View Full Version : Power Supplies

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  1. Time delay to slowly charge a capacitor bank
  2. LLC SMPS using PIC16f506
  3. Abletec, 900 Watt peak class D audio amplifier power supply +/- 53V DC
  4. Repair a Victron Multi Plus for safe power
  5. filter resistors location on a single capacitor PS
  6. Series Shunt regulated power supply??
  7. Strange Problem. Grounding issue?
  8. Using a DC power supply in place of a AC transformer
  9. High current voltage regulator
  10. Kepco 815b power supply
  11. power supply conundrum
  12. Help with specs on Plitron toroid
  13. ferite core turns
  14. A very, very simple soft start circuit
  15. Balanced 230v mains supply - oppinions please!
  16. Shunt resistors in parallel to a load?
  17. Lepai T2020A+ and 12v 4500mA Rechargeable Battery?
  18. ELV light transformer buzz in mains
  19. dumb question about LM317 series.
  20. Replacing electrolyics in a power supply?
  21. How to measure noise of a power supply in LTSpice?
  22. -15V-0- +15V supplies from 2 Wallwarts
  23. another Duncan PSUD question...
  24. Switched power supplies better sometimes?
  25. question about transformer current capability
  26. Power Supply Regulator Replacement Help
  27. Asking for help: TEAC A_H300 thermal fuse gone
  28. Help With Winding a Switching Transfomer
  29. Question to build a 20V high current power supply
  30. soft start help
  31. Oscilloscope picture & Tororid +Bridge Not what I expected.
  32. Resistor before transformer
  33. LM317+TL431, really?
  34. Voltage feedback for IR2153
  35. How to test a Toroidal Transformer
  36. Powersupply Caps upsiddown
  37. Understanding shunt voltage regulator circuit
  38. First DIY PSU, based on CREEK OBH-2
  39. Battery Powered DAC Charging diagram?
  40. Non audio: High current voltage regulator?
  41. Question about Duncan PSU designer
  42. Rectifier caps; go for the huge ones?
  43. what happens when a transformer is very heavily loaded?
  44. How much load is too much load on a voltage doubler?
  45. Power Supply for tri-amped speaker
  46. power/ground interference
  47. Transformer connectivity
  48. Full Wave Rectification without Center Tap?
  49. Powering up a dual primary toroid, half at a time.
  50. Virtual Battery PSU
  51. Transformer
  52. Tutorial: Compute the relative power of each winding in a multi-winding transformer
  53. Overdamping RC snubber network
  54. Well my 1000W Silverstone crapped out
  55. Help converting 13.5 volt ac to 20 volt
  56. Get ground for non-centertapped toroid?
  57. toroidal with no information
  58. 12v to 60v pushpull
  59. Modern ultra low noise LDO - ADM7150
  60. Bash amp on a 12" klipsh sub
  61. +-0 24V from 2*SWPS
  62. Help..2 diode full wave unregulated ps for tripath 2024
  63. Minimizing induced power transformer noise
  64. Economical PSU chassis in EU?
  65. Simple single-sided layout for pooge reg
  66. Why does this power supply not work?
  67. Can type RFI suppression iec sockets
  68. Battery supply, how to?
  69. High performance dual mono PSU
  70. Undervoltage protection idea
  71. Feeding 120V to a transformer configured for 240V?
  72. Rebuilding Counterpoint SA-5.1 PSU
  73. High performance PSU and voltage regulator
  74. How much powerfull is this transformer ?
  75. Noob Question: Virtual GND
  76. Voltage drop in LM337 based PS!
  77. High voltage PSU build thread
  78. Use Centre-tapped transformer without using the centre tap...possible?
  79. Looking for Musical Fidelity a100 power transformer 220v
  80. Running a 60Hz receiver on 50Hz
  81. 5VDC to (25VDC @ 4A) converter
  82. Power supply
  83. tranformer reduction amperes
  84. PSU for amp modules
  85. Bleeder resistors in a bank of small capacitors
  86. Power Issues Nakamichi SR-4A
  87. Linear PS for VSSA (through-hole)
  88. 2 chassis solutions: where best to divide the power supply between the boxes?
  89. Regulated power supply using 30-0-30 EI core transforformer for Gaincore am
  90. Help me, I would like power supply can adjust between 0.1 - 0.5 V
  91. DC blockers and mains filters
  92. LM2679 short protection?
  93. Rectifier bridge connection for Gain Clone - dual secondaries, two channels
  94. Battery Chargers for 18-0-18 transformers
  95. Toroidal trans choice?
  96. 9 Volt Battery Charger Query
  97. MC34262
  98. TommyTommy, a PSU for the Calvin buffer
  99. smps transformer
  100. boombox permanent mains supply
  101. 12V Power Supply Help
  102. Old Computer Power Supply Mod
  103. a Capacitance Multiplier with over-voltage protection
  104. Switching PSU for TK2050 Class-D Audio Amplifier
  105. Capacitance multiplier using cascoded Darlingtons
  106. using regulator to limit AC secondary voltage - A possible or reasonable approach?
  107. LM3886 Power supply based on AN1849
  108. Which DIY PCB Power Supply Kit?
  109. TL494 Full Bridge 900 watt DC-DC converter
  110. Receiver illumination. Lower voltage
  111. Power supply board..
  112. Please help on toroidal stepdown transformer
  113. regulated power supply
  114. Grounding / Earthing
  115. Power supply bypass capacitor types
  116. Building myself a "brute force" linear, adjustable PSU...
  117. How to determine which wires?
  118. 12v-12v, isolated DC DC converter
  119. Fake LM2679 ?
  120. AC induction controls low power relay?
  121. Another capacitor ESR meter
  122. LM2679 question
  123. Hickok PS-503
  124. Center tap transformer grounded through caps
  125. Beefing up old PSU filter caps - advice needed!
  126. Help me understand this TNT-audio web page about snubbers
  127. My CMOS 555 chips have taken up smoking.
  128. Help a novice steadily build a linear 12V power supply?
  129. 150W DC-DC questions
  130. Regulated PSU for Single supply Amplifier
  131. Need help with overvoltage circuit - LM338k
  132. TPS7A4700 regulator board for dac AVDD
  133. TVS Diodes
  134. PSUD2?
  135. Dropout voltage LM350
  136. 10a Voltage Regulator Circuit - Resistor Question
  137. Strange power supply regulation problem
  138. Need help with transformer....
  139. re-use PS from DVD player
  140. Simple +/-power supply ideas please
  141. Soft start with Atmel U2008B
  142. Blocking Mains DC Offset
  143. Looking for 12v 24v psu
  144. Power Supply Kit Questions from a beginner
  145. +-15VDC SMPS
  146. single supply op-amp question
  147. Power supply to bluetooth module
  148. Help with PS design
  149. Wiring transformer as 120V for 240V mains (Warning, probably a bad idea)
  150. MOS-FET CCS Issues
  151. Where is my voltage going?
  152. Dual voltage supply problem
  153. Raising the Vin+ on op-amp
  154. Dual rail secondary to single rail
  155. Effects of altering capacitances in this regulator
  156. New PSU for Power Amp
  157. diyAudio Power Supply Circuit Board v3 illustrated build guide
  158. How about this one then
  159. Help identify wires please.
  160. SG3524 SMPS help needed.
  161. Inrush Current on big capacitor bank
  162. Noise reduction on output of SMPS
  163. Converting Dell Server PSU to benchtop supply
  164. Toroid secondary colors help
  165. Help me select the proper transformer.
  166. Please help identify secondaries on my PT
  167. fake lm338?
  168. Low Wattage Bleeder Resistors
  169. A problem with this PS circuit
  170. LCD Panel Meters to Dual Power Supply
  171. Please help! transistor I.D.
  172. inductor for output smps
  173. Dual high V tracking linear regulator for review
  174. ONIX OA21 and SOAP compatibility
  175. resistors across main capacitors in amplifier
  176. power inverter blown
  177. A simple but low noise LT1761/LT1964 PSU design
  178. Capacitor question
  179. Experiences with different SMPS's
  180. Remote PS for Tube-Buffered Gainclone
  181. How hot you run your toroid transformer ?
  182. Linear regulated power supply.
  183. What kind of diodes...
  184. Power Supply Layout Question
  185. Symmetrical +/- 18V Opamp PSU module?
  186. Tracking SMPS vs brute force???
  187. Ringing in MOSFET during switching
  188. Step-up DC/DC dual Inverter Help
  189. High voltage PS - HSPY series
  190. A power supply: fell down, doesn't work
  191. SMPS Filament Supplies
  192. Pls help recommend me a low noise power supply
  193. Small step-up 12v to +/- 16v for pre-amp
  194. smps from pc
  195. Reservoir capacitor lifetime?
  196. wierd rectifier output
  197. Need help with DAC wiring w/R-Core tranformer
  198. JIMS Audio Kubota Regulator
  199. DC Inverter help
  200. Iso Transformer
  201. How to get +17V 0 -17 V dc with 2 regulated 17 V dc ?
  202. supply problem
  203. Surge arrester recall
  204. help me plzzzzzz
  205. toroidal core power
  206. TL431 or 6V8 Z-Diode
  207. UPS transformers for Audio amp?
  208. Battery/Alternator probelms ? helllpppp!!
  209. SMPS
  210. Voltage doubler and Negative generator
  211. Power MOSFET as simple analog switch
  212. Samsung Hometheater SMPS Repair
  213. Will this single power supply work for Minidsp, Gainclone AND Cold Amp S250?
  214. layout of ps for my mosfet amp
  215. Finish full stabilized 1200W power supply for my new project
  216. Just how noisy is a switched mode power supply?
  217. Question on power entry module
  218. Simple, no-math transformer snubber using Quasimodo test-jig
  219. Variable PS question
  220. Transformer operation
  221. Quck Q on split power supply ground reference?
  222. How to mount a toroidal transformer vertically?
  223. 24V DC, 700mA
  224. [ask] calculating ampere in toroidal transformers
  225. 2N3053 TO-220 equivalent
  226. "Noisy Transformer (Clicking)"
  227. Full wave centre tap versus bridge
  228. Transformer output?
  229. Speaker relays vs power supply softstart relays
  230. Explaining a PSU
  231. STK4192 amplifier circuit?
  232. Wharfedale PM700 Power Supply blown
  233. SMPS recommendation
  234. CCS + Zeners or resistors for 450V reference
  235. Battery charger for wider voltage range
  236. 48v Power supply for McCurdy Phono Pre
  237. Resettable fuses in power rails thoughts
  238. Regulated Negative Power Supply
  239. Bipolar ps from single ended transformer
  240. Ground Box, what is inside?
  241. effects of faulty lm78xx?
  242. Capacitor Support Apparatus
  243. Soft Start for EI Transformer necessary ??
  244. What diodes would you recommend?
  245. Thule PR-350B Upgrade
  246. PSU for esternal DAC
  247. Converting Kraken power supply from 220v to 110V
  248. Newbie asking about transformer
  249. 12 volt power supply
  250. ~180v regulator schematic needed!

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