm317
  145. Use of dual transformer for mono amp
  146. +/- 12v dc PSU Required
  147. 15v Halogen switched mode power supply
  148. RECOMENDATION for 40khz push-pull smps
  149. Linear Power Supplies with Torroidal transformers
  150. does have possibility to build a SMPS flyback 13.8v 50A ?
  151. SMPS flyback, transistor problem
  152. How to connect two secondaries to get a central tap
  153. My 4Kw smps finished
  154. 7ch TDA7294 PSU
  155. Need Schematic for Xantrex 1750 Prowatt Inverter
  156. 2kw inverter charger
  157. torridal designing software
  158. atx power supply inductor operating max. frequency ?
  159. High Speed PCB Layout
  160. Surge on power on causing major headache
  161. transformer for Legend Stage MK2 (65-0-65V)@10A
  162. Can I parallel LT1763 to double the current?
  163. power supply
  164. Shunt regulator using LM317 & LM337
  165. High quality, high voltage (~250V) reservoir caps for PSU
  166. How to drop voltage and current
  167. +/- 28V 3A supply
  168. High current low noise linear regulator?
  169. Psu based on an-1849 note from ni
  170. Advice Needed: PS for STK 463 chip
  171. SMPS nearly finished, not stable
  172. 35khz High Frequency AC Supply (Tube design)
  173. Commodore 64 Floppy Drive Transformer
  174. SMPS input 127Vac, output 13.8VCC / 200A, true or fake ? to see this video:
  175. 35khz High Frequency AC
  176. Thermal Compound Short a SMPS?
  177. Compensating for PS parasitic capacitance
  178. On soft start circuits and safety
  179. 230v 800va toroid on 115vac
  180. Which 24v dc power supply for T amp?
  181. Power transformer amperage
  182. 83mF Capacitor...Tripath smoothing
  183. srpp psu
  184. usb power noise filtering
  185. Question regarding a PFC output cappacitor selection
  186. Phantom power supply
  187. hand made 800VA EI Transformer
  188. no centre tap tranformer only 500va standard
  189. 48v power supply design questions
  190. adding and using secondary windings
  191. New power supply for Logitech Duet
  192. Sine Wave Inverter
  193. 4000VA Toroid Transformer Problem
  194. Quick question about shunt regs and CCS
  195. a free but not working Stabylex 12 VDC power supply to any one
  196. sg3525 spice model needed !
  197. To series connect dual secondary or not?
  198. PWM Controller ICs Choices
  199. use of dc-dc converters in high power amps supply
  200. Bridgeless PFC help
  201. Several psu ground question.
  202. Stable switching speeds for IGBTs in SMPS design
  203. LM4562 decoupling...
  204. Powering multiple opamps - cascaded rails or starred?
  205. Resistor Gate
  206. commercial smps
  207. mains light bulb tester.
  208. "Power On" Led using bleeding resistor. An Issue ?
  209. Need power supply for msb link iii dac
  210. Full bridge Converter Design
  211. Farnell Transformer- cheap 300VA 2*30V
  212. Shorten leads of primaries to connect them in series ?
  213. diy bybee quantum purifiers?
  214. Any schematic for a diy power line sniffer noise Detector ?
  215. meanwell ???
  216. What fuses to use
  217. Piling two toroidal transformers
  218. multiple SMPS
  219. Exodus RFI/DC Filter, any OPINIONS?
  220. How do I know what a transformers VA is?
  221. coupled output inductor in dual smps
  222. Want to make a DIY 19" rack power conditioner. Please help?
  223. zero standby power supply
  224. reliable UK distributor for 2SK170,2SK370
  225. Speed control for syncronous motor
  226. another transfomer question
  227. A-class Preamp PSU
  228. F5 psu layout
  229. Replacing a wall wart with a bigger transformer
  230. Battery Pack Burnout
  231. 7W dissipation in linear reg.= 100degC???
  232. Is Trafco a trusted company in Belgrade?
  233. Toroid xformer hookup question - Antek
  234. Sqeezebox 3 separate powersupplies????
  235. Wiki on Shunt regulation
  236. help with disigning 3 phase AC to DC converter
  237. comining rail to rail and rail to ground decoupling?
  238. Swapping in transformer?
  239. Voltage doubler, tripler or other creative solution?
  240. toroid with single 240v primary on hexateq softstart?
  241. Transformer grounding questions
  242. Do larger caps age better then small ones?
  243. CAPS ! One big or 4 small ?
  244. How to control the cooling fan ... ?
  245. HexFRED and SMPS?
  246. KV PS capacitor options
  247. Need SMPS circuit for LM3886 based audio amp
  248. Soundcraft Folio Schematics
  249. spike problem !
  250. Some questions about transformer

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