View Full Version : Power Supplies

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

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