View Full Version : Power Supplies

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

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