View Full Version : Power Supplies

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

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