View Full Version : Power Supplies

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  1. Battery Bank for Audio Gear
  2. power input question
  3. is this possible with a 12vac wallwart
  4. PSA-1225 Power supply diagram
  5. I need help with voltage regulators
  6. mosfet bjt advantages siries pass reg?
  7. Wiring Lap Top battery question
  8. multi device PSU
  9. Using inappropriate op-amp for high side sending
  10. Single to dual DC
  11. what guage/AWG cables do you use your for your amps?
  12. Transformer Query
  13. Nuforce iDo power supply upgrade?
  14. Increase out current of ICL7660S
  15. Program for designing with common regulators
  16. Power off "pop"
  17. Seeking off the shelf flyback transformer
  18. trasformer for kenwood GE-5020
  19. output filter inductor design
  20. Some basic questions on transformer with two secondaries
  21. feedback compensation dc dc
  22. 'wind up' amplifier
  23. Question re: Transformer vibration
  24. optimising psu for load?
  25. Modifying Ebay Boost Converter for Tube Amp B+
  26. Easing up inrush current buring relays in DIY trigger
  27. Choosing the right toroidal transformer
  28. Same value Big caps and small caps
  29. diode at smps
  30. Preamp - Mic - Speaker Help
  31. connection of lm317 to body?
  32. Confused with Toroid Transformer
  33. IGBT emitter to gate diode
  34. push pull converter 12Vdc to 310 V dc drain voltages problem,im confused
  35. hopefully sorta simple question. powering a chip amp
  36. 4A-5A Regulated 12-15V Supply
  37. Simple HF noise filter for 300VDC supply?
  38. Parallel Tube Rectifiers
  39. Sealed lead acid power supply circuit
  40. Tantalum bypass .1uf after the psu caps? Reduced RFI?
  41. Color coding
  42. Problem with voltage doubler circuit
  43. Denon PMA-520 Power supply
  44. will this power this amp
  45. X capacitors across power switch causing it to stop working?
  46. Covert to Variable voltage
  47. Stupid question re: Center Tap
  48. Power supply for mixer
  49. Is anyone familiar with this Transformer
  50. Glassware Janus Shunt or regulated B+ (like Salas) for tube headphone amp?
  51. Low noise symmetrical PSU TPS7A4701 and TPS7A3301
  52. paralleling 10uf polyster to the psu bank increases sound quality? any benefits?
  53. Klipsch RW-12D power supply with issues
  54. Advice on dual power supply needed.
  55. Please recommend Low noise regulator for 60V
  56. need a variable PSU
  57. Question about Voltage Multiplier
  58. Managing ATX power on etc with a TPS3510
  59. 12v to 18 volts converter
  60. Fuse and Diode blown on switch off
  61. Repurpose an X-BoSoZ PSU
  62. Pure USB powersupply
  63. anyone relocate an onboard 120/220 voltage selector switch?
  64. Xpiq ECM40USxx
  65. non feed-back emitter follower reg
  66. A very trivial way to check power supplies noise.
  67. Battery power amp has virtual earth point(+13v?). bi ampable with mains grounded amp?
  68. Bipolar cap as local decoupling ?
  69. multi-feed pwm 12-24v adjustable bench supply controller.
  70. Identifying AC mains smd devices (possibly PTCs)
  71. Apex A-class PSU problem
  72. JFET RIAA Phono power supply - which batteries are best?
  73. Charging 8 AA Batteries in Boombox?
  74. Slowblow fuse burns after power's been removed
  75. Where to find power supply or transformer ?
  76. LT1084 based power supply for NAS digital streaming
  77. Combine different sized rectifier caps?
  78. Toroid Primaries Question
  79. Bypass Caps
  80. Amps from China VS Crown Refence1
  81. simple tl431 regulation
  82. Pi filter for a 12V DC supply
  83. UK supplier of R or C core transformers?
  84. lm723 variable supply schematic question
  85. HQ low noise 5Vdc 2A PSU, kit or ready made?
  86. dual power supply noise issue
  87. AnTek Toroid Grounding
  88. 220 -> 2x50V whit IR2153 and PCB
  89. Interested in ADM7151 regulator?
  90. Multiple amp modules powered by one or two PS
  91. Question about electrical shock
  92. unused secondaries
  93. transformers and noise
  94. Interesting power supply module on Kickstarter
  95. transformer identification. need help.
  96. Paul Hynes power supplies nobody does it better
  97. GreenForce power supply
  98. Recommendations for a quality 'Off the Shelf' SMPS
  99. Filtering of HF content
  100. 0 on input VAC
  101. Electrolytic capacitors physical size
  102. Tascam M-2600 Power Supply Problem
  103. Laptop power supply 4 pole/ 4 pin plug and socket
  104. Problem with Jung regulator
  105. Switching Power Supply Safety & Mounting?
  106. variable voltage input=output inverter
  107. Local PS bypass caps.. are these good for audio?
  108. Can't we make SMPS simpler?
  109. Anyone Own a Diamond Audio D3 1000.1 amplifier?????
  110. Using the LM117K Adjustable Regulator
  111. Learning how to BUCK DC-DC
  112. Lepai LP-2020A+ amp with Anker Battery Supply
  113. Breaking my head over AC+DC heater reference
  114. diy power inverter
  115. Flyback SMPS question.
  116. Pi filters
  117. Center Tap VDC and -VDC and still use the 48VDC phantom power without doubler?
  118. Filter Choke Question
  119. Mounting toroidal transformers without proper monuting kit
  120. Constant voltage / constant current transformers
  121. Power smps for welding.
  122. help to make a simple psu for my LM3886
  123. TL431 High Voltage Regulator - How to get it thermally stable?
  124. ultra low noise like 50uV from the psu for 80V 15A possibility?
  125. Tl431, MOSFET shunt voltage regulator
  126. Linear PSU's in Parallel?
  127. regulated supply oscillation or whatever that is
  128. Series Pass Regulators driven by 3-terminal regulators
  129. Cunning Virtual Ground Circuit...
  130. Help identifying a PS
  131. Make your Printed Circuit Board (PCB):
  132. help id
  133. Which Resistor is the OPTIMAL Choice for Earthing/Grounding yourself ?
  134. 4.4VA 56VCT transformer powering more than I think it should (and not sagging)
  135. Voltage Tripler for Bias Tap
  136. Measuring power supplies - some results by Bjørn Kolbrek
  137. PSU transformer wiring help?
  138. ultra low noise PSU recommendations for VAS of the LME49830
  139. What would happen if ?
  140. Current capability of litz wire.
  141. Difference in +V/-V -- OK?
  142. help comparig & choosing between 1X230V or 2X150V transformers
  143. SMPS choice with 110/230v input
  144. A simple LT1763 based 5V PSU
  145. Zener Follower - what did i do wrong?
  146. LifePo BMS and audio quality
  147. Limiting resistor values
  148. Power transformer from Marantz SR2700?
  149. Transformer Help??????????????
  150. robbing from the positive rail
  151. LP-2020A+ power supply noise
  152. Anyone have the 3C6A ferrite material specification Sheet
  153. Power supply caps: They're not all equal
  154. Amp PS Building rookie questions
  155. How to check how dirty is the AC mains voltage
  156. Anyone here build power supplies as a service?
  157. Audible Illusions L1 Hissing Noise
  158. How to deal with Litz wire
  159. Parallel noise filters/traps for mains.
  160. milliamps, milliamps where do you go?
  161. Hooking up Power-One supply
  162. Question about tube amp supplies.
  163. ILP transformer va?
  164. How to knock the voltage down?
  165. decommissioned 3Par battery. help please?
  166. Help with 250V regulator
  167. Thoughts on running LED's from high voltage into a constant current sink.
  168. Control-to-Output or Open-Loop Measurement
  169. Bevois Mains Transformer
  170. Using off-the-shelf noname smps for gainclone/d-amp
  171. Noisy toroidal transformers
  172. Secondary wiring w/ 2 different windings
  173. Dc rail voltage increase on power Amplifer?
  174. NiMH Battery and charger, charge and run?
  175. 2kW Full Bridge SMPS Design
  176. 250Watt Class D Amplifier IRS2092S and IRFI4020H-117P
  177. Is it possible to use separate batteries for preamp and amp
  178. O-Audio Bash 500 psu schematics?
  179. Isolation transformer questions
  180. BASH amp from PSB Subsonic 5i, blown fuses
  181. current limiter power dissipation
  182. Buy used Pioneer A-400 then modify or buy brand new amp?
  183. grounding
  184. ebay dc booster
  185. I need a help about SG3525
  186. I need help ,SG3525 car amplifier smps
  187. Current regulator circuit for Bench Power Suppy
  188. Any pitfalls to running SMPS in series?
  189. parallel transformers
  190. LM317 over 37Volt ?
  191. Power supply for DIY 2.1 Kit
  192. Checking an old variac to see if it's safe to use.
  193. PS Filter
  194. Negative Power Supply
  195. Chaining power leads
  196. Home AC Voltage too High
  197. how to make cap6 inductors...?
  198. RC chains capacitor swap
  199. 3 Phase question
  200. Unregulated power supplies and noise
  201. Question on Building a separate power supply for F5TV3
  202. First PS problem switch on/off
  203. Comments on the a 350W Power Supply Build
  204. CheapoModo: quick and dirty transformer snubber bellringer jig
  205. Using Switching Converters in audio circuits
  206. Need some help?? Dont want to give up!!
  207. Recommended replacement for these bridge rectifiers
  208. Rectifier tube plate curve
  209. 12v battery draining
  210. First stereo amp build.
  211. LCD Repair, when not caps
  212. Newbie power question
  213. Power Supply Troubleshooting--No Voltage from Secondary Winding
  214. FR304 gets short circuit
  215. any benefit to this layout?
  216. resonant SMPS with Wurth WE-LLCR transformer
  217. transformer for F5TV3 question about Antek AN8234/ AN8434
  218. Question about Electrolytic Cap polarity
  219. Teac C-3X Pwr. Transformer Info. Needed
  220. Psım Full Bridge Feedback & Output Voltage Problem
  221. AUX PSU Check
  222. Surge protection - extension lead or MOV?
  223. 150Uh wanted on etd34
  224. Mystery Power Pop
  225. Transformers from technics SU-V8
  226. Current probe
  227. acoustic noise after transformer sort
  228. control two positive voltages with TL431CP
  229. series capacitors and bleeder resistors
  230. Soft Start Module Power Up
  231. Balanced DC output from a single 12v battery
  232. Powering a Car Amp for Home Use
  233. Can I use this supply
  234. Problem when powering heaters from +/- regs
  235. Soundcraft 400b
  236. Can I use this supply
  237. Analogue Metric Shunt Reg problem
  238. How much power can I get with IRFP460 PWM Full Brdige
  239. Transformer Windings
  240. Isolation transformer as power supply for tube amplifier
  241. Gapped power transformer as a choke
  242. Output Rectifier - Transformer Sound
  243. Power supply with transformer and batteries = fewer caps?
  244. Capacitor across diodes
  245. DC/DC converter for 12V/1A to 12V/2A
  246. Help for 500-600W 50V PS
  247. Clean switching of power MOS-FET
  248. Maida regulator ADJ bypass
  249. Need help with voltage regulator
  250. Why do I need regulator for small current?

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