View Full Version : Power Supplies

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  1. How easy is it to replace a transformer in a linear power supply?
  2. Wire DC Power Jack for 9V Battery
  3. choke loaded power supply
  4. Light Bulb Tester
  5. toroidal transformers help
  6. orion 2100 HCCA amplifier
  7. Does this two circuit have the same output?
  8. Toroidal hum/buzz. Modifyed Venus PS-400A
  9. Confusion about star grounding?
  10. Automotive input magamp PSU
  11. Synchronous Rectification
  12. Power supply problem
  13. Connecting 2 bridge rectrifier
  14. half-bridge to full-bridge
  15. Isolated PFC Topology choice, 800W.
  16. Transform computer supply into 400V supply for tubes
  17. Possible to rewire this PSU from 220V to 110V?
  18. Newbie question about transformer?
  19. Solid state rectifier for SE guitar amp (Vox AC4)
  20. Problem with dual tracking power supply
  21. mAh Testing... finding out...
  22. PWM controllers with built in FETs?
  23. the 1.25v of lm317
  24. Use of dual transformer for mono amp
  25. +/- 12v dc PSU Required
  26. 15v Halogen switched mode power supply
  27. RECOMENDATION for 40khz push-pull smps
  28. Linear Power Supplies with Torroidal transformers
  29. does have possibility to build a SMPS flyback 13.8v 50A ?
  30. SMPS flyback, transistor problem
  31. How to connect two secondaries to get a central tap
  32. My 4Kw smps finished
  33. 7ch TDA7294 PSU
  34. Need Schematic for Xantrex 1750 Prowatt Inverter
  35. 2kw inverter charger
  36. torridal designing software
  37. solen vs cerafine
  38. atx power supply inductor operating max. frequency ?
  39. High Speed PCB Layout
  40. Surge on power on causing major headache
  41. transformer for Legend Stage MK2 (65-0-65V)@10A
  42. Can I parallel LT1763 to double the current?
  43. power supply
  44. Shunt regulator using LM317 & LM337
  45. High quality, high voltage (~250V) reservoir caps for PSU
  46. How to drop voltage and current
  47. +/- 28V 3A supply
  48. High current low noise linear regulator?
  49. Psu based on an-1849 note from ni
  50. Advice Needed: PS for STK 463 chip
  51. SMPS nearly finished, not stable
  52. 35khz High Frequency AC Supply (Tube design)
  53. Commodore 64 Floppy Drive Transformer
  54. SMPS input 127Vac, output 13.8VCC / 200A, true or fake ? to see this video:
  55. 35khz High Frequency AC
  56. Thermal Compound Short a SMPS?
  57. Compensating for PS parasitic capacitance
  58. On soft start circuits and safety
  59. 230v 800va toroid on 115vac
  60. Which 24v dc power supply for T amp?
  61. Power transformer amperage
  62. 83mF Capacitor...Tripath smoothing
  63. srpp psu
  64. usb power noise filtering
  65. Question regarding a PFC output cappacitor selection
  66. Phantom power supply
  67. hand made 800VA EI Transformer
  68. no centre tap tranformer only 500va standard
  69. 48v power supply design questions
  70. adding and using secondary windings
  71. New power supply for Logitech Duet
  72. Sine Wave Inverter
  73. 4000VA Toroid Transformer Problem
  74. Quick question about shunt regs and CCS
  75. a free but not working Stabylex 12 VDC power supply to any one
  76. sg3525 spice model needed !
  77. To series connect dual secondary or not?
  78. PWM Controller ICs Choices
  79. use of dc-dc converters in high power amps supply
  80. Bridgeless PFC help
  81. Several psu ground question.
  82. Stable switching speeds for IGBTs in SMPS design
  83. LM4562 decoupling...
  84. Powering multiple opamps - cascaded rails or starred?
  85. Resistor Gate
  86. commercial smps
  87. mains light bulb tester.
  88. "Power On" Led using bleeding resistor. An Issue ?
  89. Need power supply for msb link iii dac
  90. Full bridge Converter Design
  91. Farnell Transformer- cheap 300VA 2*30V
  92. Shorten leads of primaries to connect them in series ?
  93. diy bybee quantum purifiers?
  94. Any schematic for a diy power line sniffer noise Detector ?
  95. meanwell ???
  96. What fuses to use
  97. Piling two toroidal transformers
  98. multiple SMPS
  99. Exodus RFI/DC Filter, any OPINIONS?
  100. How do I know what a transformers VA is?
  101. coupled output inductor in dual smps
  102. Want to make a DIY 19" rack power conditioner. Please help?
  103. zero standby power supply
  104. reliable UK distributor for 2SK170,2SK370
  105. Speed control for syncronous motor
  106. another transfomer question
  107. A-class Preamp PSU
  108. F5 psu layout
  109. Replacing a wall wart with a bigger transformer
  110. Battery Pack Burnout
  111. 7W dissipation in linear reg.= 100degC???
  112. Is Trafco a trusted company in Belgrade?
  113. Toroid xformer hookup question - Antek
  114. Sqeezebox 3 separate powersupplies????
  115. Wiki on Shunt regulation
  116. help with disigning 3 phase AC to DC converter
  117. comining rail to rail and rail to ground decoupling?
  118. Swapping in transformer?
  119. Voltage doubler, tripler or other creative solution?
  120. toroid with single 240v primary on hexateq softstart?
  121. Transformer grounding questions
  122. Do larger caps age better then small ones?
  123. CAPS ! One big or 4 small ?
  124. How to control the cooling fan ... ?
  125. HexFRED and SMPS?
  126. KV PS capacitor options
  127. Need SMPS circuit for LM3886 based audio amp
  128. Soundcraft Folio Schematics
  129. spike problem !
  130. Some questions about transformer
  131. Preamp Power Supply Question
  132. Air-Core Transformers with applications in Tesla Coil design
  133. HF Trafo Core Selection
  134. VA, how do you size?
  135. supply question
  136. Power Resistor Question
  137. Amplifier PSU design needed
  138. transformer question
  139. Can you do this?
  140. LM317 and LM337 regulators
  141. Make Amp PSU From Salvaged Parts
  142. Help designing a psu pcb - fuses where?
  143. Transformers?
  144. how warm should a transformer be?
  145. Are Hammond 2-300 series ratings misleading?
  146. Is it hard to build a voltage step up converter?
  147. LC Audio low noise DC power supply
  148. Mains filter
  149. aussie av1000
  150. aussie av1000
  151. Digital Safe Soft start unit
  152. help me i need a linear regulated power supply for my amp
  153. Turntable Motor Power supply
  154. LM350 regulator problem
  155. Behringer sps 600
  156. Dual caps for S.S. PS filtering
  157. Help - dead power supply in assemblage dac
  158. Using 220v transformer with 110v mains
  159. core sources
  160. Are this capacitors good for my aleph 2 psu?
  161. Anyone have experience with SMPSpowersupplies.com
  162. +15V pre-regulate for classD amp
  163. Powering servo motors
  164. Noob transformer question
  165. Do These "New" Caps Look Used?
  166. Which stepdown transformer give equivalent of 18V DC
  167. Schematics help, what component is this?
  168. Broken toroid?
  169. Micromega STAGE 6: help with noisy transformer
  170. BH curte tracer.
  171. Questions about Vishay 60APU04 Ultra Fast Soft Recovery DIODE
  172. Power Conditioner Issue
  173. Chosing the right power for auxiliary supply
  174. Dual 12v SMPS
  175. Soft/Slow start - high current - low voltage class A PS for a Pass F5 amp
  176. Soft Start needed for SMPS?
  177. Opinions on tnt-audio power supply?
  178. Sony TA-1055 transistors
  179. Where do you get your transformers?
  180. Looking for a 700vdc supply
  181. Help on 2400W Phase Shift PSU
  182. Dual Bridge PS - Does Phase of Secondary Matter?
  183. Elco's defect? (Fuse keeps blowing)
  184. 3-stage stepped rectifier. Theory?
  185. Soft start using LM555
  186. Swappin' Mech Power Relay for Solid State
  187. Amidon bobbins
  188. Adjustable voltage-mode smps
  189. power supply for baldwin reverb box
  190. Voltage multiplier
  191. Laptop AC/DC adapter to bipolar supply for Marchand XM1
  192. HV lab supply
  193. Thermistor With Hybrid Greatz
  194. Replacement for MUR860 (ChipAmp Power Supply)
  195. Isolated Feedback Design
  196. Variations of DC Main Filter against buzzing Toroid Transformers - what is the right?
  197. NCP1217 or TOP Series
  198. Even loading of both supply rails... by inverting one channel
  199. Ripple voltage problem, or not?
  200. CRCRC linear power supply - selecting the right size caps.
  201. Toroid: Center Tap or Dual Secondary?
  202. Arrgh linear series supply ripple - how come my zener is rippling?
  203. hcca225 orion amp,. need help
  204. Transformer wires coating?
  205. Shunt Regulator Issues/ Questions
  206. AC Filter toroids
  207. A good 12v power supply to run small class D amplifier indoors?
  208. Power factor correction circuits
  209. combined 2 transformers for 24v-0-24v
  210. Battery Charger Questions
  211. Mislabelled transformer?
  212. switches
  213. Jung Super Reglator PCBs
  214. battery vs el cheapo 12v wall wart
  215. sola cvs
  216. Power supply with different voltage output?
  217. Best rectifier diodes?
  218. What kind of transformers I need?
  219. How much voltage can I get out?
  220. Regulator Design v1.3
  221. Just an observation
  222. transformers
  223. Modified a flyback tranformator to dual forward
  224. Power resistor
  225. panasonic fm vs elna silmic 2
  226. Matching or not hexfreds?
  227. toroidal transformer
  228. Power supply
  229. Reduced diode switching by placing a cap across
  230. LM317 vs LM7918
  231. bi-polar +18v -18v
  232. options please
  233. Voltage regulator smps
  234. LM22678 switching relay,power supply
  235. NAD 402 New traffo compatible with power circuit?
  236. Xbox 360 PSU
  237. Low noise DC regulator problem
  238. who knows this transistor?
  239. Ask Transformator
  240. IGBT's VS Mosfets for Switching Supply
  241. 4KW EE65 Transformer
  242. Will this work? Please check
  243. diy power supply
  244. -V problem
  245. A 65W Flyback SMPS
  246. new smps 800watt
  247. help: how to connect 2 pairs of secondary to +/gnd/-
  248. How to modify the walt jung circuit to give 5volt output
  249. Mark Levinson ML-1 Power Supply
  250. WRF36SX-U Usable or Trash?

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