View Full Version : Power Supplies

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  1. Power Supply Wiring
  2. Opinions on power supply.
  3. Quick Q - 2 SMPS supplies in parallel
  4. selection of optocoupler.
  5. Help with rectifier circuit
  6. 18V AC+ 12V AC to +/-15V DC??
  7. looking for a high voltage (1kv) transistor
  8. Transformer soft-start with relays
  9. Power supply thoughts...
  10. supply change
  11. power resistor value ohm an watts??
  12. needing some ideas for a radio controlled car re capacitors!!
  13. flyback design issues
  14. Wire diameter in SMPS transformer - confusion
  15. 7915 regulator troubles
  16. need to clear about voltage of diode rectifier for psu
  17. I need a PSU for 6 LM3886's
  18. Connexelectronic a350smps or meanwell usd350?
  19. Transformer wiring to mains
  20. SMPS gate drive - please educate me
  21. Sony f211 intergreated amplifier wont power up
  22. Fast capacitors for SMPS
  23. Simple 78xx replacements
  24. suggestions for a power supply mod
  25. Does a LM317 act like a transformer
  26. transformer rating for a 1000W rms amp
  27. Supply voltage doubler question
  28. psu suggestions for 4 x 300w 4ohm
  29. linn smps powersupply
  30. High frequency SMPS for audio
  31. Major inrush surge problem with Toroid, HELP!
  32. Custom power transformer requirements
  33. Threads for SS High Voltage Power Regulators?
  34. A slightly different question about parallel rectifiers
  35. triac replacing transformer is it possible????????????
  36. Old mini Atx Powersupply
  37. Help with rewinding a transformer
  38. Power supply for my laboratory bench
  39. why sound best??
  40. Velleman 200W amp
  41. non-isolated power supply?
  42. Simple question on reverse polarity protection
  43. 750W inverter
  44. Soft Start again
  45. 12V to 160V@500mA ?
  46. Massive 3000 power supply trouble
  47. possible transformer VA ratings
  48. Help with 0 - 120 V linear DC power supply
  49. Need some help designing an SMPS for a car amp
  50. Need help!
  51. Extreme DIY: Building a homemade nuclear reactor in NYC
  52. Super PSU transformer
  53. smps in seriel for tube power supply
  54. Voltage regulators that work ~50V?
  55. Citation toroid for TT
  56. What's the skinney on using a SMPS for Hi-Fi?
  57. Peak or not peak, that is the question?
  58. Quick question on connecting this power supply
  59. Tranformer size how much is too much?
  60. Help Calculating Voltage after Rectification
  61. 230VAC to 5VDC 2A SMPS power supply design needed.
  62. Need transformer material datasheet
  63. Have 7v ac need 6.3v ac, need simple ideer
  64. PA input voltage simple precision regulator
  65. Help please,need to build a power supply for a car amp for home use
  66. +5V high current low noise regulator?
  67. help with transformer
  68. Power supply for 2 x fosgate P200.2 Amps
  69. SMPS Transformer Cooling
  70. Transformer questions
  71. Tryin to find a transformer
  72. help looking for a space saving isolation transformer for a portable tube amp
  73. (help) behringer mx9000 ps revisited
  74. 2 transformers per channel
  75. Ross Powered Mixer PC-4110MT transformer wiring
  76. The poor man SMPS
  77. Current Transformer: New Idea
  78. capacitor value
  79. Where to buy step-down toroidal transformer with electrostatic shield?
  80. Help need with PS for Idiot
  81. Amp needed for speakers
  82. External power supply / dangerous voltage?
  83. Placing regulator chip close to amplifier
  84. [Newbie] IP317T +1A 18V transformer - How much power?
  85. Externally programmed and adjustable regulated outboard amp power supply
  86. Buck converter using TL494?
  87. Using SMPS
  88. Need to clean up power...
  89. Design choices 12>>40V 100W ETD29 SMPS
  90. Will this work with regulators?
  91. 500W or more
  92. simple ic for 0-100% duty cycle PWM
  93. Push-pull SMPS (12V to +-25V) question
  94. Power supply For TDA2030A
  95. SMPS design for a car amp....not sure which topology to go with
  96. Help for Full Bridge 800W quasi resonant SPM
  97. Just a nice video ...
  98. Two Transformer Balanced Power Unit
  99. Wire Kit for Battery
  100. Modifying Powersupply
  101. How easy is it to replace a transformer in a linear power supply?
  102. Wire DC Power Jack for 9V Battery
  103. choke loaded power supply
  104. Light Bulb Tester
  105. toroidal transformers help
  106. orion 2100 HCCA amplifier
  107. Does this two circuit have the same output?
  108. Toroidal hum/buzz. Modifyed Venus PS-400A
  109. Confusion about star grounding?
  110. Automotive input magamp PSU
  111. Synchronous Rectification
  112. Power supply problem
  113. Connecting 2 bridge rectrifier
  114. half-bridge to full-bridge
  115. Isolated PFC Topology choice, 800W.
  116. Transform computer supply into 400V supply for tubes
  117. Possible to rewire this PSU from 220V to 110V?
  118. Newbie question about transformer?
  119. Solid state rectifier for SE guitar amp (Vox AC4)
  120. Problem with dual tracking power supply
  121. mAh Testing... finding out...
  122. PWM controllers with built in FETs?
  123. the 1.25v of lm317
  124. Use of dual transformer for mono amp
  125. +/- 12v dc PSU Required
  126. 15v Halogen switched mode power supply
  127. RECOMENDATION for 40khz push-pull smps
  128. Linear Power Supplies with Torroidal transformers
  129. does have possibility to build a SMPS flyback 13.8v 50A ?
  130. SMPS flyback, transistor problem
  131. How to connect two secondaries to get a central tap
  132. My 4Kw smps finished
  133. 7ch TDA7294 PSU
  134. Need Schematic for Xantrex 1750 Prowatt Inverter
  135. 2kw inverter charger
  136. torridal designing software
  137. solen vs cerafine
  138. atx power supply inductor operating max. frequency ?
  139. High Speed PCB Layout
  140. Surge on power on causing major headache
  141. transformer for Legend Stage MK2 (65-0-65V)@10A
  142. Can I parallel LT1763 to double the current?
  143. power supply
  144. Shunt regulator using LM317 & LM337
  145. High quality, high voltage (~250V) reservoir caps for PSU
  146. How to drop voltage and current
  147. +/- 28V 3A supply
  148. High current low noise linear regulator?
  149. Psu based on an-1849 note from ni
  150. Advice Needed: PS for STK 463 chip
  151. SMPS nearly finished, not stable
  152. 35khz High Frequency AC Supply (Tube design)
  153. Commodore 64 Floppy Drive Transformer
  154. SMPS input 127Vac, output 13.8VCC / 200A, true or fake ? to see this video:
  155. 35khz High Frequency AC
  156. Thermal Compound Short a SMPS?
  157. Compensating for PS parasitic capacitance
  158. On soft start circuits and safety
  159. 230v 800va toroid on 115vac
  160. Which 24v dc power supply for T amp?
  161. Power transformer amperage
  162. 83mF Capacitor...Tripath smoothing
  163. srpp psu
  164. usb power noise filtering
  165. Question regarding a PFC output cappacitor selection
  166. Phantom power supply
  167. hand made 800VA EI Transformer
  168. no centre tap tranformer only 500va standard
  169. 48v power supply design questions
  170. adding and using secondary windings
  171. New power supply for Logitech Duet
  172. Sine Wave Inverter
  173. 4000VA Toroid Transformer Problem
  174. Quick question about shunt regs and CCS
  175. a free but not working Stabylex 12 VDC power supply to any one
  176. sg3525 spice model needed !
  177. To series connect dual secondary or not?
  178. PWM Controller ICs Choices
  179. use of dc-dc converters in high power amps supply
  180. Bridgeless PFC help
  181. Several psu ground question.
  182. Stable switching speeds for IGBTs in SMPS design
  183. LM4562 decoupling...
  184. Powering multiple opamps - cascaded rails or starred?
  185. Resistor Gate
  186. commercial smps
  187. mains light bulb tester.
  188. "Power On" Led using bleeding resistor. An Issue ?
  189. Need power supply for msb link iii dac
  190. Full bridge Converter Design
  191. Farnell Transformer- cheap 300VA 2*30V
  192. Shorten leads of primaries to connect them in series ?
  193. diy bybee quantum purifiers?
  194. Any schematic for a diy power line sniffer noise Detector ?
  195. meanwell ???
  196. What fuses to use
  197. Piling two toroidal transformers
  198. multiple SMPS
  199. Exodus RFI/DC Filter, any OPINIONS?
  200. How do I know what a transformers VA is?
  201. coupled output inductor in dual smps
  202. Want to make a DIY 19" rack power conditioner. Please help?
  203. zero standby power supply
  204. reliable UK distributor for 2SK170,2SK370
  205. Speed control for syncronous motor
  206. another transfomer question
  207. A-class Preamp PSU
  208. F5 psu layout
  209. Replacing a wall wart with a bigger transformer
  210. Battery Pack Burnout
  211. 7W dissipation in linear reg.= 100degC???
  212. Is Trafco a trusted company in Belgrade?
  213. Toroid xformer hookup question - Antek
  214. Sqeezebox 3 separate powersupplies????
  215. Wiki on Shunt regulation
  216. help with disigning 3 phase AC to DC converter
  217. comining rail to rail and rail to ground decoupling?
  218. Swapping in transformer?
  219. Voltage doubler, tripler or other creative solution?
  220. toroid with single 240v primary on hexateq softstart?
  221. Transformer grounding questions
  222. Do larger caps age better then small ones?
  223. CAPS ! One big or 4 small ?
  224. How to control the cooling fan ... ?
  225. HexFRED and SMPS?
  226. KV PS capacitor options
  227. Need SMPS circuit for LM3886 based audio amp
  228. Soundcraft Folio Schematics
  229. spike problem !
  230. Some questions about transformer
  231. Preamp Power Supply Question
  232. Air-Core Transformers with applications in Tesla Coil design
  233. HF Trafo Core Selection
  234. VA, how do you size?
  235. supply question
  236. Power Resistor Question
  237. Amplifier PSU design needed
  238. transformer question
  239. Can you do this?
  240. LM317 and LM337 regulators
  241. Make Amp PSU From Salvaged Parts
  242. Help designing a psu pcb - fuses where?
  243. Transformers?
  244. how warm should a transformer be?
  245. Are Hammond 2-300 series ratings misleading?
  246. Is it hard to build a voltage step up converter?
  247. LC Audio low noise DC power supply
  248. Mains filter
  249. aussie av1000
  250. aussie av1000

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