View Full Version : Power Supplies

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  1. alteration of the power supply from the power amplifier Harman Kardon HK870 at 220.
  2. fuse blowing on power supply
  3. Where to buy power supply AC 17V, 8VA
  4. Help with an ATX Power Supply Low 3.3v
  5. simple soft start
  6. Stable low noise PS for active crossover boards?
  7. SMPS for DAC and small power amplifier
  8. 12 to 5 AC Rectification
  9. DIY Toroidal Core
  10. SMD IC identification
  11. Source for linear wall warts?
  12. Simple Feed Forward
  13. help with PSU trouble
  14. Advice on CCS_TL431_PNP shunt reg + op amps
  15. Soft _start
  16. Car Amp Power Supply
  17. Billu's thread closed
  18. What should I do with my R-Core transformer
  19. Need a 12vdc 2.5a linear power supply
  20. Using multiple voltage transformer to get higher voltage
  21. Amplificador SubZero-Dr Jacobid
  22. Is this going to be adequate: MKP Power Caps
  23. smps transformer
  24. What should be the deadtime for Hbridge circuit???
  25. Half Bridge SMPS, gapped transformer ?
  26. modifying number of turns on trafo
  27. Blowing a power transformer winding open
  28. Voltage Regulators - Sensitivity?
  29. Broskie's HPS1
  30. DC Filter Choke Working Voltage Question
  31. Power Supply Preference
  32. 5v to USB?
  33. What are clips used for on transformer core
  34. My new 1200W SMPS
  35. TDA2030A Power Supply bridge mode
  36. Special power supply and preamplifier for STK086
  37. Are good supplies for analogue also good for digital?
  38. Simple TDA2003 PSU design question
  39. HV CRC PSU
  40. Panasonic TS HA vs BHC Slit-Foils
  41. Linear PSU for laptop
  42. Synqor DC filter
  44. Amp6 smps amperage question
  45. powering up an esp project 99
  46. Multiple regulators - What is the end-output-impedance?
  47. LM3886 amp with NE5532 volume control board
  48. Regulating flyback w/ separate secondaries
  49. SMPS 350W 35-0-35V
  50. Beginner question about V, A and my Topping
  51. Power transformer question
  52. 7815T in a TO-220 package
  53. Wiring a transformer for amplifier board
  54. Making Symmetric Power Supply from Single with 4x ATX power Supply?
  55. About ETD Cores
  56. Help to known my transformer power
  57. Help with PS under load.
  58. Power Transformer Noise (not Hum)
  59. Bybee Music Rails Problem
  60. SMPS Core Selection?
  61. My new 1.5kW SMPS Some reviews
  62. Simple, low noise power supply
  63. SMPS number of turns
  64. Working LED's from 54Volt
  65. Forced cooling of toroid transformer
  66. smps
  67. Can MOV (varistors) be wired to each primary in a universal dual-primary transformer?
  68. Some thoughts on the T-Reg
  69. Fuse positioning in PSUs
  70. Simple 12v adjustable help
  71. two transformers into one
  72. High voltage timer
  73. Shunt regulator on ebay-how good?
  74. Asymmetric half bridge
  75. NE555 turn on delay problem
  76. Bipolar capacitor
  77. Mystery Transformer Identification
  78. Transformer voltage droop
  79. Multiple Toroid Transformer Secondaries
  80. Reasons LT regulator fails under load
  81. First Build PSU questions.
  82. CRCLC For Chipamp
  83. Quick question about transformar VA raiting
  84. DC earth fault detection
  85. Three bigger transformers or Nine smaller
  86. mains filter - maybe worse ?
  87. 807 regulated supply
  88. Help finding power transformer for 5.1 reciever system
  89. Toriodal Material for a Power Transformer
  90. Use of TI DC/DC converter in a preamp circuit
  91. Components after a Solid State Relay
  92. Transformer modification
  93. TL494 output driving
  94. 2 capacitors and a rectifier
  95. Good Maxim article about SMPS efficiency
  96. Need Battery Charger Circuit with Autor Power Off
  97. psu for lme49810
  98. Is this PFC or not ?
  99. Super caps...
  100. Losing some volts, or not.
  101. 120VAC-15VAC split power supply
  102. Offline power supply for USB / 5v
  103. Understanding what's going on with my PS
  104. Hammond 269AX to run 6 ECC88s?
  105. Can I increase current by combining transformer secondaries like this?
  106. Linear Power Supply for SOtM tX-USB
  107. cheap +/- 15V power supplies
  108. toroidal transformer
  109. Blown parallel FETs?
  110. Error amplifier compensation desighn in SMPS
  111. Hey guys, see if you can help.
  112. using only part of transformer primary - problems?
  113. connecting lots and lots of capacitors in a PS
  114. psu transformer impedance??
  115. help with LM3886 amp project
  116. Question about 2*xV Transformers
  117. Constant voltage transformers
  118. Unregulated SMPS Efficiency
  119. Helix board 12 power supply voltages
  120. Need a second opinion
  121. required a fullbridge topology schema
  122. help with LM3886 amp project
  123. neutral to ground voltage?
  124. usign redundanct power transformer as CLC choke
  125. SMPS power up problems.
  126. 35volt @15amp offline smps based on SG3525 needed
  127. Computer power supply mod?
  128. Pin out for E SATA hard disk power supply
  129. Is there a difference between these two methods?
  130. Hello, a query about power supplies
  131. lm338 regulated power supply
  132. Charge pump DC doubler
  133. LLC resonant converter
  134. Ripple in unregulated supply for class-A amp
  135. Power Supply - Naim Clone
  136. HP 6269B 0-40V@0-50A REGULATED DC POWER SUPPLY for DIY amplifier
  137. PSUD2: data on UU5 and UU6 rectifiers
  138. Is Higher VA always better? and Avel close or Antek exact?
  139. New TI SMPS for Audio App. Note
  140. German military are selling C3g tubes
  141. feedback relating core usage
  142. Regulated Power supply design suggestions and updates for LM1875 stereo amplifier
  143. Replacement for 10M45 / CCS
  144. EI or double-C core for class A Amp?
  145. Using two positive voltage regulators for a dual polarity power supply
  146. Regulators from Jims Audio.
  147. Tool for sizing linear unregulated power supplies
  148. Can I use a 2x35V transformer as a center tap transformer?
  149. how to estimate transformer sag under load
  150. recommendations for reservoir capacitor type
  151. Shunt regulator with pos and neg outputs.
  152. Strange ripple on rails when amp is connected
  153. Toroid Transformer Vertical or Horizontal Mounting
  154. How to control power of two or more devices
  155. Vintage preamplifier power supply problem
  156. 20 millivolts on chassis
  157. Mr. Jung's new shunt regulator!
  158. LM317 tracking pre-regulator and current regulator
  159. Transformer for Subwoofer
  160. DC/AC Pure Sine Wave Inverter
  161. Help for fix my powwer supply
  162. Buck/Boost component calculation
  163. Dual Section Capacitor
  164. Transformer shielding
  165. Beginners Transformer Question
  166. Car battery as power supply
  167. Poles and zeros for two transistor forward?
  168. SMPS for Class B amplifier?
  169. Where to buy SMPS
  170. Mosfet gate drive transformer...is ok?
  171. Values for muting function
  172. Gapping an SMPS transformer core.
  173. Tube power supply and hot regulators
  174. TDA2052 power supply.
  175. Sandwich winding for coupled inductor?
  176. Inductor design: Minimum or effective area?
  177. Ferrite core for Boost PFC inductor.
  178. Replace regulator with Belleson Super Regs. Which ones?
  179. how to wind coupled inductor on toroid
  180. Advice on a +150VDC/-100VDC power supply
  181. Behringer Europower PMH1000 blown psu fixed
  182. Voltage doubler introduces noise?
  183. Help with SMPS
  184. Bridge rectifier power rating question ?
  185. 12VDC Step up to 300VDC
  186. Help selecting a power supply : 3xSure 25W amp + PGA2310 preamp/vol. (Australia 240v)
  187. How to test Power Mosfet IXTA36N30P TA36N30P
  188. build power supply
  189. Dual bank auto-switching supercapacitor power supply?
  190. How to split single 40v into +/-15v ?
  191. Please help with power conditioner scheme or accuphase ps 1210 /1220
  192. Leakage inductance value is realistic?
  193. help regarding transformers
  194. Question about transformer
  195. Bench Power Supply
  196. Toroidal Transformer additional windings
  197. HELP - please explain "bench" power supply outputs
  198. two amplifiers, one transformer
  199. 101 transformer question
  200. ATX PSU Modified for 25V
  201. Question about IC Power Supply Winding
  202. Auto switch on for Power supply possible?
  203. powersupply for TK2050 2*100w amp
  204. lm337 negative bias supply. Minimum load?
  205. One amplifier, two transformers
  206. ripple current measurement
  207. SMPS feedback loop for audio amp supply
  208. Power supply for Phillips CDPro2
  209. Schematic for 12v NimH battery charger
  210. Flyback to supply 30W Class D amp
  211. Motor to generator mains regenerator.
  212. Help with ferrite material type
  213. Implications of boosting transformer voltage
  214. Transformer Winding Convention - Dual Primary?
  215. Bad transistor in Mac Preamp
  216. Voltage reference
  217. Some LM317 Bode Plots
  218. use symmetrical transformer for single supply amp?
  219. Powering IRS2092
  220. Question arround the Power Supply of Linn's Preamp LK-1
  221. Seek pure sine wave oscillator schematic ...
  222. Ideas for Dual +-28V and 2A Audio power Supply with PFC
  223. 2 x 115-2x500 to 2 x 240-2 x 1000?
  224. Fixed Linear Regulators a possibly stupid question
  225. Switching out euro transformers?
  226. HUM From an amplifier
  227. LLC converter too low transient response.
  228. LLC converter operating in capacitive region
  229. Mundorf M-Cap Supreme as bypass cap?
  230. Belleson Superpower regulator, here's the schematic
  231. SMPS noise reduction technique
  232. Fixing PS toroid whining on car amp.
  233. Ceramic resistor question.
  234. regulated power suuply for Texas TPA3100D2 evaluation board
  235. Suble hum in 2.1 system, not ground loops
  237. SMPS must be rated twice the class D power
  238. Psu / battery recharging
  239. Flyback transformer core of T.V. or Monitor
  240. Newbie PSU mod
  241. variable constant current source?
  242. Help with SMPS Transformer
  243. What's wrong with Ac line filters
  244. Need a 2W Bipolar DC - DC Converter circuit to make a dual rail power supply
  245. Flyback SMPS for high power....eg...350W
  246. Low duty cycle for full bridge SMPS?
  247. LLC converter
  248. Imported goods and UK Mains Voltage
  249. Will this sufficiently power my class D amp?
  250. 48v Phantom voltage from 30v smps

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