View Full Version : Power Supplies

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  1. Gigrac 1000st Power Supply
  2. Full Bridge SMPS is cheaper than Half-Bridge?
  3. LME49811 as a guitar amp.
  4. Extra leads from transformer, et al.
  5. Suggest a board - 18vac to 12vdc
  6. Onkyo amp expert help needed.. or really anyone that can diagnose a problem
  7. Voltage remains constant, right?
  8. First PSU, got a question
  9. How to measure transformer output
  10. High capacitance vs load on Bridge rectifiers
  12. Regulation of +/-50V SMPS for Class D?
  13. SMPS 100V 1A with PFC Help Needed
  14. SMPS Output Inductor Design
  15. A little sourcing help
  16. Ferrite transformer SMPS-help!
  17. My first Jung regulator: help needed
  18. PFC EVM as 390V + 6.3V tube supply
  19. Power flow to Class D guitar amplifier
  20. ILP traffo info needed
  21. How to measure reverse recovery of HFA08TB60....
  22. Musical Fidelity P-140X PowerAmp without Transformer, need help!
  23. Completed my 450W SMps with Active pfc
  24. Connex A1000SMPS
  25. Project for the SMPS 350W!
  26. Two amps on one transformer?
  27. Transformer Selection
  28. AC Voltage on ungrounded SMPS output
  29. Carver CT-Seven transformer
  30. EMI Suppressing Capacitors
  31. Audio SMPS with PFC is overengineered?
  32. Power supply project
  33. Tying it all together - Low Noise Internal System Grounding
  34. Lowering power supply noise - looking for ideas
  35. LTC4365 protection IC
  36. SPower 78xx replacement
  37. Class D SMPS...with coupled inductor output?
  38. How do power leads make a difference to sound?
  39. Mains rectifier currents into SMPS
  40. Amp toroidal transformer
  41. BUF634 as power source for Bugle?
  42. Listening directly to DC Power Supplies
  43. reading an electrolytic capacitor can
  44. Linear PS with no ground pin
  45. Other type of transistor use for audio (amplification or power safety system)?
  46. Soft starting, Shutoff OR current limiter circuit
  47. DNM T-network cap in conventional power supply??
  48. 12V(fixed) with 3 Amp current
  49. The BoomCase By Mr. SiMo
  50. 230V<->100V converter???
  51. Great 12V regulator chip for car...I think
  52. How old electrolytic capacitors can safely be used?
  53. 15v to 3v question
  54. Is a power conditioner worth it?
  55. A switch for 2 power source for a single amp
  56. Head Amp PS
  57. protection circuit for TL494 Based smps
  58. Digital audio and seperate power supplies
  59. Please . . . advice on filter caps
  60. Building a simple "soft start" speaker protection circuit
  61. Removing noise from power grid
  62. 6V -> 5V ?
  63. Problem with B&O ASP1000!
  64. Ceramic capacitor non-linearity
  65. Switch mode power supply w/ Voltage divider
  67. transformer rewinding
  68. Power Switch 'pop's frequency?
  69. Switcher EMC design
  70. Class D amp Regulated power supply??
  71. choosing transformer VA rating
  72. What transformer do I need?
  73. Inrush current in smps and it's inductors?
  74. how to test a power supply?
  75. Salas shunt help
  76. 2.5V to power LED
  77. Power Suppy 12v - 13,8v
  78. Valve power supply - How to size transformer?
  79. Marantz SR-7400 ps repair
  80. shelf oscilating psu
  81. behringer mx9000 - psu problem? or other?
  82. ATX power supply from 0...+/-40Vdc and 0...8A
  83. JVC Shelf Component System Power supply
  84. Shunt Regulator
  85. etd34 nt enough for 400w pfc
  86. Power supply build question from a first time Amp buldier
  87. Linear PSU circuit
  89. Paul Hynes, reliable?
  90. Janus shunt regulator problem
  91. JSR-01 super reg problem with -5vdc
  92. Help me understand ripple rateing please, I'm stuck.
  93. High Current Power Supply (no big transformer)
  94. Beginners attempt at a Bench Supply or Class A Regulated PSU based on LM317
  95. Fast diodes for power amps?
  96. Multi-voltage PS
  97. schematic for audio smps?
  98. SSLV1.1 builds & fairy tales
  99. Is this really an SMPS?
  100. power supply problem
  101. LM3886 as a PSU?
  102. Suggestions on PCB: LM317 As Walwart Regulator (1st Eagle PCB)
  103. Transformers with multiple secondaries - calculaing VA rating
  104. Need help in designing my PSU
  105. Bash Amp Power Supply Repair
  106. AC/DC umbilical cord
  107. 12v Regulator
  108. 360W SMPS lower or higher power (core and freq.)
  109. Virtual CT to divide voltage?
  110. combine stereo channel filaments ?
  111. Transformer problems...
  112. Help with -15V converter
  113. MAX current from AC single phase
  114. DAC PSU - capacitor sizes
  115. Charge a 12V SLA while using the amplifier.
  116. Problem with negative ALW superregulator
  117. power supply bypass cap size
  118. Flyback converter problems (UC3845 + MOSFET)
  119. Final verification of Protective Earth wiring
  120. SMPS Gnd, Chassis-Gnd, and Layer Stack
  121. Help With SMPS Transformer Size ID
  122. dc-dc full bridge boost
  123. My PCB design of Salas SHunt Reg
  124. Power factor correction for audio?
  125. is it possible to make a transformer out of choke?
  126. fear to power it up!!!
  127. 800W SMPS with no Power factor corrector
  128. Power Supply PCB for Randy Slone Totempole Amp
  129. SMPS with split rail output for Class D?
  130. PSU for class D...how reference controller?
  131. Split rail supplys for Class D amplifiers?
  132. Easiest way to supply +-60 and +-45 for cheapie ebay amp?
  133. calculating inrush to a capacitor bank
  134. Tony's latest traffo DIY build
  135. Simple dual PS
  136. LLC resonant SMPS not for guitar amps?
  137. using pc fan for cooling meanwell in case
  138. 40Amp / 700 microHenry Power Inductor
  139. modification of the BOZ power supply
  140. LM317T CCS Improvement
  141. Single 12v and +-12v needed, What options?
  142. DX Amp PSU with DC Protection
  143. PSU's for Squeezebox and USB D/A converter?
  144. 200W SMPS for Class D guitar amp
  145. Regulations for Audio Amp SMPS?
  146. Question: Subsituting Capacitors in Power Supply
  147. 700W PFC above 600V output
  148. how to get a bi-polar dc outputs from a single Battery!
  149. LiFePo4 charger ?
  150. Problem with using UC3855: Low output Voltage
  151. impact of the capacitors value increase
  152. Is this transformer okay?
  153. Simon Series Shunt Regulator
  154. HELP KRELL KRC power supply lead missing
  155. SMP Rails?
  156. Power Supply layout?
  157. WTD 120v AC regulation to 3% schematic?
  158. 12v to 70v 1400w what do you think?
  159. Can someone identify this mosfet manufacturer?
  160. need help with blown mosfets..plz....
  161. How are Transformer Watts Determined?
  162. Replacing Diodes in Vintage HP Power supply?
  163. multiple supply pls heelp
  164. Using a large 60hz toroid transformer as an SMPS transformer
  165. High Voltage Bridge Rectifier Confusion
  166. SMPS Trouble
  167. Half bridge Vs full bridge smps supplies
  169. transformer question
  170. Low Noise Linear regulator power supply
  171. High quality +/- 60v regulator options
  172. RC snubbers for diode recovery noise
  173. High Current Class A Amplifier Supply
  174. driving power mosfet with no gate resistor
  175. Simple regulated SMPS for my Ghettoblaster (pics)
  176. Power source for guitar amplifiers
  177. Duncan Designer II - Use of
  178. capacitor value help
  179. Silicon carbide rectifiers
  180. Duncan Designer II - Use of
  181. Inrush current limiter
  182. MIC pre-amps with switch mode supply
  183. Connecting centertaps together
  184. Regulated supply for power amp
  185. Are different sized power supply caps ok?
  186. LM1117 in DAC power supply
  187. How to connect PSU board to amp board?
  188. How do I measure amperage?
  189. Radio Spares 10,000uf polarity markings
  190. Some Wenzel "Cleanup" Sims
  191. Vicor Ripple Attenutation Module und Switched Power Supply
  192. 2x18VAC instead of 18-0-18
  193. Will this work-zener variable regulator
  194. Replacements reg´s circuits L7805 - Help.
  195. No power output on new SMPS
  196. storage caps AFTER the SMPS
  197. Field coil PS?
  198. power supply guide
  199. Hybrid Bridges
  200. parallel tube rectifier filaments
  201. wat the possiblities ??????
  202. Smallest (smd?) bipolar supply PCB/kit ?
  203. 400W PFC NEED HELP
  204. Local series regulators vs. global shunt regulator
  205. Diode regulator VS IC regulator.
  206. Help needed with complimentary pair.
  207. LM4780 Power Supply Capacitor
  208. arcam A80 Amplifier problem with power on button
  209. line filter
  210. What sort of PSU is this?
  211. 75VA EI or 80VA toroid.
  212. motorboating noise due to transformer?
  213. power for logic dm101
  214. Line voltage selector Revox B750 MK II blew up
  215. Transformer calculations
  216. Help with Victoria Magnetics Transformer
  217. Accu battery for LM3886
  218. Newbie attempt at a full-fledged Regulated PSU
  219. Lancing a wall-wart.
  220. spike problems
  221. Improve grounding - Does anyone know what this is about?
  222. Output voltage Alwsr super reg
  223. Question about 110V to 220V converter
  224. Could someone tell me a bit about this PS?
  225. inrush bypass using smps output
  226. Mic pre and phantom power PSU questions
  227. SMPS feedback path
  228. Boost converter
  229. How to reduce DC voltage ?
  230. Half Bridge SMPS series Capacitor selection
  231. Need recommendation for Salas Shunt type for AXO board
  232. Connecting a Meanwell s-350-27 to the mains power
  233. LM317 experiments and measurements
  234. Mounting an ei core sideways
  235. Tapping a main toroidal
  236. 750W SMPS
  237. need hel with smps txfr .........
  238. regulated PS grounding scheme questions
  239. 120 to 230 voltage automatic switch
  240. Cleaning up SMPS output
  241. Power Supply Questions
  242. I need 15 volts regulator from 40 volts DC
  243. Pre amp PSU
  244. Ground Hanger.....really!?!?
  245. Royer
  246. SMPS Forward Active Reset
  247. Low cost compact power supply for sub-mini tube preamp
  248. SMPS feedback compensation
  249. Permissable voltage sag?
  250. PS for t-amp, switching mode, where to get, DIY?

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