View Full Version : Power Supplies

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  1. Martin Logan Dynamo power supply
  2. Virtual ct on a trafo with no ct
  3. PWM-controlled dual PSU
  4. Mosfet regulated 400V PSU oscilation help
  5. Control Shutdown (enable) pin of LT1963A voltage regulator with Open collector
  6. Differential use of transformer secondary ?
  7. Polarity protect diode
  8. leader function generator
  9. +\-50v supply help
  10. Implementation of components
  11. TL431 Based CSS & Shunt Reg for +/-15V
  12. Electrolytic Capacitor Question
  13. 81V Regulated Power Supply for a Nytech CPA602
  14. Changing a 12VDC -> +/-35VDC SMPS to a 120VAC -> +/-35VDC SMPS
  15. Advice on Powering/Recharging a Mobile Stereo
  16. T splices in the PSU: that bad?
  17. Litz wire peeling techniques
  18. Simple discrete shunt bipolar supply for opamp
  19. Simple regulator sanity check?
  20. What shunt regulator should I build?
  21. Softstart delay
  22. Power Supply Mains Filter
  23. USES for OLD Rectifiers and SCRs
  24. base theory of self osc and sample circuit
  25. needed idiots guide to powering with batteries
  26. Transformer type identification help
  27. Crossover Bi-amping (12VDC), what to do?
  28. Power supply when mains voltage in unstable
  29. Question about Bobken regulator and current output
  30. Crude idea to modify PC ATX PSU for Tube Amp
  31. Can't Tell if Power Supply is Dual Rail
  32. improving Digi002r Power supply!
  33. Would this work (class d power supply)
  34. Uni SMPS
  35. Connected a transformer wrong, I think
  36. Can LM337L be Used in Preregulator Mode
  37. what shematic for switching power suplply
  38. Calculation formulas for c-core/double c-core transformer
  39. Transformer calculations for Jlh for quad esl amplifier
  40. Which Maida output scheme do you prefer?
  41. Variac set to "low" as soft-start for large transformer?
  42. Car battery as UPS backup
  43. MDA fuse for a glass fuse.
  44. AC converter vrom 220V/50Hz to 110V/60Hz for Krell HTS-5.1 or Sunfire Theatre Grand
  45. "Rewire" Amp Transformer from 120V to 230V
  46. Wiring a toroidal transformer!
  47. Lenard's Series Pass MOSFET Tube Regulator Qs
  48. Holden And Fisher Transformers
  49. Power supplies to fuel some wild projects
  50. My voltage doubler - is this works?
  51. "Special" power supply
  52. Smoothing Supply
  53. Smoothing Supply
  54. RN-20 Chinese transformer connecting to JHL Amp board
  55. http://www.selectronic.fr
  56. Question: Tube Regulated Power Supply
  57. basic power supply questions
  58. power on/off dc surge
  59. DIY Mains conditioning Power bar (Mains DC, and Mains voltage)
  60. Help with B+ 325 supply
  61. Just bought a TDA8950TH 2.1 digital Class D Amplifier Board 2*150W+250W (AM160)
  62. Tapping 12v from a NAP140 clone PCB board
  63. 15VAC Dual adjustable regulated PSU 5V-25VDC
  64. Monster HTS 3600 MKII
  65. R Core transformer noise
  66. Power supply for my Aikido mixer
  67. power supply subtitute for topping d20
  68. please advise MUCH better chip than 7815 for 15V
  69. Choke to be wound calculation assistance request
  70. Regulating battery to 9V
  71. 18V + 18V Power Adapter = +/- 18V Power Supply ?
  72. +/-12vdc, 5volt digital ground?
  73. Soft Start Collection
  74. varying filter cap values?
  75. Shunt Reg… need help
  76. How to make simple battery PS for phono preamp?
  77. BEHRINGER PMP4000 power source
  78. Amplifier Does Not power up
  79. Universal PSU Capacitor Group Buy
  80. transformer power for gainclone amp
  81. Capacitance Multiplier Power Supply
  82. Draw power from one of two batteries in series
  83. main bridge has diodes in series
  84. SMPS Mac Mini
  85. Thule DVD250B blows the fuse
  86. Hifg Voltage Rectifiers
  87. HV Linear Supply Design - Loop compensation advice needed!
  88. Help cleaning up ripple on 9v 6 chnl guitar pedal power supply
  89. Analog Metric Softstart Board
  90. please help,problem with my amp....the led indicator like a flip flop.
  91. Power for a 13.5V DC circuit
  92. Power supply, transformer
  93. Bypass capacitor placement
  94. Simple DIY Rectifier?
  95. I need schematic for a 2x9v battery charger
  96. 100v dc from 150?
  97. So nothing is wrong?
  98. Power supply query
  99. Rectified AC vs switching power supply
  100. 1000W SMPS
  101. Hook Up of -24 +24 Power Supply-Help
  102. SMPS 800W for audio applications +/-62Vcc
  103. ground or not to ground..??
  104. Need opinion
  105. Ground question
  106. [DIY]Transducer driver SMPS
  107. LM317 vs MOSFET/BJT resulted PSU for tube poweramp
  108. help with transformer
  109. 4 x 100V AC to 500V DC
  110. Is my transformer defective?
  111. LM78xx output decoupling capacitor
  112. Convert 21V to 15V dc to dc
  113. PS boards in DIY store
  114. External battery charger (PS Vita)
  115. Power supply for TDA7498 Amp?
  116. Lighting transformers as a power supply
  118. I need a 285 regulated PS
  119. Power supply for TDA2030
  120. Boost converters & amplifiers & batteries
  121. +/- 90v smps looking for simple design
  122. IEC connector alternative ?
  123. Modelling an L C R power supply
  124. Feeding PCM1704
  125. Transformers and current output
  126. How to wire AC neon pilot light?
  127. Can you make an smps regulated by adding an lm317?
  128. Broken transformer wire..
  129. Adding a infrared or rf remote to a DIY system
  130. PC PSU To Power Car Amplifier
  131. Transformer energy conservation
  132. Be away from powerpoints
  133. Toroidal transformer wire problems
  134. Transformer Current Testing
  135. Why are Switching power supplies so uncommon ?
  136. PSUD2 and CCS
  137. LM317-337 regulated +-24VDC
  138. LM series adjustable dual power supply
  139. Wanted: Schematic for Lambda Model 28
  140. psrr vs frequency in audio precision(AP2700)
  141. Inductor for magnet power supply
  142. smps forward - need help with bias voltage
  143. high watt smps
  144. LM338 Resistor Wattage
  145. Unusual filtering scheme question
  146. Alpha ca1000 power supply
  147. Help needed for 18v phono stage PS hum
  148. 50V to +/-15 - Best solution?
  149. Transformer volts & VA vs. output power experimentation
  150. help identifying this part?
  151. How to take apart Eagle brand receptacles?
  152. Peavey CS800, no Power
  153. Smps with IR2153 for audio amplifier
  154. Sanity check - back to back transformers and CT
  155. regulating smps output
  156. Transformer with strange output- 240V- 5.5mA
  157. Suggestions on regulating -70v
  158. Can one hear a switching power supply?
  159. ZVS smps
  160. Single PS powering several boards
  161. Power Supply -50V gnd +50V
  162. Tired of troubleshooting the TL431 - let's switch to batteries (TNT inDiscreto)
  163. Synthesizer power distribution
  164. adding current limiting to a power supply
  165. LM350 max. output voltage
  166. High current voltage regulator using lm7824
  167. Is there any thing wrong with this design
  168. Morgan Jones 2 Transistor Regulator
  169. Need help designing a rectified circuit to AC-power my DC power supply
  170. Power for active crossovers in Active monitors
  171. Toroidal transformer unpackaging and mounting
  172. Parsing the Supertex LR8N3 HV regulator
  173. TDA2030 battery supply?!?
  174. on chip negative voltage regulator with positive supply voltage
  175. power amp and extern supply ?
  176. 15V Batteries
  177. High Voltage Variable Supply on a Shoestring
  178. Batteries lifepo in Europe?
  179. Some mains transformer power supply options
  180. Single Supply Rectifier: 2 Diodes OR 4 Diodes?
  181. Request help with odd looking CCS fed shunt reg circuit and load current ability.
  182. supply power problem
  183. PWM SG3525,IRFPS3810 for 5KW power inverter
  184. TL431-related (circa) problem - TNT Indiscreto power supply
  185. 12 SLA charging circuit for amp
  186. SuperTeddyReg - help needed in calculating values
  187. Can you tell me output ampere of the transformer?
  188. Push-pull converter with atx transformer?
  189. CRC Power Supply Resistor Rating
  190. HexFred vs. Hyperfast Diode (1200v)
  191. Giaime Ugliano Maida regulator
  192. Earthing a double insulated Amp
  193. PS design for tube pre-amp
  194. PSUD high ESR question
  195. Amek Einstein PSU
  196. +-85volt regulator
  197. battery power supply for classT/D amp
  198. Voltage doubler?
  199. Design of SMPS
  200. Laptop power supplies for amps
  201. PSU filter capacitor value vs. output voltage swing
  202. Is this Gonna Work?!?
  203. Preamp quadruple power supply - Opinions
  204. Power Supply for AK4395 board
  205. Powering amplifier from two coil transformer
  206. Battery PSU with voltage meter.
  207. Power Supply for LM1875
  208. +/-15vdc 7815, 7915 Power supply
  209. Winding two 350 VA amps - 240 Volts input
  210. Synthesizer power supply
  211. Chip amp power supply
  212. Power supply for Car amplifier
  213. DIY Benchtop PSU, what about these.....
  214. Any opinions about this battery desulfator ?
  215. +&- 45VDC from 12-15VDC @25A output
  216. Powering a high-end USB DAC
  217. Is this also a type of Switching Power Supply
  218. Pseudo ground
  219. Synthesizer power supply
  220. +/- dc power supply
  221. xbox 360 powering an amp question
  222. Tube rectifier and first capacitor
  223. Pyramid R P S not working properly
  224. Anthem D2v power supply regulators
  225. Transformer secondary resistance
  226. Modern 317/337 alternatives?
  227. Power transformer ratings and cross-sectional area.
  228. Transformer VA question
  229. Transformer specifications for NAD t773?
  231. Simplest way for low-VA 220V->110V ?
  232. Function and Value for Resistor after Rectifier
  233. good YouTube Tutorials
  234. Huge voltage drop on PSU
  235. Extra turns on transformer secondary
  236. Rewind primary 100v/240v?
  237. Pioneer PD-F407 CD changer dead
  238. Adequate cooling
  239. do someone now this ic.
  240. Problem with Sugden Optima amp
  241. PC PSU for [in PC] Audio use
  242. Can't share power source with TLE2426
  243. Laptop power supply for T1 Hifimediy amp?
  244. Power transformer question
  245. HV PSU'S, Of any use ?
  246. Electrolytic rating advice needed for filter application
  247. Rechargable Battery for BoomBox
  248. Problem With SMPS
  249. Questions regarding 2 case builds.
  250. Starting my first DIY build by modifying an existing amplifier, any advice welcomed!

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