View Full Version : Power Supplies

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

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