View Full Version : Power Supplies

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  1. decommissioned 3Par battery. help please?
  2. Help with 250V regulator
  3. Thoughts on running LED's from high voltage into a constant current sink.
  4. Control-to-Output or Open-Loop Measurement
  5. Bevois Mains Transformer
  6. Using off-the-shelf noname smps for gainclone/d-amp
  7. Noisy toroidal transformers
  8. Secondary wiring w/ 2 different windings
  9. Dc rail voltage increase on power Amplifer?
  10. NiMH Battery and charger, charge and run?
  11. 2kW Full Bridge SMPS Design
  12. 250Watt Class D Amplifier IRS2092S and IRFI4020H-117P
  13. Is it possible to use separate batteries for preamp and amp
  14. O-Audio Bash 500 psu schematics?
  15. Isolation transformer questions
  16. BASH amp from PSB Subsonic 5i, blown fuses
  17. current limiter power dissipation
  18. Buy used Pioneer A-400 then modify or buy brand new amp?
  19. grounding
  20. ebay dc booster
  21. I need a help about SG3525
  22. I need help ,SG3525 car amplifier smps
  23. Current regulator circuit for Bench Power Suppy
  24. Any pitfalls to running SMPS in series?
  25. parallel transformers
  26. LM317 over 37Volt ?
  27. Power supply for DIY 2.1 Kit
  28. Checking an old variac to see if it's safe to use.
  29. PS Filter
  30. Negative Power Supply
  31. Chaining power leads
  32. Home AC Voltage too High
  33. how to make cap6 inductors...?
  34. RC chains capacitor swap
  35. 3 Phase question
  36. Unregulated power supplies and noise
  37. Question on Building a separate power supply for F5TV3
  38. First PS problem switch on/off
  39. Comments on the a 350W Power Supply Build
  40. CheapoModo: quick and dirty transformer snubber bellringer jig
  41. Using Switching Converters in audio circuits
  42. Need some help?? Dont want to give up!!
  43. Recommended replacement for these bridge rectifiers
  44. Rectifier tube plate curve
  45. 12v battery draining
  46. First stereo amp build.
  47. LCD Repair, when not caps
  48. Newbie power question
  49. Power Supply Troubleshooting--No Voltage from Secondary Winding
  50. FR304 gets short circuit
  51. any benefit to this layout?
  52. resonant SMPS with Wurth WE-LLCR transformer
  53. transformer for F5TV3 question about Antek AN8234/ AN8434
  54. Question about Electrolytic Cap polarity
  55. Teac C-3X Pwr. Transformer Info. Needed
  56. Psım Full Bridge Feedback & Output Voltage Problem
  57. AUX PSU Check
  58. Surge protection - extension lead or MOV?
  59. 150Uh wanted on etd34
  60. Mystery Power Pop
  61. Transformers from technics SU-V8
  62. Current probe
  63. acoustic noise after transformer sort
  64. control two positive voltages with TL431CP
  65. series capacitors and bleeder resistors
  66. Soft Start Module Power Up
  67. Balanced DC output from a single 12v battery
  68. Powering a Car Amp for Home Use
  69. Can I use this supply
  70. Problem when powering heaters from +/- regs
  71. Soundcraft 400b
  72. Can I use this supply
  73. Analogue Metric Shunt Reg problem
  74. How much power can I get with IRFP460 PWM Full Brdige
  75. Transformer Windings
  76. Isolation transformer as power supply for tube amplifier
  77. Gapped power transformer as a choke
  78. Output Rectifier - Transformer Sound
  79. Power supply with transformer and batteries = fewer caps?
  80. Capacitor across diodes
  81. DC/DC converter for 12V/1A to 12V/2A
  82. Help for 500-600W 50V PS
  83. Clean switching of power MOS-FET
  84. Maida regulator ADJ bypass
  85. Need help with voltage regulator
  86. Why do I need regulator for small current?
  87. 100VAC Power Supply for Turntable?!
  88. Minimum power of transformator for SymAsym?
  89. Ripple vs Impedance D-C SET Questions.
  90. Time delay to slowly charge a capacitor bank
  91. LLC SMPS using PIC16f506
  92. Abletec, 900 Watt peak class D audio amplifier power supply +/- 53V DC
  93. Repair a Victron Multi Plus for safe power
  94. filter resistors location on a single capacitor PS
  95. Series Shunt regulated power supply??
  96. Strange Problem. Grounding issue?
  97. Using a DC power supply in place of a AC transformer
  98. High current voltage regulator
  99. Kepco 815b power supply
  100. power supply conundrum
  101. Help with specs on Plitron toroid
  102. ferite core turns
  103. A very, very simple soft start circuit
  104. Balanced 230v mains supply - oppinions please!
  105. Shunt resistors in parallel to a load?
  106. Lepai T2020A+ and 12v 4500mA Rechargeable Battery?
  107. ELV light transformer buzz in mains
  108. dumb question about LM317 series.
  109. Replacing electrolyics in a power supply?
  110. How to measure noise of a power supply in LTSpice?
  111. -15V-0- +15V supplies from 2 Wallwarts
  112. another Duncan PSUD question...
  113. Switched power supplies better sometimes?
  114. question about transformer current capability
  115. Power Supply Regulator Replacement Help
  116. Asking for help: TEAC A_H300 thermal fuse gone
  117. Help With Winding a Switching Transfomer
  118. Question to build a 20V high current power supply
  119. soft start help
  120. Oscilloscope picture & Tororid +Bridge Not what I expected.
  121. Resistor before transformer
  122. LM317+TL431, really?
  123. Voltage feedback for IR2153
  124. How to test a Toroidal Transformer
  125. Powersupply Caps upsiddown
  126. Understanding shunt voltage regulator circuit
  127. First DIY PSU, based on CREEK OBH-2
  128. Battery Powered DAC Charging diagram?
  129. Non audio: High current voltage regulator?
  130. Question about Duncan PSU designer
  131. Rectifier caps; go for the huge ones?
  132. what happens when a transformer is very heavily loaded?
  133. How much load is too much load on a voltage doubler?
  134. Power Supply for tri-amped speaker
  135. power/ground interference
  136. Transformer connectivity
  137. Full Wave Rectification without Center Tap?
  138. Powering up a dual primary toroid, half at a time.
  139. Virtual Battery PSU
  140. Transformer
  141. Tutorial: Compute the relative power of each winding in a multi-winding transformer
  142. Overdamping RC snubber network
  143. Well my 1000W Silverstone crapped out
  144. Help converting 13.5 volt ac to 20 volt
  145. Get ground for non-centertapped toroid?
  146. toroidal with no information
  147. 12v to 60v pushpull
  148. Modern ultra low noise LDO - ADM7150
  149. Bash amp on a 12" klipsh sub
  150. +-0 24V from 2*SWPS
  151. Help..2 diode full wave unregulated ps for tripath 2024
  152. Minimizing induced power transformer noise
  153. Economical PSU chassis in EU?
  154. Simple single-sided layout for pooge reg
  155. Why does this power supply not work?
  156. Can type RFI suppression iec sockets
  157. Battery supply, how to?
  158. High performance dual mono PSU
  159. Undervoltage protection idea
  160. Feeding 120V to a transformer configured for 240V?
  161. Rebuilding Counterpoint SA-5.1 PSU
  162. High performance PSU and voltage regulator
  163. How much powerfull is this transformer ?
  164. Noob Question: Virtual GND
  165. Voltage drop in LM337 based PS!
  166. High voltage PSU build thread
  167. Use Centre-tapped transformer without using the centre tap...possible?
  168. Looking for Musical Fidelity a100 power transformer 220v
  169. Running a 60Hz receiver on 50Hz
  170. 5VDC to (25VDC @ 4A) converter
  171. Power supply
  172. tranformer reduction amperes
  173. PSU for amp modules
  174. Bleeder resistors in a bank of small capacitors
  175. Power Issues Nakamichi SR-4A
  176. Linear PS for VSSA (through-hole)
  177. 2 chassis solutions: where best to divide the power supply between the boxes?
  178. Regulated power supply using 30-0-30 EI core transforformer for Gaincore am
  179. Help me, I would like power supply can adjust between 0.1 - 0.5 V
  180. DC blockers and mains filters
  181. LM2679 short protection?
  182. Rectifier bridge connection for Gain Clone - dual secondaries, two channels
  183. Battery Chargers for 18-0-18 transformers
  184. Toroidal trans choice?
  185. 9 Volt Battery Charger Query
  186. MC34262
  187. TommyTommy, a PSU for the Calvin buffer
  188. smps transformer
  189. boombox permanent mains supply
  190. 12V Power Supply Help
  191. Old Computer Power Supply Mod
  192. a Capacitance Multiplier with over-voltage protection
  193. Switching PSU for TK2050 Class-D Audio Amplifier
  194. Capacitance multiplier using cascoded Darlingtons
  195. using regulator to limit AC secondary voltage - A possible or reasonable approach?
  196. LM3886 Power supply based on AN1849
  197. Which DIY PCB Power Supply Kit?
  198. TL494 Full Bridge 900 watt DC-DC converter
  199. Receiver illumination. Lower voltage
  200. Power supply board..
  201. Please help on toroidal stepdown transformer
  202. regulated power supply
  203. Grounding / Earthing
  204. Power supply bypass capacitor types
  205. Building myself a "brute force" linear, adjustable PSU...
  206. How to determine which wires?
  207. 12v-12v, isolated DC DC converter
  208. Fake LM2679 ?
  209. AC induction controls low power relay?
  210. Another capacitor ESR meter
  211. LM2679 question
  212. Hickok PS-503
  213. Center tap transformer grounded through caps
  214. Beefing up old PSU filter caps - advice needed!
  215. Help me understand this TNT-audio web page about snubbers
  216. My CMOS 555 chips have taken up smoking.
  217. Help a novice steadily build a linear 12V power supply?
  218. 150W DC-DC questions
  219. Regulated PSU for Single supply Amplifier
  220. Need help with overvoltage circuit - LM338k
  221. TPS7A4700 regulator board for dac AVDD
  222. TVS Diodes
  223. PSUD2?
  224. Dropout voltage LM350
  225. 10a Voltage Regulator Circuit - Resistor Question
  226. Strange power supply regulation problem
  227. Need help with transformer....
  228. re-use PS from DVD player
  229. Simple +/-power supply ideas please
  230. Soft start with Atmel U2008B
  231. Blocking Mains DC Offset
  232. Looking for 12v 24v psu
  233. Power Supply Kit Questions from a beginner
  234. +-15VDC SMPS
  235. single supply op-amp question
  236. Power supply to bluetooth module
  237. Help with PS design
  238. Wiring transformer as 120V for 240V mains (Warning, probably a bad idea)
  239. MOS-FET CCS Issues
  240. Where is my voltage going?
  241. Dual voltage supply problem
  242. Raising the Vin+ on op-amp
  243. Dual rail secondary to single rail
  244. Effects of altering capacitances in this regulator
  245. New PSU for Power Amp
  246. diyAudio Power Supply Circuit Board v3 illustrated build guide
  247. How about this one then
  248. Help identify wires please.
  249. SG3524 SMPS help needed.
  250. Inrush Current on big capacitor bank

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