View Full Version : Power Supplies

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  1. 12V low power AC/DC PSU - Capacitor bank after regulator?
  2. Help modify PSU!
  3. Troubleshooting Sherwood RV-6010R surround reciever PSU
  4. laptop transformer
  5. Dual polarity power supply with a single secondary transformer?
  6. High current Jung power supply with HT regulator pcb
  7. earth grounding questions when using shielded cat5 & neutrikplugs
  8. Noisy IC Universal Regulator
  9. +-30Vout with LM31+337
  10. offline SMPS aux supply
  11. H-bridge inverter circuit
  12. Replacing Filtersupply large can capacitors
  13. SMPS IR2153 vs ATX transformers
  14. Protection circuit for IR2110 Class D Mosfet Driver ?
  15. Problem with schottky
  16. Super, basic power supply wiring question
  17. ESP Fan Controller to drive a relay
  18. Help Finding +/- 35V Power Supply
  19. Why transformerless PS = death?
  20. Will this blow my choke to pieces?
  21. Random attempt to improve power supply
  22. transformer and rectifier confuguration
  23. Virtual ground / Rail Splitter using only LM317
  24. Can you make an amp power supply out of a car radio vibrator?
  25. Isolation transformer connection
  26. 14.4vrms Full Load Transformer for Alpine MRV-F400
  27. 63V caps, 62V B+ PSU ehh
  28. Parallel caps in Hafler
  29. Rotel RX-500 panel light?
  30. Using computer PSU with Arjen's Ta2024 mkII
  31. How much (capacitance) is too much?
  32. need help building a switching power supply for car amps
  33. Sony STR-D511 power transformer
  34. help for PSU
  35. Onkyo TX-DS474 Power Supply Modification
  36. Harman Kardon HK 620 transformer is dead
  37. Obsessing about layout
  38. PS with boosted rails for IPS, VAS and Pre-Drivers
  39. NAD C165 Blowing Fuse When Connecting to AMP
  40. Repair Toroid Enamel
  41. How much power to the preamp?
  42. mosfet self turn on
  43. Let's talk gate drive rise time and noise
  44. How to make a power conditioner
  45. No Power Technics 1200 Mk2
  46. Inrush current limiting
  47. The Belleson Superpower, the ultimate voltage regulator ... ?
  48. Please check my first HV regulator
  49. PSU with regulated Supply for front-end
  50. Perfect DC supply?
  51. Too high AC output--How to lower?
  52. my 80W flyback smps
  53. Antek with four outputs - Only need two
  54. ~-1V rail from existing regulated -15V rail - how?
  55. Low Noise 5V Reg
  56. Help Identifying Where the Hum is Coming from!
  57. finger sized ferrite rods
  58. Unbalance sec ac voltage
  59. CD Player Head unit keeps shutting off????
  60. SMPS for tubes - modification
  61. common mode filter design
  62. SMPS 1200/2500 From Romania
  63. maximum voltage for capacitor
  64. Voltages on your Speakers
  65. Critique my UCD400 linear PS
  66. Upper limit of R in CRC any issue besides dissipation ?
  67. wenzel associates finesse shunt
  68. SMPS regulation on secondary side
  69. Power amp - Voltage doubler supply - Why not used?
  70. Battery power for the phono preamplifier
  71. 250watt PSU Idea
  72. driving full bridge using ir2110
  73. Voltage control for an unregulated psu
  74. Power supply for Hifimediy T2
  75. Very basic amplifier volts question
  76. Carvin Stage master 212-Broken Power Transformer
  77. smps troubleshooting
  78. smps troubleshooting
  79. Troubleshooting and Repairing Switch Mode Power Supply
  80. 12V -> 170V DC/DC smps, what's wrong?
  81. Multi-tap Transfomer
  82. common mode choke help
  83. smps from 220/230V
  84. Transformers are close to output boards
  85. Switching power supply problem
  86. Portable speaker power supply
  87. output frquncy of UC3845
  88. What is a better alternative for 317 337?
  89. Do I still need a regulator for constant current draw?
  90. High power SMPS 2kw 400v DC
  91. MOSFET or Bipolar for shunt regulators?
  92. IRS27951 / IRS27952
  93. SMPS with toroid transformer
  94. Any experts in choke loaded tube rectified power supplies?
  95. Toroid Transformer help?
  96. meridian 103d power amp
  97. Help finding matching power supply for
  98. MC34063A dual line in series question
  99. a ground question
  100. SMPS vs LINEAR PS: Let's build up a serious technical review-list
  101. Unknown mains transformer
  102. A few questions regarding regulated PSUs
  103. PSU RC multistage filtering
  104. Turn on...
  105. Transformer for 26-0-26
  106. L07-2693-05 Power transformer
  107. Lightspeed PSU
  108. Ground Question with Wooden Enclosure.
  109. Antek
  110. Power supply 2x24 , 2A[schematic needed]
  111. Power supply for DC compressor circuit
  112. Sanity check on this multi cap supply
  113. Thermocouple meter, measuring MOSFET temperatures
  114. Power Supply for your JAN 6418 projects
  115. how do I lover dc voltages
  116. VCT and RMS V
  117. May I mark this buck, already with PFC, or not?
  118. Blowing Fuses on Power Supply, No Load (F5)
  119. Neon lamp charger
  120. Schematic Ericsson rectifier BML-435 ?
  121. Power Relay
  122. First Serious High Power Audio Supply Questions
  123. New PFC Handbook
  124. suggestion needed for transformer
  125. Hexfred bridges in tube amps
  126. Help with bypass CAPS
  127. looking for simple voltage doubler
  128. how to wind toroid transformer?
  129. Developmental PS for Audio Power Amp
  130. Smoothing Cap / By-Pass Cap Questions
  131. Help with Subwoofer amp
  132. Question about the level on my amp.
  133. GDT loading Question
  134. Power Supply for Thorens 166 mkII
  135. cheap transformer or cheap death?
  136. SMPS offline, HV and LV Design
  137. Can I Use this Trafo ??
  138. Special 9V supply
  139. Transformer for voltage doubler?
  140. Linear post regulator for SMPS, what's your take?
  141. Please !!!Help me:( about SMSP
  142. Power supply help please
  143. PSUD2 question: how do I sim an LCLCL filter?
  144. LM317 cleanup
  145. Li-ion arrangement for CMoy-style headphone amp
  146. One large or many small capacitor
  147. smps 12v inverterhello i am new in this forum , excuse my english it's very bad i
  148. Power Factor Corrector Inductors
  149. 230V single primary toroid in a 115V country
  150. Regulated supplies within regulators (SuperReg)
  151. power supply for hiraga 20 W class a amp
  152. Snubbing or not
  153. where is soft start relay inserted in PSU circuit
  154. is transformer with primary and secondary = isolation?
  155. Enable 12V trigger with audio signal
  156. Need a transformer
  157. 18 to 330Vdc with 97% efficiency.
  158. need advice on fuse value and rectifier
  159. Expanding the output capability of LT1054
  160. WIY2263 (30W SMPS IC) HELP NEEDED
  161. full service manual NAD 7225 pe
  162. 18V phono preamp (super) regulator
  163. Can a Filtered IEC Power Inlet Improve Sound Quality?
  164. 13vac
  165. What type of diode........
  166. A Grounding challenge , please help..
  167. Probably a simple question (SMPS)...
  168. Bringing down the voltage by 10 Volts
  169. SMPS Transformer Primary Turns Calculations
  170. Paragon System-E PS schematic needed
  171. help in rectifier diode selection
  172. diode rectifier suggestion for power supply
  173. Simple transformer questions
  174. Why do I only get 8.9v from a 12v voltage regulator?
  175. SMPS feedback
  176. Great Article On AC Power Harmonic Issues
  177. Toroid ~ grill interaction
  178. 5V regulator for AK4396
  179. Help!Transformer overheating!
  180. Good sounding LM317 PSU
  181. Dropping 50V on psu
  182. Simple Toroid Question
  183. Eccentric Power Distribution
  184. rotel RB-9708BX-mk2 AC 120 TO 220 HOW FIX
  185. Power Supply for Class D: 12V AC
  186. voltage multiplier current demands
  187. NTC questions for Class A
  188. DC noise come from live or neutral?
  189. 470uF for amps psu bypass?
  190. potting compound question
  191. LT1431 + DN2540N3 + D44H11 Dual Rail Reg
  192. 4 pole caps and bypass caps
  193. PSU Filter section question
  194. Newby question
  195. Using 2 x Meanwell SMPS to get +ve 0v -ve
  196. Dual rail from trafo with no CT?????
  197. Help About 8KW Full Bridge SMPS
  198. 18v rectification ??
  199. Different toroid trans mounting produce different sonic?
  200. SMPS 2x45V 600W
  201. Powering Incandescent Lamp from Transformer Secondary.
  202. Need help on relay for 1200W Trafo soft start
  203. What type of diodes to use?
  204. Nakamichi IA-3 hum/buzz and does anyone have the schematics/service manual?
  205. Elna 15000uF 82V filter caps - blown
  206. 220 to 120 volts convertor question
  207. Getting down to a regulated 150V
  208. checking if transformer will saturate at low freq?
  209. 2 ps in series
  210. Specs on a PS?
  211. Li-Ion supply for ghettoblaster
  212. produce 80Vdc with a 480-277 1 phase power transformer
  213. LiMn or LiFePO4 48V accumulator
  214. 2-Conductor Mains Supplies
  215. Possible Cheap Powersupply Solution for Current Dumping Amplifiers...
  216. Filter Capacitor
  217. 0.83V regulated supply
  218. Why is this Cap getting hot and bulging?
  219. Transformer details of 1-433-573-31
  220. Faulty supply problem
  221. Pyle Power Capacitor, Pyle of what?
  222. Source for Germanium transistors
  223. Using 220V transformer on 110V
  224. hi guys just got a quick question about ajustable regulators for battery charging
  225. Need Negative High Voltage Regulator Circuit
  226. Hammond transformer (simple question)
  227. Upgrading Meridian G68 Power Supply
  228. What kind of line filter shall I use?
  229. replacement of three pin rectifier with new two pin for transformer
  230. smps spilt supply
  231. gainclone lm4780's supply voltage, please advice.
  232. Which industrial transformer to repurpose?
  233. Small SMPS's for preamps/DSPs
  234. Two (or more) transformers to increase power ??
  235. .1 or .01 ps bypass caps
  236. Crying 12V PWM Powersupply
  237. Problem with Hypex SMPS400/67 (OEM V4)
  238. psu problems
  239. clclcrcrc or crcrclclc?
  240. clclcrcrc or crcrclclc?
  241. amp wont turn off
  242. Core choice for power transformer
  243. Battery cut off circuit
  244. Need help on phase splitter
  245. Quick Power Supply Question
  246. Tube rectifier
  247. Mathematically challenged help for lm 317-337
  248. Is this off-line flyback? B+ switch, Startup troubleshooting steps?
  249. Need 16V rails from an F5 Power Supply
  250. Step down transformer voltage

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