View Full Version : Power Supplies

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  1. Powering Incandescent Lamp from Transformer Secondary.
  2. Need help on relay for 1200W Trafo soft start
  3. What type of diodes to use?
  4. Nakamichi IA-3 hum/buzz and does anyone have the schematics/service manual?
  5. Elna 15000uF 82V filter caps - blown
  6. 220 to 120 volts convertor question
  7. Getting down to a regulated 150V
  8. checking if transformer will saturate at low freq?
  9. 2 ps in series
  10. Specs on a PS?
  11. Li-Ion supply for ghettoblaster
  12. produce 80Vdc with a 480-277 1 phase power transformer
  13. LiMn or LiFePO4 48V accumulator
  14. 2-Conductor Mains Supplies
  15. Possible Cheap Powersupply Solution for Current Dumping Amplifiers...
  16. Filter Capacitor
  17. 0.83V regulated supply
  18. Why is this Cap getting hot and bulging?
  19. Transformer details of 1-433-573-31
  20. Faulty supply problem
  21. Pyle Power Capacitor, Pyle of what?
  22. Source for Germanium transistors
  23. Using 220V transformer on 110V
  24. hi guys just got a quick question about ajustable regulators for battery charging
  25. Need Negative High Voltage Regulator Circuit
  26. Hammond transformer (simple question)
  27. Upgrading Meridian G68 Power Supply
  28. What kind of line filter shall I use?
  29. replacement of three pin rectifier with new two pin for transformer
  30. smps spilt supply
  31. gainclone lm4780's supply voltage, please advice.
  32. Which industrial transformer to repurpose?
  33. Small SMPS's for preamps/DSPs
  34. Two (or more) transformers to increase power ??
  35. .1 or .01 ps bypass caps
  36. Crying 12V PWM Powersupply
  37. Problem with Hypex SMPS400/67 (OEM V4)
  38. psu problems
  39. clclcrcrc or crcrclclc?
  40. clclcrcrc or crcrclclc?
  41. amp wont turn off
  42. Core choice for power transformer
  43. Battery cut off circuit
  44. Need help on phase splitter
  45. Quick Power Supply Question
  46. Tube rectifier
  47. Mathematically challenged help for lm 317-337
  48. Is this off-line flyback? B+ switch, Startup troubleshooting steps?
  49. Need 16V rails from an F5 Power Supply
  50. Step down transformer voltage
  51. Help repair a power inverter
  52. Sanding down Hammond transformers
  53. transformer primary winding turns
  54. ISCO 494 ELECTROPHORESIS modified to 1200V 300mA
  55. Having trouble with PS math
  56. 7815 and 7915, which type A or C?
  57. GM-3000 diagram
  58. DC amps on the output of a regulated PSU
  59. Stacking Cores
  60. options for high amperage voltage regulation
  61. Rectifier Boards
  62. Erno Borbely All FET low-noise super shunt regulator
  63. Understanding PFC chips
  64. toroidals together
  65. How these work?...smps
  66. Here is an elegant (insane?) way of converting 220V to 110V
  67. What is the elegant way to convert 220? to 110V?
  68. Ta3020 linear psu Design help
  69. Hum in output of powered subwoofer
  70. can some one please help me id this capacitor, its an easy one for an expert im sure!
  71. Audio Alchemy DAC V1.1 power supply
  72. Determining appropriate frequency when winding a transformer
  73. Center-tap Choke
  74. How to connect a toroidal transformer
  75. step down 200W SMPS
  76. Are these line filters any good?
  77. Push-Pull Mosfet Drivers Help Needed!!!!
  78. Stop feedback from capacitors into power...
  79. X2, AC Line Capacitors
  80. Availability of 3-phase AC mains supply at High-power Audio Installations
  81. HQ-CCS
  82. Mounting an External Amplifier power supply??
  83. New Muse PSU for TA2024? Anyone seen this before?
  84. Making a switching supply quieter?
  85. to where do I connect the grounding terminal of an IEC connector?
  86. reducing V and filtering ripple from chipamp PS for op amps
  87. Thermistor for an 120VA toroid transformer
  88. buck converter using LT3845
  89. scheme for slow inclusion around 3 - 4 seconds
  90. Discrete low current HV supply
  91. voltage regulator module?
  92. Diodes in parallel
  93. MCU controlled PSU
  94. Flux Density in Car SMPS Toroid
  95. Noobs guide to smps- web/text references
  96. Mesure DC in AC outlets Cant find what is making noise in my AC 30CCX Help!!! !!!
  97. duel power supply design help
  98. Inductors for CLC filter
  99. 90v to 500v i\p
  100. 6.3 filament from 5vac winding
  101. Hypex SMPS a minor Tweak
  102. Rectifier diodes
  103. High value capacitor between Hot and Neutral at AC inlet?
  104. Computer SMPS driving T-Amp - noise
  105. Question about AC wall wart usage?
  106. Smps Transformer series or parallal
  107. E-I core
  108. Help to chose transformer
  110. Help modifying a power supply
  111. Lab Power Supply Design / Build
  112. Wanted: Op-amp with single supply, 32V or more, and rail-rail capability
  113. specifications for Bando ats1540 for pioneer amp a105
  114. two transformer power supply wiring
  115. TNY266 flyback switcher
  116. Fluorecent choke for power supply
  117. connex electronic soft start questions
  118. Smart Battery Powered Circuit
  119. 371b power supply
  120. Switching power supply
  121. Powering the preamp from power amp PSU
  122. How to reduce PWM fan noise
  123. need little help with smps
  124. Using 33000uF caps in chipamp.com PSU?
  125. Q about connecting transformer 6v-0-6v
  126. current limiting for power supply
  127. Voltage doubler questions
  128. How to wire transformer?
  129. help needed with tube voltage power supply
  130. EMI choke before switching power supply
  131. Electronic fuse
  132. Simple rectifier/filter board
  133. cant find a decent SMPS for a current project.
  134. Simple DIY buffer PSU
  135. Solid State Relays
  136. Replacing wall wart questions?
  137. HV B+ switch
  138. PSU for car radio
  139. Museatex Meitner PP300 psup
  140. Help needed on CCS from the PSU Guru's
  141. SMPS to amp Boards connection
  142. 1kW LLC converter
  143. DC-DC step up converter?
  144. Help needed - reservoir capacitor after reservoir capacitor
  145. Earthing Questions
  146. 24v\25amp smps
  147. Impossible Ebay Item - Or not?
  148. Building a bench power supply
  149. Simple SMPS using 8 pin PIC microcontroller.
  150. Regulator topology design philosophy
  151. Power Supply for 500W+500W Amplifier
  152. basic question for a power adaptor with TA2024
  153. flux again
  154. Any problems with SMPS in series?
  155. Cheap Phase/Gain analyzer
  156. 12V AC adapter to 5V
  157. large (>18VA) 9VAC transformers hard to find, 8V? 10V?
  158. current transformer in older AT psu-s
  159. Behringer europower pmh1000 blown psu
  160. TAS5706A Class D Power Supply (Linear vs SMPS)
  161. Power Supply Help Needed
  162. Effect of combining capacitors?
  163. Wall wart alternative/AC power supply design & housing questions
  164. Mosfet Quiet Bootstrap
  165. Capacitor questions for a 6x4 supply.
  166. Isolation Transformers Power Requirements
  167. PSU for multiple amps/effects
  168. Tube preamp PSU
  169. LC networks in typical audio PSU applications
  170. Xentek 5kva isolation transformer runs hot!
  171. 15-0-15 supply slightly unbalanced
  172. Power Supply Case Size
  173. Bleeder Resistor
  174. Bleeder Resistor
  175. QP-4275 Power supply repair
  176. Cyrus 3i Modification to use PSX-R
  177. History of SMPS in audio ??
  178. What size of screw and torque screwdriver do I need for Cambridge Audio A1MK3?
  179. unstable emitter followers and odd behavior
  180. HI currenr Regulator
  181. Virtual ground in power amp applications
  182. Four pole (Jenssen) Capacitor question
  183. Electrolitycs?
  184. A circuit diagram from PCB layout and components
  185. where buy transformer
  186. Can I drive a valve circuit with no mains transformer?
  187. Keantoken's CFP cap multiplier
  188. Active Wharfedale Diamonds Transformer
  189. balanced ps from 2 lead tranny
  190. mains filter
  191. How to rate current from SMPS??
  192. Offline full-bridge SMPS
  193. Need help cleaning my waveforms on a simple half-bridge
  194. very simple question
  195. TL431 comparison
  196. LM337 and AN-181
  197. Help connecting power wires in Amp Head
  198. Need to knock a few volts off..!
  199. Is it worth potting the transformer and PSU caps of my Firstwatt f2
  200. Monster Cable HTS 5100mkii
  201. Adjusting a SMPS output
  202. Hypex SMPS - 12V Trigger (25mA)
  203. Scored preamp power supply, want opinions
  204. Batteries for power amps?
  205. Low-noise mains power for my device?
  206. 0 to 100V digitally controlled supply
  207. Question Regarding Soft-Start
  208. 35+35 800w smps
  209. 0ne 100uF cap or ten 10uF caps (or two 200uF caps...etc)
  210. Computer power supply
  211. Simple Xformer+R (oh, mysterious R!) question
  212. Using PC PSU for Sure 4x100 amp board
  213. quasi variac controlled wallwart
  214. preamp supply LOW power LOW noise LOW cost
  215. how do i convert 220VAC to 220VDC?
  216. Snubbing power switch properly
  217. Synchronous rectifier
  218. Mfg: ReQuest IMC IQ88
  219. Topologia of the fountain ATX seventeam, design of the trafo
  220. soft start help
  221. Commercial Mains Filters - Good or bad idea?
  222. Xfrmr secondary phasing
  223. Need a little help with UPS as inverters
  224. cheap simple way to drop 3-5v
  225. What happens with an output choke on a SMPS
  226. SMPS Core question
  227. Unregulated Power PCB
  228. Problem with tube regulator?
  229. New fan for KEPCO SM-160-1M
  230. dual lm3886 41hz supply?
  231. Inexpensive low profile 50,000 uF 60V caps in PSU
  232. Battery management system - how complicate is it ?
  233. Dual PSU layout - how does this look?
  234. Placing capacitor close to a power transformer
  235. Compare IGBT-losses and MOSFET-losses
  236. How to schematic switching power supply full bridge ?
  237. SLA Batteries - Advantages over Wall Warts
  238. How much does a 300 VA trafo weigh
  239. Any tips on how to include two power supplies safely and efficiently?
  240. How to protect circuits from reverse current flow?
  241. MOSFET body diodes in phase shift smps
  242. Questions
  243. need a smallish 24v 5A power supply ..
  244. When selecting DC connector plugs and sockets how do you make sure they match?
  245. power down
  246. First Power Supply
  247. ARC style regulated psu, tubed
  248. Choosing transformer for desired wattage
  249. Discrete Regulator for VAS and Input Stage
  250. Question about measuring DC output ripple

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