View Full Version : Power Supplies

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  1. Transformer ID and Lead ID unKnown Help Needed
  2. 4 channel +/- from dual secondary
  3. How to improve an existing SMPS to use it with class D amplifiers
  4. Power Supply to Power Sound System - Indoor Show
  5. Rectifier Diode Snubber;
  6. Help with LM317 current limit indicator
  7. decouple power pins
  8. How to power Power Supply Regulator
  9. cables from power supply to tube mono blocks
  10. Shunt regulator +-15V
  11. PSU/schottky diode rectified
  12. Questions about building SMPS
  13. please help to identify a diode (power supply related)
  14. Power supply design question
  15. wiring on/off switch
  16. Marantz CD-50, 60 and 75dx transformers?
  17. Power supply for a 12AU7/IRF510 headphone amplifier
  18. Power supply build
  19. Which power supply for a TDA7293 board?
  20. powering a 50 w amplifier by battery???
  21. Voltage increase in powersupply
  22. How do I add delay start to a SG3525?
  23. Help with wiring r-core transformer
  24. Dual Secondary or single center tapped psu?Ground advantage?
  25. Is this transformer arrangement legal?
  26. Toroidal transformer help
  27. Floating chokes?
  28. Antek Shielded transformer mounting bolt and other grounding questions
  29. how to measure 10.000uF
  30. How to regulate battery power
  31. psu damage input connection
  32. Looking For A EI Decent Transformer
  33. How do I bootstrap this IC?
  34. Negative voltage linear regulator for a preamp
  35. why sag?
  36. Conversion of +/-37v Amplifier SMPS +/-75vdc ?? PLEASE HELP
  37. A simplistic HV delay timer
  38. How to improve transient load response of an LM317 voltage regulator circuit?
  39. Technics SU-8080 Twin PSUs
  40. Do I really need a power supply for my home recording studio?
  41. Too much ampere into class D amp?
  42. Preregulation CRC for Belleson Regulators
  43. PSUD2 Help
  44. Toroidal Transformer Inrush & Capacitor Slow Charge
  45. R-Core Crash Course
  46. Output impedance of the LM317 at 1Mhz?
  47. Power Supply Rectifier question
  48. TL494 Getting Hot - Car Amp SMPS Fail
  49. Mr. Jung's ultra-low noise VREF - the GLED431
  50. Fixed -5v regulator for dac?
  51. Complete PSU with ADM715x regulator
  52. Triac / Optocoupler power switch
  53. Transformer coil for Naim 140 PSU advice
  54. United Chemi-con 35V 56,000uf cap power supply
  55. Removed hum in class a amp by swapping transformer
  56. LT1761ES5-5 alternative
  57. AMS 1117 alternatives
  58. Best Resistor Selection For Snubber
  59. TPS7A4701 regulator pcb design made pls check
  60. Need help with alpine Mrv-f409
  61. I heard about the Linear Audio article on Soft Recovery diodes, and ...
  62. Chromecast Audio plus Class D amp, how to power them?
  63. Struggle with TPS7A4701
  64. Building power supply for O2/ODAC & Raspberry Pi
  65. Transformer orientation - does it really matter?
  66. Lowering heat and power in power supply - ideas needed
  67. hacking the power supplies
  68. Minion Style Power Supply
  69. One power supply for 2 amp chips
  70. Technical note from repair of Crown XLS 602
  71. When does a centre tap become a 0 volt/ground line?
  73. Power Supply for 4 channels of Hypex UCD 180
  74. Transformer question
  75. circuit to identify the ground and Neutral and turn on the amp
  76. How to mount a bunch of snap-in caps?
  77. Question about a LM317 circuit
  78. Using an LM317/Lm337 PCB to make a zener regulated or capacitance multiplier supply
  79. Snubber won't supress PSU rectifier noise
  80. Jung regulator revisited
  81. Duel rectified linear power supply drawing for copper clad
  82. Tamura A-4004 question
  83. 15V power supply output voltage help
  84. 3 Pin Power Supply
  85. Battery supply questions
  86. HP DPS-800GBA; Getting stand-alone PS to work
  87. Charging/maintaining 18v of SLA battery with 20v laptop PSU?
  88. Voltage Regulator FIltering Caps
  89. 5Z3C or 5Z8C for a GM70 PSU?
  90. need a little help with identification PT
  91. Fender Transformers
  92. Switch for High Voltage Taps
  93. A bit of fun with this very unusual LDO regulator
  94. password control panel generator set
  95. Noob needs a quick help
  96. Big choke Little choke
  97. Is there any good 12v power bank?
  98. LM10 as HV regulator
  99. Indicator light in bleeder circuit to indicate when Caps are still charged
  100. Need a Beefy (600ma, 250V) Regulated B+ for an OTL
  101. TSE Power Supply
  102. How Do I Modify Commercial LM723 Regulator Circuits
  103. Unusual Centre Tapped Transformer
  104. Sun Fender SR8520 P mixer
  105. Audio concepts legend C30 pre amp
  106. Fully regulated power supply
  107. Treating dual primaries like one is a secondary
  108. Vinni Rossi Pure DC-4-EVR Ultracapacitor Technology
  109. I need a 24vdc, 5 amp regulated supply
  110. AC Power Problem
  111. Please help me find a power supply for this dac/amp that claims to take anything with
  112. diy power supply
  113. simple low noise regulated supply
  114. nominal current
  115. Thermal considerations for Fairchild SDIP bridge rectifiers
  116. Noisy LR8 circuit
  117. LM7805
  118. Rod Coleman raw supply circuit board
  119. Longwell plug top with LPF
  120. Regulated Power supply for amp
  121. Replacing power supply capcitors on Laney amp
  122. Power supply board with loudspeakers protection
  123. elliot smps project89
  124. Xentek XE240-12
  125. Capacitance
  126. Isolated sub chassis
  127. HOT ROD Dcb1 questions
  128. Adding Primary Turns to reduce the Secondary Voltage.
  129. First power supply clarification questions
  130. double the current, keep the voltage?
  131. HV Tube bench power supply
  132. HV Supply in Heathkit
  133. Is This a Bad idea? -"Capacitor box"
  134. Hgh current regulators
  135. Can anyone identify this power supply noise?
  136. Some help with building a battery power supply
  137. DIY filament PS for 6AS7G
  138. basic question about audio power
  139. Dropping Transformer Voltage
  140. 230V Distribution Box with DC blocker and 2 stage AC Filter
  141. Need help about Toroidal transformer core
  142. inductor in series with transformer primary to reduce secondary voltage?
  143. Need to drop vdc voltage in my B+ supply
  144. Help me to find this power recepticle.
  145. how to wire antek transformator to E-01 AMP?
  146. Capacitor bank for ps supply filter
  147. Ultra-Fast Avalanche Sinterglass Diode for small current psu rectification?
  148. Salas Bib questions
  149. Power supply CD PRO2
  150. Connect to what?
  151. Converting my Sun Audio monoblocks to IEC and safety earth
  152. Luxman RV-357 Standby LED Indicator???
  153. dc/dc isolated transformer
  154. 3-pin PSU's for 1.2V, 3.3V and 5V?
  155. Marantz PM4400 - Change 230V to 115V
  156. output impedance in shunt reg sim
  157. Need Power Supply
  158. Power relay
  159. 5AR4 in a input choke
  160. Question on Vacuum State SuperReg
  161. 48V phantom power supply keeps blowing fuse
  162. Laminations - who needs 'em
  163. What choke is best
  164. Which power cable between separate power supply and dac?
  165. 4-pole cap in bipolar power supply
  166. Variable Power Supply
  167. ATX supply -> Cmoy, single or split?
  168. xd218 4x10000uF 100v board
  169. Variable-delay output muting PCB for preamps, linestages, et al
  170. Single touch power on/off switch
  171. NAD VISO 1 Power Supply
  172. LLC resonant power suply design
  173. Noob Trafo question
  174. Power supply ratings when using step down voltage regulators
  175. Stacking board level heatsinks
  176. Proper RC Snubbering
  177. Help lowering noise in big series pass regulator circuit
  178. Bucking transformer current load
  179. Leakage inductance of a transformer
  180. Lithium-ion power bank
  181. Help with discrete voltage regulator
  182. LiFePO4 battery psu for PUC2 Lite USB-AES converter
  183. Boost Converter w/ positive AND negative output
  184. 55 MHz opamp + MOSFET pass xitor in 1 amp Voltage Regulator
  185. Multipurpose Transfo,Dual (+/-)DC Power for Pre and Power Amp 's
  186. Harman Kardon HK775 mono amp capacitor power rating
  187. Reccomend a small transformer for power supply?
  188. designing a DC to DC buck converter Layout errors.
  189. Help with inductor and capacitor values?
  190. Dual Transformer Power Supply Chassis Grounding?
  191. Power conditioning IEC inlet filter with earth line choke?
  192. power supply for tda7294
  193. Mosfet suply switching steps 3 p / class H amplifier
  194. Pros and cons of using Dual transformers in amplifier
  195. Switchmode ICs
  196. smoothing caps getting warm
  197. ARC SP8 tube reg rebuild
  198. Noob Question: Wiring a battery system
  199. Input switch / Mute delay using 555
  200. B+ ripple filler filtering
  201. Nat Semi datasheet app note improved my power supply
  202. DIY mains synthesizer
  203. Schematic and measuring results for Connexelectronic SMPS300RE
  204. A good power supply for the LDR attenuator?
  205. r core for drd amp
  206. Strange part in Mcintosh MC-225 power supply - please help
  207. How do I Wire this switch?
  208. Wallwart PS Suppliers
  209. Power supply questions for modular DAC project
  210. Floating PSU
  211. Fusing transformers
  212. PSU Question
  213. Can I connect 2 LM317 regulators to dual supply rail?
  214. Switchmode transformer
  215. power supply wire 6 and 7
  216. Need Help with Power Supply for TDA7294 Chip Amp
  217. Damaged Transformer?
  218. Diode help! 18VAC --> diodes --> CRC 44mF-0.22R-44mF --> 24VDC @ 1.5-2.0A
  219. Would it be better to have the AC power supply in an external case
  220. PSU's for modular DAC, by a novice. Questions
  221. advantages of 2 power transformers
  222. +/- 120V,12mA from +12V using flyback?
  223. SMPS making
  224. Big size and low capacitance - are there any rules?
  225. How do I determine polarity on a dual primary toroid?
  226. Mains Filter
  227. Stomp box supply
  228. Replacing transformer with DC power
  229. AA DLC PS Solution
  230. Another PSU Transient Load Tester ("chop chop box")
  231. Need Help with TDA2052 Power Supply
  232. Transformer got really hot because I wired it wrong
  233. 12VDC Linear PSU
  234. Full wave center tapped power supply defies the laws of physics
  235. 1.2 kW regulated power supply
  236. 0-50V 0-10A Variable SMPS
  237. need help with battery selection for my amp
  238. First PSU Build help!!!
  239. Suitable chips for 15v down to 3.3v
  240. PSU sizing and limiting input gain for targeted output / THD ??
  241. MAX1771 stability issues
  242. Is this transformer a good start for a class D amp power supply?
  243. Circuit reduces PS noise by up to 26db
  244. using lundahl anode chokes for power supply
  245. Tungar Power Supply
  246. TL783, extending voltage range
  247. Distorted sine wave on transformer secondary...
  248. half bridge secondary voltage
  249. What swhitch to use for diy amp
  250. Two transformers

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