View Full Version : Power Supplies

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  1. About 9v rechargeable batteries
  2. Powering 4 Components from 2 PSUs
  3. I need some practical transformer winding advice.
  4. Lat internation ss 1000d biwire
  5. Voltage regulators kits on ebay.
  6. New uc3825 smps
  7. how to drop voltage
  8. Looking for voltage regulator
  9. Low duty cycle square wave problem, help pls
  10. PCB Design Question
  11. Music vs Normal Cap for Voltage Regulation Diffrent?
  12. core air gap maked own way question
  13. Safe prototyping supply. Regulated or unregulated? One per channel or amp?
  14. increasing the voltage of a transformer
  15. How much clearance around a toroidal transformer?
  16. Unexpected voltages from unregulated power supply
  17. LT 1085 / 1033 advice
  18. Power Supply for Hiraga
  19. What will be my rectified voltage if my Transforemer secondary voltage is 24-0-24 ?
  20. Toroidal core calculation
  21. How to build a Power Conditioner
  22. DIY output transformer odd voltages under test
  23. PSU filter for USB soundcard/amp?
  24. Charging 18650s while amp in use?
  25. Need help in wiring boombox!!!!
  26. Possible to run 2 regs from same winding?
  27. Need a +/-56V to +/-15V voltage reducer for opamps
  28. Testing Power Supply Caps
  29. LPSU powering hdd DIRECTLY - HOW?
  30. Cost to clone this PS?
  31. Question about caps
  32. Modifying Marantz 2015
  33. Cheap-ish DIY Portable Bluetooth Speaker Questions
  34. Source of Transformer for Power Amp
  35. stepup 12VDC to <30VDC for D-amp
  36. Boosting 12 VDC class D power supply to 22 VDC
  37. How to watch the responses of diodes
  38. Toroid Power Trans/Power Supply Question
  39. gyrator doesn't work?
  40. Power supply module
  41. Lab grade power supply outputs
  42. peak crossing Triac switch ?
  43. Please help. "The wire" quad parallel dual rail lt3042 psu setup for bipolar output?
  44. First time DIY - Need power supply advise
  45. Wire gauge from inlet to power transformer
  46. Help about transformer for PWM Power Supply
  47. any tips for replacing caps & I/C's
  48. pioneer a 777
  49. Alchemist power supply
  50. Unknown Toroid VA Rating
  51. Transformer wiring
  52. SMPS for Car (Dual Rail)
  53. Help identifying phono PSU Transistor please.
  54. AC main power to high.
  55. Transformer primary wiring help
  56. mains conditioner
  57. Isolation transformer
  58. Distance of 78xx/79xx Voltage Regulator to Circuitry
  59. Help Identyifying Power Transformer?
  60. 16ohm Earphones with a class A amplifier
  61. Need a power transformer for this audio amp?
  62. Inrush current limiter for DC
  63. Newbie: Required Amps for TDA7293
  64. Dynaco Stereo 410 tranformer metal end caps missing
  65. Capacitors for power supply
  66. Unusual using for LM317/LM337 in a PS for Power Amp
  67. Help and comments wanted on power supply
  68. Unstable Autotransformer (230 > 110v)
  69. Power Supply Noise
  70. Transformer question.
  71. Adjustable 35V regulator PCB
  72. SMPS800RS for 2x HiFimeDIY T4's?
  73. How does the "Jewel thief" work?
  74. SMPS _ shielding options.
  75. NTC recommendation for 0.4F cap 51V transformer
  76. NTC before DC mains filter?
  77. 13.8V 80A Linear PS circuit design analysis for Ham Radio Use
  78. Help finding a Transformer
  79. Symmetrical Pre-regulator from a floating winding
  80. Transformer alarmingly hot
  81. Cheaper Gainclone PSU
  82. Grounding TPS7A4700 based supply
  83. Benchmark's super quiet SPS
  84. Sziklai/Darlington AD817A regulator circuit
  85. Efficient dual rail DC power supply for car audio
  86. Stand alone power supply
  87. Dual rail supply help
  88. What 3VA power transformer meets Energy Star / IEC 62301 sub-1W vampire power spec?
  89. Compact DIY friendly dual TPS7A3301 power supply
  90. CiAudio VDC-SB Power Supply
  91. LM338K not being able to provide current
  92. LT3080 High Voltage Floating Regulator
  93. High Voltage isolated DC-DC converter
  94. SMPS output coupled inductors
  95. Variable power supply for tube amps
  96. op amp rectifier bridge with gain
  97. !!!Newbie topic ;-) 12v to 9v regulator
  98. Would someone please sense check my calcs ?
  99. Which PCB for power supply?
  100. Soft start kit - recommendation needed
  101. Help with Broskie SS tube power supply
  102. Inrush current limiting scenario
  103. Low noise psu 19V 65W 3.42A
  104. BF245B pin out confusion
  105. smps 2000va max for audio with simple component has to find and not expensive
  106. Testing power supplies/ transient testing
  107. Power Transformer Data
  108. recommend 12VDC to about 24VDC booster
  109. Power supply for TDA7294 100w Amplifier
  110. Keen Ocean toroidal question
  111. Mains hum for sure?
  112. Multiple low voltages required
  113. Power Factor and the need for correction
  114. Pico's Simple Shunt Regulator
  115. Puzzler: Transformer hum with soft-start modification on GFA-565
  116. How to connect this choke
  117. Linear announces "negative" complement to LT3080
  118. 18650 battery pack
  119. Help with Glassware ps-14 for Octal 8
  120. SLA batteries wideband noise.
  121. Power transformer for AX84
  122. Western electric J64001AM Power supply - Need help identifying a part
  123. Wiring for several different voltages
  124. LiFePo4
  125. Diy Bench power supply Oscillating with Inductive load.
  126. Tube Amp PS - Feasible Boost Converter?
  127. Supply for amps - help with pcb
  128. Help please. Want to make unipolar power supply from center tapped transformer
  129. Newbie Help! Current vs Watts Question
  130. WTBBB a Quasimodo Test Jig
  131. capacitor outside foil Directions in this situation circuit
  132. 1n400x for gainclone?
  133. Proper way to adjust output voltage
  134. Goofy project, need 300~volts for automotive
  135. Fuses and heat dissipation
  136. Bench Power Supply
  137. blown fuses in dual fuse iec inlet
  138. CCS values
  139. f5 Turbo power supply
  140. Linear regulator (LT1084,LT1083,LM338, )
  141. Plasma speaker... how much amps?
  142. G2 protection Voltage comparator circuit
  143. low noise split power supply
  144. Dirty voltage PC Power Supply
  145. Issue with 48V and 24V power supply for mic preamp
  146. PSU noise
  147. Transformer amp replacement
  148. Gapped cores ... where to buy
  149. Diode reverse voltage w/center tapped transformer
  150. Creating dual supply from two power supplies
  151. LM317 LM337 powersupply
  152. Help with replacing capacitors
  153. Gnd problem please help me
  154. 24 to 48 v high Amperage?
  155. LM317/337 Series Tracking Preregulator - preloading with CCS.
  156. Best choose of different PS designs
  157. Transformer Help
  158. DC power supply for DAC
  159. Help identifying resistor
  160. Light Bulb Current Limiter FOR 230V MAIN
  161. So i have build a super Regulator and cant measure its performance
  162. How to determine the needed B+
  163. New Workshop Sounds....
  164. High current OP Amp as DC Voltage Regulator IC?
  165. Soft start question
  166. Shunt reg PCB, anyone familiar with this one?
  167. Bought wrong PT, how can I save this project?
  168. How to calculate power of unknowm transformer
  169. High Voltage supply for an Electrostatic speaker
  170. How to understand description of different transformers
  171. Chokes
  172. Beginners PSU bridge question, building external psu for power amp
  173. PSU with different voltages
  174. Hum problem in DAC - weird behavior - need help
  175. Hello and "historic" Power Supply
  176. Step down transformer to step up Pultec
  177. Temperature Controlled Fan For Laptop
  178. Looking for good quality toroid transformer manufacturer in China
  179. electrolytic cap suggestions for smps and tube
  180. transformer hum
  181. Converting un-switched to switched outlet (vintage receiver)
  182. Automatic transformer tap switcher for bench power supply
  183. APPJ mini 2013 RF issue
  184. power amplifire circuit
  185. Single Wall Supply for Pass B1 and Bugle2
  186. Power supply negative rail
  187. Validate PSU
  188. Soft start w inrush limiting and bypassing
  189. help with mosfet
  190. Help needed for building LI-Ion 9volt battery charger
  191. Randall right 100 no power
  192. Inductive Spike for Push-Pull car audio supply
  193. Hum in active speaker caused by floating flyback SMPS
  194. Suggestion for my setup
  195. Which Capacitors After LM78xx/LM79xx?
  196. Maxwell Supercapacitors instead of 5V linear power supply
  197. NAD 2140 simple issue
  198. PSU for BA-1
  199. Power supply HELP!!
  200. Is this right? PSU smoothing caps connect + to - ... ?
  201. External PSU EU regulations, need help with formula
  202. Cap for 12volts power supply
  203. power bml 435/2 ericsson
  204. eBay 800W +/- 50V SMPS PSU, anyone tried this?
  205. Adding Torodial winding - wire splice
  206. Pi filters
  207. Single and Split Supply from 1 PSU... Possible?
  208. Connecting Didden-Jung Super Reg Sense Lines
  209. Nissan Leaf Range Extender
  210. Filament secondaries in parallel
  211. SMPS Dual Supp
  212. Four PSU questions
  213. 300B's inserted wrong. OMG!
  214. Best Books, Application Notes and Threads concerning the Design of SMPS
  215. Transformer setup
  216. Power problem with KRK VXT-8
  217. 0V output with a 7809 at startup
  218. Small PS
  219. amp not working
  220. swapping caps in an old SMPS
  221. Mundorf mlytic Ag 2 pole vs 4 pole
  222. Toroidal center tap, or not to tap that is the ?
  223. EMI/RFI shielding
  224. Guitar Pedal power supply shorts to ground
  225. Transformer ID and Lead ID unKnown Help Needed
  226. 4 channel +/- from dual secondary
  227. How to improve an existing SMPS to use it with class D amplifiers
  228. Power Supply to Power Sound System - Indoor Show
  229. Rectifier Diode Snubber;
  230. Help with LM317 current limit indicator
  231. decouple power pins
  232. How to power Power Supply Regulator
  233. cables from power supply to tube mono blocks
  234. Shunt regulator +-15V
  235. PSU/schottky diode rectified
  236. Questions about building SMPS
  237. please help to identify a diode (power supply related)
  238. Power supply design question
  239. wiring on/off switch
  240. Marantz CD-50, 60 and 75dx transformers?
  241. Power supply for a 12AU7/IRF510 headphone amplifier
  242. Power supply build
  243. Which power supply for a TDA7293 board?
  244. powering a 50 w amplifier by battery???
  245. Voltage increase in powersupply
  246. How do I add delay start to a SG3525?
  247. Help with wiring r-core transformer
  248. Dual Secondary or single center tapped psu?Ground advantage?
  249. Is this transformer arrangement legal?
  250. Toroidal transformer help

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