View Full Version : Power Supplies

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  1. Power Factor and the need for correction
  2. Pico's Simple Shunt Regulator
  3. Puzzler: Transformer hum with soft-start modification on GFA-565
  4. How to connect this choke
  5. Linear announces "negative" complement to LT3080
  6. 18650 battery pack
  7. Help with Glassware ps-14 for Octal 8
  8. SLA batteries wideband noise.
  9. Power transformer for AX84
  10. Western electric J64001AM Power supply - Need help identifying a part
  11. Wiring for several different voltages
  12. LiFePo4
  13. Diy Bench power supply Oscillating with Inductive load.
  14. Tube Amp PS - Feasible Boost Converter?
  15. Supply for amps - help with pcb
  16. Help please. Want to make unipolar power supply from center tapped transformer
  17. Newbie Help! Current vs Watts Question
  18. WTBBB a Quasimodo Test Jig
  19. capacitor outside foil Directions in this situation circuit
  20. 1n400x for gainclone?
  21. Proper way to adjust output voltage
  22. Goofy project, need 300~volts for automotive
  23. Fuses and heat dissipation
  24. Bench Power Supply
  25. blown fuses in dual fuse iec inlet
  26. CCS values
  27. f5 Turbo power supply
  28. Linear regulator (LT1084,LT1083,LM338, )
  29. Plasma speaker... how much amps?
  30. G2 protection Voltage comparator circuit
  31. low noise split power supply
  32. Dirty voltage PC Power Supply
  33. Issue with 48V and 24V power supply for mic preamp
  34. PSU noise
  35. Transformer amp replacement
  36. Gapped cores ... where to buy
  37. Diode reverse voltage w/center tapped transformer
  38. Creating dual supply from two power supplies
  39. LM317 LM337 powersupply
  40. Help with replacing capacitors
  41. Gnd problem please help me
  42. 24 to 48 v high Amperage?
  43. LM317/337 Series Tracking Preregulator - preloading with CCS.
  44. Best choose of different PS designs
  45. Transformer Help
  46. DC power supply for DAC
  47. Help identifying resistor
  48. Light Bulb Current Limiter FOR 230V MAIN
  49. So i have build a super Regulator and cant measure its performance
  50. How to determine the needed B+
  51. New Workshop Sounds....
  52. High current OP Amp as DC Voltage Regulator IC?
  53. Soft start question
  54. Shunt reg PCB, anyone familiar with this one?
  55. Bought wrong PT, how can I save this project?
  56. How to calculate power of unknowm transformer
  57. High Voltage supply for an Electrostatic speaker
  58. How to understand description of different transformers
  59. Chokes
  60. Beginners PSU bridge question, building external psu for power amp
  61. PSU with different voltages
  62. Hum problem in DAC - weird behavior - need help
  63. Hello and "historic" Power Supply
  64. Step down transformer to step up Pultec
  65. Temperature Controlled Fan For Laptop
  66. Looking for good quality toroid transformer manufacturer in China
  67. electrolytic cap suggestions for smps and tube
  68. transformer hum
  69. Converting un-switched to switched outlet (vintage receiver)
  70. Automatic transformer tap switcher for bench power supply
  71. APPJ mini 2013 RF issue
  72. power amplifire circuit
  73. Single Wall Supply for Pass B1 and Bugle2
  74. Power supply negative rail
  75. Validate PSU
  76. Soft start w inrush limiting and bypassing
  77. help with mosfet
  78. Help needed for building LI-Ion 9volt battery charger
  79. Randall right 100 no power
  80. Inductive Spike for Push-Pull car audio supply
  81. Hum in active speaker caused by floating flyback SMPS
  82. Suggestion for my setup
  83. Which Capacitors After LM78xx/LM79xx?
  84. Maxwell Supercapacitors instead of 5V linear power supply
  85. NAD 2140 simple issue
  86. PSU for BA-1
  87. Power supply HELP!!
  88. Is this right? PSU smoothing caps connect + to - ... ?
  89. External PSU EU regulations, need help with formula
  90. Cap for 12volts power supply
  91. power bml 435/2 ericsson
  92. eBay 800W +/- 50V SMPS PSU, anyone tried this?
  93. Adding Torodial winding - wire splice
  94. Pi filters
  95. Single and Split Supply from 1 PSU... Possible?
  96. Connecting Didden-Jung Super Reg Sense Lines
  97. Nissan Leaf Range Extender
  98. Filament secondaries in parallel
  99. SMPS Dual Supp
  100. Four PSU questions
  101. 300B's inserted wrong. OMG!
  102. Best Books, Application Notes and Threads concerning the Design of SMPS
  103. Transformer setup
  104. Power problem with KRK VXT-8
  105. 0V output with a 7809 at startup
  106. Small PS
  107. amp not working
  108. swapping caps in an old SMPS
  109. Mundorf mlytic Ag 2 pole vs 4 pole
  110. Toroidal center tap, or not to tap that is the ?
  111. EMI/RFI shielding
  112. Guitar Pedal power supply shorts to ground
  113. Transformer ID and Lead ID unKnown Help Needed
  114. 4 channel +/- from dual secondary
  115. How to improve an existing SMPS to use it with class D amplifiers
  116. Power Supply to Power Sound System - Indoor Show
  117. Rectifier Diode Snubber;
  118. Help with LM317 current limit indicator
  119. decouple power pins
  120. How to power Power Supply Regulator
  121. cables from power supply to tube mono blocks
  122. Shunt regulator +-15V
  123. PSU/schottky diode rectified
  124. Questions about building SMPS
  125. please help to identify a diode (power supply related)
  126. Power supply design question
  127. wiring on/off switch
  128. Marantz CD-50, 60 and 75dx transformers?
  129. Power supply for a 12AU7/IRF510 headphone amplifier
  130. Power supply build
  131. Which power supply for a TDA7293 board?
  132. powering a 50 w amplifier by battery???
  133. Voltage increase in powersupply
  134. How do I add delay start to a SG3525?
  135. Help with wiring r-core transformer
  136. Dual Secondary or single center tapped psu?Ground advantage?
  137. Is this transformer arrangement legal?
  138. Toroidal transformer help
  139. Floating chokes?
  140. Antek Shielded transformer mounting bolt and other grounding questions
  141. how to measure 10.000uF
  142. How to regulate battery power
  143. psu damage input connection
  144. Looking For A EI Decent Transformer
  145. How do I bootstrap this IC?
  146. Negative voltage linear regulator for a preamp
  147. why sag?
  148. Conversion of +/-37v Amplifier SMPS +/-75vdc ?? PLEASE HELP
  149. A simplistic HV delay timer
  150. How to improve transient load response of an LM317 voltage regulator circuit?
  151. Technics SU-8080 Twin PSUs
  152. Do I really need a power supply for my home recording studio?
  153. Too much ampere into class D amp?
  154. Preregulation CRC for Belleson Regulators
  155. PSUD2 Help
  156. Toroidal Transformer Inrush & Capacitor Slow Charge
  157. R-Core Crash Course
  158. Output impedance of the LM317 at 1Mhz?
  159. Power Supply Rectifier question
  160. TL494 Getting Hot - Car Amp SMPS Fail
  161. Mr. Jung's ultra-low noise VREF - the GLED431
  162. Fixed -5v regulator for dac?
  163. Complete PSU with ADM715x regulator
  164. Triac / Optocoupler power switch
  165. Transformer coil for Naim 140 PSU advice
  166. United Chemi-con 35V 56,000uf cap power supply
  167. Removed hum in class a amp by swapping transformer
  168. LT1761ES5-5 alternative
  169. AMS 1117 alternatives
  170. Best Resistor Selection For Snubber
  171. TPS7A4701 regulator pcb design made pls check
  172. Need help with alpine Mrv-f409
  173. I heard about the Linear Audio article on Soft Recovery diodes, and ...
  174. Chromecast Audio plus Class D amp, how to power them?
  175. Struggle with TPS7A4701
  176. Building power supply for O2/ODAC & Raspberry Pi
  177. Transformer orientation - does it really matter?
  178. Lowering heat and power in power supply - ideas needed
  179. hacking the power supplies
  180. Minion Style Power Supply
  181. One power supply for 2 amp chips
  182. Technical note from repair of Crown XLS 602
  183. When does a centre tap become a 0 volt/ground line?
  185. Power Supply for 4 channels of Hypex UCD 180
  186. Transformer question
  187. circuit to identify the ground and Neutral and turn on the amp
  188. How to mount a bunch of snap-in caps?
  189. Question about a LM317 circuit
  190. Using an LM317/Lm337 PCB to make a zener regulated or capacitance multiplier supply
  191. Snubber won't supress PSU rectifier noise
  192. Jung regulator revisited
  193. Duel rectified linear power supply drawing for copper clad
  194. Tamura A-4004 question
  195. 15V power supply output voltage help
  196. 3 Pin Power Supply
  197. Battery supply questions
  198. HP DPS-800GBA; Getting stand-alone PS to work
  199. Charging/maintaining 18v of SLA battery with 20v laptop PSU?
  200. Voltage Regulator FIltering Caps
  201. 5Z3C or 5Z8C for a GM70 PSU?
  202. need a little help with identification PT
  203. Fender Transformers
  204. Switch for High Voltage Taps
  205. A bit of fun with this very unusual LDO regulator
  206. password control panel generator set
  207. Noob needs a quick help
  208. Big choke Little choke
  209. Powersupply
  210. Is there any good 12v power bank?
  211. LM10 as HV regulator
  212. Indicator light in bleeder circuit to indicate when Caps are still charged
  213. Need a Beefy (600ma, 250V) Regulated B+ for an OTL
  214. TSE Power Supply
  215. How Do I Modify Commercial LM723 Regulator Circuits
  216. Unusual Centre Tapped Transformer
  217. Sun Fender SR8520 P mixer
  218. Audio concepts legend C30 pre amp
  219. Fully regulated power supply
  220. Chargecontroller for LIFePO4
  221. Treating dual primaries like one is a secondary
  222. Vinni Rossi Pure DC-4-EVR Ultracapacitor Technology
  223. I need a 24vdc, 5 amp regulated supply
  224. AC Power Problem
  225. Please help me find a power supply for this dac/amp that claims to take anything with
  226. diy power supply
  227. simple low noise regulated supply
  228. nominal current
  229. Thermal considerations for Fairchild SDIP bridge rectifiers
  230. Noisy LR8 circuit
  231. LM7805
  232. Rod Coleman raw supply circuit board
  233. Longwell plug top with LPF
  234. Regulated Power supply for amp
  235. Replacing power supply capcitors on Laney amp
  236. Power supply board with loudspeakers protection
  237. diode going into a tube rectifier
  238. elliot smps project89
  239. Xentek XE240-12
  240. Capacitance
  241. Isolated sub chassis
  242. HOT ROD Dcb1 questions
  243. Adding Primary Turns to reduce the Secondary Voltage.
  244. First power supply clarification questions
  245. double the current, keep the voltage?
  246. HV Tube bench power supply
  247. HV Supply in Heathkit
  248. Simple voltage regulator
  249. Is This a Bad idea? -"Capacitor box"
  250. Hgh current regulators

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