View Full Version : Power Supplies

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  1. How to measure rectifier recovery current pulses
  2. Anyone here understand volt-amps?
  3. New power supply for Quad 405
  4. Rectifier giving out over 3x AC voltage
  5. Do batteries still rule?
  6. 50V Power Supply
  7. Beginner Help.
  8. Preamp remotely turning on Monoblock PSUs
  9. Polytone power supply rehab..can u help?
  10. 12v AC - 300v regulated DC switched power supply
  11. Regulated Capacitance Multiplier Supply Board
  12. 2kw pull-push offline smps
  13. Dual supply using 2 transformers +170-0-170
  14. What SMPS topology is this?
  15. Negative and positive regulated supply:same winding?
  16. Power supply cap mod
  17. Relay between power supply and IV stage causes an audible click
  18. lm338 psu
  19. help finding used SolaHD Power Supply
  20. Selectronic Rcore Transformers
  21. Convert SMPS from half to full bridge
  22. Power supply simulating problem
  23. What's wrong with this circuit?
  24. Tranny hookup
  25. Tranny hookup
  26. select power for bridge rectifier
  27. LM317 safe operating temperature
  28. Droping Resistor.
  29. 845 Heater Power supply problems
  30. Relay to turn on amp using 12v trigger
  31. DIY KIT Power supply for Squeezebox duet and Touch
  32. Toroid transformer and big voltage drop
  33. How to power these boards on DC?
  34. Quick (stupid?) question on paralleling PSs
  35. PSU choke
  36. Snubber caps with sic rectifiers?
  37. UC3854 LTspice model
  38. High voltage step-down switching regulator
  39. Revie my +-15V and +5V power supply
  40. 6V6 veriable tube regulated
  41. help with power supply, really stressed
  42. TNY256 - what is that "Y1 Safety" capacitor for ?
  43. Single vs Parallel Capacitor
  44. Minimax MW1125 to power NE5532
  45. smps for car audio with TL494
  46. usb power supply for audio
  47. Tivoli Model One - Supply overvoltage, where to look for repair
  48. Need help:Power supply Capacitor!
  49. Logitech Z5500 220V 50Hz to 220V 60Hz
  50. Actual power rating of resistor?
  51. series regulated power supply with feedback for Nelson Amplifier
  52. Transformer mains wiring
  53. Guitar Pedal Power Supply
  54. Anyone listened to Li-ion batteries?
  55. P/S Cap Orientation Question
  56. Small, high quality 15v PS to drive an SE/SE Wire
  57. the best design for a <15A linear regulator for solar power supply
  58. ASK HU power supplies
  59. Toroidal transformer isolation
  60. Power transformer question.
  61. Trip GFI
  62. Circuit for mic phantom power
  63. fuse type and rating
  64. How to Configure Audio Input as Power Switch?
  65. how to simulate schematic
  66. Why no FWB output for SMPS
  67. Power transformer question, any helpful suggestions welcome
  68. +/-15V supply for op-amps
  69. rca 14BT power supply
  70. Variacs - testing, listening?
  71. Power Supply Problem Help!!!
  72. TA2020 Amp and 12V 7Ah SLA Battery??
  73. I super need 12V to +-85V 20A POWER SCH
  74. Sola Transformer?
  75. General Power Supply Questions
  76. Power transformer
  77. Flyback with LT1372/1377
  78. Isolated vs non-isolated DC converters for car audio amplification
  79. Replacement transistor for DTC 143 es
  80. Y1 and Y2 Capacitor in SMSP circuit
  81. Loading Papa's regulator with 2 F5 channels?
  82. Winding SMPS transformer
  83. 576W SMPS for car audio amplifier
  84. Were did the power go
  85. 24V 4.5A PSU fell in my lap. Using it as mains power and NiMH Charger?
  86. PSUD help - 26 heater
  87. using Lambda SMPS as constant current source
  88. Charging 12V SLA from car
  89. 2SK1020 inverter switching
  90. TL431 Problem in SMPS circuit
  91. Capacitor advice needed
  92. Inductors in Power Supplies
  93. 24VDC to ~15VDC without a regulator
  94. Building my own 24V Battery Pack. Chargers?
  95. Mains relay help please :D
  96. Need help with a Sherwood rd 6502 transformer.
  97. power supply 6d22S
  98. fixing torodial xformers to a chassis
  99. SMPS topologies.
  100. snubber designing for full bridge power supply
  101. 12VDC power supply
  102. smps switching frequency and noise
  103. 1kw offline smps new
  104. strange ripple noise in DC power supplies ?
  105. 7905 bypass current
  106. Transformer secondary voltage reduction
  107. Linear LED driver
  108. Variac power supply simulation in PSUD2
  109. LTspice simulation
  110. transistor as power switch
  111. 10.2VAC for 9VAC units?
  112. Power conditioner filter
  114. HV Regulation using variable series LV supply?
  115. PSUDII simulation vs reality
  116. Hammond 182V24 and 182S24
  117. Please help me mend this power supply board.
  118. Boostor, an ideal companion for a Circlophone on the move
  119. Isolation Transformer
  120. 12 VDC to 120 VAC inverters
  121. Capacitance Multiplier question
  122. Dual Polarity PSU Question
  123. Dual voltage from a battery
  124. LM317 CCS in DC Power supply - Does HF performance matter?
  125. How to fix it?
  126. pin out for the 3 pin mini din of Wadia 170i
  127. 9VDC battery powered power supply
  128. I display
  129. Exceeding transformer's voltage rating
  130. The Well Regulated Power Supply
  131. What power supply is this and how does it work
  132. why not 3 phase?
  133. Maximum DC power for a Transistor before heatsink necesssary?
  134. Sony Transformer output
  135. LM3886+6n11 amp build question
  136. Why is my mains like this? Is this normal?
  137. Adjustable 0-24V 1A bench PSU
  138. Need help finding a 26.5V PSU
  139. 216 watt toroidal txr
  140. X-capacitor
  141. Simple linear reg short circuit LED
  142. Faulty Marantz Power Amplifier Supply!
  143. SMPS from Linn Exotik - any good
  144. protection circuits (swith circuit)
  145. Bruel and Kjaer type 2803 Dual Microphone Power Supply Service Manual
  146. Keeping Shunt current output consistent
  147. SMPS PSU from Oberheim Xpander not working need help
  148. topology best choice
  149. SMPS Help
  150. Best approach for dual-voltage supply for 6EM7 amp?
  151. Newb power/speaker questions
  152. Suggestions for Ultrafast Diode.
  153. atx linear power supply newbie help
  154. Placid BP 3.1
  155. Am I loosing power somewhere?
  156. Disk capacitor replacement/upgrade
  157. ±45v lm317?
  158. Need help locating transformer
  159. Simple Mosfet Regulator
  160. Quick question on ps requirements, mainly cap sizes
  161. power on?
  162. What the hell happened to transformer prices
  163. 2nd Xfmr with Flyback Converter
  164. Recap sansui au-d101
  165. simple question
  166. Choke formula - Marty Brown
  167. Any Opinions on Tube-Rectifiers & PWR-Sup. sag on purpose for guitar amps?
  168. What does 25+25V mean?
  169. Somewhat unknown toroidal transformer specs, how to find out more?
  170. A simple PushPull balance LED indicator?
  171. Need help to fit caps on PCB
  172. Proper grounding with more then one PSU
  173. CT transformer Amperage Question
  174. Suggestions for my SMPS
  175. Reduce Output Noise and International SNR standard
  176. Jacks for Power Supplies
  177. Help! Battery charger +/- 41,2V with TL783
  178. low CAp Values on P.S. HI-voltage?
  179. Jolida SJ-592a Amp
  180. connecting primaries in series
  181. Hands off! ..or is it just different in the US
  182. Electric fields
  183. Rewire 240V toroidal transformer for 120V
  184. Altec Lansing Supply - Please Help Identify
  185. Sansui Power Transformer
  186. Arcam CD72 power supply
  187. Please help a mathematically challenged builder
  188. Trans with two pairs of primaries and two pairs of secondaries = two transformers
  189. Bypass caps, worth it ?
  190. Output EMC filter of smps & instability
  191. Float charger? Cut off at 13.5v rest until 12.5v before switch on?
  192. Is PSUD II trust-worthy or not?
  193. Change 230 V to 115 V power transformer
  194. How does iron quality affect the power supply?
  195. Condenser mic capsule polarizing supply
  196. Adjustable Voltage Regulator Tripping GFI
  197. Souncraft spirit F1
  198. USB charger - how to check?
  199. Adapting SMPS adapters
  200. Linear's LT3080 Regulator
  201. Expert Help on Mains Transformer?
  202. Highest power flyback not needing fan?
  203. Meanwell SMPS question
  204. Building a Small Power Supply
  205. Somthing better than the LM7812
  206. Push-Pull 12V-200V 750w using Toroidal Transformer
  207. 12v DC wall wart creating noise
  208. sony mini diodes
  209. supply for volume control
  210. Chassis vibration ! How to solve ?
  211. I thought it was a myth...
  212. SMPS or linear power supply in amp?
  213. Power of SMPS for speakers?
  214. 24V DC computer fan speed control
  215. Linear 19v/3A PS Recommendations
  216. What about these regulators?
  217. MOSFET Source Follower Screen Grid Regulator
  218. ESP P05B power supply noise?
  219. Low Noise +-10V regulator
  220. DC-DC converter for vacuum tube heaters
  221. SMPS transformer design tool (ver.4000)
  222. help zx 750.1 kicker
  223. how to eliminates AC spikes
  224. Where are the simple diy SMPSe for Class-D-Amps?
  225. SMPS300R or SMPS500R for UCD400
  226. "Ground Loop" in Snubberized PSU *fixed*
  227. calculating PS resistor values
  228. Capacitance after regulator
  229. What can go wrong with a power conditoner?
  230. PS for a MKII tripath TA2024 Amp 2x15W
  231. Diy power softstart with cool fonctions
  232. Will This battery work?
  233. Thermistor rating
  234. Hello about switching power
  235. SMPS Negative Rail Effectively Ground?
  236. Q-factor of home made inductors
  237. +/-35V and +/-12V power supply
  238. Switchable PSU for gainclone & class A
  239. Fosgate amp blowing power wire fuse
  240. Inductive PSU, SMPS and PI filters
  241. +/-30vDC @ 10A PSU
  242. Distortion in ac mains supply ?
  243. Ringing/Oscillation in amplified zener sim
  244. df 45 japan
  245. PSU Snoring ¿What does it mean?
  246. My new psu
  247. Split power supply hiss TDA7294
  248. small PSU using 2 reg. 7808 and LT 3080 (5V)
  249. Power supply for guitar preamp
  250. Question about trafo

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