View Full Version : Power Supplies

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  1. Beginners PSU bridge question, building external psu for power amp
  2. PSU with different voltages
  3. Hum problem in DAC - weird behavior - need help
  4. Hello and "historic" Power Supply
  5. Step down transformer to step up Pultec
  6. Temperature Controlled Fan For Laptop
  7. Looking for good quality toroid transformer manufacturer in China
  8. electrolytic cap suggestions for smps and tube
  9. transformer hum
  10. Converting un-switched to switched outlet (vintage receiver)
  11. Automatic transformer tap switcher for bench power supply
  12. APPJ mini 2013 RF issue
  13. power amplifire circuit
  14. Single Wall Supply for Pass B1 and Bugle2
  15. Power supply negative rail
  16. Validate PSU
  17. Soft start w inrush limiting and bypassing
  18. help with mosfet
  19. Help needed for building LI-Ion 9volt battery charger
  20. Randall right 100 no power
  21. Inductive Spike for Push-Pull car audio supply
  22. Hum in active speaker caused by floating flyback SMPS
  23. Suggestion for my setup
  24. Which Capacitors After LM78xx/LM79xx?
  25. Maxwell Supercapacitors instead of 5V linear power supply
  26. NAD 2140 simple issue
  27. PSU for BA-1
  28. Power supply HELP!!
  29. Is this right? PSU smoothing caps connect + to - ... ?
  30. External PSU EU regulations, need help with formula
  31. Cap for 12volts power supply
  32. power bml 435/2 ericsson
  33. eBay 800W +/- 50V SMPS PSU, anyone tried this?
  34. Adding Torodial winding - wire splice
  35. Pi filters
  36. Single and Split Supply from 1 PSU... Possible?
  37. Connecting Didden-Jung Super Reg Sense Lines
  38. Nissan Leaf Range Extender
  39. Filament secondaries in parallel
  40. SMPS Dual Supp
  41. Four PSU questions
  42. 300B's inserted wrong. OMG!
  43. Best Books, Application Notes and Threads concerning the Design of SMPS
  44. Transformer setup
  45. Power problem with KRK VXT-8
  46. 0V output with a 7809 at startup
  47. Small PS
  48. amp not working
  49. swapping caps in an old SMPS
  50. Mundorf mlytic Ag 2 pole vs 4 pole
  51. Toroidal center tap, or not to tap that is the ?
  52. EMI/RFI shielding
  53. Guitar Pedal power supply shorts to ground
  54. Transformer ID and Lead ID unKnown Help Needed
  55. 4 channel +/- from dual secondary
  56. How to improve an existing SMPS to use it with class D amplifiers
  57. Power Supply to Power Sound System - Indoor Show
  58. Rectifier Diode Snubber;
  59. Help with LM317 current limit indicator
  60. decouple power pins
  61. How to power Power Supply Regulator
  62. cables from power supply to tube mono blocks
  63. Shunt regulator +-15V
  64. PSU/schottky diode rectified
  65. Questions about building SMPS
  66. please help to identify a diode (power supply related)
  67. Power supply design question
  68. wiring on/off switch
  69. Marantz CD-50, 60 and 75dx transformers?
  70. Power supply for a 12AU7/IRF510 headphone amplifier
  71. Power supply build
  72. Which power supply for a TDA7293 board?
  73. powering a 50 w amplifier by battery???
  74. Voltage increase in powersupply
  75. How do I add delay start to a SG3525?
  76. Help with wiring r-core transformer
  77. Dual Secondary or single center tapped psu?Ground advantage?
  78. Is this transformer arrangement legal?
  79. Toroidal transformer help
  80. Floating chokes?
  81. Antek Shielded transformer mounting bolt and other grounding questions
  82. how to measure 10.000uF
  83. How to regulate battery power
  84. psu damage input connection
  85. Looking For A EI Decent Transformer
  86. How do I bootstrap this IC?
  87. Negative voltage linear regulator for a preamp
  88. why sag?
  89. Conversion of +/-37v Amplifier SMPS +/-75vdc ?? PLEASE HELP
  90. A simplistic HV delay timer
  91. How to improve transient load response of an LM317 voltage regulator circuit?
  92. Technics SU-8080 Twin PSUs
  93. Do I really need a power supply for my home recording studio?
  94. Too much ampere into class D amp?
  95. Preregulation CRC for Belleson Regulators
  96. PSUD2 Help
  97. Toroidal Transformer Inrush & Capacitor Slow Charge
  98. R-Core Crash Course
  99. Output impedance of the LM317 at 1Mhz?
  100. Power Supply Rectifier question
  101. TL494 Getting Hot - Car Amp SMPS Fail
  102. Mr. Jung's ultra-low noise VREF - the GLED431
  103. Fixed -5v regulator for dac?
  104. Complete PSU with ADM715x regulator
  105. Triac / Optocoupler power switch
  106. Transformer coil for Naim 140 PSU advice
  107. United Chemi-con 35V 56,000uf cap power supply
  108. Removed hum in class a amp by swapping transformer
  109. LT1761ES5-5 alternative
  110. AMS 1117 alternatives
  111. Best Resistor Selection For Snubber
  112. TPS7A4701 regulator pcb design made pls check
  113. Need help with alpine Mrv-f409
  114. I heard about the Linear Audio article on Soft Recovery diodes, and ...
  115. Chromecast Audio plus Class D amp, how to power them?
  116. Struggle with TPS7A4701
  117. Building power supply for O2/ODAC & Raspberry Pi
  118. Transformer orientation - does it really matter?
  119. Lowering heat and power in power supply - ideas needed
  120. hacking the power supplies
  121. Minion Style Power Supply
  122. One power supply for 2 amp chips
  123. Technical note from repair of Crown XLS 602
  124. When does a centre tap become a 0 volt/ground line?
  126. Power Supply for 4 channels of Hypex UCD 180
  127. Transformer question
  128. circuit to identify the ground and Neutral and turn on the amp
  129. How to mount a bunch of snap-in caps?
  130. Question about a LM317 circuit
  131. Using an LM317/Lm337 PCB to make a zener regulated or capacitance multiplier supply
  132. Snubber won't supress PSU rectifier noise
  133. Jung regulator revisited
  134. Duel rectified linear power supply drawing for copper clad
  135. Tamura A-4004 question
  136. 15V power supply output voltage help
  137. 3 Pin Power Supply
  138. Battery supply questions
  139. HP DPS-800GBA; Getting stand-alone PS to work
  140. Charging/maintaining 18v of SLA battery with 20v laptop PSU?
  141. Voltage Regulator FIltering Caps
  142. 5Z3C or 5Z8C for a GM70 PSU?
  143. need a little help with identification PT
  144. Fender Transformers
  145. Switch for High Voltage Taps
  146. A bit of fun with this very unusual LDO regulator
  147. password control panel generator set
  148. Noob needs a quick help
  149. Big choke Little choke
  150. Powersupply
  151. Is there any good 12v power bank?
  152. LM10 as HV regulator
  153. Indicator light in bleeder circuit to indicate when Caps are still charged
  154. Need a Beefy (600ma, 250V) Regulated B+ for an OTL
  155. TSE Power Supply
  156. How Do I Modify Commercial LM723 Regulator Circuits
  157. Unusual Centre Tapped Transformer
  158. Sun Fender SR8520 P mixer
  159. Audio concepts legend C30 pre amp
  160. Fully regulated power supply
  161. Chargecontroller for LIFePO4
  162. Treating dual primaries like one is a secondary
  163. Vinni Rossi Pure DC-4-EVR Ultracapacitor Technology
  164. I need a 24vdc, 5 amp regulated supply
  165. AC Power Problem
  166. Please help me find a power supply for this dac/amp that claims to take anything with
  167. diy power supply
  168. simple low noise regulated supply
  169. nominal current
  170. Thermal considerations for Fairchild SDIP bridge rectifiers
  171. Noisy LR8 circuit
  172. LM7805
  173. Rod Coleman raw supply circuit board
  174. Longwell plug top with LPF
  175. Regulated Power supply for amp
  176. Replacing power supply capcitors on Laney amp
  177. Power supply board with loudspeakers protection
  178. diode going into a tube rectifier
  179. elliot smps project89
  180. Xentek XE240-12
  181. Capacitance
  182. Isolated sub chassis
  183. HOT ROD Dcb1 questions
  184. Adding Primary Turns to reduce the Secondary Voltage.
  185. First power supply clarification questions
  186. double the current, keep the voltage?
  187. HV Tube bench power supply
  188. HV Supply in Heathkit
  189. Simple voltage regulator
  190. Is This a Bad idea? -"Capacitor box"
  191. Hgh current regulators
  192. Can anyone identify this power supply noise?
  193. Some help with building a battery power supply
  194. DIY filament PS for 6AS7G
  195. Solid state power supply for tube amplifier.
  196. Power Transformer Rating Mythology?
  197. basic question about audio power
  198. Dropping Transformer Voltage
  199. 230V Distribution Box with DC blocker and 2 stage AC Filter
  200. Need help about Toroidal transformer core
  201. inductor in series with transformer primary to reduce secondary voltage?
  202. Need to drop vdc voltage in my B+ supply
  203. Help me to find this power recepticle.
  204. how to wire antek transformator to E-01 AMP?
  205. Capacitor bank for ps supply filter
  206. Ultra-Fast Avalanche Sinterglass Diode for small current psu rectification?
  207. Salas Bib questions
  208. Power supply CD PRO2
  209. Connect to what?
  210. Converting my Sun Audio monoblocks to IEC and safety earth
  211. Luxman RV-357 Standby LED Indicator???
  212. dc/dc isolated transformer
  213. 3-pin PSU's for 1.2V, 3.3V and 5V?
  214. Marantz PM4400 - Change 230V to 115V
  215. output impedance in shunt reg sim
  216. Need Power Supply
  217. Power relay
  218. 5AR4 in a input choke
  219. Question on Vacuum State SuperReg
  220. 48V phantom power supply keeps blowing fuse
  221. Laminations - who needs 'em
  222. What choke is best
  223. Which power cable between separate power supply and dac?
  224. 4-pole cap in bipolar power supply
  225. Variable Power Supply
  226. ATX supply -> Cmoy, single or split?
  227. xd218 4x10000uF 100v board
  228. Variable-delay output muting PCB for preamps, linestages, et al
  229. Single touch power on/off switch
  230. NAD VISO 1 Power Supply
  231. LLC resonant power suply design
  232. Noob Trafo question
  233. Power supply ratings when using step down voltage regulators
  234. Stacking board level heatsinks
  235. Proper RC Snubbering
  236. Help lowering noise in big series pass regulator circuit
  237. Bucking transformer current load
  238. Leakage inductance of a transformer
  239. Lithium-ion power bank
  240. Help with discrete voltage regulator
  241. LiFePO4 battery psu for PUC2 Lite USB-AES converter
  242. PSU RC filter vs. VR regulator tube
  243. Boost Converter w/ positive AND negative output
  244. 55 MHz opamp + MOSFET pass xitor in 1 amp Voltage Regulator
  245. Multipurpose Transfo,Dual (+/-)DC Power for Pre and Power Amp 's
  246. Harman Kardon HK775 mono amp capacitor power rating
  247. Reccomend a small transformer for power supply?
  248. designing a DC to DC buck converter Layout errors.
  249. Power supply for tube preamp - Help!
  250. Help with inductor and capacitor values?

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