View Full Version : Power Supplies

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  1. Help identifying a PS
  2. Make your Printed Circuit Board (PCB):
  3. help id
  4. Which Resistor is the OPTIMAL Choice for Earthing/Grounding yourself ?
  5. 4.4VA 56VCT transformer powering more than I think it should (and not sagging)
  6. Voltage Tripler for Bias Tap
  7. Measuring power supplies - some results by Bjørn Kolbrek
  8. PSU transformer wiring help?
  9. ultra low noise PSU recommendations for VAS of the LME49830
  10. What would happen if ?
  11. Current capability of litz wire.
  12. Difference in +V/-V -- OK?
  13. help comparig & choosing between 1X230V or 2X150V transformers
  14. SMPS choice with 110/230v input
  15. A simple LT1763 based 5V PSU
  16. Zener Follower - what did i do wrong?
  17. LifePo BMS and audio quality
  18. Limiting resistor values
  19. Power transformer from Marantz SR2700?
  20. Transformer Help??????????????
  21. robbing from the positive rail
  22. LP-2020A+ power supply noise
  23. Anyone have the 3C6A ferrite material specification Sheet
  24. Power supply caps: They're not all equal
  25. Amp PS Building rookie questions
  26. How to check how dirty is the AC mains voltage
  27. Anyone here build power supplies as a service?
  28. Audible Illusions L1 Hissing Noise
  29. How to deal with Litz wire
  30. Parallel noise filters/traps for mains.
  31. milliamps, milliamps where do you go?
  32. Hooking up Power-One supply
  33. Question about tube amp supplies.
  34. ILP transformer va?
  35. How to knock the voltage down?
  36. decommissioned 3Par battery. help please?
  37. Help with 250V regulator
  38. Thoughts on running LED's from high voltage into a constant current sink.
  39. Control-to-Output or Open-Loop Measurement
  40. Bevois Mains Transformer
  41. Using off-the-shelf noname smps for gainclone/d-amp
  42. Noisy toroidal transformers
  43. Secondary wiring w/ 2 different windings
  44. Dc rail voltage increase on power Amplifer?
  45. NiMH Battery and charger, charge and run?
  46. 2kW Full Bridge SMPS Design
  47. 250Watt Class D Amplifier IRS2092S and IRFI4020H-117P
  48. Is it possible to use separate batteries for preamp and amp
  49. O-Audio Bash 500 psu schematics?
  50. Isolation transformer questions
  51. BASH amp from PSB Subsonic 5i, blown fuses
  52. current limiter power dissipation
  53. Buy used Pioneer A-400 then modify or buy brand new amp?
  54. grounding
  55. ebay dc booster
  56. I need a help about SG3525
  57. I need help ,SG3525 car amplifier smps
  58. Current regulator circuit for Bench Power Suppy
  59. Any pitfalls to running SMPS in series?
  60. parallel transformers
  61. LM317 over 37Volt ?
  62. Power supply for DIY 2.1 Kit
  63. Checking an old variac to see if it's safe to use.
  64. PS Filter
  65. Negative Power Supply
  66. Chaining power leads
  67. Home AC Voltage too High
  68. how to make cap6 inductors...?
  69. RC chains capacitor swap
  70. 3 Phase question
  71. Unregulated power supplies and noise
  72. Question on Building a separate power supply for F5TV3
  73. First PS problem switch on/off
  74. Comments on the a 350W Power Supply Build
  75. CheapoModo: quick and dirty transformer snubber bellringer jig
  76. Using Switching Converters in audio circuits
  77. Need some help?? Dont want to give up!!
  78. Recommended replacement for these bridge rectifiers
  79. Rectifier tube plate curve
  80. 12v battery draining
  81. First stereo amp build.
  82. LCD Repair, when not caps
  83. Newbie power question
  84. Power Supply Troubleshooting--No Voltage from Secondary Winding
  85. FR304 gets short circuit
  86. any benefit to this layout?
  87. resonant SMPS with Wurth WE-LLCR transformer
  88. transformer for F5TV3 question about Antek AN8234/ AN8434
  89. Question about Electrolytic Cap polarity
  90. Teac C-3X Pwr. Transformer Info. Needed
  91. Psım Full Bridge Feedback & Output Voltage Problem
  92. AUX PSU Check
  93. Surge protection - extension lead or MOV?
  94. 150Uh wanted on etd34
  95. Mystery Power Pop
  96. Transformers from technics SU-V8
  97. Current probe
  98. acoustic noise after transformer sort
  99. control two positive voltages with TL431CP
  100. series capacitors and bleeder resistors
  101. Soft Start Module Power Up
  102. Balanced DC output from a single 12v battery
  103. Powering a Car Amp for Home Use
  104. Can I use this supply
  105. Problem when powering heaters from +/- regs
  106. Soundcraft 400b
  107. Can I use this supply
  108. Analogue Metric Shunt Reg problem
  109. How much power can I get with IRFP460 PWM Full Brdige
  110. Transformer Windings
  111. Isolation transformer as power supply for tube amplifier
  112. Gapped power transformer as a choke
  113. Output Rectifier - Transformer Sound
  114. Power supply with transformer and batteries = fewer caps?
  115. Capacitor across diodes
  116. DC/DC converter for 12V/1A to 12V/2A
  117. Help for 500-600W 50V PS
  118. Clean switching of power MOS-FET
  119. Maida regulator ADJ bypass
  120. Need help with voltage regulator
  121. Why do I need regulator for small current?
  122. 100VAC Power Supply for Turntable?!
  123. Minimum power of transformator for SymAsym?
  124. Ripple vs Impedance D-C SET Questions.
  125. Time delay to slowly charge a capacitor bank
  126. LLC SMPS using PIC16f506
  127. Abletec, 900 Watt peak class D audio amplifier power supply +/- 53V DC
  128. Repair a Victron Multi Plus for safe power
  129. filter resistors location on a single capacitor PS
  130. Series Shunt regulated power supply??
  131. Strange Problem. Grounding issue?
  132. Using a DC power supply in place of a AC transformer
  133. High current voltage regulator
  134. Kepco 815b power supply
  135. power supply conundrum
  136. Help with specs on Plitron toroid
  137. ferite core turns
  138. A very, very simple soft start circuit
  139. Balanced 230v mains supply - oppinions please!
  140. Shunt resistors in parallel to a load?
  141. Lepai T2020A+ and 12v 4500mA Rechargeable Battery?
  142. ELV light transformer buzz in mains
  143. dumb question about LM317 series.
  144. Replacing electrolyics in a power supply?
  145. How to measure noise of a power supply in LTSpice?
  146. -15V-0- +15V supplies from 2 Wallwarts
  147. another Duncan PSUD question...
  148. Switched power supplies better sometimes?
  149. question about transformer current capability
  150. Power Supply Regulator Replacement Help
  151. Asking for help: TEAC A_H300 thermal fuse gone
  152. Help With Winding a Switching Transfomer
  153. Question to build a 20V high current power supply
  154. soft start help
  155. Oscilloscope picture & Tororid +Bridge Not what I expected.
  156. Resistor before transformer
  157. LM317+TL431, really?
  158. Voltage feedback for IR2153
  159. How to test a Toroidal Transformer
  160. Powersupply Caps upsiddown
  161. Understanding shunt voltage regulator circuit
  162. First DIY PSU, based on CREEK OBH-2
  163. Battery Powered DAC Charging diagram?
  164. Non audio: High current voltage regulator?
  165. Question about Duncan PSU designer
  166. Rectifier caps; go for the huge ones?
  167. what happens when a transformer is very heavily loaded?
  168. How much load is too much load on a voltage doubler?
  169. Power Supply for tri-amped speaker
  170. power/ground interference
  171. Transformer connectivity
  172. Full Wave Rectification without Center Tap?
  173. Powering up a dual primary toroid, half at a time.
  174. Virtual Battery PSU
  175. Transformer
  176. Tutorial: Compute the relative power of each winding in a multi-winding transformer
  177. Overdamping RC snubber network
  178. Well my 1000W Silverstone crapped out
  179. Help converting 13.5 volt ac to 20 volt
  180. Get ground for non-centertapped toroid?
  181. toroidal with no information
  182. 12v to 60v pushpull
  183. Modern ultra low noise LDO - ADM7150
  184. Bash amp on a 12" klipsh sub
  185. +-0 24V from 2*SWPS
  186. Help..2 diode full wave unregulated ps for tripath 2024
  187. Minimizing induced power transformer noise
  188. Economical PSU chassis in EU?
  189. Simple single-sided layout for pooge reg
  190. Why does this power supply not work?
  191. Can type RFI suppression iec sockets
  192. Battery supply, how to?
  193. High performance dual mono PSU
  194. Undervoltage protection idea
  195. Feeding 120V to a transformer configured for 240V?
  196. Rebuilding Counterpoint SA-5.1 PSU
  197. High performance PSU and voltage regulator
  198. How much powerfull is this transformer ?
  199. Noob Question: Virtual GND
  200. Voltage drop in LM337 based PS!
  201. High voltage PSU build thread
  202. Use Centre-tapped transformer without using the centre tap...possible?
  203. Looking for Musical Fidelity a100 power transformer 220v
  204. Running a 60Hz receiver on 50Hz
  205. 5VDC to (25VDC @ 4A) converter
  206. Power supply
  207. tranformer reduction amperes
  208. PSU for amp modules
  209. Bleeder resistors in a bank of small capacitors
  210. Power Issues Nakamichi SR-4A
  211. Linear PS for VSSA (through-hole)
  212. 2 chassis solutions: where best to divide the power supply between the boxes?
  213. Regulated power supply using 30-0-30 EI core transforformer for Gaincore am
  214. Help me, I would like power supply can adjust between 0.1 - 0.5 V
  215. DC blockers and mains filters
  216. LM2679 short protection?
  217. Rectifier bridge connection for Gain Clone - dual secondaries, two channels
  218. Battery Chargers for 18-0-18 transformers
  219. Toroidal trans choice?
  220. 9 Volt Battery Charger Query
  221. MC34262
  222. TommyTommy, a PSU for the Calvin buffer
  223. smps transformer
  224. boombox permanent mains supply
  225. 12V Power Supply Help
  226. Old Computer Power Supply Mod
  227. a Capacitance Multiplier with over-voltage protection
  228. Switching PSU for TK2050 Class-D Audio Amplifier
  229. Capacitance multiplier using cascoded Darlingtons
  230. using regulator to limit AC secondary voltage - A possible or reasonable approach?
  231. LM3886 Power supply based on AN1849
  232. Which DIY PCB Power Supply Kit?
  233. TL494 Full Bridge 900 watt DC-DC converter
  234. Receiver illumination. Lower voltage
  235. Power supply board..
  236. Please help on toroidal stepdown transformer
  237. regulated power supply
  238. Grounding / Earthing
  239. Power supply bypass capacitor types
  240. Building myself a "brute force" linear, adjustable PSU...
  241. How to determine which wires?
  242. 12v-12v, isolated DC DC converter
  243. Fake LM2679 ?
  244. AC induction controls low power relay?
  245. Another capacitor ESR meter
  246. LM2679 question
  247. Hickok PS-503
  248. Center tap transformer grounded through caps
  249. Beefing up old PSU filter caps - advice needed!
  250. Help me understand this TNT-audio web page about snubbers

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