View Full Version : Power Supplies

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  1. Isolated PFC Topology choice, 800W.
  2. Transform computer supply into 400V supply for tubes
  3. Possible to rewire this PSU from 220V to 110V?
  4. Newbie question about transformer?
  5. Solid state rectifier for SE guitar amp (Vox AC4)
  6. Problem with dual tracking power supply
  7. mAh Testing... finding out...
  8. PWM controllers with built in FETs?
  9. the 1.25v of lm317
  10. Use of dual transformer for mono amp
  11. +/- 12v dc PSU Required
  12. 15v Halogen switched mode power supply
  13. RECOMENDATION for 40khz push-pull smps
  14. Linear Power Supplies with Torroidal transformers
  15. does have possibility to build a SMPS flyback 13.8v 50A ?
  16. SMPS flyback, transistor problem
  17. How to connect two secondaries to get a central tap
  18. My 4Kw smps finished
  19. 7ch TDA7294 PSU
  20. Need Schematic for Xantrex 1750 Prowatt Inverter
  21. 2kw inverter charger
  22. torridal designing software
  23. solen vs cerafine
  24. atx power supply inductor operating max. frequency ?
  25. High Speed PCB Layout
  26. Surge on power on causing major headache
  27. transformer for Legend Stage MK2 (65-0-65V)@10A
  28. Can I parallel LT1763 to double the current?
  29. power supply
  30. Shunt regulator using LM317 & LM337
  31. High quality, high voltage (~250V) reservoir caps for PSU
  32. How to drop voltage and current
  33. +/- 28V 3A supply
  34. High current low noise linear regulator?
  35. Psu based on an-1849 note from ni
  36. Advice Needed: PS for STK 463 chip
  37. SMPS nearly finished, not stable
  38. 35khz High Frequency AC Supply (Tube design)
  39. Commodore 64 Floppy Drive Transformer
  40. SMPS input 127Vac, output 13.8VCC / 200A, true or fake ? to see this video:
  41. 35khz High Frequency AC
  42. Thermal Compound Short a SMPS?
  43. Compensating for PS parasitic capacitance
  44. On soft start circuits and safety
  45. 230v 800va toroid on 115vac
  46. Which 24v dc power supply for T amp?
  47. Power transformer amperage
  48. 83mF Capacitor...Tripath smoothing
  49. srpp psu
  50. usb power noise filtering
  51. Question regarding a PFC output cappacitor selection
  52. Phantom power supply
  53. hand made 800VA EI Transformer
  54. no centre tap tranformer only 500va standard
  55. 48v power supply design questions
  56. adding and using secondary windings
  57. New power supply for Logitech Duet
  58. Sine Wave Inverter
  59. 4000VA Toroid Transformer Problem
  60. Quick question about shunt regs and CCS
  61. a free but not working Stabylex 12 VDC power supply to any one
  62. sg3525 spice model needed !
  63. To series connect dual secondary or not?
  64. PWM Controller ICs Choices
  65. use of dc-dc converters in high power amps supply
  66. Bridgeless PFC help
  67. Several psu ground question.
  68. Stable switching speeds for IGBTs in SMPS design
  69. LM4562 decoupling...
  70. Powering multiple opamps - cascaded rails or starred?
  71. Resistor Gate
  72. commercial smps
  73. mains light bulb tester.
  74. "Power On" Led using bleeding resistor. An Issue ?
  75. Need power supply for msb link iii dac
  76. Full bridge Converter Design
  77. Farnell Transformer- cheap 300VA 2*30V
  78. Shorten leads of primaries to connect them in series ?
  79. diy bybee quantum purifiers?
  80. Any schematic for a diy power line sniffer noise Detector ?
  81. meanwell ???
  82. What fuses to use
  83. Piling two toroidal transformers
  84. multiple SMPS
  85. Exodus RFI/DC Filter, any OPINIONS?
  86. How do I know what a transformers VA is?
  87. coupled output inductor in dual smps
  88. Want to make a DIY 19" rack power conditioner. Please help?
  89. zero standby power supply
  90. reliable UK distributor for 2SK170,2SK370
  91. Speed control for syncronous motor
  92. another transfomer question
  93. A-class Preamp PSU
  94. F5 psu layout
  95. Replacing a wall wart with a bigger transformer
  96. Battery Pack Burnout
  97. 7W dissipation in linear reg.= 100degC???
  98. Is Trafco a trusted company in Belgrade?
  99. Toroid xformer hookup question - Antek
  100. Sqeezebox 3 separate powersupplies????
  101. Wiki on Shunt regulation
  102. help with disigning 3 phase AC to DC converter
  103. comining rail to rail and rail to ground decoupling?
  104. Swapping in transformer?
  105. Voltage doubler, tripler or other creative solution?
  106. toroid with single 240v primary on hexateq softstart?
  107. Transformer grounding questions
  108. Do larger caps age better then small ones?
  109. CAPS ! One big or 4 small ?
  110. How to control the cooling fan ... ?
  111. HexFRED and SMPS?
  112. KV PS capacitor options
  113. Need SMPS circuit for LM3886 based audio amp
  114. Soundcraft Folio Schematics
  115. spike problem !
  116. Some questions about transformer
  117. Preamp Power Supply Question
  118. Air-Core Transformers with applications in Tesla Coil design
  119. HF Trafo Core Selection
  120. VA, how do you size?
  121. supply question
  122. Power Resistor Question
  123. Amplifier PSU design needed
  124. transformer question
  125. Can you do this?
  126. LM317 and LM337 regulators
  127. Make Amp PSU From Salvaged Parts
  128. Help designing a psu pcb - fuses where?
  129. Transformers?
  130. how warm should a transformer be?
  131. Are Hammond 2-300 series ratings misleading?
  132. Is it hard to build a voltage step up converter?
  133. LC Audio low noise DC power supply
  134. Mains filter
  135. aussie av1000
  136. aussie av1000
  137. Digital Safe Soft start unit
  138. help me i need a linear regulated power supply for my amp
  139. Turntable Motor Power supply
  140. LM350 regulator problem
  141. Behringer sps 600
  142. Dual caps for S.S. PS filtering
  143. Help - dead power supply in assemblage dac
  144. Using 220v transformer with 110v mains
  145. core sources
  146. Are this capacitors good for my aleph 2 psu?
  147. Anyone have experience with SMPSpowersupplies.com
  148. +15V pre-regulate for classD amp
  149. Powering servo motors
  150. Noob transformer question
  151. Do These "New" Caps Look Used?
  152. Which stepdown transformer give equivalent of 18V DC
  153. Schematics help, what component is this?
  154. Broken toroid?
  155. Micromega STAGE 6: help with noisy transformer
  156. BH curte tracer.
  157. Questions about Vishay 60APU04 Ultra Fast Soft Recovery DIODE
  158. Power Conditioner Issue
  159. Chosing the right power for auxiliary supply
  160. Dual 12v SMPS
  161. Soft/Slow start - high current - low voltage class A PS for a Pass F5 amp
  162. Soft Start needed for SMPS?
  163. Opinions on tnt-audio power supply?
  164. Sony TA-1055 transistors
  165. Where do you get your transformers?
  166. Looking for a 700vdc supply
  167. Help on 2400W Phase Shift PSU
  168. Dual Bridge PS - Does Phase of Secondary Matter?
  169. Elco's defect? (Fuse keeps blowing)
  170. 3-stage stepped rectifier. Theory?
  171. Soft start using LM555
  172. Swappin' Mech Power Relay for Solid State
  173. Amidon bobbins
  174. Adjustable voltage-mode smps
  175. power supply for baldwin reverb box
  176. Voltage multiplier
  177. Laptop AC/DC adapter to bipolar supply for Marchand XM1
  178. HV lab supply
  179. Thermistor With Hybrid Greatz
  180. Replacement for MUR860 (ChipAmp Power Supply)
  181. Isolated Feedback Design
  182. Variations of DC Main Filter against buzzing Toroid Transformers - what is the right?
  183. NCP1217 or TOP Series
  184. Even loading of both supply rails... by inverting one channel
  185. Ripple voltage problem, or not?
  186. CRCRC linear power supply - selecting the right size caps.
  187. Toroid: Center Tap or Dual Secondary?
  188. Arrgh linear series supply ripple - how come my zener is rippling?
  189. hcca225 orion amp,. need help
  190. Transformer wires coating?
  191. Shunt Regulator Issues/ Questions
  192. AC Filter toroids
  193. A good 12v power supply to run small class D amplifier indoors?
  194. Power factor correction circuits
  195. combined 2 transformers for 24v-0-24v
  196. Battery Charger Questions
  197. Mislabelled transformer?
  198. switches
  199. Jung Super Reglator PCBs
  200. battery vs el cheapo 12v wall wart
  201. sola cvs
  202. Power supply with different voltage output?
  203. Best rectifier diodes?
  204. What kind of transformers I need?
  205. How much voltage can I get out?
  206. Regulator Design v1.3
  207. Just an observation
  208. transformers
  209. Modified a flyback tranformator to dual forward
  210. Power resistor
  211. panasonic fm vs elna silmic 2
  212. Matching or not hexfreds?
  213. toroidal transformer
  214. Power supply
  215. Reduced diode switching by placing a cap across
  216. LM317 vs LM7918
  217. bi-polar +18v -18v
  218. options please
  219. Voltage regulator smps
  220. LM22678 switching relay,power supply
  221. NAD 402 New traffo compatible with power circuit?
  222. Xbox 360 PSU
  223. Low noise DC regulator problem
  224. who knows this transistor?
  225. Ask Transformator
  226. IGBT's VS Mosfets for Switching Supply
  227. 4KW EE65 Transformer
  228. Will this work? Please check
  229. diy power supply
  230. -V problem
  231. A 65W Flyback SMPS
  232. new smps 800watt
  233. help: how to connect 2 pairs of secondary to +/gnd/-
  234. How to modify the walt jung circuit to give 5volt output
  235. Mark Levinson ML-1 Power Supply
  236. WRF36SX-U Usable or Trash?
  237. Assessing the quality of an SMPS
  238. When you need +/- 15VDC and have only one pole
  239. Anyone recognise this SMPS?
  240. b+ power supply help
  241. Witch Oscilloscope to Buy?
  242. SMPS environment temperature failure
  243. Is there High Current Ultra or Fast Bridge Diode?
  244. amplifier switching power supplies
  245. Help RC SNUBBER!
  246. diode bridge
  247. Redesign of NAD receiver PS
  248. different values from reg boards question
  249. How to lower voltage rail a tiny bit
  250. Simple grounding question (separate power supply)

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