View Full Version : Power Supplies

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  1. mains conditioner
  2. Isolation transformer
  3. Distance of 78xx/79xx Voltage Regulator to Circuitry
  4. Help Identyifying Power Transformer?
  5. 16ohm Earphones with a class A amplifier
  6. Need a power transformer for this audio amp?
  7. Inrush current limiter for DC
  8. Newbie: Required Amps for TDA7293
  9. Dynaco Stereo 410 tranformer metal end caps missing
  10. Capacitors for power supply
  11. Unusual using for LM317/LM337 in a PS for Power Amp
  12. Help and comments wanted on power supply
  13. Unstable Autotransformer (230 > 110v)
  14. Power Supply Noise
  15. Transformer question.
  16. Adjustable 35V regulator PCB
  17. SMPS800RS for 2x HiFimeDIY T4's?
  18. How does the "Jewel thief" work?
  19. SMPS _ shielding options.
  20. NTC recommendation for 0.4F cap 51V transformer
  21. NTC before DC mains filter?
  22. Help a noob with respeccing a transformer for silicon rectifiers.
  23. 13.8V 80A Linear PS circuit design analysis for Ham Radio Use
  24. Rectifier - tube or semiconductor?
  25. Help finding a Transformer
  26. Symmetrical Pre-regulator from a floating winding
  27. Transformer alarmingly hot
  28. Cheaper Gainclone PSU
  29. Grounding TPS7A4700 based supply
  30. Benchmark's super quiet SPS
  31. Sziklai/Darlington AD817A regulator circuit
  32. Efficient dual rail DC power supply for car audio
  33. Stand alone power supply
  34. Dual rail supply help
  35. Star ground in an LCLC filter
  36. What 3VA power transformer meets Energy Star / IEC 62301 sub-1W vampire power spec?
  37. Pop when power on
  38. Compact DIY friendly dual TPS7A3301 power supply
  39. CiAudio VDC-SB Power Supply
  40. LM338K not being able to provide current
  41. LT3080 High Voltage Floating Regulator
  42. High Voltage isolated DC-DC converter
  43. SMPS output coupled inductors
  44. Variable power supply for tube amps
  45. Stacked Power Supply
  46. op amp rectifier bridge with gain
  47. !!!Newbie topic ;-) 12v to 9v regulator
  48. Would someone please sense check my calcs ?
  49. Transformer locations
  50. Which PCB for power supply?
  51. EZ81 power supply
  52. Soft start kit - recommendation needed
  53. Help with Broskie SS tube power supply
  54. Inrush current limiting scenario
  55. Low noise psu 19V 65W 3.42A
  56. BF245B pin out confusion
  57. smps 2000va max for audio with simple component has to find and not expensive
  58. Testing power supplies/ transient testing
  59. Power Transformer Data
  60. recommend 12VDC to about 24VDC booster
  61. Power supply for TDA7294 100w Amplifier
  62. Keen Ocean toroidal question
  63. Mains hum for sure?
  64. Multiple low voltages required
  65. Power Factor and the need for correction
  66. Pico's Simple Shunt Regulator
  67. Puzzler: Transformer hum with soft-start modification on GFA-565
  68. How to connect this choke
  69. Linear announces "negative" complement to LT3080
  70. 18650 battery pack
  71. Help with Glassware ps-14 for Octal 8
  72. SLA batteries wideband noise.
  73. Power transformer for AX84
  74. Western electric J64001AM Power supply - Need help identifying a part
  75. Wiring for several different voltages
  76. LiFePo4
  77. Diy Bench power supply Oscillating with Inductive load.
  78. Tube Amp PS - Feasible Boost Converter?
  79. Supply for amps - help with pcb
  80. Help please. Want to make unipolar power supply from center tapped transformer
  81. Newbie Help! Current vs Watts Question
  82. WTBBB a Quasimodo Test Jig
  83. capacitor outside foil Directions in this situation circuit
  84. 1n400x for gainclone?
  85. Proper way to adjust output voltage
  86. Goofy project, need 300~volts for automotive
  87. Fuses and heat dissipation
  88. Bench Power Supply
  89. blown fuses in dual fuse iec inlet
  90. CCS values
  91. f5 Turbo power supply
  92. Linear regulator (LT1084,LT1083,LM338, )
  93. Plasma speaker... how much amps?
  94. G2 protection Voltage comparator circuit
  95. low noise split power supply
  96. Dirty voltage PC Power Supply
  97. Issue with 48V and 24V power supply for mic preamp
  98. PSU noise
  99. Transformer amp replacement
  100. Gapped cores ... where to buy
  101. Diode reverse voltage w/center tapped transformer
  102. Creating dual supply from two power supplies
  103. LM317 LM337 powersupply
  104. Help with replacing capacitors
  105. Gnd problem please help me
  106. 24 to 48 v high Amperage?
  107. LM317/337 Series Tracking Preregulator - preloading with CCS.
  108. Best choose of different PS designs
  109. Transformer Help
  110. DC power supply for DAC
  111. Help identifying resistor
  112. Light Bulb Current Limiter FOR 230V MAIN
  113. So i have build a super Regulator and cant measure its performance
  114. How to determine the needed B+
  115. New Workshop Sounds....
  116. High current OP Amp as DC Voltage Regulator IC?
  117. Soft start question
  118. Shunt reg PCB, anyone familiar with this one?
  119. Bought wrong PT, how can I save this project?
  120. How to calculate power of unknowm transformer
  121. High Voltage supply for an Electrostatic speaker
  122. How to understand description of different transformers
  123. Chokes
  124. Beginners PSU bridge question, building external psu for power amp
  125. PSU with different voltages
  126. Hum problem in DAC - weird behavior - need help
  127. Hello and "historic" Power Supply
  128. Step down transformer to step up Pultec
  129. Temperature Controlled Fan For Laptop
  130. Looking for good quality toroid transformer manufacturer in China
  131. electrolytic cap suggestions for smps and tube
  132. transformer hum
  133. Converting un-switched to switched outlet (vintage receiver)
  134. Automatic transformer tap switcher for bench power supply
  135. APPJ mini 2013 RF issue
  136. power amplifire circuit
  137. Single Wall Supply for Pass B1 and Bugle2
  138. Power supply negative rail
  139. Validate PSU
  140. Soft start w inrush limiting and bypassing
  141. help with mosfet
  142. Help needed for building LI-Ion 9volt battery charger
  143. Randall right 100 no power
  144. Inductive Spike for Push-Pull car audio supply
  145. Hum in active speaker caused by floating flyback SMPS
  146. Suggestion for my setup
  147. Which Capacitors After LM78xx/LM79xx?
  148. Maxwell Supercapacitors instead of 5V linear power supply
  149. NAD 2140 simple issue
  150. PSU for BA-1
  151. Power supply HELP!!
  152. Is this right? PSU smoothing caps connect + to - ... ?
  153. External PSU EU regulations, need help with formula
  154. Cap for 12volts power supply
  155. power bml 435/2 ericsson
  156. eBay 800W +/- 50V SMPS PSU, anyone tried this?
  157. Adding Torodial winding - wire splice
  158. Pi filters
  159. Single and Split Supply from 1 PSU... Possible?
  160. Connecting Didden-Jung Super Reg Sense Lines
  161. Nissan Leaf Range Extender
  162. Filament secondaries in parallel
  163. SMPS Dual Supp
  164. Four PSU questions
  165. 300B's inserted wrong. OMG!
  166. Best Books, Application Notes and Threads concerning the Design of SMPS
  167. Transformer setup
  168. Power problem with KRK VXT-8
  169. 0V output with a 7809 at startup
  170. Small PS
  171. amp not working
  172. swapping caps in an old SMPS
  173. Mundorf mlytic Ag 2 pole vs 4 pole
  174. Toroidal center tap, or not to tap that is the ?
  175. EMI/RFI shielding
  176. Guitar Pedal power supply shorts to ground
  177. Transformer ID and Lead ID unKnown Help Needed
  178. 4 channel +/- from dual secondary
  179. How to improve an existing SMPS to use it with class D amplifiers
  180. Power Supply to Power Sound System - Indoor Show
  181. Rectifier Diode Snubber;
  182. Help with LM317 current limit indicator
  183. decouple power pins
  184. How to power Power Supply Regulator
  185. cables from power supply to tube mono blocks
  186. Shunt regulator +-15V
  187. PSU/schottky diode rectified
  188. Questions about building SMPS
  189. please help to identify a diode (power supply related)
  190. Power supply design question
  191. wiring on/off switch
  192. Marantz CD-50, 60 and 75dx transformers?
  193. Power supply for a 12AU7/IRF510 headphone amplifier
  194. Power supply build
  195. Which power supply for a TDA7293 board?
  196. powering a 50 w amplifier by battery???
  197. Voltage increase in powersupply
  198. How do I add delay start to a SG3525?
  199. Help with wiring r-core transformer
  200. Dual Secondary or single center tapped psu?Ground advantage?
  201. Is this transformer arrangement legal?
  202. Toroidal transformer help
  203. Floating chokes?
  204. Antek Shielded transformer mounting bolt and other grounding questions
  205. how to measure 10.000uF
  206. How to regulate battery power
  207. psu damage input connection
  208. Looking For A EI Decent Transformer
  209. How do I bootstrap this IC?
  210. Negative voltage linear regulator for a preamp
  211. why sag?
  212. Conversion of +/-37v Amplifier SMPS +/-75vdc ?? PLEASE HELP
  213. A simplistic HV delay timer
  214. How to improve transient load response of an LM317 voltage regulator circuit?
  215. Technics SU-8080 Twin PSUs
  216. Do I really need a power supply for my home recording studio?
  217. Too much ampere into class D amp?
  218. Preregulation CRC for Belleson Regulators
  219. PSUD2 Help
  220. Toroidal Transformer Inrush & Capacitor Slow Charge
  221. R-Core Crash Course
  222. Output impedance of the LM317 at 1Mhz?
  223. Power Supply Rectifier question
  224. TL494 Getting Hot - Car Amp SMPS Fail
  225. Mr. Jung's ultra-low noise VREF - the GLED431
  226. Fixed -5v regulator for dac?
  227. Complete PSU with ADM715x regulator
  228. Triac / Optocoupler power switch
  229. Transformer coil for Naim 140 PSU advice
  230. United Chemi-con 35V 56,000uf cap power supply
  231. Removed hum in class a amp by swapping transformer
  232. LT1761ES5-5 alternative
  233. AMS 1117 alternatives
  234. Best Resistor Selection For Snubber
  235. TPS7A4701 regulator pcb design made pls check
  236. Need help with alpine Mrv-f409
  237. I heard about the Linear Audio article on Soft Recovery diodes, and ...
  238. Chromecast Audio plus Class D amp, how to power them?
  239. Struggle with TPS7A4701
  240. Building power supply for O2/ODAC & Raspberry Pi
  241. Transformer orientation - does it really matter?
  242. Lowering heat and power in power supply - ideas needed
  243. hacking the power supplies
  244. Minion Style Power Supply
  245. One power supply for 2 amp chips
  246. Technical note from repair of Crown XLS 602
  247. When does a centre tap become a 0 volt/ground line?
  249. Power Supply for 4 channels of Hypex UCD 180
  250. Transformer question

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