View Full Version : Power Supplies

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  1. Symmetrical Pre-regulator from a floating winding
  2. Transformer alarmingly hot
  3. Cheaper Gainclone PSU
  4. Grounding TPS7A4700 based supply
  5. Benchmark's super quiet SPS
  6. Sziklai/Darlington AD817A regulator circuit
  7. Efficient dual rail DC power supply for car audio
  8. Stand alone power supply
  9. Dual rail supply help
  10. Star ground in an LCLC filter
  11. What 3VA power transformer meets Energy Star / IEC 62301 sub-1W vampire power spec?
  12. Pop when power on
  13. Compact DIY friendly dual TPS7A3301 power supply
  14. CiAudio VDC-SB Power Supply
  15. LM338K not being able to provide current
  16. LT3080 High Voltage Floating Regulator
  17. High Voltage isolated DC-DC converter
  18. SMPS output coupled inductors
  19. Variable power supply for tube amps
  20. Stacked Power Supply
  21. op amp rectifier bridge with gain
  22. !!!Newbie topic ;-) 12v to 9v regulator
  23. Would someone please sense check my calcs ?
  24. Transformer locations
  25. Which PCB for power supply?
  26. ez81 power supply
  27. Soft start kit - recommendation needed
  28. Help with Broskie SS tube power supply
  29. Inrush current limiting scenario
  30. Low noise psu 19V 65W 3.42A
  31. BF245B pin out confusion
  32. smps 2000va max for audio with simple component has to find and not expensive
  33. Testing power supplies/ transient testing
  34. Power Transformer Data
  35. recommend 12VDC to about 24VDC booster
  36. Power supply for TDA7294 100w Amplifier
  37. Keen Ocean toroidal question
  38. Mains hum for sure?
  39. Multiple low voltages required
  40. Power Factor and the need for correction
  41. Pico's Simple Shunt Regulator
  42. Puzzler: Transformer hum with soft-start modification on GFA-565
  43. How to connect this choke
  44. Linear announces "negative" complement to LT3080
  45. 18650 battery pack
  46. Help with Glassware ps-14 for Octal 8
  47. SLA batteries wideband noise.
  48. Power transformer for AX84
  49. Western electric J64001AM Power supply - Need help identifying a part
  50. Wiring for several different voltages
  51. LiFePo4
  52. Diy Bench power supply Oscillating with Inductive load.
  53. Tube Amp PS - Feasible Boost Converter?
  54. Supply for amps - help with pcb
  55. Help please. Want to make unipolar power supply from center tapped transformer
  56. Newbie Help! Current vs Watts Question
  57. WTBBB a Quasimodo Test Jig
  58. capacitor outside foil Directions in this situation circuit
  59. 1n400x for gainclone?
  60. Proper way to adjust output voltage
  61. Goofy project, need 300~volts for automotive
  62. Fuses and heat dissipation
  63. Bench Power Supply
  64. blown fuses in dual fuse iec inlet
  65. CCS values
  66. f5 Turbo power supply
  67. Linear regulator (LT1084,LT1083,LM338, )
  68. Plasma speaker... how much amps?
  69. G2 protection Voltage comparator circuit
  70. low noise split power supply
  71. Dirty voltage PC Power Supply
  72. Issue with 48V and 24V power supply for mic preamp
  73. PSU noise
  74. Transformer amp replacement
  75. Gapped cores ... where to buy
  76. Diode reverse voltage w/center tapped transformer
  77. Creating dual supply from two power supplies
  78. LM317 LM337 powersupply
  79. Help with replacing capacitors
  80. Gnd problem please help me
  81. 24 to 48 v high Amperage?
  82. LM317/337 Series Tracking Preregulator - preloading with CCS.
  83. Best choose of different PS designs
  84. Transformer Help
  85. DC power supply for DAC
  86. Help identifying resistor
  87. Light Bulb Current Limiter FOR 230V MAIN
  88. So i have build a super Regulator and cant measure its performance
  89. How to determine the needed B+
  90. New Workshop Sounds....
  91. High current OP Amp as DC Voltage Regulator IC?
  92. Soft start question
  93. Shunt reg PCB, anyone familiar with this one?
  94. Bought wrong PT, how can I save this project?
  95. How to calculate power of unknowm transformer
  96. High Voltage supply for an Electrostatic speaker
  97. How to understand description of different transformers
  98. Chokes
  99. Beginners PSU bridge question, building external psu for power amp
  100. PSU with different voltages
  101. Hum problem in DAC - weird behavior - need help
  102. Hello and "historic" Power Supply
  103. Step down transformer to step up Pultec
  104. Temperature Controlled Fan For Laptop
  105. Looking for good quality toroid transformer manufacturer in China
  106. electrolytic cap suggestions for smps and tube
  107. transformer hum
  108. Converting un-switched to switched outlet (vintage receiver)
  109. Automatic transformer tap switcher for bench power supply
  110. APPJ mini 2013 RF issue
  111. power amplifire circuit
  112. Single Wall Supply for Pass B1 and Bugle2
  113. Power supply negative rail
  114. Validate PSU
  115. Soft start w inrush limiting and bypassing
  116. help with mosfet
  117. Help needed for building LI-Ion 9volt battery charger
  118. Randall right 100 no power
  119. Inductive Spike for Push-Pull car audio supply
  120. Hum in active speaker caused by floating flyback SMPS
  121. Suggestion for my setup
  122. Which Capacitors After LM78xx/LM79xx?
  123. Maxwell Supercapacitors instead of 5V linear power supply
  124. NAD 2140 simple issue
  125. PSU for BA-1
  126. Power supply HELP!!
  127. Is this right? PSU smoothing caps connect + to - ... ?
  128. External PSU EU regulations, need help with formula
  129. Cap for 12volts power supply
  130. power bml 435/2 ericsson
  131. eBay 800W +/- 50V SMPS PSU, anyone tried this?
  132. Adding Torodial winding - wire splice
  133. Pi filters
  134. Single and Split Supply from 1 PSU... Possible?
  135. Connecting Didden-Jung Super Reg Sense Lines
  136. Nissan Leaf Range Extender
  137. Filament secondaries in parallel
  138. SMPS Dual Supp
  139. Four PSU questions
  140. 300B's inserted wrong. OMG!
  141. Best Books, Application Notes and Threads concerning the Design of SMPS
  142. Transformer setup
  143. Power problem with KRK VXT-8
  144. 0V output with a 7809 at startup
  145. Small PS
  146. amp not working
  147. swapping caps in an old SMPS
  148. Mundorf mlytic Ag 2 pole vs 4 pole
  149. Toroidal center tap, or not to tap that is the ?
  150. EMI/RFI shielding
  151. Guitar Pedal power supply shorts to ground
  152. Transformer ID and Lead ID unKnown Help Needed
  153. 4 channel +/- from dual secondary
  154. How to improve an existing SMPS to use it with class D amplifiers
  155. Power Supply to Power Sound System - Indoor Show
  156. Rectifier Diode Snubber;
  157. Help with LM317 current limit indicator
  158. decouple power pins
  159. How to power Power Supply Regulator
  160. cables from power supply to tube mono blocks
  161. Shunt regulator +-15V
  162. PSU/schottky diode rectified
  163. Questions about building SMPS
  164. please help to identify a diode (power supply related)
  165. Power supply design question
  166. wiring on/off switch
  167. Marantz CD-50, 60 and 75dx transformers?
  168. Power supply for a 12AU7/IRF510 headphone amplifier
  169. Power supply build
  170. Which power supply for a TDA7293 board?
  171. powering a 50 w amplifier by battery???
  172. Voltage increase in powersupply
  173. How do I add delay start to a SG3525?
  174. Help with wiring r-core transformer
  175. Dual Secondary or single center tapped psu?Ground advantage?
  176. Is this transformer arrangement legal?
  177. Toroidal transformer help
  178. Floating chokes?
  179. Antek Shielded transformer mounting bolt and other grounding questions
  180. how to measure 10.000uF
  181. How to regulate battery power
  182. psu damage input connection
  183. Looking For A EI Decent Transformer
  184. How do I bootstrap this IC?
  185. Negative voltage linear regulator for a preamp
  186. why sag?
  187. Conversion of +/-37v Amplifier SMPS +/-75vdc ?? PLEASE HELP
  188. A simplistic HV delay timer
  189. How to improve transient load response of an LM317 voltage regulator circuit?
  190. Technics SU-8080 Twin PSUs
  191. Do I really need a power supply for my home recording studio?
  192. Too much ampere into class D amp?
  193. Preregulation CRC for Belleson Regulators
  194. PSUD2 Help
  195. Toroidal Transformer Inrush & Capacitor Slow Charge
  196. R-Core Crash Course
  197. Output impedance of the LM317 at 1Mhz?
  198. Power Supply Rectifier question
  199. TL494 Getting Hot - Car Amp SMPS Fail
  200. Mr. Jung's ultra-low noise VREF - the GLED431
  201. Fixed -5v regulator for dac?
  202. Complete PSU with ADM715x regulator
  203. Triac / Optocoupler power switch
  204. Transformer coil for Naim 140 PSU advice
  205. United Chemi-con 35V 56,000uf cap power supply
  206. Removed hum in class a amp by swapping transformer
  207. LT1761ES5-5 alternative
  208. AMS 1117 alternatives
  209. Best Resistor Selection For Snubber
  210. TPS7A4701 regulator pcb design made pls check
  211. Need help with alpine Mrv-f409
  212. I heard about the Linear Audio article on Soft Recovery diodes, and ...
  213. Chromecast Audio plus Class D amp, how to power them?
  214. Struggle with TPS7A4701
  215. Building power supply for O2/ODAC & Raspberry Pi
  216. Transformer orientation - does it really matter?
  217. Lowering heat and power in power supply - ideas needed
  218. hacking the power supplies
  219. Minion Style Power Supply
  220. One power supply for 2 amp chips
  221. Technical note from repair of Crown XLS 602
  222. When does a centre tap become a 0 volt/ground line?
  224. Power Supply for 4 channels of Hypex UCD 180
  225. Transformer question
  226. circuit to identify the ground and Neutral and turn on the amp
  227. How to mount a bunch of snap-in caps?
  228. Question about a LM317 circuit
  229. Using an LM317/Lm337 PCB to make a zener regulated or capacitance multiplier supply
  230. Snubber won't supress PSU rectifier noise
  231. Jung regulator revisited
  232. Duel rectified linear power supply drawing for copper clad
  233. Tamura A-4004 question
  234. 15V power supply output voltage help
  235. 3 Pin Power Supply
  236. Battery supply questions
  237. HP DPS-800GBA; Getting stand-alone PS to work
  238. Charging/maintaining 18v of SLA battery with 20v laptop PSU?
  239. Voltage Regulator FIltering Caps
  240. 5Z3C or 5Z8C for a GM70 PSU?
  241. need a little help with identification PT
  242. Fender Transformers
  243. Switch for High Voltage Taps
  244. A bit of fun with this very unusual LDO regulator
  245. password control panel generator set
  246. Noob needs a quick help
  247. Big choke Little choke
  248. Powersupply
  249. Is there any good 12v power bank?
  250. LM10 as HV regulator

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