View Full Version : Power Supplies

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  1. motorboating noise due to transformer?
  2. power for logic dm101
  3. Need a 12.6 VDC power supply schematic
  4. Line voltage selector Revox B750 MK II blew up
  5. Transformer calculations
  6. Help with Victoria Magnetics Transformer
  7. Common-mode choke before or after?
  8. Accu battery for LM3886
  9. Newbie attempt at a full-fledged Regulated PSU
  10. Lancing a wall-wart.
  11. spike problems
  12. Improve grounding - Does anyone know what this is about?
  13. Output voltage Alwsr super reg
  14. Question about 110V to 220V converter
  15. Could someone tell me a bit about this PS?
  16. inrush bypass using smps output
  17. Lundahl and rectifier mismatch?
  18. Mic pre and phantom power PSU questions
  19. SMPS feedback path
  20. Boost converter
  21. How to reduce DC voltage ?
  22. Half Bridge SMPS series Capacitor selection
  23. Need recommendation for Salas Shunt type for AXO board
  24. Connecting a Meanwell s-350-27 to the mains power
  25. LM317 experiments and measurements
  26. PSU problem - Murphy is an ***hole!
  27. Mounting an ei core sideways
  28. Tapping a main toroidal
  29. 750W SMPS
  30. need hel with smps txfr .........
  31. Isolation transformation wiring project help
  32. regulated PS grounding scheme questions
  33. 120 to 230 voltage automatic switch
  34. Cleaning up SMPS output
  35. Power Supply Questions
  36. I need 15 volts regulator from 40 volts DC
  37. Pre amp PSU
  38. Ground Hanger.....really!?!?
  39. Royer
  40. SMPS Forward Active Reset
  41. Low cost compact power supply for sub-mini tube preamp
  42. Edcor power tx XPWR035 issue
  43. SMPS feedback compensation
  44. Permissable voltage sag?
  45. PS for t-amp, switching mode, where to get, DIY?
  46. Need help on RC filter for power supply
  47. 350w SMPS troubleshooting.
  48. Building SMPS for +50v and -50v
  49. Meanwell 27V 13A vs Noname with same spec?
  50. 1000W SMPS Based on IR2110
  51. filament wiring of dual rectifiers
  52. Best sounding SS rectifiers?
  53. help making sense of measurements
  54. EMI Filter Choke Safe?
  55. Transformer VA/current for 6xNE5532?
  56. Dual 12V preamp power supply
  57. Mark Levinson ML1
  58. Would this work? (15VAC to 12VDC & 24VDC)
  59. Beginner's Question : Identifying wires on a unknown transformer
  60. Zeners for shunt regulation and ground offset
  61. Big heavy Siga toroid...any ideas or use?
  62. what if common ground not zero volt
  63. Hypex SMPS's?
  64. Beginners Question
  65. Power Supply
  66. EI Transformer Questions
  67. Switch mode power supply in LCD TV
  68. Definitive Technology PF15TL/1500TL+ 240V AMP - AFAD
  69. Alternative Designs
  70. I need help building a power supply
  71. 300W SMPS design .............. fully tested
  72. I need an Audo Alchemy power supply
  73. need a amp to run a car amp inside
  74. Frequency generator 50-100kHz IC?
  75. Please help identify this Amveco toroidal transformer.
  76. Getting 14.4v
  77. Why is it not a Constant Current Source ?
  78. Need a -100V Voltage regulator
  79. 12V low power AC/DC PSU - Capacitor bank after regulator?
  80. Help modify PSU!
  81. Troubleshooting Sherwood RV-6010R surround reciever PSU
  82. laptop transformer
  83. Dual polarity power supply with a single secondary transformer?
  84. High current Jung power supply with HT regulator pcb
  85. earth grounding questions when using shielded cat5 & neutrikplugs
  86. Noisy IC Universal Regulator
  87. +-30Vout with LM31+337
  88. offline SMPS aux supply
  89. H-bridge inverter circuit
  90. Replacing Filtersupply large can capacitors
  91. Thoughts on PSU
  92. Do I want fast settling or massive filtration in PS?
  93. SMPS IR2153 vs ATX transformers
  94. Protection circuit for IR2110 Class D Mosfet Driver ?
  95. Problem with schottky
  96. Super, basic power supply wiring question
  97. ESP Fan Controller to drive a relay
  98. Help Finding +/- 35V Power Supply
  99. Why transformerless PS = death?
  100. Will this blow my choke to pieces?
  101. Random attempt to improve power supply
  102. transformer and rectifier confuguration
  103. Virtual ground / Rail Splitter using only LM317
  104. Can you make an amp power supply out of a car radio vibrator?
  105. Isolation transformer connection
  106. 14.4vrms Full Load Transformer for Alpine MRV-F400
  107. 63V caps, 62V B+ PSU ehh
  108. Parallel caps in Hafler
  109. Rotel RX-500 panel light?
  110. Using computer PSU with Arjen's Ta2024 mkII
  111. How much (capacitance) is too much?
  112. valve rectifier series resistors
  113. need help building a switching power supply for car amps
  114. Sony STR-D511 power transformer
  115. help for PSU
  116. Onkyo TX-DS474 Power Supply Modification
  117. Harman Kardon HK 620 transformer is dead
  118. Obsessing about layout
  119. PS with boosted rails for IPS, VAS and Pre-Drivers
  120. NAD C165 Blowing Fuse When Connecting to AMP
  121. Repair Toroid Enamel
  122. How much power to the preamp?
  123. mosfet self turn on
  124. Let's talk gate drive rise time and noise
  125. How to make a power conditioner
  126. No Power Technics 1200 Mk2
  127. Inrush current limiting
  128. The Belleson Superpower, the ultimate voltage regulator ... ?
  129. Please check my first HV regulator
  130. PSU with regulated Supply for front-end
  131. Perfect DC supply?
  132. Too high AC output--How to lower?
  133. my 80W flyback smps
  134. Antek with four outputs - Only need two
  135. ~-1V rail from existing regulated -15V rail - how?
  136. Low Noise 5V Reg
  137. Help Identifying Where the Hum is Coming from!
  138. finger sized ferrite rods
  139. Unbalance sec ac voltage
  140. CD Player Head unit keeps shutting off????
  141. SMPS for tubes - modification
  142. common mode filter design
  143. SMPS 1200/2500 From Romania
  144. maximum voltage for capacitor
  145. Voltages on your Speakers
  146. Critique my UCD400 linear PS
  147. Upper limit of R in CRC any issue besides dissipation ?
  148. wenzel associates finesse shunt
  149. SMPS regulation on secondary side
  150. Power amp - Voltage doubler supply - Why not used?
  151. Battery power for the phono preamplifier
  152. 250watt PSU Idea
  153. driving full bridge using ir2110
  154. Voltage control for an unregulated psu
  155. Power supply for Hifimediy T2
  156. Very basic amplifier volts question
  157. Carvin Stage master 212-Broken Power Transformer
  158. smps troubleshooting
  159. smps troubleshooting
  160. Troubleshooting and Repairing Switch Mode Power Supply
  161. 12V -> 170V DC/DC smps, what's wrong?
  162. Multi-tap Transfomer
  163. common mode choke help
  164. smps from 220/230V
  165. Transformers are close to output boards
  166. Switching power supply problem
  167. Portable speaker power supply
  168. output frquncy of UC3845
  169. What is a better alternative for 317 337?
  170. Do I still need a regulator for constant current draw?
  171. High power SMPS 2kw 400v DC
  172. MOSFET or Bipolar for shunt regulators?
  173. IRS27951 / IRS27952
  174. SMPS with toroid transformer
  175. Any experts in choke loaded tube rectified power supplies?
  176. Toroid Transformer help?
  177. meridian 103d power amp
  178. Help finding matching power supply for
  179. MC34063A dual line in series question
  180. a ground question
  181. SMPS vs LINEAR PS: Let's build up a serious technical review-list
  182. Unknown mains transformer
  183. A few questions regarding regulated PSUs
  184. PSU RC multistage filtering
  185. Turn on...
  186. Transformer for 26-0-26
  187. L07-2693-05 Power transformer
  188. Lightspeed PSU
  189. Ground Question with Wooden Enclosure.
  190. Antek
  191. Power supply 2x24 , 2A[schematic needed]
  192. Power supply for DC compressor circuit
  193. Sanity check on this multi cap supply
  194. Thermocouple meter, measuring MOSFET temperatures
  195. Power Supply for your JAN 6418 projects
  196. how do I lover dc voltages
  197. VCT and RMS V
  198. May I mark this buck, already with PFC, or not?
  199. Blowing Fuses on Power Supply, No Load (F5)
  200. Neon lamp charger
  201. Schematic Ericsson rectifier BML-435 ?
  202. Power Relay
  203. First Serious High Power Audio Supply Questions
  204. New PFC Handbook
  205. suggestion needed for transformer
  206. Hexfred bridges in tube amps
  207. Help with bypass CAPS
  208. looking for simple voltage doubler
  209. how to wind toroid transformer?
  210. Developmental PS for Audio Power Amp
  211. Smoothing Cap / By-Pass Cap Questions
  212. Help with Subwoofer amp
  213. Question about the level on my amp.
  214. GDT loading Question
  215. Power Supply for Thorens 166 mkII
  216. cheap transformer or cheap death?
  217. SMPS offline, HV and LV Design
  218. Can I Use this Trafo ??
  219. Special 9V supply
  220. Transformer for voltage doubler?
  221. Linear post regulator for SMPS, what's your take?
  222. Please !!!Help me:( about SMSP
  223. Power supply help please
  224. PSUD2 question: how do I sim an LCLCL filter?
  225. LM317 cleanup
  226. Li-ion arrangement for CMoy-style headphone amp
  227. One large or many small capacitor
  228. smps 12v inverterhello i am new in this forum , excuse my english it's very bad i
  229. Power Factor Corrector Inductors
  230. 230V single primary toroid in a 115V country
  231. Regulated supplies within regulators (SuperReg)
  232. power supply for hiraga 20 W class a amp
  233. Snubbing or not
  234. where is soft start relay inserted in PSU circuit
  235. is transformer with primary and secondary = isolation?
  236. Enable 12V trigger with audio signal
  237. Need a transformer
  238. 18 to 330Vdc with 97% efficiency.
  239. need advice on fuse value and rectifier
  240. Expanding the output capability of LT1054
  241. WIY2263 (30W SMPS IC) HELP NEEDED
  242. full service manual NAD 7225 pe
  243. 18V phono preamp (super) regulator
  244. Can a Filtered IEC Power Inlet Improve Sound Quality?
  245. 13vac
  246. What type of diode........
  247. A Grounding challenge , please help..
  248. Probably a simple question (SMPS)...
  249. Bringing down the voltage by 10 Volts
  250. SMPS Transformer Primary Turns Calculations

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