View Full Version : Power Supplies

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  1. Battery power amp has virtual earth point(+13v?). bi ampable with mains grounded amp?
  2. Bipolar cap as local decoupling ?
  3. multi-feed pwm 12-24v adjustable bench supply controller.
  4. Identifying AC mains smd devices (possibly PTCs)
  5. Apex A-class PSU problem
  6. JFET RIAA Phono power supply - which batteries are best?
  7. Charging 8 AA Batteries in Boombox?
  8. Slowblow fuse burns after power's been removed
  9. Where to find power supply or transformer ?
  10. LT1084 based power supply for NAS digital streaming
  11. Combine different sized rectifier caps?
  12. Toroid Primaries Question
  13. Bypass Caps
  14. Amps from China VS Crown Refence1
  15. simple tl431 regulation
  16. Pi filter for a 12V DC supply
  17. UK supplier of R or C core transformers?
  18. lm723 variable supply schematic question
  19. HQ low noise 5Vdc 2A PSU, kit or ready made?
  20. dual power supply noise issue
  21. AnTek Toroid Grounding
  22. 220 -> 2x50V whit IR2153 and PCB
  23. Interested in ADM7151 regulator?
  24. Multiple amp modules powered by one or two PS
  25. Question about electrical shock
  26. unused secondaries
  27. transformers and noise
  28. Interesting power supply module on Kickstarter
  29. transformer identification. need help.
  30. Paul Hynes power supplies nobody does it better
  31. GreenForce power supply
  32. Recommendations for a quality 'Off the Shelf' SMPS
  33. Filtering of HF content
  34. 0 on input VAC
  35. Electrolytic capacitors physical size
  36. Tascam M-2600 Power Supply Problem
  37. Laptop power supply 4 pole/ 4 pin plug and socket
  38. Problem with Jung regulator
  39. Switching Power Supply Safety & Mounting?
  40. variable voltage input=output inverter
  41. Local PS bypass caps.. are these good for audio?
  42. Can't we make SMPS simpler?
  43. Anyone Own a Diamond Audio D3 1000.1 amplifier?????
  44. Using the LM117K Adjustable Regulator
  45. Learning how to BUCK DC-DC
  46. Lepai LP-2020A+ amp with Anker Battery Supply
  47. Breaking my head over AC+DC heater reference
  48. diy power inverter
  49. Flyback SMPS question.
  50. Pi filters
  51. Center Tap VDC and -VDC and still use the 48VDC phantom power without doubler?
  52. Filter Choke Question
  53. Mounting toroidal transformers without proper monuting kit
  54. Constant voltage / constant current transformers
  55. Power smps for welding.
  56. help to make a simple psu for my LM3886
  57. TL431 High Voltage Regulator - How to get it thermally stable?
  58. ultra low noise like 50uV from the psu for 80V 15A possibility?
  59. Tl431, MOSFET shunt voltage regulator
  60. Linear PSU's in Parallel?
  61. regulated supply oscillation or whatever that is
  62. Series Pass Regulators driven by 3-terminal regulators
  63. Cunning Virtual Ground Circuit...
  64. Help identifying a PS
  65. Make your Printed Circuit Board (PCB):
  66. help id
  67. Which Resistor is the OPTIMAL Choice for Earthing/Grounding yourself ?
  68. 4.4VA 56VCT transformer powering more than I think it should (and not sagging)
  69. Voltage Tripler for Bias Tap
  70. Measuring power supplies - some results by Bjørn Kolbrek
  71. PSU transformer wiring help?
  72. ultra low noise PSU recommendations for VAS of the LME49830
  73. What would happen if ?
  74. Current capability of litz wire.
  75. Difference in +V/-V -- OK?
  76. help comparig & choosing between 1X230V or 2X150V transformers
  77. SMPS choice with 110/230v input
  78. A simple LT1763 based 5V PSU
  79. Zener Follower - what did i do wrong?
  80. LifePo BMS and audio quality
  81. Limiting resistor values
  82. Power transformer from Marantz SR2700?
  83. Transformer Help??????????????
  84. robbing from the positive rail
  85. LP-2020A+ power supply noise
  86. Anyone have the 3C6A ferrite material specification Sheet
  87. Power supply caps: They're not all equal
  88. Amp PS Building rookie questions
  89. How to check how dirty is the AC mains voltage
  90. Anyone here build power supplies as a service?
  91. Audible Illusions L1 Hissing Noise
  92. How to deal with Litz wire
  93. Parallel noise filters/traps for mains.
  94. milliamps, milliamps where do you go?
  95. Hooking up Power-One supply
  96. Question about tube amp supplies.
  97. ILP transformer va?
  98. How to knock the voltage down?
  99. decommissioned 3Par battery. help please?
  100. Help with 250V regulator
  101. Thoughts on running LED's from high voltage into a constant current sink.
  102. Control-to-Output or Open-Loop Measurement
  103. Bevois Mains Transformer
  104. Using off-the-shelf noname smps for gainclone/d-amp
  105. Noisy toroidal transformers
  106. Secondary wiring w/ 2 different windings
  107. Dc rail voltage increase on power Amplifer?
  108. NiMH Battery and charger, charge and run?
  109. 2kW Full Bridge SMPS Design
  110. 250Watt Class D Amplifier IRS2092S and IRFI4020H-117P
  111. Is it possible to use separate batteries for preamp and amp
  112. O-Audio Bash 500 psu schematics?
  113. Isolation transformer questions
  114. BASH amp from PSB Subsonic 5i, blown fuses
  115. current limiter power dissipation
  116. Buy used Pioneer A-400 then modify or buy brand new amp?
  117. grounding
  118. ebay dc booster
  119. I need a help about SG3525
  120. I need help ,SG3525 car amplifier smps
  121. Current regulator circuit for Bench Power Suppy
  122. Any pitfalls to running SMPS in series?
  123. parallel transformers
  124. LM317 over 37Volt ?
  125. Power supply for DIY 2.1 Kit
  126. Checking an old variac to see if it's safe to use.
  127. PS Filter
  128. Negative Power Supply
  129. Chaining power leads
  130. Home AC Voltage too High
  131. how to make cap6 inductors...?
  132. RC chains capacitor swap
  133. 3 Phase question
  134. Unregulated power supplies and noise
  135. Question on Building a separate power supply for F5TV3
  136. First PS problem switch on/off
  137. Comments on the a 350W Power Supply Build
  138. CheapoModo: quick and dirty transformer snubber bellringer jig
  139. Using Switching Converters in audio circuits
  140. Need some help?? Dont want to give up!!
  141. Recommended replacement for these bridge rectifiers
  142. Rectifier tube plate curve
  143. 12v battery draining
  144. First stereo amp build.
  145. LCD Repair, when not caps
  146. Newbie power question
  147. Power Supply Troubleshooting--No Voltage from Secondary Winding
  148. FR304 gets short circuit
  149. any benefit to this layout?
  150. resonant SMPS with Wurth WE-LLCR transformer
  151. transformer for F5TV3 question about Antek AN8234/ AN8434
  152. Question about Electrolytic Cap polarity
  153. Teac C-3X Pwr. Transformer Info. Needed
  154. Psım Full Bridge Feedback & Output Voltage Problem
  155. AUX PSU Check
  156. Surge protection - extension lead or MOV?
  157. 150Uh wanted on etd34
  158. Mystery Power Pop
  159. Transformers from technics SU-V8
  160. Current probe
  161. acoustic noise after transformer sort
  162. control two positive voltages with TL431CP
  163. series capacitors and bleeder resistors
  164. Soft Start Module Power Up
  165. Balanced DC output from a single 12v battery
  166. Powering a Car Amp for Home Use
  167. Can I use this supply
  168. Problem when powering heaters from +/- regs
  169. Soundcraft 400b
  170. Can I use this supply
  171. Analogue Metric Shunt Reg problem
  172. How much power can I get with IRFP460 PWM Full Brdige
  173. Transformer Windings
  174. Isolation transformer as power supply for tube amplifier
  175. Gapped power transformer as a choke
  176. Output Rectifier - Transformer Sound
  177. Power supply with transformer and batteries = fewer caps?
  178. Capacitor across diodes
  179. DC/DC converter for 12V/1A to 12V/2A
  180. Help for 500-600W 50V PS
  181. Clean switching of power MOS-FET
  182. Maida regulator ADJ bypass
  183. Need help with voltage regulator
  184. Why do I need regulator for small current?
  185. 100VAC Power Supply for Turntable?!
  186. Minimum power of transformator for SymAsym?
  187. Ripple vs Impedance D-C SET Questions.
  188. Time delay to slowly charge a capacitor bank
  189. LLC SMPS using PIC16f506
  190. Abletec, 900 Watt peak class D audio amplifier power supply +/- 53V DC
  191. Repair a Victron Multi Plus for safe power
  192. filter resistors location on a single capacitor PS
  193. Series Shunt regulated power supply??
  194. Strange Problem. Grounding issue?
  195. Using a DC power supply in place of a AC transformer
  196. High current voltage regulator
  197. Kepco 815b power supply
  198. power supply conundrum
  199. Help with specs on Plitron toroid
  200. ferite core turns
  201. A very, very simple soft start circuit
  202. Balanced 230v mains supply - oppinions please!
  203. Shunt resistors in parallel to a load?
  204. Lepai T2020A+ and 12v 4500mA Rechargeable Battery?
  205. ELV light transformer buzz in mains
  206. dumb question about LM317 series.
  207. Replacing electrolyics in a power supply?
  208. How to measure noise of a power supply in LTSpice?
  209. -15V-0- +15V supplies from 2 Wallwarts
  210. another Duncan PSUD question...
  211. Switched power supplies better sometimes?
  212. question about transformer current capability
  213. Power Supply Regulator Replacement Help
  214. Asking for help: TEAC A_H300 thermal fuse gone
  215. Help With Winding a Switching Transfomer
  216. Question to build a 20V high current power supply
  217. soft start help
  218. Oscilloscope picture & Tororid +Bridge Not what I expected.
  219. Resistor before transformer
  220. LM317+TL431, really?
  221. Voltage feedback for IR2153
  222. How to test a Toroidal Transformer
  223. Powersupply Caps upsiddown
  224. Understanding shunt voltage regulator circuit
  225. First DIY PSU, based on CREEK OBH-2
  226. Battery Powered DAC Charging diagram?
  227. Non audio: High current voltage regulator?
  228. Question about Duncan PSU designer
  229. Rectifier caps; go for the huge ones?
  230. what happens when a transformer is very heavily loaded?
  231. How much load is too much load on a voltage doubler?
  232. Power Supply for tri-amped speaker
  233. power/ground interference
  234. Transformer connectivity
  235. Full Wave Rectification without Center Tap?
  236. Powering up a dual primary toroid, half at a time.
  237. Virtual Battery PSU
  238. Transformer
  239. Tutorial: Compute the relative power of each winding in a multi-winding transformer
  240. Overdamping RC snubber network
  241. Well my 1000W Silverstone crapped out
  242. Help converting 13.5 volt ac to 20 volt
  243. Get ground for non-centertapped toroid?
  244. toroidal with no information
  245. 12v to 60v pushpull
  246. Modern ultra low noise LDO - ADM7150
  247. Bash amp on a 12" klipsh sub
  248. +-0 24V from 2*SWPS
  249. Help..2 diode full wave unregulated ps for tripath 2024
  250. Minimizing induced power transformer noise

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