View Full Version : Power Supplies

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  1. Multiple amp modules powered by one or two PS
  2. Question about electrical shock
  3. unused secondaries
  4. transformers and noise
  5. Interesting power supply module on Kickstarter
  6. transformer identification. need help.
  7. Paul Hynes power supplies nobody does it better
  8. GreenForce power supply
  9. Recommendations for a quality 'Off the Shelf' SMPS
  10. Filtering of HF content
  11. 0 on input VAC
  12. Electrolytic capacitors physical size
  13. Tascam M-2600 Power Supply Problem
  14. Laptop power supply 4 pole/ 4 pin plug and socket
  15. Problem with Jung regulator
  16. Switching Power Supply Safety & Mounting?
  17. variable voltage input=output inverter
  18. Local PS bypass caps.. are these good for audio?
  19. Can't we make SMPS simpler?
  20. Anyone Own a Diamond Audio D3 1000.1 amplifier?????
  21. Using the LM117K Adjustable Regulator
  22. Learning how to BUCK DC-DC
  23. Lepai LP-2020A+ amp with Anker Battery Supply
  24. Breaking my head over AC+DC heater reference
  25. diy power inverter
  26. Flyback SMPS question.
  27. Pi filters
  28. Center Tap VDC and -VDC and still use the 48VDC phantom power without doubler?
  29. Filter Choke Question
  30. Mounting toroidal transformers without proper monuting kit
  31. Constant voltage / constant current transformers
  32. Power smps for welding.
  33. help to make a simple psu for my LM3886
  34. TL431 High Voltage Regulator - How to get it thermally stable?
  35. ultra low noise like 50uV from the psu for 80V 15A possibility?
  36. Tl431, MOSFET shunt voltage regulator
  37. Linear PSU's in Parallel?
  38. regulated supply oscillation or whatever that is
  39. Series Pass Regulators driven by 3-terminal regulators
  40. Cunning Virtual Ground Circuit...
  41. Help identifying a PS
  42. Make your Printed Circuit Board (PCB):
  43. help id
  44. Which Resistor is the OPTIMAL Choice for Earthing/Grounding yourself ?
  45. 4.4VA 56VCT transformer powering more than I think it should (and not sagging)
  46. Voltage Tripler for Bias Tap
  47. Measuring power supplies - some results by Bjørn Kolbrek
  48. PSU transformer wiring help?
  49. ultra low noise PSU recommendations for VAS of the LME49830
  50. What would happen if ?
  51. Current capability of litz wire.
  52. Difference in +V/-V -- OK?
  53. help comparig & choosing between 1X230V or 2X150V transformers
  54. SMPS choice with 110/230v input
  55. A simple LT1763 based 5V PSU
  56. Zener Follower - what did i do wrong?
  57. LifePo BMS and audio quality
  58. Limiting resistor values
  59. Power transformer from Marantz SR2700?
  60. Transformer Help??????????????
  61. robbing from the positive rail
  62. LP-2020A+ power supply noise
  63. Anyone have the 3C6A ferrite material specification Sheet
  64. Power supply caps: They're not all equal
  65. Amp PS Building rookie questions
  66. How to check how dirty is the AC mains voltage
  67. Anyone here build power supplies as a service?
  68. Audible Illusions L1 Hissing Noise
  69. How to deal with Litz wire
  70. Parallel noise filters/traps for mains.
  71. milliamps, milliamps where do you go?
  72. Hooking up Power-One supply
  73. Question about tube amp supplies.
  74. ILP transformer va?
  75. How to knock the voltage down?
  76. decommissioned 3Par battery. help please?
  77. Help with 250V regulator
  78. Thoughts on running LED's from high voltage into a constant current sink.
  79. Control-to-Output or Open-Loop Measurement
  80. Bevois Mains Transformer
  81. Using off-the-shelf noname smps for gainclone/d-amp
  82. Noisy toroidal transformers
  83. Secondary wiring w/ 2 different windings
  84. Dc rail voltage increase on power Amplifer?
  85. NiMH Battery and charger, charge and run?
  86. 2kW Full Bridge SMPS Design
  87. 250Watt Class D Amplifier IRS2092S and IRFI4020H-117P
  88. Is it possible to use separate batteries for preamp and amp
  89. O-Audio Bash 500 psu schematics?
  90. Isolation transformer questions
  91. BASH amp from PSB Subsonic 5i, blown fuses
  92. current limiter power dissipation
  93. Buy used Pioneer A-400 then modify or buy brand new amp?
  94. grounding
  95. ebay dc booster
  96. I need a help about SG3525
  97. I need help ,SG3525 car amplifier smps
  98. Current regulator circuit for Bench Power Suppy
  99. Any pitfalls to running SMPS in series?
  100. parallel transformers
  101. LM317 over 37Volt ?
  102. Power supply for DIY 2.1 Kit
  103. Checking an old variac to see if it's safe to use.
  104. PS Filter
  105. Negative Power Supply
  106. Chaining power leads
  107. Home AC Voltage too High
  108. how to make cap6 inductors...?
  109. RC chains capacitor swap
  110. 3 Phase question
  111. Unregulated power supplies and noise
  112. Question on Building a separate power supply for F5TV3
  113. First PS problem switch on/off
  114. Comments on the a 350W Power Supply Build
  115. CheapoModo: quick and dirty transformer snubber bellringer jig
  116. Using Switching Converters in audio circuits
  117. Need some help?? Dont want to give up!!
  118. Recommended replacement for these bridge rectifiers
  119. Rectifier tube plate curve
  120. 12v battery draining
  121. First stereo amp build.
  122. LCD Repair, when not caps
  123. Newbie power question
  124. Power Supply Troubleshooting--No Voltage from Secondary Winding
  125. FR304 gets short circuit
  126. any benefit to this layout?
  127. resonant SMPS with Wurth WE-LLCR transformer
  128. transformer for F5TV3 question about Antek AN8234/ AN8434
  129. Question about Electrolytic Cap polarity
  130. Teac C-3X Pwr. Transformer Info. Needed
  131. Psım Full Bridge Feedback & Output Voltage Problem
  132. AUX PSU Check
  133. Surge protection - extension lead or MOV?
  134. 150Uh wanted on etd34
  135. Mystery Power Pop
  136. Transformers from technics SU-V8
  137. Current probe
  138. acoustic noise after transformer sort
  139. control two positive voltages with TL431CP
  140. series capacitors and bleeder resistors
  141. Soft Start Module Power Up
  142. Balanced DC output from a single 12v battery
  143. Powering a Car Amp for Home Use
  144. Can I use this supply
  145. Problem when powering heaters from +/- regs
  146. Soundcraft 400b
  147. Can I use this supply
  148. Analogue Metric Shunt Reg problem
  149. How much power can I get with IRFP460 PWM Full Brdige
  150. Transformer Windings
  151. Isolation transformer as power supply for tube amplifier
  152. Gapped power transformer as a choke
  153. Output Rectifier - Transformer Sound
  154. Power supply with transformer and batteries = fewer caps?
  155. Capacitor across diodes
  156. DC/DC converter for 12V/1A to 12V/2A
  157. Help for 500-600W 50V PS
  158. Clean switching of power MOS-FET
  159. Maida regulator ADJ bypass
  160. Need help with voltage regulator
  161. Why do I need regulator for small current?
  162. 100VAC Power Supply for Turntable?!
  163. Minimum power of transformator for SymAsym?
  164. Ripple vs Impedance D-C SET Questions.
  165. Time delay to slowly charge a capacitor bank
  166. LLC SMPS using PIC16f506
  167. Abletec, 900 Watt peak class D audio amplifier power supply +/- 53V DC
  168. Repair a Victron Multi Plus for safe power
  169. filter resistors location on a single capacitor PS
  170. Series Shunt regulated power supply??
  171. Strange Problem. Grounding issue?
  172. Using a DC power supply in place of a AC transformer
  173. High current voltage regulator
  174. Kepco 815b power supply
  175. power supply conundrum
  176. Help with specs on Plitron toroid
  177. ferite core turns
  178. A very, very simple soft start circuit
  179. Balanced 230v mains supply - oppinions please!
  180. Shunt resistors in parallel to a load?
  181. Lepai T2020A+ and 12v 4500mA Rechargeable Battery?
  182. ELV light transformer buzz in mains
  183. dumb question about LM317 series.
  184. Replacing electrolyics in a power supply?
  185. How to measure noise of a power supply in LTSpice?
  186. -15V-0- +15V supplies from 2 Wallwarts
  187. another Duncan PSUD question...
  188. Switched power supplies better sometimes?
  189. question about transformer current capability
  190. Power Supply Regulator Replacement Help
  191. Asking for help: TEAC A_H300 thermal fuse gone
  192. Help With Winding a Switching Transfomer
  193. Question to build a 20V high current power supply
  194. soft start help
  195. Oscilloscope picture & Tororid +Bridge Not what I expected.
  196. Resistor before transformer
  197. LM317+TL431, really?
  198. Voltage feedback for IR2153
  199. How to test a Toroidal Transformer
  200. Powersupply Caps upsiddown
  201. Understanding shunt voltage regulator circuit
  202. First DIY PSU, based on CREEK OBH-2
  203. Battery Powered DAC Charging diagram?
  204. Non audio: High current voltage regulator?
  205. Question about Duncan PSU designer
  206. Rectifier caps; go for the huge ones?
  207. what happens when a transformer is very heavily loaded?
  208. How much load is too much load on a voltage doubler?
  209. Power Supply for tri-amped speaker
  210. power/ground interference
  211. Transformer connectivity
  212. Full Wave Rectification without Center Tap?
  213. Powering up a dual primary toroid, half at a time.
  214. Virtual Battery PSU
  215. Transformer
  216. Tutorial: Compute the relative power of each winding in a multi-winding transformer
  217. Overdamping RC snubber network
  218. Well my 1000W Silverstone crapped out
  219. Help converting 13.5 volt ac to 20 volt
  220. Get ground for non-centertapped toroid?
  221. toroidal with no information
  222. 12v to 60v pushpull
  223. Modern ultra low noise LDO - ADM7150
  224. Bash amp on a 12" klipsh sub
  225. +-0 24V from 2*SWPS
  226. Help..2 diode full wave unregulated ps for tripath 2024
  227. Minimizing induced power transformer noise
  228. Economical PSU chassis in EU?
  229. Simple single-sided layout for pooge reg
  230. Why does this power supply not work?
  231. Can type RFI suppression iec sockets
  232. Battery supply, how to?
  233. High performance dual mono PSU
  234. Undervoltage protection idea
  235. Feeding 120V to a transformer configured for 240V?
  236. Rebuilding Counterpoint SA-5.1 PSU
  237. High performance PSU and voltage regulator
  238. How much powerfull is this transformer ?
  239. Noob Question: Virtual GND
  240. Voltage drop in LM337 based PS!
  241. High voltage PSU build thread
  242. Use Centre-tapped transformer without using the centre tap...possible?
  243. Looking for Musical Fidelity a100 power transformer 220v
  244. Running a 60Hz receiver on 50Hz
  245. 5VDC to (25VDC @ 4A) converter
  246. Power supply
  247. tranformer reduction amperes
  248. PSU for amp modules
  249. Bleeder resistors in a bank of small capacitors
  250. Power Issues Nakamichi SR-4A

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