View Full Version : Power Supplies

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  1. U32D
  2. Need transformer output resistance of PSUD
  3. Cap-mult improvements ideas
  4. Basic SMPS design questions
  5. integrated amp hum through speakers
  6. Power Amplifier Noise Filtering Question
  7. help with wall wart ac/ac power supply
  8. power supply circuit in subwoofer
  9. 4 channel amp grounding, star gnd, hum
  10. Power grid spikes - bad for smps?
  11. Chinese Linear low power/noise - quality?
  12. LT1083 regulator, low voltage behavior
  13. CLC Rectifier
  14. Sony Power Board Question - How do I turn it on?...
  15. SMPS question
  16. Li-Ion/Li-Po based dual PSU
  17. Back to back mains transformers
  18. How to measure LM317 output voltage help!
  19. fixing/upgrading micro seiki dd-35
  20. Measuring PSRR
  21. Linear power supply
  22. Need help with HP 6434b power supply
  23. Modified APEX Stabilised PSU for ESP p3a-p3b
  24. Help Wiring transformer to tube buffer please!
  25. Rectifier Diode - as part of filter ? / Component noise ?
  26. Wiring new toroid tranny
  27. CD buffer PS resistor guesstimate?
  28. changing diodes/rectifier in mcintosh mc2505
  29. 100 VDC power supply caps?
  30. Preamp section unipolar 9v, Amp section +-28.5V bipolar, how to power both?
  31. Terminal Block Multiple Transformers Suggestion
  32. Reducing voltage from +-54VDC to +-40 VDC
  33. low noise Pre-Amp / DAC power supply MJE15034 TL072 Regulator based on STUDER 900
  34. PC Power supply noisy when connected to both 5V/12V output
  35. PCB layout for lm2596t switching reg
  36. Any benefit of enclosing a smps
  37. Simplistic Colpitts oscillators used as low-tech converters
  38. Getting 14 V + (unipolar) from 7 V +/- (bipolar)?
  39. CD buffer PS resistor guesstimate?
  40. Technology for leveling and polishing badly cut C cores?
  41. Need some help with class D power supply
  42. Transformer help
  43. 6.3VAC to 6.3VDC with LM317
  44. Active PFC not working - inductor faulty?
  45. Single PSU for 5 or more Amps ?
  46. sure 3116 mono
  47. Chip to measure voltage/current on amp rails?
  48. Pantum P2200
  49. Reducing AC voltage safely
  50. current rating for chokes in solid state power amp
  51. Please recommend good technical literature about choke/transformer design..
  52. GND connections in an Amplifier using a transformer with two secondary windings
  53. YH11068A 10-32V to 45-390V dc/dc - guess the control ICs
  54. Transformer challenge
  55. 18-24v power supply advice for B1 needed
  56. An amplifier to test chokes
  57. Bridge rectifier on AC mains?
  58. LT 3080 and LT3083 regulator problems
  59. How close should the B+/B- be to each other in a simple Bridge/Filter Supply? No Load
  60. UPS to Transformer to Monster HTS 3600 mkii - weird problem
  61. cresendo power supply regulated drop..
  62. add choke to PS, where to put it?
  63. how to Generating -16V with referenc to +24V Rail?
  64. Looking for a LM317/337 Sprint File.
  65. Oppo Resistor Identification
  66. Different kinds of chokes
  67. Power soft start board / amp delay soft start board what is it ???
  68. Two Jeff Rowland 12's from one SPS ??
  69. Handmade air coil inductor for noise suppression?
  70. -12v +12v from same power source?
  71. soft start circuit mods
  72. Help a Newb? Upgrade/Modify a Jolida 502a Power Supply
  73. power supply protection circuitry questions
  74. Question on Center-Tapped Transformer Voltage Multiplier
  75. USB powering bluetooth = noise.
  76. DIY Kef 107 Kube PSU?
  77. Need help Please
  78. Power supply for MX50SE and hook up
  79. Center Tapped Mains Transformer as Dual Channel PSU Choke
  80. Switching Supply Noise Eliminator
  81. Adding varistors to a psu design
  82. Help with power supply circuit
  83. Help Wiring Transformer to Mains Please
  84. Variable regulated supply
  85. Capacitor Bank Housing
  86. Voltage Multiplier for Amp FE
  87. Choosing a wall wart power supply for a battery powered fan
  88. op-amp power supply line RC filters - why?
  89. Best set of measurements to evaluate power supply design?
  90. Fixing old power supply
  91. Wire colors for dual-rail power supplies?
  92. PFC with MC34262
  93. 110v VARIAC rebuild question
  94. Is it tradition that we use linear PSUs for valve amps?
  95. 1.5v switch circuit
  96. Do SMPS's need earthing?
  97. Why voltage converter at all?
  98. LM317 & 2N3055 Variable Circuit Problems need help !
  99. PCB Layout questions for PSU with ground/power planes
  100. Telos Grounding Noise Reducer what is the principle?
  101. diode damage from inrush current?
  102. Sense and Differentiate between Short Circuit and Continuity with Passive Components
  103. SSLV 1.1 Negative rail - failure
  104. Nihm vs Lithium sound quality?
  105. toroidal transformer hum
  106. Need help/advice on a Vacuum State Super Regulator kit
  107. power inverter as HV supply
  108. How should I wire two power supplies to mains
  109. Connecting an Autotransformer to Isolation Transformer
  110. Best way to use 2 coil choke
  111. rectifier challenge
  112. Easy voltage multiplier.
  113. Help choosing a transformer 2 x dual sec. Vs 1 x quad sec.
  114. 110v inverter
  115. Light bulb current limiter with SMPS
  116. Meanwell EPS65S Series Power Supply
  117. combining Secondaries
  118. Rocker switch with neon light wiring
  119. power supply fault
  120. Transformer design for power amplifier
  121. Simplest possible tube regulator -- will it work?
  122. Felicia power conditioner. Does it works?
  123. transformer compatability and rectifaction help
  124. MLCC for high voltage decoupling in SMPS
  125. LCD 16X2 in Old School Battery Charger
  126. Recommend a dual rail +/-35v regulator
  127. wiring 5V and 6.3V taps
  128. Please help with transformer winding colours
  129. PSU turn off noise. Interpretation of scope please.
  130. Delta Electronics ATX power supply
  131. Adding single rail amp to split rail amp power supply
  132. Transformer voltage reduction
  133. Is a CDC power supply a good ideia?
  134. Building CarlosFM's snubberized PSU
  135. Mixing desk power supply
  136. voltage drop (valve rectifier with SS replacement)
  137. Please recommend a full bridge rectifier
  138. 12V 2A CLC Filter values for a noob, 0.4mH?
  139. Soft start kits
  140. Dual rail smps?
  141. Shielding ac adapter
  142. 3 or 4 wires in the transformer primary
  143. Lampizator tube PSU
  144. Smoothing Capacitor Capacitance calculator
  145. Add ferrite to my outlet AC ?
  146. 12v inverter to 240v mains - grounding?
  147. Krell KBL power supply fixes
  148. Snubber for a generic rectifier bridge?
  149. Battery Supply for Bluetooth Question
  150. chandler PSU-1 schematic
  151. Transformer for power supply
  152. These Three Meters ! Met with Rectifier, Once.
  153. transformer wiring
  154. Yorkville SM8 mixer SMPS fault - over voltage
  155. Transformer used implications to output power?
  156. Help with Ultra LDO with bypass tr.
  157. Help with Capacitors type in PSU for 300B amp
  158. Transformer-less, Mains Isolated Simple SMPS with PFC Circuit.
  159. Does a PP amp need to be DC?
  160. Controling a main transformer
  161. Capacitor ripple current calculations in SMPS
  162. LM2596 Regulators
  163. help needed with bias supply from HT voltage doubler
  164. Supercar ps
  165. Help with batteries for Blutooth Player
  166. computer music server power supply
  167. Capacitor Ripple Current vs Operational Temp
  168. FIRST DIY project! 2 chassis design - Power/Wire Implementation Questions
  169. Asus Vivo PC power supply
  170. LT3062 based PSU
  171. DC filter with chokes.
  172. About 9v rechargeable batteries
  173. Powering 4 Components from 2 PSUs
  174. I need some practical transformer winding advice.
  175. Lat internation ss 1000d biwire
  176. Voltage regulators kits on ebay.
  177. New uc3825 smps
  178. how to drop voltage
  179. Looking for voltage regulator
  180. Low duty cycle square wave problem, help pls
  181. PCB Design Question
  182. Music vs Normal Cap for Voltage Regulation Diffrent?
  183. Power supplies ripple _ does it must be really low ?
  184. core air gap maked own way question
  185. Safe prototyping supply. Regulated or unregulated? One per channel or amp?
  186. increasing the voltage of a transformer
  187. How much clearance around a toroidal transformer?
  188. Unexpected voltages from unregulated power supply
  189. LT 1085 / 1033 advice
  190. Power Supply for Hiraga
  191. What will be my rectified voltage if my Transforemer secondary voltage is 24-0-24 ?
  192. Toroidal core calculation
  193. How to build a Power Conditioner
  194. DIY output transformer odd voltages under test
  195. PSU filter for USB soundcard/amp?
  196. Charging 18650s while amp in use?
  197. Need help in wiring boombox!!!!
  198. Possible to run 2 regs from same winding?
  199. Need a +/-56V to +/-15V voltage reducer for opamps
  200. Testing Power Supply Caps
  201. LPSU powering hdd DIRECTLY - HOW?
  202. Cost to clone this PS?
  203. Question about caps
  204. Modifying Marantz 2015
  205. Cheap-ish DIY Portable Bluetooth Speaker Questions
  206. Source of Transformer for Power Amp
  207. stepup 12VDC to <30VDC for D-amp
  208. Boosting 12 VDC class D power supply to 22 VDC
  209. How to watch the responses of diodes
  210. Toroid Power Trans/Power Supply Question
  211. gyrator doesn't work?
  212. Power supply module
  213. Lab grade power supply outputs
  214. peak crossing Triac switch ?
  215. Please help. "The wire" quad parallel dual rail lt3042 psu setup for bipolar output?
  216. First time DIY - Need power supply advise
  217. Wire gauge from inlet to power transformer
  218. Help about transformer for PWM Power Supply
  219. any tips for replacing caps & I/C's
  220. pioneer a 777
  221. Alchemist power supply
  222. Unknown Toroid VA Rating
  223. Transformer wiring
  224. SMPS for Car (Dual Rail)
  225. Help identifying phono PSU Transistor please.
  226. AC main power to high.
  227. Transformer primary wiring help
  228. mains conditioner
  229. Isolation transformer
  230. Distance of 78xx/79xx Voltage Regulator to Circuitry
  231. Help Identyifying Power Transformer?
  232. 16ohm Earphones with a class A amplifier
  233. Need a power transformer for this audio amp?
  234. Inrush current limiter for DC
  235. Newbie: Required Amps for TDA7293
  236. Dynaco Stereo 410 tranformer metal end caps missing
  237. Capacitors for power supply
  238. Unusual using for LM317/LM337 in a PS for Power Amp
  239. Help and comments wanted on power supply
  240. Unstable Autotransformer (230 > 110v)
  241. Power Supply Noise
  242. Transformer question.
  243. Adjustable 35V regulator PCB
  244. SMPS800RS for 2x HiFimeDIY T4's?
  245. How does the "Jewel thief" work?
  246. SMPS _ shielding options.
  247. NTC recommendation for 0.4F cap 51V transformer
  248. NTC before DC mains filter?
  249. Help a noob with respeccing a transformer for silicon rectifiers.
  250. 13.8V 80A Linear PS circuit design analysis for Ham Radio Use

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