View Full Version : Power Supplies

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  1. Wiring new toroid tranny
  2. CD buffer PS resistor guesstimate?
  3. changing diodes/rectifier in mcintosh mc2505
  4. 100 VDC power supply caps?
  5. Preamp section unipolar 9v, Amp section +-28.5V bipolar, how to power both?
  6. Terminal Block Multiple Transformers Suggestion
  7. Reducing voltage from +-54VDC to +-40 VDC
  8. low noise Pre-Amp / DAC power supply MJE15034 TL072 Regulator based on STUDER 900
  9. PC Power supply noisy when connected to both 5V/12V output
  10. PCB layout for lm2596t switching reg
  11. Any benefit of enclosing a smps
  12. Simplistic Colpitts oscillators used as low-tech converters
  13. Getting 14 V + (unipolar) from 7 V +/- (bipolar)?
  14. CD buffer PS resistor guesstimate?
  15. Technology for leveling and polishing badly cut C cores?
  16. Need some help with class D power supply
  17. Transformer help
  18. 6.3VAC to 6.3VDC with LM317
  19. Active PFC not working - inductor faulty?
  20. Single PSU for 5 or more Amps ?
  21. sure 3116 mono
  22. Chip to measure voltage/current on amp rails?
  23. Pantum P2200
  24. Reducing AC voltage safely
  25. current rating for chokes in solid state power amp
  26. Please recommend good technical literature about choke/transformer design..
  27. GND connections in an Amplifier using a transformer with two secondary windings
  28. YH11068A 10-32V to 45-390V dc/dc - guess the control ICs
  29. Transformer challenge
  30. 18-24v power supply advice for B1 needed
  31. An amplifier to test chokes
  32. Bridge rectifier on AC mains?
  33. LT 3080 and LT3083 regulator problems
  34. How close should the B+/B- be to each other in a simple Bridge/Filter Supply? No Load
  35. UPS to Transformer to Monster HTS 3600 mkii - weird problem
  36. cresendo power supply regulated drop..
  37. add choke to PS, where to put it?
  38. how to Generating -16V with referenc to +24V Rail?
  39. Looking for a LM317/337 Sprint File.
  40. Oppo Resistor Identification
  41. Different kinds of chokes
  42. Power soft start board / amp delay soft start board what is it ???
  43. Two Jeff Rowland 12's from one SPS ??
  44. Handmade air coil inductor for noise suppression?
  45. -12v +12v from same power source?
  46. soft start circuit mods
  47. Help a Newb? Upgrade/Modify a Jolida 502a Power Supply
  48. power supply protection circuitry questions
  49. Question on Center-Tapped Transformer Voltage Multiplier
  50. USB powering bluetooth = noise.
  51. DIY Kef 107 Kube PSU?
  52. Need help Please
  53. Power supply for MX50SE and hook up
  54. Center Tapped Mains Transformer as Dual Channel PSU Choke
  55. Switching Supply Noise Eliminator
  56. Adding varistors to a psu design
  57. Help with power supply circuit
  58. Help Wiring Transformer to Mains Please
  59. Variable regulated supply
  60. Capacitor Bank Housing
  61. Voltage Multiplier for Amp FE
  62. Choosing a wall wart power supply for a battery powered fan
  63. op-amp power supply line RC filters - why?
  64. Best set of measurements to evaluate power supply design?
  65. Fixing old power supply
  66. Wire colors for dual-rail power supplies?
  67. PFC with MC34262
  68. 110v VARIAC rebuild question
  69. Is it tradition that we use linear PSUs for valve amps?
  70. 1.5v switch circuit
  71. Do SMPS's need earthing?
  72. Why voltage converter at all?
  73. LM317 & 2N3055 Variable Circuit Problems need help !
  74. PCB Layout questions for PSU with ground/power planes
  75. Telos Grounding Noise Reducer what is the principle?
  76. diode damage from inrush current?
  77. Sense and Differentiate between Short Circuit and Continuity with Passive Components
  78. SSLV 1.1 Negative rail - failure
  79. Nihm vs Lithium sound quality?
  80. toroidal transformer hum
  81. Need help/advice on a Vacuum State Super Regulator kit
  82. power inverter as HV supply
  83. How should I wire two power supplies to mains
  84. Connecting an Autotransformer to Isolation Transformer
  85. Best way to use 2 coil choke
  86. rectifier challenge
  87. Easy voltage multiplier.
  88. Help choosing a transformer 2 x dual sec. Vs 1 x quad sec.
  89. 110v inverter
  90. Light bulb current limiter with SMPS
  91. Meanwell EPS65S Series Power Supply
  92. combining Secondaries
  93. Rocker switch with neon light wiring
  94. power supply fault
  95. Transformer design for power amplifier
  96. Simplest possible tube regulator -- will it work?
  97. Felicia power conditioner. Does it works?
  98. transformer compatability and rectifaction help
  99. MLCC for high voltage decoupling in SMPS
  100. LCD 16X2 in Old School Battery Charger
  101. Recommend a dual rail +/-35v regulator
  102. wiring 5V and 6.3V taps
  103. Please help with transformer winding colours
  104. PSU turn off noise. Interpretation of scope please.
  105. Delta Electronics ATX power supply
  106. Adding single rail amp to split rail amp power supply
  107. Transformer voltage reduction
  108. Is a CDC power supply a good ideia?
  109. Building CarlosFM's snubberized PSU
  110. Mixing desk power supply
  111. voltage drop (valve rectifier with SS replacement)
  112. Please recommend a full bridge rectifier
  113. 12V 2A CLC Filter values for a noob, 0.4mH?
  114. Soft start kits
  115. Dual rail smps?
  116. Shielding ac adapter
  117. 3 or 4 wires in the transformer primary
  118. Lampizator tube PSU
  119. Smoothing Capacitor Capacitance calculator
  120. Add ferrite to my outlet AC ?
  121. 12v inverter to 240v mains - grounding?
  122. Krell KBL power supply fixes
  123. Snubber for a generic rectifier bridge?
  124. Battery Supply for Bluetooth Question
  125. chandler PSU-1 schematic
  126. Transformer for power supply
  127. These Three Meters ! Met with Rectifier, Once.
  128. transformer wiring
  129. Yorkville SM8 mixer SMPS fault - over voltage
  130. Transformer used implications to output power?
  131. Help with Ultra LDO with bypass tr.
  132. Help with Capacitors type in PSU for 300B amp
  133. Transformer-less, Mains Isolated Simple SMPS with PFC Circuit.
  134. Does a PP amp need to be DC?
  135. Controling a main transformer
  136. Capacitor ripple current calculations in SMPS
  137. LM2596 Regulators
  138. help needed with bias supply from HT voltage doubler
  139. Supercar ps
  140. Help with batteries for Blutooth Player
  141. computer music server power supply
  142. Capacitor Ripple Current vs Operational Temp
  143. FIRST DIY project! 2 chassis design - Power/Wire Implementation Questions
  144. Asus Vivo PC power supply
  145. LT3062 based PSU
  146. DC filter with chokes.
  147. About 9v rechargeable batteries
  148. Powering 4 Components from 2 PSUs
  149. I need some practical transformer winding advice.
  150. Lat internation ss 1000d biwire
  151. Voltage regulators kits on ebay.
  152. New uc3825 smps
  153. how to drop voltage
  154. Looking for voltage regulator
  155. Low duty cycle square wave problem, help pls
  156. PCB Design Question
  157. Music vs Normal Cap for Voltage Regulation Diffrent?
  158. Power supplies ripple _ does it must be really low ?
  159. core air gap maked own way question
  160. increasing the voltage of a transformer
  161. How much clearance around a toroidal transformer?
  162. Unexpected voltages from unregulated power supply
  163. LT 1085 / 1033 advice
  164. Power Supply for Hiraga
  165. What will be my rectified voltage if my Transforemer secondary voltage is 24-0-24 ?
  166. Toroidal core calculation
  167. How to build a Power Conditioner
  168. DIY output transformer odd voltages under test
  169. PSU filter for USB soundcard/amp?
  170. Charging 18650s while amp in use?
  171. Need help in wiring boombox!!!!
  172. Possible to run 2 regs from same winding?
  173. Need a +/-56V to +/-15V voltage reducer for opamps
  174. Testing Power Supply Caps
  175. LPSU powering hdd DIRECTLY - HOW?
  176. Cost to clone this PS?
  177. Question about caps
  178. Modifying Marantz 2015
  179. Cheap-ish DIY Portable Bluetooth Speaker Questions
  180. Source of Transformer for Power Amp
  181. stepup 12VDC to <30VDC for D-amp
  182. Boosting 12 VDC class D power supply to 22 VDC
  183. How to watch the responses of diodes
  184. Toroid Power Trans/Power Supply Question
  185. gyrator doesn't work?
  186. Power supply module
  187. Lab grade power supply outputs
  188. peak crossing Triac switch ?
  189. Please help. "The wire" quad parallel dual rail lt3042 psu setup for bipolar output?
  190. First time DIY - Need power supply advise
  191. Wire gauge from inlet to power transformer
  192. Help about transformer for PWM Power Supply
  193. any tips for replacing caps & I/C's
  194. pioneer a 777
  195. Alchemist power supply
  196. Unknown Toroid VA Rating
  197. Transformer wiring
  198. SMPS for Car (Dual Rail)
  199. Help identifying phono PSU Transistor please.
  200. AC main power to high.
  201. Transformer primary wiring help
  202. mains conditioner
  203. Isolation transformer
  204. Distance of 78xx/79xx Voltage Regulator to Circuitry
  205. Help Identyifying Power Transformer?
  206. 16ohm Earphones with a class A amplifier
  207. Need a power transformer for this audio amp?
  208. Inrush current limiter for DC
  209. Newbie: Required Amps for TDA7293
  210. Dynaco Stereo 410 tranformer metal end caps missing
  211. Capacitors for power supply
  212. Unusual using for LM317/LM337 in a PS for Power Amp
  213. Help and comments wanted on power supply
  214. Unstable Autotransformer (230 > 110v)
  215. Power Supply Noise
  216. Transformer question.
  217. Adjustable 35V regulator PCB
  218. SMPS800RS for 2x HiFimeDIY T4's?
  219. How does the "Jewel thief" work?
  220. SMPS _ shielding options.
  221. NTC recommendation for 0.4F cap 51V transformer
  222. NTC before DC mains filter?
  223. Help a noob with respeccing a transformer for silicon rectifiers.
  224. 13.8V 80A Linear PS circuit design analysis for Ham Radio Use
  225. Rectifier - tube or semiconductor?
  226. Help finding a Transformer
  227. Symmetrical Pre-regulator from a floating winding
  228. Transformer alarmingly hot
  229. Cheaper Gainclone PSU
  230. Grounding TPS7A4700 based supply
  231. Benchmark's super quiet SPS
  232. Sziklai/Darlington AD817A regulator circuit
  233. Efficient dual rail DC power supply for car audio
  234. Stand alone power supply
  235. Dual rail supply help
  236. Star ground in an LCLC filter
  237. What 3VA power transformer meets Energy Star / IEC 62301 sub-1W vampire power spec?
  238. Pop when power on
  239. Compact DIY friendly dual TPS7A3301 power supply
  240. CiAudio VDC-SB Power Supply
  241. LM338K not being able to provide current
  242. LT3080 High Voltage Floating Regulator
  243. High Voltage isolated DC-DC converter
  244. SMPS output coupled inductors
  245. Variable power supply for tube amps
  246. Stacked Power Supply
  247. op amp rectifier bridge with gain
  248. !!!Newbie topic ;-) 12v to 9v regulator
  249. Would someone please sense check my calcs ?
  250. Transformer locations

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