View Full Version : Power Supplies

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  1. DC blockers and mains filters
  2. LM2679 short protection?
  3. Rectifier bridge connection for Gain Clone - dual secondaries, two channels
  4. Battery Chargers for 18-0-18 transformers
  5. Toroidal trans choice?
  6. 9 Volt Battery Charger Query
  7. MC34262
  8. TommyTommy, a PSU for the Calvin buffer
  9. smps transformer
  10. boombox permanent mains supply
  11. 12V Power Supply Help
  12. Old Computer Power Supply Mod
  13. a Capacitance Multiplier with over-voltage protection
  14. Switching PSU for TK2050 Class-D Audio Amplifier
  15. Capacitance multiplier using cascoded Darlingtons
  16. using regulator to limit AC secondary voltage - A possible or reasonable approach?
  17. LM3886 Power supply based on AN1849
  18. Which DIY PCB Power Supply Kit?
  19. TL494 Full Bridge 900 watt DC-DC converter
  20. Receiver illumination. Lower voltage
  21. Power supply board..
  22. Please help on toroidal stepdown transformer
  23. regulated power supply
  24. Grounding / Earthing
  25. Power supply bypass capacitor types
  26. Building myself a "brute force" linear, adjustable PSU...
  27. How to determine which wires?
  28. 12v-12v, isolated DC DC converter
  29. Fake LM2679 ?
  30. AC induction controls low power relay?
  31. Another capacitor ESR meter
  32. LM2679 question
  33. Hickok PS-503
  34. Center tap transformer grounded through caps
  35. Beefing up old PSU filter caps - advice needed!
  36. Help me understand this TNT-audio web page about snubbers
  37. My CMOS 555 chips have taken up smoking.
  38. Help a novice steadily build a linear 12V power supply?
  39. 150W DC-DC questions
  40. Regulated PSU for Single supply Amplifier
  41. Need help with overvoltage circuit - LM338k
  42. TPS7A4700 regulator board for dac AVDD
  43. TVS Diodes
  44. PSUD2?
  45. Dropout voltage LM350
  46. 10a Voltage Regulator Circuit - Resistor Question
  47. Strange power supply regulation problem
  48. Need help with transformer....
  49. re-use PS from DVD player
  50. Simple +/-power supply ideas please
  51. Soft start with Atmel U2008B
  52. Blocking Mains DC Offset
  53. Looking for 12v 24v psu
  54. Power Supply Kit Questions from a beginner
  55. +-15VDC SMPS
  56. single supply op-amp question
  57. Power supply to bluetooth module
  58. Help with PS design
  59. Wiring transformer as 120V for 240V mains (Warning, probably a bad idea)
  60. MOS-FET CCS Issues
  61. Where is my voltage going?
  62. Dual voltage supply problem
  63. Raising the Vin+ on op-amp
  64. Dual rail secondary to single rail
  65. Effects of altering capacitances in this regulator
  66. New PSU for Power Amp
  67. diyAudio Power Supply Circuit Board v3 illustrated build guide
  68. How about this one then
  69. Help identify wires please.
  70. SG3524 SMPS help needed.
  71. Inrush Current on big capacitor bank
  72. Noise reduction on output of SMPS
  73. Converting Dell Server PSU to benchtop supply
  74. Toroid secondary colors help
  75. Help me select the proper transformer.
  76. Please help identify secondaries on my PT
  77. fake lm338?
  78. Low Wattage Bleeder Resistors
  79. A problem with this PS circuit
  80. LCD Panel Meters to Dual Power Supply
  81. Please help! transistor I.D.
  82. inductor for output smps
  83. Dual high V tracking linear regulator for review
  84. ONIX OA21 and SOAP compatibility
  85. resistors across main capacitors in amplifier
  86. power inverter blown
  87. A simple but low noise LT1761/LT1964 PSU design
  88. Capacitor question
  89. Experiences with different SMPS's
  90. Remote PS for Tube-Buffered Gainclone
  91. How hot you run your toroid transformer ?
  92. Linear regulated power supply.
  93. What kind of diodes...
  94. Power Supply Layout Question
  95. Symmetrical +/- 18V Opamp PSU module?
  96. Tracking SMPS vs brute force???
  97. Ringing in MOSFET during switching
  98. Step-up DC/DC dual Inverter Help
  99. High voltage PS - HSPY series
  100. A power supply: fell down, doesn't work
  101. SMPS Filament Supplies
  102. Pls help recommend me a low noise power supply
  103. Small step-up 12v to +/- 16v for pre-amp
  104. smps from pc
  105. Reservoir capacitor lifetime?
  106. wierd rectifier output
  107. Need help with DAC wiring w/R-Core tranformer
  108. JIMS Audio Kubota Regulator
  109. DC Inverter help
  110. Iso Transformer
  111. How to get +17V 0 -17 V dc with 2 regulated 17 V dc ?
  112. supply problem
  113. Surge arrester recall
  114. help me plzzzzzz
  115. toroidal core power
  116. TL431 or 6V8 Z-Diode
  117. UPS transformers for Audio amp?
  118. Battery/Alternator probelms ? helllpppp!!
  119. SMPS
  120. Voltage doubler and Negative generator
  121. Power MOSFET as simple analog switch
  122. Samsung Hometheater SMPS Repair
  123. Will this single power supply work for Minidsp, Gainclone AND Cold Amp S250?
  124. layout of ps for my mosfet amp
  125. Finish full stabilized 1200W power supply for my new project
  126. Just how noisy is a switched mode power supply?
  127. Question on power entry module
  128. Simple, no-math transformer snubber using Quasimodo test-jig
  129. Variable PS question
  130. Transformer operation
  131. Quck Q on split power supply ground reference?
  132. How to mount a toroidal transformer vertically?
  133. 24V DC, 700mA
  134. [ask] calculating ampere in toroidal transformers
  135. 2N3053 TO-220 equivalent
  136. "Noisy Transformer (Clicking)"
  137. Full wave centre tap versus bridge
  138. Transformer output?
  139. Speaker relays vs power supply softstart relays
  140. Explaining a PSU
  141. STK4192 amplifier circuit?
  142. Wharfedale PM700 Power Supply blown
  143. SMPS recommendation
  144. CCS + Zeners or resistors for 450V reference
  145. Battery charger for wider voltage range
  146. 48v Power supply for McCurdy Phono Pre
  147. Resettable fuses in power rails thoughts
  148. Regulated Negative Power Supply
  149. Bipolar ps from single ended transformer
  150. Ground Box, what is inside?
  151. effects of faulty lm78xx?
  152. Capacitor Support Apparatus
  153. Soft Start for EI Transformer necessary ??
  154. What diodes would you recommend?
  155. Thule PR-350B Upgrade
  156. PSU for esternal DAC
  157. Converting Kraken power supply from 220v to 110V
  158. Newbie asking about transformer
  159. 12 volt power supply
  160. ~180v regulator schematic needed!
  161. build power on 2 P88 and 1 PL 504 / 511
  162. Choosing a Power Transformer for Blame ST
  163. Power supply for LCD digital multimeter
  164. MB12A25V20 ok for audio
  165. Zener vs Led as reference
  166. Transformer Rating using dual bridge rectifier
  167. USB with separate linear power supply
  169. 317 based Charging circuit for battery powered Getto Blaster.
  170. design and construction of a 1kva switch mode inverter
  171. Quasi-Resonant SMPS For Audio,You need It?
  172. Coursera: Intro to Power Electronics (Course on SMPS)
  173. What to look for in a series pass mosfet
  174. Selecting rectifier diodes for high frequency or SMPS supplies?
  175. Transformer
  176. 6V6 Musical Machine Power Supply Problems
  177. Oscillations with multiple transformer setup
  178. voltage regulator for 6080 tube amp
  179. DC step down buck regulators
  180. LLC converter no load regulation problems UCC25600
  181. 300W SMPS for amp. from PC PSU
  182. Can you do this safely?
  183. Newbie Issues with 12V PS
  184. Upgrading capacitors in home theatre amplifier
  185. Simplified MrEvil / PMI Capacitance Multiplier
  186. Identifying Power Trannie from Sub?
  187. Class D backup power circuit
  188. Amplifier PSU Calculator
  189. Japanese power cord to US three prong
  190. Anode tube power supply (stabilized)
  192. 3200 Volt regulator
  193. +- 50v
  194. LT3080 simple problem ?
  195. 120v to +-70v?
  196. power supply?
  197. Resevoir capacitors for Chip Amps
  198. Help needed with a basic 12 volt high current regulator
  199. Cobbling together 12V for two mono amps.
  200. how to know transformer power rating
  201. Options for getting the proper voltage
  202. Ground not at 0V
  203. fully charged battery
  204. Power supply for DAC,
  205. forte f-45 power supply
  206. Power Supply for Tube Preamp
  207. Is this real? - simulation of parasitics
  208. hot amp
  209. 250V stabilizer ok?
  210. PSU for Gaincard - Questions
  211. Soft start
  212. LLC Converter maximum gap in core
  213. Efficient 12v to 5v step down converter without noise?
  214. Ripple/Motorboating help with Battery PSU
  215. Power Supply Voltage too High
  216. How to add a proper power meter to an amp?
  217. Where to find 120VAC to12VAC 2AMP POWER supply
  218. Why use a 1N4002 instead of a 1N4007
  219. Double C Core vs Single C Core
  220. Single supply vs. dual supply and noise, I can't find a proper solution
  221. TC Electronics G-Major Power supply failure
  222. Isolation transformer
  223. LT1963 - Pre Regulation
  224. Newbie needs help with small rechargeable battery selection (Thodio project)
  225. question about transformer current rating with a multitap secondary
  226. Identify this transformer...
  227. Please check this schematic.
  228. Lowering earth impedance--Earth spikes in Russ Andrews Book
  229. Building a power supply. Need some help
  230. Inrush protection of a PCB power transformer
  231. computer pci-e power and tri-path amps
  232. Mute Circuit Connections for My PSU
  233. 12vDC to 110vAC converter with 18v battery
  234. Quad secondary FW CT puzzle
  235. Grounding for dual mono PSU and digital PSU
  236. Can a PC power supply be stepped down.
  237. Separate supply for input/driver
  238. Toroid Rewind
  239. Taylor 1363 smps,help needed
  240. Accidentally Shorted Secondary Windings, Advice Needed
  241. Symmetrical power supply with two identical sources
  242. LM338 tracking preregulator and current limit
  243. Modding SMPS for audiophile performance
  244. Rechargeable Setup
  245. Dual Bridge problem
  246. New design with 1KV power transformer
  248. Low Noise/Ripple 24Vdc 12 Psu (100mA)
  249. Good Regulator for 7 - 8ma load
  250. Need PSU advice for 2x Class D amp modules

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