View Full Version : Power Supplies

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  1. Synchronous rectifier
  2. Mfg: ReQuest IMC IQ88
  3. Topologia of the fountain ATX seventeam, design of the trafo
  4. soft start help
  5. Commercial Mains Filters - Good or bad idea?
  6. Xfrmr secondary phasing
  7. Need a little help with UPS as inverters
  8. cheap simple way to drop 3-5v
  9. What happens with an output choke on a SMPS
  10. SMPS Core question
  11. Unregulated Power PCB
  12. Problem with tube regulator?
  13. New fan for KEPCO SM-160-1M
  14. dual lm3886 41hz supply?
  15. Inexpensive low profile 50,000 uF 60V caps in PSU
  16. Battery management system - how complicate is it ?
  17. Dual PSU layout - how does this look?
  18. Placing capacitor close to a power transformer
  19. Compare IGBT-losses and MOSFET-losses
  20. How to schematic switching power supply full bridge ?
  21. SLA Batteries - Advantages over Wall Warts
  22. How much does a 300 VA trafo weigh
  23. Any tips on how to include two power supplies safely and efficiently?
  24. How to protect circuits from reverse current flow?
  25. MOSFET body diodes in phase shift smps
  26. Questions
  27. need a smallish 24v 5A power supply ..
  28. When selecting DC connector plugs and sockets how do you make sure they match?
  29. power down
  30. First Power Supply
  31. ARC style regulated psu, tubed
  32. Choosing transformer for desired wattage
  33. Discrete Regulator for VAS and Input Stage
  34. Question about measuring DC output ripple
  35. Protection of variac...
  36. LTspice - problem simulating simple rectifier
  37. Eliminating Battery Charger Noise in DIY Stereo
  38. two-stage soft-start for large toroidals
  39. Help : any tips to get +/-24v from SLA 48v Battery
  40. ground noise
  41. Crown CL2 service schematics needed.
  42. Lets build a POWER CONDITIONER! input needed.
  43. Odd SMPS. Please, can you help me with it?
  44. Tube PS for mic pre help
  45. 12 vdc to 19vdc 5a
  46. series electrolytics....
  47. Marantz 2215b Transformer and personal build
  48. toroidal trafo help
  49. Power supply for T-amp and pre-amp?
  50. Building a "stiff" supply and need some input...
  51. can anyone tell me what this is and where to order a new one?
  52. Need help on Delta 1010 PSU mods
  53. How do i build a 12v power supply ?
  54. First filter cap - Big or Small?
  55. Why voltage dropped in my new transformer?
  56. simple design not working.
  57. Charging 12V SLA with bike dynamo / generator
  58. DAR PLUS E-I transformer dead How to work out voltage?
  59. Adjustable +/- 0-50V 0-5A Power Supply Schematics
  60. Simple (?) Capacitor question
  61. transformer wiring causing brain melt down
  62. Adjustable negative voltage supply
  63. Why does my SMPS show poor regulation?
  64. 80's boomboxes - how did they power the amps?
  65. Power Supply Wiring
  66. Opinions on power supply.
  67. Quick Q - 2 SMPS supplies in parallel
  68. selection of optocoupler.
  69. Help with rectifier circuit
  70. 18V AC+ 12V AC to +/-15V DC??
  71. looking for a high voltage (1kv) transistor
  72. Transformer soft-start with relays
  73. Power supply thoughts...
  74. supply change
  75. power resistor value ohm an watts??
  76. needing some ideas for a radio controlled car re capacitors!!
  77. flyback design issues
  78. Wire diameter in SMPS transformer - confusion
  79. 7915 regulator troubles
  80. need to clear about voltage of diode rectifier for psu
  81. I need a PSU for 6 LM3886's
  82. Connexelectronic a350smps or meanwell usd350?
  83. Transformer wiring to mains
  84. SMPS gate drive - please educate me
  85. Sony f211 intergreated amplifier wont power up
  86. Fast capacitors for SMPS
  87. Simple 78xx replacements
  88. suggestions for a power supply mod
  89. Does a LM317 act like a transformer
  90. transformer rating for a 1000W rms amp
  91. Supply voltage doubler question
  92. psu suggestions for 4 x 300w 4ohm
  93. linn smps powersupply
  94. High frequency SMPS for audio
  95. Major inrush surge problem with Toroid, HELP!
  96. Custom power transformer requirements
  97. Threads for SS High Voltage Power Regulators?
  98. A slightly different question about parallel rectifiers
  99. triac replacing transformer is it possible????????????
  100. Old mini Atx Powersupply
  101. Help with rewinding a transformer
  102. Power supply for my laboratory bench
  103. why sound best??
  104. Velleman 200W amp
  105. non-isolated power supply?
  106. Simple question on reverse polarity protection
  107. 750W inverter
  108. Soft Start again
  109. 12V to 160V@500mA ?
  110. Massive 3000 power supply trouble
  111. possible transformer VA ratings
  112. Help with 0 - 120 V linear DC power supply
  113. Need some help designing an SMPS for a car amp
  114. Need help!
  115. Extreme DIY: Building a homemade nuclear reactor in NYC
  116. Super PSU transformer
  117. smps in seriel for tube power supply
  118. Voltage regulators that work ~50V?
  119. Citation toroid for TT
  120. What's the skinney on using a SMPS for Hi-Fi?
  121. Peak or not peak, that is the question?
  122. Quick question on connecting this power supply
  123. Tranformer size how much is too much?
  124. Help Calculating Voltage after Rectification
  125. 230VAC to 5VDC 2A SMPS power supply design needed.
  126. Need transformer material datasheet
  127. Have 7v ac need 6.3v ac, need simple ideer
  128. PA input voltage simple precision regulator
  129. Help please,need to build a power supply for a car amp for home use
  130. +5V high current low noise regulator?
  131. help with transformer
  132. Power supply for 2 x fosgate P200.2 Amps
  133. SMPS Transformer Cooling
  134. Transformer questions
  135. Tryin to find a transformer
  136. help looking for a space saving isolation transformer for a portable tube amp
  137. (help) behringer mx9000 ps revisited
  138. 2 transformers per channel
  139. Ross Powered Mixer PC-4110MT transformer wiring
  140. The poor man SMPS
  141. Current Transformer: New Idea
  142. capacitor value
  143. Where to buy step-down toroidal transformer with electrostatic shield?
  144. Help need with PS for Idiot
  145. Amp needed for speakers
  146. External power supply / dangerous voltage?
  147. Placing regulator chip close to amplifier
  148. [Newbie] IP317T +1A 18V transformer - How much power?
  149. Externally programmed and adjustable regulated outboard amp power supply
  150. Buck converter using TL494?
  151. Using SMPS
  152. Need to clean up power...
  153. Design choices 12>>40V 100W ETD29 SMPS
  154. Will this work with regulators?
  155. 500W or more
  156. simple ic for 0-100% duty cycle PWM
  157. Push-pull SMPS (12V to +-25V) question
  158. Power supply For TDA2030A
  159. SMPS design for a car amp....not sure which topology to go with
  160. Help for Full Bridge 800W quasi resonant SPM
  161. Just a nice video ...
  162. Two Transformer Balanced Power Unit
  163. Wire Kit for Battery
  164. Modifying Powersupply
  165. How easy is it to replace a transformer in a linear power supply?
  166. Wire DC Power Jack for 9V Battery
  167. choke loaded power supply
  168. Light Bulb Tester
  169. toroidal transformers help
  170. orion 2100 HCCA amplifier
  171. Does this two circuit have the same output?
  172. Toroidal hum/buzz. Modifyed Venus PS-400A
  173. Confusion about star grounding?
  174. Automotive input magamp PSU
  175. Synchronous Rectification
  176. Power supply problem
  177. Connecting 2 bridge rectrifier
  178. half-bridge to full-bridge
  179. Isolated PFC Topology choice, 800W.
  180. Transform computer supply into 400V supply for tubes
  181. Possible to rewire this PSU from 220V to 110V?
  182. Newbie question about transformer?
  183. Solid state rectifier for SE guitar amp (Vox AC4)
  184. Problem with dual tracking power supply
  185. mAh Testing... finding out...
  186. PWM controllers with built in FETs?
  187. the 1.25v of lm317
  188. Use of dual transformer for mono amp
  189. +/- 12v dc PSU Required
  190. 15v Halogen switched mode power supply
  191. RECOMENDATION for 40khz push-pull smps
  192. Linear Power Supplies with Torroidal transformers
  193. does have possibility to build a SMPS flyback 13.8v 50A ?
  194. SMPS flyback, transistor problem
  195. How to connect two secondaries to get a central tap
  196. My 4Kw smps finished
  197. 7ch TDA7294 PSU
  198. Need Schematic for Xantrex 1750 Prowatt Inverter
  199. 2kw inverter charger
  200. torridal designing software
  201. solen vs cerafine
  202. atx power supply inductor operating max. frequency ?
  203. High Speed PCB Layout
  204. Surge on power on causing major headache
  205. transformer for Legend Stage MK2 (65-0-65V)@10A
  206. Can I parallel LT1763 to double the current?
  207. power supply
  208. Shunt regulator using LM317 & LM337
  209. High quality, high voltage (~250V) reservoir caps for PSU
  210. How to drop voltage and current
  211. +/- 28V 3A supply
  212. High current low noise linear regulator?
  213. Psu based on an-1849 note from ni
  214. Advice Needed: PS for STK 463 chip
  215. SMPS nearly finished, not stable
  216. 35khz High Frequency AC Supply (Tube design)
  217. Commodore 64 Floppy Drive Transformer
  218. SMPS input 127Vac, output 13.8VCC / 200A, true or fake ? to see this video:
  219. 35khz High Frequency AC
  220. Thermal Compound Short a SMPS?
  221. Compensating for PS parasitic capacitance
  222. On soft start circuits and safety
  223. 230v 800va toroid on 115vac
  224. Which 24v dc power supply for T amp?
  225. Power transformer amperage
  226. 83mF Capacitor...Tripath smoothing
  227. srpp psu
  228. usb power noise filtering
  229. Question regarding a PFC output cappacitor selection
  230. Phantom power supply
  231. hand made 800VA EI Transformer
  232. no centre tap tranformer only 500va standard
  233. 48v power supply design questions
  234. adding and using secondary windings
  235. New power supply for Logitech Duet
  236. Sine Wave Inverter
  237. 4000VA Toroid Transformer Problem
  238. Quick question about shunt regs and CCS
  239. a free but not working Stabylex 12 VDC power supply to any one
  240. sg3525 spice model needed !
  241. To series connect dual secondary or not?
  242. PWM Controller ICs Choices
  243. use of dc-dc converters in high power amps supply
  244. Bridgeless PFC help
  245. Several psu ground question.
  246. Stable switching speeds for IGBTs in SMPS design
  247. LM4562 decoupling...
  248. Powering multiple opamps - cascaded rails or starred?
  249. Resistor Gate
  250. commercial smps

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