View Full Version : Power Supplies

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  1. Possible to run 2 regs from same winding?
  2. Need a +/-56V to +/-15V voltage reducer for opamps
  3. Testing Power Supply Caps
  4. LPSU powering hdd DIRECTLY - HOW?
  5. Cost to clone this PS?
  6. Question about caps
  7. Modifying Marantz 2015
  8. Cheap-ish DIY Portable Bluetooth Speaker Questions
  9. Source of Transformer for Power Amp
  10. stepup 12VDC to <30VDC for D-amp
  11. Boosting 12 VDC class D power supply to 22 VDC
  12. How to watch the responses of diodes
  13. Toroid Power Trans/Power Supply Question
  14. gyrator doesn't work?
  15. Power supply module
  16. Lab grade power supply outputs
  17. peak crossing Triac switch ?
  18. Please help. "The wire" quad parallel dual rail lt3042 psu setup for bipolar output?
  19. First time DIY - Need power supply advise
  20. Wire gauge from inlet to power transformer
  21. Help about transformer for PWM Power Supply
  22. any tips for replacing caps & I/C's
  23. pioneer a 777
  24. Alchemist power supply
  25. Unknown Toroid VA Rating
  26. Transformer wiring
  27. SMPS for Car (Dual Rail)
  28. Help identifying phono PSU Transistor please.
  29. AC main power to high.
  30. Transformer primary wiring help
  31. mains conditioner
  32. Isolation transformer
  33. Distance of 78xx/79xx Voltage Regulator to Circuitry
  34. Help Identyifying Power Transformer?
  35. 16ohm Earphones with a class A amplifier
  36. Need a power transformer for this audio amp?
  37. Inrush current limiter for DC
  38. Newbie: Required Amps for TDA7293
  39. Dynaco Stereo 410 tranformer metal end caps missing
  40. Capacitors for power supply
  41. Unusual using for LM317/LM337 in a PS for Power Amp
  42. Help and comments wanted on power supply
  43. Unstable Autotransformer (230 > 110v)
  44. Power Supply Noise
  45. Transformer question.
  46. Adjustable 35V regulator PCB
  47. SMPS800RS for 2x HiFimeDIY T4's?
  48. How does the "Jewel thief" work?
  49. SMPS _ shielding options.
  50. NTC recommendation for 0.4F cap 51V transformer
  51. NTC before DC mains filter?
  52. Help a noob with respeccing a transformer for silicon rectifiers.
  53. 13.8V 80A Linear PS circuit design analysis for Ham Radio Use
  54. Rectifier - tube or semiconductor?
  55. Help finding a Transformer
  56. Symmetrical Pre-regulator from a floating winding
  57. Transformer alarmingly hot
  58. Cheaper Gainclone PSU
  59. Grounding TPS7A4700 based supply
  60. Benchmark's super quiet SPS
  61. Sziklai/Darlington AD817A regulator circuit
  62. Efficient dual rail DC power supply for car audio
  63. Stand alone power supply
  64. Dual rail supply help
  65. Star ground in an LCLC filter
  66. What 3VA power transformer meets Energy Star / IEC 62301 sub-1W vampire power spec?
  67. Pop when power on
  68. Compact DIY friendly dual TPS7A3301 power supply
  69. CiAudio VDC-SB Power Supply
  70. LM338K not being able to provide current
  71. LT3080 High Voltage Floating Regulator
  72. High Voltage isolated DC-DC converter
  73. SMPS output coupled inductors
  74. Variable power supply for tube amps
  75. Stacked Power Supply
  76. op amp rectifier bridge with gain
  77. !!!Newbie topic ;-) 12v to 9v regulator
  78. Would someone please sense check my calcs ?
  79. Transformer locations
  80. Which PCB for power supply?
  81. EZ81 power supply
  82. Soft start kit - recommendation needed
  83. Help with Broskie SS tube power supply
  84. Inrush current limiting scenario
  85. Low noise psu 19V 65W 3.42A
  86. BF245B pin out confusion
  87. smps 2000va max for audio with simple component has to find and not expensive
  88. Testing power supplies/ transient testing
  89. Power Transformer Data
  90. recommend 12VDC to about 24VDC booster
  91. Power supply for TDA7294 100w Amplifier
  92. Keen Ocean toroidal question
  93. Mains hum for sure?
  94. Multiple low voltages required
  95. Power Factor and the need for correction
  96. Pico's Simple Shunt Regulator
  97. Puzzler: Transformer hum with soft-start modification on GFA-565
  98. How to connect this choke
  99. Linear announces "negative" complement to LT3080
  100. 18650 battery pack
  101. Help with Glassware ps-14 for Octal 8
  102. SLA batteries wideband noise.
  103. Power transformer for AX84
  104. Western electric J64001AM Power supply - Need help identifying a part
  105. Wiring for several different voltages
  106. LiFePo4
  107. Diy Bench power supply Oscillating with Inductive load.
  108. Tube Amp PS - Feasible Boost Converter?
  109. Supply for amps - help with pcb
  110. Help please. Want to make unipolar power supply from center tapped transformer
  111. Newbie Help! Current vs Watts Question
  112. WTBBB a Quasimodo Test Jig
  113. capacitor outside foil Directions in this situation circuit
  114. 1n400x for gainclone?
  115. Proper way to adjust output voltage
  116. Goofy project, need 300~volts for automotive
  117. Fuses and heat dissipation
  118. Bench Power Supply
  119. blown fuses in dual fuse iec inlet
  120. CCS values
  121. f5 Turbo power supply
  122. Linear regulator (LT1084,LT1083,LM338, )
  123. Plasma speaker... how much amps?
  124. G2 protection Voltage comparator circuit
  125. low noise split power supply
  126. Dirty voltage PC Power Supply
  127. Issue with 48V and 24V power supply for mic preamp
  128. PSU noise
  129. Transformer amp replacement
  130. Gapped cores ... where to buy
  131. Diode reverse voltage w/center tapped transformer
  132. Creating dual supply from two power supplies
  133. LM317 LM337 powersupply
  134. Help with replacing capacitors
  135. Gnd problem please help me
  136. 24 to 48 v high Amperage?
  137. LM317/337 Series Tracking Preregulator - preloading with CCS.
  138. Best choose of different PS designs
  139. Transformer Help
  140. DC power supply for DAC
  141. Help identifying resistor
  142. Light Bulb Current Limiter FOR 230V MAIN
  143. So i have build a super Regulator and cant measure its performance
  144. How to determine the needed B+
  145. New Workshop Sounds....
  146. High current OP Amp as DC Voltage Regulator IC?
  147. Soft start question
  148. Shunt reg PCB, anyone familiar with this one?
  149. Bought wrong PT, how can I save this project?
  150. How to calculate power of unknowm transformer
  151. High Voltage supply for an Electrostatic speaker
  152. How to understand description of different transformers
  153. Chokes
  154. Beginners PSU bridge question, building external psu for power amp
  155. PSU with different voltages
  156. Hum problem in DAC - weird behavior - need help
  157. Hello and "historic" Power Supply
  158. Step down transformer to step up Pultec
  159. Temperature Controlled Fan For Laptop
  160. Looking for good quality toroid transformer manufacturer in China
  161. electrolytic cap suggestions for smps and tube
  162. transformer hum
  163. Converting un-switched to switched outlet (vintage receiver)
  164. Automatic transformer tap switcher for bench power supply
  165. APPJ mini 2013 RF issue
  166. power amplifire circuit
  167. Single Wall Supply for Pass B1 and Bugle2
  168. Power supply negative rail
  169. Validate PSU
  170. Soft start w inrush limiting and bypassing
  171. help with mosfet
  172. Help needed for building LI-Ion 9volt battery charger
  173. Randall right 100 no power
  174. Inductive Spike for Push-Pull car audio supply
  175. Hum in active speaker caused by floating flyback SMPS
  176. Suggestion for my setup
  177. Which Capacitors After LM78xx/LM79xx?
  178. Maxwell Supercapacitors instead of 5V linear power supply
  179. NAD 2140 simple issue
  180. PSU for BA-1
  181. Power supply HELP!!
  182. Is this right? PSU smoothing caps connect + to - ... ?
  183. External PSU EU regulations, need help with formula
  184. Cap for 12volts power supply
  185. power bml 435/2 ericsson
  186. eBay 800W +/- 50V SMPS PSU, anyone tried this?
  187. Adding Torodial winding - wire splice
  188. Pi filters
  189. Single and Split Supply from 1 PSU... Possible?
  190. Connecting Didden-Jung Super Reg Sense Lines
  191. Nissan Leaf Range Extender
  192. Filament secondaries in parallel
  193. SMPS Dual Supp
  194. Four PSU questions
  195. 300B's inserted wrong. OMG!
  196. Best Books, Application Notes and Threads concerning the Design of SMPS
  197. Transformer setup
  198. Power problem with KRK VXT-8
  199. 0V output with a 7809 at startup
  200. Small PS
  201. amp not working
  202. swapping caps in an old SMPS
  203. Mundorf mlytic Ag 2 pole vs 4 pole
  204. Toroidal center tap, or not to tap that is the ?
  205. EMI/RFI shielding
  206. Guitar Pedal power supply shorts to ground
  207. Transformer ID and Lead ID unKnown Help Needed
  208. 4 channel +/- from dual secondary
  209. How to improve an existing SMPS to use it with class D amplifiers
  210. Power Supply to Power Sound System - Indoor Show
  211. Rectifier Diode Snubber;
  212. Help with LM317 current limit indicator
  213. decouple power pins
  214. How to power Power Supply Regulator
  215. cables from power supply to tube mono blocks
  216. Shunt regulator +-15V
  217. PSU/schottky diode rectified
  218. Questions about building SMPS
  219. please help to identify a diode (power supply related)
  220. Power supply design question
  221. wiring on/off switch
  222. Marantz CD-50, 60 and 75dx transformers?
  223. Power supply for a 12AU7/IRF510 headphone amplifier
  224. Power supply build
  225. Which power supply for a TDA7293 board?
  226. powering a 50 w amplifier by battery???
  227. Voltage increase in powersupply
  228. How do I add delay start to a SG3525?
  229. Help with wiring r-core transformer
  230. Dual Secondary or single center tapped psu?Ground advantage?
  231. Is this transformer arrangement legal?
  232. Toroidal transformer help
  233. Floating chokes?
  234. Antek Shielded transformer mounting bolt and other grounding questions
  235. how to measure 10.000uF
  236. How to regulate battery power
  237. psu damage input connection
  238. Looking For A EI Decent Transformer
  239. How do I bootstrap this IC?
  240. Negative voltage linear regulator for a preamp
  241. why sag?
  242. Conversion of +/-37v Amplifier SMPS +/-75vdc ?? PLEASE HELP
  243. A simplistic HV delay timer
  244. How to improve transient load response of an LM317 voltage regulator circuit?
  245. Technics SU-8080 Twin PSUs
  246. Do I really need a power supply for my home recording studio?
  247. Too much ampere into class D amp?
  248. Preregulation CRC for Belleson Regulators
  249. PSUD2 Help
  250. Toroidal Transformer Inrush & Capacitor Slow Charge

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