View Full Version : Power Supplies

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  1. Toroidal transformer help!
  2. Help needed for tube power supply design with unknown choke..
  3. Adaptor question
  4. Quad 405 transformer removal
  6. Questions re: ripple in this simple shunt zener PS
  7. 24v SLAs Resistor Voltage drop
  8. Glassware PS-1 problem
  9. Power supply for 2x4 Minidsp
  10. Power Supply Voltage Regulator Problem
  11. +-45vdc regulated power supply schematics needed.
  12. secondary in parallel/series with primary
  13. Unregulated power supply output impedance
  14. About RCD snubber ckt
  15. magnetizer power supply
  16. What makes it a "Lab" supply?
  17. Preventing the inrush current saturation in a toroidal/EI transformer
  18. 5V Linear power supply design
  19. heater regulator
  20. Power transformer question
  21. 9VAC Wall Wart Power Supply
  22. 20 Khz 800 volts power supply for ultrasonic welder
  23. How to build 24v 2A Single Rail?
  24. Tube Power Supply Help
  25. Using constant current source as voltage regulator
  26. Hiraga power supply
  27. constant current vs current limit
  28. DC-DC variable voltage and current lab power supply
  29. Help needed for Pioneer SA-500.
  30. Bipolar Supply, Unbalanced Load
  31. Some One Guide This SMPS NEWBIE
  32. Ventilating Transformers
  33. Tranny with multiple primary winding
  34. Remote control switch for power amplifier
  35. Gainclone preamp problem, something wrong with psu?
  36. convert +12 to +/-12
  37. LM1084 5.0 need 6v
  38. Power sensor/detector
  39. Wanted - Schematic diagrams for Artesyn ( Sun V880 Server ) Power Supplies.
  40. Cap for tube power supply
  41. Quick question on grounding procedure
  42. Correct Fitting of DC Blockers
  43. possible to achieve 1kw with uc3842?
  44. Regulated +80V Supply ....
  45. Where can I get transformer for this (USA)?
  46. Power Supply Resevoir Size
  47. Power Transformer gave out..need help!
  48. Audio DSP Power Supply
  49. Question about Solar panel charging for my boombox
  50. Another Soft Start Circut
  51. DPS-600 fast regulated smps for Wire-Amp
  52. crossed wires
  53. What's wrong with a PSU like this?
  54. Where do you buy your toroidal transformers from?
  55. BOSE 1602
  56. How to measure rectifier recovery current pulses
  57. Anyone here understand volt-amps?
  58. New power supply for Quad 405
  59. Rectifier giving out over 3x AC voltage
  60. Do batteries still rule?
  61. 50V Power Supply
  62. Beginner Help.
  63. Preamp remotely turning on Monoblock PSUs
  64. Polytone power supply rehab..can u help?
  65. 12v AC - 300v regulated DC switched power supply
  66. Regulated Capacitance Multiplier Supply Board
  67. 2kw pull-push offline smps
  68. Dual supply using 2 transformers +170-0-170
  69. What SMPS topology is this?
  70. Negative and positive regulated supply:same winding?
  71. Power supply cap mod
  72. Relay between power supply and IV stage causes an audible click
  73. lm338 psu
  74. help finding used SolaHD Power Supply
  75. Selectronic Rcore Transformers
  76. Convert SMPS from half to full bridge
  77. Power supply simulating problem
  78. What's wrong with this circuit?
  79. Tranny hookup
  80. Tranny hookup
  81. select power for bridge rectifier
  82. LM317 safe operating temperature
  83. Droping Resistor.
  84. 845 Heater Power supply problems
  85. Relay to turn on amp using 12v trigger
  86. DIY KIT Power supply for Squeezebox duet and Touch
  87. Toroid transformer and big voltage drop
  88. How to power these boards on DC?
  89. Quick (stupid?) question on paralleling PSs
  90. PSU choke
  91. Snubber caps with sic rectifiers?
  92. UC3854 LTspice model
  93. High voltage step-down switching regulator
  94. Revie my +-15V and +5V power supply
  95. 6V6 veriable tube regulated
  96. help with power supply, really stressed
  97. TNY256 - what is that "Y1 Safety" capacitor for ?
  98. Single vs Parallel Capacitor
  99. Minimax MW1125 to power NE5532
  100. smps for car audio with TL494
  101. usb power supply for audio
  102. Tivoli Model One - Supply overvoltage, where to look for repair
  103. Need help:Power supply Capacitor!
  104. Logitech Z5500 220V 50Hz to 220V 60Hz
  105. Actual power rating of resistor?
  106. series regulated power supply with feedback for Nelson Amplifier
  107. Transformer mains wiring
  108. Guitar Pedal Power Supply
  109. Anyone listened to Li-ion batteries?
  110. P/S Cap Orientation Question
  111. Small, high quality 15v PS to drive an SE/SE Wire
  112. the best design for a <15A linear regulator for solar power supply
  113. ASK HU power supplies
  114. Toroidal transformer isolation
  115. Power transformer question.
  116. Trip GFI
  117. Circuit for mic phantom power
  118. fuse type and rating
  119. How to Configure Audio Input as Power Switch?
  120. how to simulate schematic
  121. Why no FWB output for SMPS
  122. Power transformer question, any helpful suggestions welcome
  123. +/-15V supply for op-amps
  124. rca 14BT power supply
  125. Variacs - testing, listening?
  126. Power Supply Problem Help!!!
  127. TA2020 Amp and 12V 7Ah SLA Battery??
  128. I super need 12V to +-85V 20A POWER SCH
  129. Sola Transformer?
  130. General Power Supply Questions
  131. Power transformer
  132. Flyback with LT1372/1377
  133. Isolated vs non-isolated DC converters for car audio amplification
  134. Replacement transistor for DTC 143 es
  135. Y1 and Y2 Capacitor in SMSP circuit
  136. Loading Papa's regulator with 2 F5 channels?
  137. Winding SMPS transformer
  138. 576W SMPS for car audio amplifier
  139. Were did the power go
  140. 24V 4.5A PSU fell in my lap. Using it as mains power and NiMH Charger?
  141. PSUD help - 26 heater
  142. using Lambda SMPS as constant current source
  143. Charging 12V SLA from car
  144. 2SK1020 inverter switching
  145. TL431 Problem in SMPS circuit
  146. Capacitor advice needed
  147. Inductors in Power Supplies
  148. 24VDC to ~15VDC without a regulator
  149. Building my own 24V Battery Pack. Chargers?
  150. Mains relay help please :D
  151. Need help with a Sherwood rd 6502 transformer.
  152. power supply 6d22S
  153. fixing torodial xformers to a chassis
  154. SMPS topologies.
  155. snubber designing for full bridge power supply
  156. 12VDC power supply
  157. smps switching frequency and noise
  158. 1kw offline smps new
  159. strange ripple noise in DC power supplies ?
  160. 7905 bypass current
  161. Transformer secondary voltage reduction
  162. Linear LED driver
  163. Variac power supply simulation in PSUD2
  164. LTspice simulation
  165. transistor as power switch
  166. 10.2VAC for 9VAC units?
  167. Power conditioner filter
  169. HV Regulation using variable series LV supply?
  170. PSUDII simulation vs reality
  171. Hammond 182V24 and 182S24
  172. Please help me mend this power supply board.
  173. Boostor, an ideal companion for a Circlophone on the move
  174. Isolation Transformer
  175. 12 VDC to 120 VAC inverters
  176. Capacitance Multiplier question
  177. Dual Polarity PSU Question
  178. Dual voltage from a battery
  179. LM317 CCS in DC Power supply - Does HF performance matter?
  180. How to fix it?
  181. pin out for the 3 pin mini din of Wadia 170i
  182. 9VDC battery powered power supply
  183. I display
  184. Exceeding transformer's voltage rating
  185. The Well Regulated Power Supply
  186. What power supply is this and how does it work
  187. why not 3 phase?
  188. Maximum DC power for a Transistor before heatsink necesssary?
  189. Sony Transformer output
  190. LM3886+6n11 amp build question
  191. Why is my mains like this? Is this normal?
  192. Adjustable 0-24V 1A bench PSU
  193. Need help finding a 26.5V PSU
  194. 216 watt toroidal txr
  195. X-capacitor
  196. Simple linear reg short circuit LED
  197. Faulty Marantz Power Amplifier Supply!
  198. SMPS from Linn Exotik - any good
  199. protection circuits (swith circuit)
  200. Bruel and Kjaer type 2803 Dual Microphone Power Supply Service Manual
  201. Keeping Shunt current output consistent
  202. SMPS PSU from Oberheim Xpander not working need help
  203. topology best choice
  204. SMPS Help
  205. Best approach for dual-voltage supply for 6EM7 amp?
  206. Newb power/speaker questions
  207. Suggestions for Ultrafast Diode.
  208. atx linear power supply newbie help
  209. Placid BP 3.1
  210. Am I loosing power somewhere?
  211. Disk capacitor replacement/upgrade
  212. 45v lm317?
  213. Need help locating transformer
  214. Simple Mosfet Regulator
  215. Quick question on ps requirements, mainly cap sizes
  216. power on?
  217. What the hell happened to transformer prices
  218. 2nd Xfmr with Flyback Converter
  219. Recap sansui au-d101
  220. simple question
  221. Choke formula - Marty Brown
  222. Any Opinions on Tube-Rectifiers & PWR-Sup. sag on purpose for guitar amps?
  223. What does 25+25V mean?
  224. Somewhat unknown toroidal transformer specs, how to find out more?
  225. A simple PushPull balance LED indicator?
  226. Need help to fit caps on PCB
  227. Proper grounding with more then one PSU
  228. CT transformer Amperage Question
  229. Suggestions for my SMPS
  230. Reduce Output Noise and International SNR standard
  231. Jacks for Power Supplies
  232. Help! Battery charger +/- 41,2V with TL783
  233. low CAp Values on P.S. HI-voltage?
  234. Jolida SJ-592a Amp
  235. connecting primaries in series
  236. Hands off! ..or is it just different in the US
  237. Electric fields
  238. Rewire 240V toroidal transformer for 120V
  239. Altec Lansing Supply - Please Help Identify
  240. Sansui Power Transformer
  241. Arcam CD72 power supply
  242. Please help a mathematically challenged builder
  243. Trans with two pairs of primaries and two pairs of secondaries = two transformers
  244. Bypass caps, worth it ?
  245. Output EMC filter of smps & instability
  246. Float charger? Cut off at 13.5v rest until 12.5v before switch on?
  247. Is PSUD II trust-worthy or not?
  248. Change 230 V to 115 V power transformer
  249. How does iron quality affect the power supply?
  250. Condenser mic capsule polarizing supply

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