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

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