View Full Version : Power Supplies

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

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