View Full Version : Power Supplies

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