View Full Version : Power Supplies

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  1. Repair a Victron Multi Plus for safe power
  2. filter resistors location on a single capacitor PS
  3. Series Shunt regulated power supply??
  4. Strange Problem. Grounding issue?
  5. Using a DC power supply in place of a AC transformer
  6. High current voltage regulator
  7. Kepco 815b power supply
  8. power supply conundrum
  9. Help with specs on Plitron toroid
  10. ferite core turns
  11. A very, very simple soft start circuit
  12. Balanced 230v mains supply - oppinions please!
  13. Shunt resistors in parallel to a load?
  14. Lepai T2020A+ and 12v 4500mA Rechargeable Battery?
  15. ELV light transformer buzz in mains
  16. dumb question about LM317 series.
  17. Replacing electrolyics in a power supply?
  18. How to measure noise of a power supply in LTSpice?
  19. -15V-0- +15V supplies from 2 Wallwarts
  20. another Duncan PSUD question...
  21. Switched power supplies better sometimes?
  22. question about transformer current capability
  23. Power Supply Regulator Replacement Help
  24. Asking for help: TEAC A_H300 thermal fuse gone
  25. Help With Winding a Switching Transfomer
  26. Question to build a 20V high current power supply
  27. soft start help
  28. Oscilloscope picture & Tororid +Bridge Not what I expected.
  29. Resistor before transformer
  30. LM317+TL431, really?
  31. Voltage feedback for IR2153
  32. How to test a Toroidal Transformer
  33. Powersupply Caps upsiddown
  34. Understanding shunt voltage regulator circuit
  35. First DIY PSU, based on CREEK OBH-2
  36. Battery Powered DAC Charging diagram?
  37. Non audio: High current voltage regulator?
  38. Question about Duncan PSU designer
  39. Rectifier caps; go for the huge ones?
  40. what happens when a transformer is very heavily loaded?
  41. How much load is too much load on a voltage doubler?
  42. Power Supply for tri-amped speaker
  43. power/ground interference
  44. Transformer connectivity
  45. Full Wave Rectification without Center Tap?
  46. Powering up a dual primary toroid, half at a time.
  47. Virtual Battery PSU
  48. Transformer
  49. Tutorial: Compute the relative power of each winding in a multi-winding transformer
  50. Overdamping RC snubber network
  51. Well my 1000W Silverstone crapped out
  52. Help converting 13.5 volt ac to 20 volt
  53. Get ground for non-centertapped toroid?
  54. toroidal with no information
  55. 12v to 60v pushpull
  56. Modern ultra low noise LDO - ADM7150
  57. Bash amp on a 12" klipsh sub
  58. +-0 24V from 2*SWPS
  59. Help..2 diode full wave unregulated ps for tripath 2024
  60. Minimizing induced power transformer noise
  61. Economical PSU chassis in EU?
  62. Simple single-sided layout for pooge reg
  63. Why does this power supply not work?
  64. Can type RFI suppression iec sockets
  65. Battery supply, how to?
  66. High performance dual mono PSU
  67. Undervoltage protection idea
  68. Feeding 120V to a transformer configured for 240V?
  69. Rebuilding Counterpoint SA-5.1 PSU
  70. High performance PSU and voltage regulator
  71. How much powerfull is this transformer ?
  72. Noob Question: Virtual GND
  73. Voltage drop in LM337 based PS!
  74. High voltage PSU build thread
  75. Use Centre-tapped transformer without using the centre tap...possible?
  76. Looking for Musical Fidelity a100 power transformer 220v
  77. Running a 60Hz receiver on 50Hz
  78. 5VDC to (25VDC @ 4A) converter
  79. Power supply
  80. tranformer reduction amperes
  81. PSU for amp modules
  82. Bleeder resistors in a bank of small capacitors
  83. Power Issues Nakamichi SR-4A
  84. Linear PS for VSSA (through-hole)
  85. 2 chassis solutions: where best to divide the power supply between the boxes?
  86. Regulated power supply using 30-0-30 EI core transforformer for Gaincore am
  87. Help me, I would like power supply can adjust between 0.1 - 0.5 V
  88. DC blockers and mains filters
  89. LM2679 short protection?
  90. Rectifier bridge connection for Gain Clone - dual secondaries, two channels
  91. Battery Chargers for 18-0-18 transformers
  92. Toroidal trans choice?
  93. 9 Volt Battery Charger Query
  94. MC34262
  95. TommyTommy, a PSU for the Calvin buffer
  96. smps transformer
  97. boombox permanent mains supply
  98. 12V Power Supply Help
  99. Old Computer Power Supply Mod
  100. a Capacitance Multiplier with over-voltage protection
  101. Switching PSU for TK2050 Class-D Audio Amplifier
  102. Capacitance multiplier using cascoded Darlingtons
  103. using regulator to limit AC secondary voltage - A possible or reasonable approach?
  104. LM3886 Power supply based on AN1849
  105. Which DIY PCB Power Supply Kit?
  106. TL494 Full Bridge 900 watt DC-DC converter
  107. Receiver illumination. Lower voltage
  108. Power supply board..
  109. Please help on toroidal stepdown transformer
  110. regulated power supply
  111. Grounding / Earthing
  112. Power supply bypass capacitor types
  113. Building myself a "brute force" linear, adjustable PSU...
  114. How to determine which wires?
  115. 12v-12v, isolated DC DC converter
  116. Fake LM2679 ?
  117. AC induction controls low power relay?
  118. Another capacitor ESR meter
  119. LM2679 question
  120. Hickok PS-503
  121. Center tap transformer grounded through caps
  122. Beefing up old PSU filter caps - advice needed!
  123. Help me understand this TNT-audio web page about snubbers
  124. My CMOS 555 chips have taken up smoking.
  125. Help a novice steadily build a linear 12V power supply?
  126. 150W DC-DC questions
  127. Regulated PSU for Single supply Amplifier
  128. Need help with overvoltage circuit - LM338k
  129. TPS7A4700 regulator board for dac AVDD
  130. TVS Diodes
  131. PSUD2?
  132. Dropout voltage LM350
  133. 10a Voltage Regulator Circuit - Resistor Question
  134. Strange power supply regulation problem
  135. Need help with transformer....
  136. re-use PS from DVD player
  137. Simple +/-power supply ideas please
  138. Soft start with Atmel U2008B
  139. Blocking Mains DC Offset
  140. Looking for 12v 24v psu
  141. Power Supply Kit Questions from a beginner
  142. +-15VDC SMPS
  143. single supply op-amp question
  144. Power supply to bluetooth module
  145. Help with PS design
  146. Wiring transformer as 120V for 240V mains (Warning, probably a bad idea)
  147. MOS-FET CCS Issues
  148. Where is my voltage going?
  149. Dual voltage supply problem
  150. Raising the Vin+ on op-amp
  151. Dual rail secondary to single rail
  152. Effects of altering capacitances in this regulator
  153. New PSU for Power Amp
  154. diyAudio Power Supply Circuit Board v3 illustrated build guide
  155. How about this one then
  156. Help identify wires please.
  157. SG3524 SMPS help needed.
  158. Inrush Current on big capacitor bank
  159. Noise reduction on output of SMPS
  160. Converting Dell Server PSU to benchtop supply
  161. Toroid secondary colors help
  162. Help me select the proper transformer.
  163. Please help identify secondaries on my PT
  164. fake lm338?
  165. Low Wattage Bleeder Resistors
  166. A problem with this PS circuit
  167. LCD Panel Meters to Dual Power Supply
  168. Please help! transistor I.D.
  169. inductor for output smps
  170. Dual high V tracking linear regulator for review
  171. ONIX OA21 and SOAP compatibility
  172. resistors across main capacitors in amplifier
  173. power inverter blown
  174. A simple but low noise LT1761/LT1964 PSU design
  175. Capacitor question
  176. Experiences with different SMPS's
  177. Remote PS for Tube-Buffered Gainclone
  178. How hot you run your toroid transformer ?
  179. Linear regulated power supply.
  180. What kind of diodes...
  181. Power Supply Layout Question
  182. Symmetrical +/- 18V Opamp PSU module?
  183. Tracking SMPS vs brute force???
  184. Ringing in MOSFET during switching
  185. Step-up DC/DC dual Inverter Help
  186. High voltage PS - HSPY series
  187. A power supply: fell down, doesn't work
  188. SMPS Filament Supplies
  189. Pls help recommend me a low noise power supply
  190. Small step-up 12v to +/- 16v for pre-amp
  191. smps from pc
  192. Reservoir capacitor lifetime?
  193. wierd rectifier output
  194. Need help with DAC wiring w/R-Core tranformer
  195. JIMS Audio Kubota Regulator
  196. DC Inverter help
  197. Iso Transformer
  198. How to get +17V 0 -17 V dc with 2 regulated 17 V dc ?
  199. supply problem
  200. Surge arrester recall
  201. help me plzzzzzz
  202. toroidal core power
  203. TL431 or 6V8 Z-Diode
  204. UPS transformers for Audio amp?
  205. Battery/Alternator probelms ? helllpppp!!
  206. SMPS
  207. Voltage doubler and Negative generator
  208. Power MOSFET as simple analog switch
  209. Samsung Hometheater SMPS Repair
  210. Will this single power supply work for Minidsp, Gainclone AND Cold Amp S250?
  211. layout of ps for my mosfet amp
  212. Finish full stabilized 1200W power supply for my new project
  213. Just how noisy is a switched mode power supply?
  214. Question on power entry module
  215. Simple, no-math transformer snubber using Quasimodo test-jig
  216. Variable PS question
  217. Transformer operation
  218. Quck Q on split power supply ground reference?
  219. How to mount a toroidal transformer vertically?
  220. 24V DC, 700mA
  221. [ask] calculating ampere in toroidal transformers
  222. 2N3053 TO-220 equivalent
  223. "Noisy Transformer (Clicking)"
  224. Full wave centre tap versus bridge
  225. Transformer output?
  226. Speaker relays vs power supply softstart relays
  227. Explaining a PSU
  228. STK4192 amplifier circuit?
  229. Wharfedale PM700 Power Supply blown
  230. SMPS recommendation
  231. CCS + Zeners or resistors for 450V reference
  232. Battery charger for wider voltage range
  233. 48v Power supply for McCurdy Phono Pre
  234. Resettable fuses in power rails thoughts
  235. Regulated Negative Power Supply
  236. Bipolar ps from single ended transformer
  237. Ground Box, what is inside?
  238. effects of faulty lm78xx?
  239. Capacitor Support Apparatus
  240. Soft Start for EI Transformer necessary ??
  241. What diodes would you recommend?
  242. Thule PR-350B Upgrade
  243. PSU for esternal DAC
  244. Converting Kraken power supply from 220v to 110V
  245. Newbie asking about transformer
  246. 12 volt power supply
  247. ~180v regulator schematic needed!
  248. build power on 2 P88 and 1 PL 504 / 511
  249. Choosing a Power Transformer for Blame ST
  250. Power supply for LCD digital multimeter

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