View Full Version : Power Supplies

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  1. Bought wrong PT, how can I save this project?
  2. How to calculate power of unknowm transformer
  3. High Voltage supply for an Electrostatic speaker
  4. How to understand description of different transformers
  5. Chokes
  6. Beginners PSU bridge question, building external psu for power amp
  7. PSU with different voltages
  8. Hum problem in DAC - weird behavior - need help
  9. Hello and "historic" Power Supply
  10. Step down transformer to step up Pultec
  11. Temperature Controlled Fan For Laptop
  12. Looking for good quality toroid transformer manufacturer in China
  13. electrolytic cap suggestions for smps and tube
  14. transformer hum
  15. Converting un-switched to switched outlet (vintage receiver)
  16. Automatic transformer tap switcher for bench power supply
  17. APPJ mini 2013 RF issue
  18. power amplifire circuit
  19. Single Wall Supply for Pass B1 and Bugle2
  20. Power supply negative rail
  21. Validate PSU
  22. Soft start w inrush limiting and bypassing
  23. help with mosfet
  24. Help needed for building LI-Ion 9volt battery charger
  25. Randall right 100 no power
  26. Inductive Spike for Push-Pull car audio supply
  27. Hum in active speaker caused by floating flyback SMPS
  28. Suggestion for my setup
  29. Which Capacitors After LM78xx/LM79xx?
  30. Maxwell Supercapacitors instead of 5V linear power supply
  31. NAD 2140 simple issue
  32. PSU for BA-1
  33. Power supply HELP!!
  34. Is this right? PSU smoothing caps connect + to - ... ?
  35. External PSU EU regulations, need help with formula
  36. Cap for 12volts power supply
  37. power bml 435/2 ericsson
  38. eBay 800W +/- 50V SMPS PSU, anyone tried this?
  39. Adding Torodial winding - wire splice
  40. Pi filters
  41. Single and Split Supply from 1 PSU... Possible?
  42. Connecting Didden-Jung Super Reg Sense Lines
  43. Nissan Leaf Range Extender
  44. Filament secondaries in parallel
  45. SMPS Dual Supp
  46. Four PSU questions
  47. 300B's inserted wrong. OMG!
  48. Best Books, Application Notes and Threads concerning the Design of SMPS
  49. Transformer setup
  50. Power problem with KRK VXT-8
  51. 0V output with a 7809 at startup
  52. Small PS
  53. amp not working
  54. swapping caps in an old SMPS
  55. Mundorf mlytic Ag 2 pole vs 4 pole
  56. Toroidal center tap, or not to tap that is the ?
  57. EMI/RFI shielding
  58. Guitar Pedal power supply shorts to ground
  59. Transformer ID and Lead ID unKnown Help Needed
  60. 4 channel +/- from dual secondary
  61. How to improve an existing SMPS to use it with class D amplifiers
  62. Power Supply to Power Sound System - Indoor Show
  63. Rectifier Diode Snubber;
  64. Help with LM317 current limit indicator
  65. decouple power pins
  66. How to power Power Supply Regulator
  67. cables from power supply to tube mono blocks
  68. Shunt regulator +-15V
  69. PSU/schottky diode rectified
  70. Questions about building SMPS
  71. please help to identify a diode (power supply related)
  72. Power supply design question
  73. wiring on/off switch
  74. Marantz CD-50, 60 and 75dx transformers?
  75. Power supply for a 12AU7/IRF510 headphone amplifier
  76. Power supply build
  77. Which power supply for a TDA7293 board?
  78. powering a 50 w amplifier by battery???
  79. Voltage increase in powersupply
  80. How do I add delay start to a SG3525?
  81. Help with wiring r-core transformer
  82. Dual Secondary or single center tapped psu?Ground advantage?
  83. Is this transformer arrangement legal?
  84. Toroidal transformer help
  85. Floating chokes?
  86. Antek Shielded transformer mounting bolt and other grounding questions
  87. how to measure 10.000uF
  88. How to regulate battery power
  89. psu damage input connection
  90. Looking For A EI Decent Transformer
  91. How do I bootstrap this IC?
  92. Negative voltage linear regulator for a preamp
  93. why sag?
  94. Conversion of +/-37v Amplifier SMPS +/-75vdc ?? PLEASE HELP
  95. A simplistic HV delay timer
  96. How to improve transient load response of an LM317 voltage regulator circuit?
  97. Technics SU-8080 Twin PSUs
  98. Do I really need a power supply for my home recording studio?
  99. Too much ampere into class D amp?
  100. Preregulation CRC for Belleson Regulators
  101. PSUD2 Help
  102. Toroidal Transformer Inrush & Capacitor Slow Charge
  103. R-Core Crash Course
  104. Output impedance of the LM317 at 1Mhz?
  105. Power Supply Rectifier question
  106. TL494 Getting Hot - Car Amp SMPS Fail
  107. Mr. Jung's ultra-low noise VREF - the GLED431
  108. Fixed -5v regulator for dac?
  109. Complete PSU with ADM715x regulator
  110. Triac / Optocoupler power switch
  111. Transformer coil for Naim 140 PSU advice
  112. United Chemi-con 35V 56,000uf cap power supply
  113. Removed hum in class a amp by swapping transformer
  114. LT1761ES5-5 alternative
  115. AMS 1117 alternatives
  116. Best Resistor Selection For Snubber
  117. TPS7A4701 regulator pcb design made pls check
  118. Need help with alpine Mrv-f409
  119. I heard about the Linear Audio article on Soft Recovery diodes, and ...
  120. Chromecast Audio plus Class D amp, how to power them?
  121. Struggle with TPS7A4701
  122. Building power supply for O2/ODAC & Raspberry Pi
  123. Transformer orientation - does it really matter?
  124. Lowering heat and power in power supply - ideas needed
  125. hacking the power supplies
  126. Minion Style Power Supply
  127. One power supply for 2 amp chips
  128. Technical note from repair of Crown XLS 602
  129. When does a centre tap become a 0 volt/ground line?
  131. Power Supply for 4 channels of Hypex UCD 180
  132. Transformer question
  133. circuit to identify the ground and Neutral and turn on the amp
  134. How to mount a bunch of snap-in caps?
  135. Question about a LM317 circuit
  136. Using an LM317/Lm337 PCB to make a zener regulated or capacitance multiplier supply
  137. Snubber won't supress PSU rectifier noise
  138. Jung regulator revisited
  139. Duel rectified linear power supply drawing for copper clad
  140. Tamura A-4004 question
  141. 15V power supply output voltage help
  142. 3 Pin Power Supply
  143. Battery supply questions
  144. HP DPS-800GBA; Getting stand-alone PS to work
  145. Charging/maintaining 18v of SLA battery with 20v laptop PSU?
  146. Voltage Regulator FIltering Caps
  147. 5Z3C or 5Z8C for a GM70 PSU?
  148. need a little help with identification PT
  149. Fender Transformers
  150. Switch for High Voltage Taps
  151. A bit of fun with this very unusual LDO regulator
  152. password control panel generator set
  153. Noob needs a quick help
  154. Big choke Little choke
  155. Powersupply
  156. Is there any good 12v power bank?
  157. LM10 as HV regulator
  158. Indicator light in bleeder circuit to indicate when Caps are still charged
  159. Need a Beefy (600ma, 250V) Regulated B+ for an OTL
  160. TSE Power Supply
  161. How Do I Modify Commercial LM723 Regulator Circuits
  162. Unusual Centre Tapped Transformer
  163. Sun Fender SR8520 P mixer
  164. Audio concepts legend C30 pre amp
  165. Fully regulated power supply
  166. Chargecontroller for LIFePO4
  167. Treating dual primaries like one is a secondary
  168. Vinni Rossi Pure DC-4-EVR Ultracapacitor Technology
  169. I need a 24vdc, 5 amp regulated supply
  170. AC Power Problem
  171. Please help me find a power supply for this dac/amp that claims to take anything with
  172. diy power supply
  173. simple low noise regulated supply
  174. nominal current
  175. Thermal considerations for Fairchild SDIP bridge rectifiers
  176. Noisy LR8 circuit
  177. LM7805
  178. Rod Coleman raw supply circuit board
  179. Longwell plug top with LPF
  180. Regulated Power supply for amp
  181. Replacing power supply capcitors on Laney amp
  182. Power supply board with loudspeakers protection
  183. diode going into a tube rectifier
  184. elliot smps project89
  185. Xentek XE240-12
  186. Capacitance
  187. Isolated sub chassis
  188. HOT ROD Dcb1 questions
  189. Adding Primary Turns to reduce the Secondary Voltage.
  190. First power supply clarification questions
  191. double the current, keep the voltage?
  192. HV Tube bench power supply
  193. HV Supply in Heathkit
  194. Simple voltage regulator
  195. Is This a Bad idea? -"Capacitor box"
  196. Hgh current regulators
  197. Can anyone identify this power supply noise?
  198. Some help with building a battery power supply
  199. DIY filament PS for 6AS7G
  200. Solid state power supply for tube amplifier.
  201. Power Transformer Rating Mythology?
  202. basic question about audio power
  203. Dropping Transformer Voltage
  204. 230V Distribution Box with DC blocker and 2 stage AC Filter
  205. Need help about Toroidal transformer core
  206. inductor in series with transformer primary to reduce secondary voltage?
  207. Need to drop vdc voltage in my B+ supply
  208. Help me to find this power recepticle.
  209. how to wire antek transformator to E-01 AMP?
  210. Capacitor bank for ps supply filter
  211. Ultra-Fast Avalanche Sinterglass Diode for small current psu rectification?
  212. Salas Bib questions
  213. Power supply CD PRO2
  214. Connect to what?
  215. Converting my Sun Audio monoblocks to IEC and safety earth
  216. Luxman RV-357 Standby LED Indicator???
  217. dc/dc isolated transformer
  218. 3-pin PSU's for 1.2V, 3.3V and 5V?
  219. Marantz PM4400 - Change 230V to 115V
  220. output impedance in shunt reg sim
  221. Need Power Supply
  222. Power relay
  223. 5AR4 in a input choke
  224. Question on Vacuum State SuperReg
  225. 48V phantom power supply keeps blowing fuse
  226. Laminations - who needs 'em
  227. What choke is best
  228. Which power cable between separate power supply and dac?
  229. 4-pole cap in bipolar power supply
  230. Variable Power Supply
  231. ATX supply -> Cmoy, single or split?
  232. xd218 4x10000uF 100v board
  233. Variable-delay output muting PCB for preamps, linestages, et al
  234. Single touch power on/off switch
  235. NAD VISO 1 Power Supply
  236. LLC resonant power suply design
  237. Noob Trafo question
  238. Power supply ratings when using step down voltage regulators
  239. Stacking board level heatsinks
  240. Proper RC Snubbering
  241. Help lowering noise in big series pass regulator circuit
  242. Bucking transformer current load
  243. Leakage inductance of a transformer
  244. Lithium-ion power bank
  245. Help with discrete voltage regulator
  246. LiFePO4 battery psu for PUC2 Lite USB-AES converter
  247. PSU RC filter vs. VR regulator tube
  248. Boost Converter w/ positive AND negative output
  249. 55 MHz opamp + MOSFET pass xitor in 1 amp Voltage Regulator
  250. Multipurpose Transfo,Dual (+/-)DC Power for Pre and Power Amp 's

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