View Full Version : Power Supplies

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  1. Dropout voltage LM350
  2. 10a Voltage Regulator Circuit - Resistor Question
  3. Strange power supply regulation problem
  4. Need help with transformer....
  5. re-use PS from DVD player
  6. Simple +/-power supply ideas please
  7. Soft start with Atmel U2008B
  8. Blocking Mains DC Offset
  9. Looking for 12v 24v psu
  10. Power Supply Kit Questions from a beginner
  11. +-15VDC SMPS
  12. single supply op-amp question
  13. Power supply to bluetooth module
  14. Help with PS design
  15. Wiring transformer as 120V for 240V mains (Warning, probably a bad idea)
  16. MOS-FET CCS Issues
  17. Where is my voltage going?
  18. Dual voltage supply problem
  19. Raising the Vin+ on op-amp
  20. Dual rail secondary to single rail
  21. Effects of altering capacitances in this regulator
  22. New PSU for Power Amp
  23. diyAudio Power Supply Circuit Board v3 illustrated build guide
  24. How about this one then
  25. Help identify wires please.
  26. SG3524 SMPS help needed.
  27. Inrush Current on big capacitor bank
  28. Noise reduction on output of SMPS
  29. Converting Dell Server PSU to benchtop supply
  30. Toroid secondary colors help
  31. Help me select the proper transformer.
  32. Please help identify secondaries on my PT
  33. fake lm338?
  34. Low Wattage Bleeder Resistors
  35. A problem with this PS circuit
  36. LCD Panel Meters to Dual Power Supply
  37. Please help! transistor I.D.
  38. inductor for output smps
  39. Dual high V tracking linear regulator for review
  40. ONIX OA21 and SOAP compatibility
  41. resistors across main capacitors in amplifier
  42. power inverter blown
  43. A simple but low noise LT1761/LT1964 PSU design
  44. Capacitor question
  45. Experiences with different SMPS's
  46. Remote PS for Tube-Buffered Gainclone
  47. How hot you run your toroid transformer ?
  48. Linear regulated power supply.
  49. What kind of diodes...
  50. Power Supply Layout Question
  51. Symmetrical +/- 18V Opamp PSU module?
  52. Tracking SMPS vs brute force???
  53. Ringing in MOSFET during switching
  54. Step-up DC/DC dual Inverter Help
  55. High voltage PS - HSPY series
  56. A power supply: fell down, doesn't work
  57. SMPS Filament Supplies
  58. Pls help recommend me a low noise power supply
  59. Small step-up 12v to +/- 16v for pre-amp
  60. smps from pc
  61. Reservoir capacitor lifetime?
  62. wierd rectifier output
  63. Need help with DAC wiring w/R-Core tranformer
  64. JIMS Audio Kubota Regulator
  65. DC Inverter help
  66. Iso Transformer
  67. How to get +17V 0 -17 V dc with 2 regulated 17 V dc ?
  68. supply problem
  69. Surge arrester recall
  70. help me plzzzzzz
  71. toroidal core power
  72. TL431 or 6V8 Z-Diode
  73. UPS transformers for Audio amp?
  74. Battery/Alternator probelms ? helllpppp!!
  75. SMPS
  76. Voltage doubler and Negative generator
  77. Power MOSFET as simple analog switch
  78. Samsung Hometheater SMPS Repair
  79. Will this single power supply work for Minidsp, Gainclone AND Cold Amp S250?
  80. layout of ps for my mosfet amp
  81. Finish full stabilized 1200W power supply for my new project
  82. Just how noisy is a switched mode power supply?
  83. Question on power entry module
  84. Simple, no-math transformer snubber using Quasimodo test-jig
  85. Variable PS question
  86. Transformer operation
  87. Quck Q on split power supply ground reference?
  88. How to mount a toroidal transformer vertically?
  89. 24V DC, 700mA
  90. [ask] calculating ampere in toroidal transformers
  91. 2N3053 TO-220 equivalent
  92. "Noisy Transformer (Clicking)"
  93. Full wave centre tap versus bridge
  94. Transformer output?
  95. Speaker relays vs power supply softstart relays
  96. Explaining a PSU
  97. STK4192 amplifier circuit?
  98. Wharfedale PM700 Power Supply blown
  99. SMPS recommendation
  100. CCS + Zeners or resistors for 450V reference
  101. Battery charger for wider voltage range
  102. 48v Power supply for McCurdy Phono Pre
  103. Resettable fuses in power rails thoughts
  104. Regulated Negative Power Supply
  105. Bipolar ps from single ended transformer
  106. Ground Box, what is inside?
  107. effects of faulty lm78xx?
  108. Capacitor Support Apparatus
  109. Soft Start for EI Transformer necessary ??
  110. What diodes would you recommend?
  111. Thule PR-350B Upgrade
  112. PSU for esternal DAC
  113. Converting Kraken power supply from 220v to 110V
  114. Newbie asking about transformer
  115. 12 volt power supply
  116. ~180v regulator schematic needed!
  117. build power on 2 P88 and 1 PL 504 / 511
  118. Choosing a Power Transformer for Blame ST
  119. Power supply for LCD digital multimeter
  120. MB12A25V20 ok for audio
  121. Zener vs Led as reference
  122. Transformer Rating using dual bridge rectifier
  123. USB with separate linear power supply
  125. 317 based Charging circuit for battery powered Getto Blaster.
  126. design and construction of a 1kva switch mode inverter
  127. Quasi-Resonant SMPS For Audio,You need It?
  128. Coursera: Intro to Power Electronics (Course on SMPS)
  129. What to look for in a series pass mosfet
  130. Selecting rectifier diodes for high frequency or SMPS supplies?
  131. Transformer
  132. 6V6 Musical Machine Power Supply Problems
  133. Oscillations with multiple transformer setup
  134. voltage regulator for 6080 tube amp
  135. DC step down buck regulators
  136. LLC converter no load regulation problems UCC25600
  137. 300W SMPS for amp. from PC PSU
  138. Can you do this safely?
  139. Newbie Issues with 12V PS
  140. Upgrading capacitors in home theatre amplifier
  141. Simplified MrEvil / PMI Capacitance Multiplier
  142. Identifying Power Trannie from Sub?
  143. Class D backup power circuit
  144. Amplifier PSU Calculator
  145. Japanese power cord to US three prong
  146. Anode tube power supply (stabilized)
  148. 3200 Volt regulator
  149. +- 50v
  150. LT3080 simple problem ?
  151. 120v to +-70v?
  152. power supply?
  153. Resevoir capacitors for Chip Amps
  154. Help needed with a basic 12 volt high current regulator
  155. Cobbling together 12V for two mono amps.
  156. how to know transformer power rating
  157. Options for getting the proper voltage
  158. Ground not at 0V
  159. fully charged battery
  160. Power supply for DAC,
  161. forte f-45 power supply
  162. Power Supply for Tube Preamp
  163. Is this real? - simulation of parasitics
  164. hot amp
  165. 250V stabilizer ok?
  166. PSU for Gaincard - Questions
  167. Soft start
  168. LLC Converter maximum gap in core
  169. Efficient 12v to 5v step down converter without noise?
  170. Ripple/Motorboating help with Battery PSU
  171. Power Supply Voltage too High
  172. How to add a proper power meter to an amp?
  173. Where to find 120VAC to12VAC 2AMP POWER supply
  174. Why use a 1N4002 instead of a 1N4007
  175. Double C Core vs Single C Core
  176. Single supply vs. dual supply and noise, I can't find a proper solution
  177. TC Electronics G-Major Power supply failure
  178. Isolation transformer
  179. LT1963 - Pre Regulation
  180. Newbie needs help with small rechargeable battery selection (Thodio project)
  181. question about transformer current rating with a multitap secondary
  182. Identify this transformer...
  183. Please check this schematic.
  184. Lowering earth impedance--Earth spikes in Russ Andrews Book
  185. Building a power supply. Need some help
  186. Inrush protection of a PCB power transformer
  187. computer pci-e power and tri-path amps
  188. Mute Circuit Connections for My PSU
  189. 12vDC to 110vAC converter with 18v battery
  190. Quad secondary FW CT puzzle
  191. Grounding for dual mono PSU and digital PSU
  192. Can a PC power supply be stepped down.
  193. Separate supply for input/driver
  194. Toroid Rewind
  195. Taylor 1363 smps,help needed
  196. Accidentally Shorted Secondary Windings, Advice Needed
  197. Symmetrical power supply with two identical sources
  198. LM338 tracking preregulator and current limit
  199. Modding SMPS for audiophile performance
  200. Rechargeable Setup
  201. Dual Bridge problem
  202. New design with 1KV power transformer
  204. Low Noise/Ripple 24Vdc ±12 Psu (±100mA)
  205. Good Regulator for 7 - 8ma load
  206. Need PSU advice for 2x Class D amp modules
  207. Help for newbie - rechargable supply
  208. Transformer Ratings (for Simulation)
  209. 24 Volt operation Jung Regulator
  210. VA rating for an Iron Core transformer
  211. AC on DC wall warts
  212. Question About Transformer Voltage Output
  213. Must find replacement power transformer!
  214. Reducing voltage, diodes in series, dual PSU
  215. Need some help understanding
  216. Korg Sp-100 works with AC Power Supply but not with DC
  217. Isolated PSU with push-pull regulator
  220. Different Generations of Cree SiC Schottky Diodes
  221. Issue with a softstart module.
  222. Building a high voltage SMPS
  223. PSRR and Regulator Quality (Lm317 Vs Jung/Didden)
  224. Help troubleshoot a PS problem.
  225. Good power supply caps for my subwoofer Amp
  226. Wiring up two trafos to one IEC socket.
  227. HELP - DC45V to DC30V voltage regulator
  228. Need help with car amp PSU
  229. What value resistor(s)to use with capacitors in psu
  230. Honey Badger Power Supply
  231. Tube heater LM317 CCS vs Voltage mode?
  232. Sweet spot for power amp smoothing caps?
  233. positioning two transformer rings
  234. Stereo tri-amp supply - shared or separate?
  235. Transformers out of UPS systems
  236. Isolate or float ground on USB 5v power supply
  237. 1100W 450V Powersupply - Topology and Core
  238. Current Control Using TL494
  239. PSU capacitor - does age matter?
  240. Transformer overvoltage?
  241. What´s noise floor in audio amplifier?
  242. Re-do the PSU of my DVD-P
  243. Super regulator and cable length
  244. 12v to 5v iphone charger getting hot in my enclosure
  245. SMPS help
  246. SMPS question
  247. Noise in audio when charging USB
  248. The toroidal connection misty....
  250. SMPS - hissing noise from transformer

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