View Full Version : Power Supplies

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  1. constant current vs current limit
  2. DC-DC variable voltage and current lab power supply
  3. Help needed for Pioneer SA-500.
  4. Bipolar Supply, Unbalanced Load
  5. Some One Guide This SMPS NEWBIE
  6. Ventilating Transformers
  7. Tranny with multiple primary winding
  8. Remote control switch for power amplifier
  9. Gainclone preamp problem, something wrong with psu?
  10. convert +12 to +/-12
  11. LM1084 5.0 need 6v
  12. Power sensor/detector
  13. Wanted - Schematic diagrams for Artesyn ( Sun V880 Server ) Power Supplies.
  14. Cap for tube power supply
  15. Quick question on grounding procedure
  16. Correct Fitting of DC Blockers
  17. possible to achieve 1kw with uc3842?
  18. Regulated +80V Supply ....
  19. Where can I get transformer for this (USA)?
  20. Power Supply Resevoir Size
  21. Power Transformer gave out..need help!
  22. Audio DSP Power Supply
  23. Question about Solar panel charging for my boombox
  24. Another Soft Start Circut
  25. DPS-600 fast regulated smps for Wire-Amp
  26. crossed wires
  27. What's wrong with a PSU like this?
  28. Where do you buy your toroidal transformers from?
  29. BOSE 1602
  30. How to measure rectifier recovery current pulses
  31. Anyone here understand volt-amps?
  32. New power supply for Quad 405
  33. Rectifier giving out over 3x AC voltage
  34. Do batteries still rule?
  35. 50V Power Supply
  36. Beginner Help.
  37. Preamp remotely turning on Monoblock PSUs
  38. Polytone power supply rehab..can u help?
  39. 12v AC - 300v regulated DC switched power supply
  40. Regulated Capacitance Multiplier Supply Board
  41. 2kw pull-push offline smps
  42. Dual supply using 2 transformers +170-0-170
  43. What SMPS topology is this?
  44. Negative and positive regulated supply:same winding?
  45. Power supply cap mod
  46. Relay between power supply and IV stage causes an audible click
  47. lm338 psu
  48. help finding used SolaHD Power Supply
  49. Selectronic Rcore Transformers
  50. Convert SMPS from half to full bridge
  51. Power supply simulating problem
  52. What's wrong with this circuit?
  53. Tranny hookup
  54. Tranny hookup
  55. select power for bridge rectifier
  56. LM317 safe operating temperature
  57. Droping Resistor.
  58. 845 Heater Power supply problems
  59. Relay to turn on amp using 12v trigger
  60. DIY KIT Power supply for Squeezebox duet and Touch
  61. Toroid transformer and big voltage drop
  62. How to power these boards on DC?
  63. Quick (stupid?) question on paralleling PSs
  64. PSU choke
  65. Snubber caps with sic rectifiers?
  66. UC3854 LTspice model
  67. High voltage step-down switching regulator
  68. Revie my +-15V and +5V power supply
  69. 6V6 veriable tube regulated
  70. help with power supply, really stressed
  71. TNY256 - what is that "Y1 Safety" capacitor for ?
  72. Single vs Parallel Capacitor
  73. Minimax MW1125 to power NE5532
  74. smps for car audio with TL494
  75. usb power supply for audio
  76. Tivoli Model One - Supply overvoltage, where to look for repair
  77. Need help:Power supply Capacitor!
  78. Logitech Z5500 220V 50Hz to 220V 60Hz
  79. Actual power rating of resistor?
  80. series regulated power supply with feedback for Nelson Amplifier
  81. Transformer mains wiring
  82. Guitar Pedal Power Supply
  83. Anyone listened to Li-ion batteries?
  84. P/S Cap Orientation Question
  85. Small, high quality 15v PS to drive an SE/SE Wire
  86. the best design for a <15A linear regulator for solar power supply
  87. ASK HU power supplies
  88. Toroidal transformer isolation
  89. Power transformer question.
  90. Trip GFI
  91. Circuit for mic phantom power
  92. fuse type and rating
  93. How to Configure Audio Input as Power Switch?
  94. how to simulate schematic
  95. Why no FWB output for SMPS
  96. Power transformer question, any helpful suggestions welcome
  97. +/-15V supply for op-amps
  98. rca 14BT power supply
  99. Variacs - testing, listening?
  100. Power Supply Problem Help!!!
  101. TA2020 Amp and 12V 7Ah SLA Battery??
  102. I super need 12V to +-85V 20A POWER SCH
  103. Sola Transformer?
  104. General Power Supply Questions
  105. Power transformer
  106. Flyback with LT1372/1377
  107. Isolated vs non-isolated DC converters for car audio amplification
  108. Replacement transistor for DTC 143 es
  109. Y1 and Y2 Capacitor in SMSP circuit
  110. Loading Papa's regulator with 2 F5 channels?
  111. Winding SMPS transformer
  112. 576W SMPS for car audio amplifier
  113. Were did the power go
  114. 24V 4.5A PSU fell in my lap. Using it as mains power and NiMH Charger?
  115. PSUD help - 26 heater
  116. using Lambda SMPS as constant current source
  117. Charging 12V SLA from car
  118. 2SK1020 inverter switching
  119. TL431 Problem in SMPS circuit
  120. Capacitor advice needed
  121. Inductors in Power Supplies
  122. 24VDC to ~15VDC without a regulator
  123. Building my own 24V Battery Pack. Chargers?
  124. Mains relay help please :D
  125. Need help with a Sherwood rd 6502 transformer.
  126. power supply 6d22S
  127. fixing torodial xformers to a chassis
  128. SMPS topologies.
  129. snubber designing for full bridge power supply
  130. 12VDC power supply
  131. smps switching frequency and noise
  132. 1kw offline smps new
  133. strange ripple noise in DC power supplies ?
  134. 7905 bypass current
  135. Transformer secondary voltage reduction
  136. Linear LED driver
  137. Variac power supply simulation in PSUD2
  138. LTspice simulation
  139. transistor as power switch
  140. 10.2VAC for 9VAC units?
  141. Power conditioner filter
  143. HV Regulation using variable series LV supply?
  144. PSUDII simulation vs reality
  145. Hammond 182V24 and 182S24
  146. Please help me mend this power supply board.
  147. Boostor, an ideal companion for a Circlophone on the move
  148. Isolation Transformer
  149. 12 VDC to 120 VAC inverters
  150. Capacitance Multiplier question
  151. Dual Polarity PSU Question
  152. Dual voltage from a battery
  153. LM317 CCS in DC Power supply - Does HF performance matter?
  154. How to fix it?
  155. pin out for the 3 pin mini din of Wadia 170i
  156. 9VDC battery powered power supply
  157. I display
  158. Exceeding transformer's voltage rating
  159. The Well Regulated Power Supply
  160. What power supply is this and how does it work
  161. why not 3 phase?
  162. Maximum DC power for a Transistor before heatsink necesssary?
  163. Sony Transformer output
  164. LM3886+6n11 amp build question
  165. Why is my mains like this? Is this normal?
  166. Adjustable 0-24V 1A bench PSU
  167. Need help finding a 26.5V PSU
  168. 216 watt toroidal txr
  169. X-capacitor
  170. Simple linear reg short circuit LED
  171. Faulty Marantz Power Amplifier Supply!
  172. SMPS from Linn Exotik - any good
  173. protection circuits (swith circuit)
  174. Bruel and Kjaer type 2803 Dual Microphone Power Supply Service Manual
  175. Keeping Shunt current output consistent
  176. SMPS PSU from Oberheim Xpander not working need help
  177. topology best choice
  178. SMPS Help
  179. Best approach for dual-voltage supply for 6EM7 amp?
  180. Newb power/speaker questions
  181. Suggestions for Ultrafast Diode.
  182. atx linear power supply newbie help
  183. Placid BP 3.1
  184. Am I loosing power somewhere?
  185. Disk capacitor replacement/upgrade
  186. 45v lm317?
  187. Need help locating transformer
  188. Simple Mosfet Regulator
  189. Quick question on ps requirements, mainly cap sizes
  190. power on?
  191. What the hell happened to transformer prices
  192. 2nd Xfmr with Flyback Converter
  193. Recap sansui au-d101
  194. simple question
  195. Choke formula - Marty Brown
  196. Any Opinions on Tube-Rectifiers & PWR-Sup. sag on purpose for guitar amps?
  197. What does 25+25V mean?
  198. Somewhat unknown toroidal transformer specs, how to find out more?
  199. A simple PushPull balance LED indicator?
  200. Need help to fit caps on PCB
  201. Proper grounding with more then one PSU
  202. CT transformer Amperage Question
  203. Suggestions for my SMPS
  204. Reduce Output Noise and International SNR standard
  205. Jacks for Power Supplies
  206. Help! Battery charger +/- 41,2V with TL783
  207. low CAp Values on P.S. HI-voltage?
  208. Jolida SJ-592a Amp
  209. connecting primaries in series
  210. Hands off! ..or is it just different in the US
  211. Electric fields
  212. Rewire 240V toroidal transformer for 120V
  213. Altec Lansing Supply - Please Help Identify
  214. Sansui Power Transformer
  215. Arcam CD72 power supply
  216. Please help a mathematically challenged builder
  217. Trans with two pairs of primaries and two pairs of secondaries = two transformers
  218. Bypass caps, worth it ?
  219. Output EMC filter of smps & instability
  220. Float charger? Cut off at 13.5v rest until 12.5v before switch on?
  221. Is PSUD II trust-worthy or not?
  222. Change 230 V to 115 V power transformer
  223. How does iron quality affect the power supply?
  224. Condenser mic capsule polarizing supply
  225. Adjustable Voltage Regulator Tripping GFI
  226. Souncraft spirit F1
  227. USB charger - how to check?
  228. Adapting SMPS adapters
  229. Linear's LT3080 Regulator
  230. Expert Help on Mains Transformer?
  231. Highest power flyback not needing fan?
  232. Meanwell SMPS question
  233. Building a Small Power Supply
  234. Somthing better than the LM7812
  235. Push-Pull 12V-200V 750w using Toroidal Transformer
  236. 12v DC wall wart creating noise
  237. sony mini diodes
  238. supply for volume control
  239. Chassis vibration ! How to solve ?
  240. I thought it was a myth...
  241. SMPS or linear power supply in amp?
  242. Power of SMPS for speakers?
  243. 24V DC computer fan speed control
  244. Linear 19v/3A PS Recommendations
  245. What about these regulators?
  246. MOSFET Source Follower Screen Grid Regulator
  247. ESP P05B power supply noise?
  248. Low Noise +-10V regulator
  249. DC-DC converter for vacuum tube heaters
  250. SMPS transformer design tool (ver.4000)

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