View Full Version : Power Supplies

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  1. which transformer to use for this regulated supply?
  2. Some brief questions on SMPS's filtering and grounding
  3. traces/placement psu board for class A amp
  4. Transformer specs?
  5. Two Transformer connect ground together
  6. Possible to reconfigure Toroidal Transformer?
  7. DC sub for AC voltage
  8. Volt-Ammeter
  9. smd CRC filter
  11. 3V lithium battery physics
  12. SMPS for Mixing Console
  13. LM329 LTSpice model needed
  14. Acurus L10 Powersupply
  15. What transformer is this?
  16. Transformer selection for CK260 CanaKit
  17. Laptop batteries?
  18. 7815 and 7915 output problems
  19. Center tap offset 12vac
  20. Measuring stray inductance of a transformer with two sec. windings?
  21. Q:Transformer tray inductance measurement
  22. Shared current Power Supply
  23. Switching power supplies vs transformer
  24. Multiple parallel caps in a PS is there a downside?
  25. Info on toroidal
  26. PSU noise - distance between blocks - cables length
  27. Tascam DM-24 P. S. Schematic
  28. Re-using 12V PC/Bench supplies with 30V TK2050
  29. Upgrading PSU in old audio amplifier...
  30. Dual pos. regulators after an SMPS
  31. Martin Logan Dynamo power supply
  32. Virtual ct on a trafo with no ct
  33. PWM-controlled dual PSU
  34. Mosfet regulated 400V PSU oscilation help
  35. Control Shutdown (enable) pin of LT1963A voltage regulator with Open collector
  36. Differential use of transformer secondary ?
  37. Polarity protect diode
  38. leader function generator
  39. +\-50v supply help
  40. Implementation of components
  41. TL431 Based CSS & Shunt Reg for +/-15V
  42. Electrolytic Capacitor Question
  43. 81V Regulated Power Supply for a Nytech CPA602
  44. Changing a 12VDC -> +/-35VDC SMPS to a 120VAC -> +/-35VDC SMPS
  45. Advice on Powering/Recharging a Mobile Stereo
  46. T splices in the PSU: that bad?
  47. Litz wire peeling techniques
  48. Simple discrete shunt bipolar supply for opamp
  49. Simple regulator sanity check?
  50. What shunt regulator should I build?
  51. Softstart delay
  52. Power Supply Mains Filter
  53. USES for OLD Rectifiers and SCRs
  54. base theory of self osc and sample circuit
  55. needed idiots guide to powering with batteries
  56. Transformer type identification help
  57. Crossover Bi-amping (12VDC), what to do?
  58. Power supply when mains voltage in unstable
  59. Question about Bobken regulator and current output
  60. Crude idea to modify PC ATX PSU for Tube Amp
  61. Can't Tell if Power Supply is Dual Rail
  62. improving Digi002r Power supply!
  63. Would this work (class d power supply)
  64. Uni SMPS
  65. Connected a transformer wrong, I think
  66. Can LM337L be Used in Preregulator Mode
  67. what shematic for switching power suplply
  68. Calculation formulas for c-core/double c-core transformer
  69. Transformer calculations for Jlh for quad esl amplifier
  70. Which Maida output scheme do you prefer?
  71. Variac set to "low" as soft-start for large transformer?
  72. Car battery as UPS backup
  73. MDA fuse for a glass fuse.
  74. AC converter vrom 220V/50Hz to 110V/60Hz for Krell HTS-5.1 or Sunfire Theatre Grand
  75. "Rewire" Amp Transformer from 120V to 230V
  76. Wiring a toroidal transformer!
  77. Lenard's Series Pass MOSFET Tube Regulator Qs
  78. Holden And Fisher Transformers
  79. Power supplies to fuel some wild projects
  80. My voltage doubler - is this works?
  81. "Special" power supply
  82. Smoothing Supply
  83. Smoothing Supply
  84. RN-20 Chinese transformer connecting to JHL Amp board
  85. http://www.selectronic.fr
  86. Question: Tube Regulated Power Supply
  87. basic power supply questions
  88. power on/off dc surge
  89. DIY Mains conditioning Power bar (Mains DC, and Mains voltage)
  90. Help with B+ 325 supply
  91. Just bought a TDA8950TH 2.1 digital Class D Amplifier Board 2*150W+250W (AM160)
  92. Tapping 12v from a NAP140 clone PCB board
  93. 15VAC Dual adjustable regulated PSU 5V-25VDC
  94. Monster HTS 3600 MKII
  95. R Core transformer noise
  96. Power supply for my Aikido mixer
  97. power supply subtitute for topping d20
  98. please advise MUCH better chip than 7815 for 15V
  99. Choke to be wound calculation assistance request
  100. Regulating battery to 9V
  101. 18V + 18V Power Adapter = +/- 18V Power Supply ?
  102. +/-12vdc, 5volt digital ground?
  103. Soft Start Collection
  104. varying filter cap values?
  105. Shunt Reg… need help
  106. How to make simple battery PS for phono preamp?
  107. BEHRINGER PMP4000 power source
  108. Amplifier Does Not power up
  109. Universal PSU Capacitor Group Buy
  110. transformer power for gainclone amp
  111. Capacitance Multiplier Power Supply
  112. Draw power from one of two batteries in series
  113. main bridge has diodes in series
  114. SMPS Mac Mini
  115. Thule DVD250B blows the fuse
  116. Hifg Voltage Rectifiers
  117. HV Linear Supply Design - Loop compensation advice needed!
  118. Help cleaning up ripple on 9v 6 chnl guitar pedal power supply
  119. Analog Metric Softstart Board
  120. please help,problem with my amp....the led indicator like a flip flop.
  121. Power for a 13.5V DC circuit
  122. Power supply, transformer
  123. Bypass capacitor placement
  124. Simple DIY Rectifier?
  125. I need schematic for a 2x9v battery charger
  126. 100v dc from 150?
  127. So nothing is wrong?
  128. Power supply query
  129. Rectified AC vs switching power supply
  130. 1000W SMPS
  131. Hook Up of -24 +24 Power Supply-Help
  132. SMPS 800W for audio applications +/-62Vcc
  133. ground or not to ground..??
  134. Need opinion
  135. Ground question
  136. [DIY]Transducer driver SMPS
  137. LM317 vs MOSFET/BJT resulted PSU for tube poweramp
  138. help with transformer
  139. 4 x 100V AC to 500V DC
  140. Is my transformer defective?
  141. LM78xx output decoupling capacitor
  142. Convert 21V to 15V dc to dc
  143. PS boards in DIY store
  144. External battery charger (PS Vita)
  145. Power supply for TDA7498 Amp?
  146. Lighting transformers as a power supply
  148. I need a 285 regulated PS
  149. Power supply for TDA2030
  150. Boost converters & amplifiers & batteries
  151. +/- 90v smps looking for simple design
  152. IEC connector alternative ?
  153. Modelling an L C R power supply
  154. Feeding PCM1704
  155. Transformers and current output
  156. How to wire AC neon pilot light?
  157. Can you make an smps regulated by adding an lm317?
  158. Broken transformer wire..
  159. Adding a infrared or rf remote to a DIY system
  160. PC PSU To Power Car Amplifier
  161. Transformer energy conservation
  162. Be away from powerpoints
  163. Toroidal transformer wire problems
  164. Transformer Current Testing
  165. Why are Switching power supplies so uncommon ?
  166. PSUD2 and CCS
  167. LM317-337 regulated +-24VDC
  168. LM series adjustable dual power supply
  169. Wanted: Schematic for Lambda Model 28
  170. psrr vs frequency in audio precision(AP2700)
  171. Inductor for magnet power supply
  172. smps forward - need help with bias voltage
  173. high watt smps
  174. LM338 Resistor Wattage
  175. Unusual filtering scheme question
  176. Alpha ca1000 power supply
  177. Help needed for 18v phono stage PS hum
  178. 50V to +/-15 - Best solution?
  179. Transformer volts & VA vs. output power experimentation
  180. help identifying this part?
  181. How to take apart Eagle brand receptacles?
  182. Peavey CS800, no Power
  183. Smps with IR2153 for audio amplifier
  184. Sanity check - back to back transformers and CT
  185. regulating smps output
  186. Transformer with strange output- 240V- 5.5mA
  187. Suggestions on regulating -70v
  188. Can one hear a switching power supply?
  189. ZVS smps
  190. Single PS powering several boards
  191. Power Supply -50V gnd +50V
  192. Tired of troubleshooting the TL431 - let's switch to batteries (TNT inDiscreto)
  193. Synthesizer power distribution
  194. adding current limiting to a power supply
  195. LM350 max. output voltage
  196. High current voltage regulator using lm7824
  197. Is there any thing wrong with this design
  198. Morgan Jones 2 Transistor Regulator
  199. Need help designing a rectified circuit to AC-power my DC power supply
  200. Power for active crossovers in Active monitors
  201. Toroidal transformer unpackaging and mounting
  202. Parsing the Supertex LR8N3 HV regulator
  203. TDA2030 battery supply?!?
  204. on chip negative voltage regulator with positive supply voltage
  205. power amp and extern supply ?
  206. 15V Batteries
  207. High Voltage Variable Supply on a Shoestring
  208. Batteries lifepo in Europe?
  209. Some mains transformer power supply options
  210. Single Supply Rectifier: 2 Diodes OR 4 Diodes?
  211. Request help with odd looking CCS fed shunt reg circuit and load current ability.
  212. supply power problem
  213. PWM SG3525,IRFPS3810 for 5KW power inverter
  214. TL431-related (circa) problem - TNT Indiscreto power supply
  215. 12 SLA charging circuit for amp
  216. SuperTeddyReg - help needed in calculating values
  217. Can you tell me output ampere of the transformer?
  218. Push-pull converter with atx transformer?
  219. CRC Power Supply Resistor Rating
  220. HexFred vs. Hyperfast Diode (1200v)
  221. Giaime Ugliano Maida regulator
  222. Earthing a double insulated Amp
  223. PS design for tube pre-amp
  224. PSUD high ESR question
  225. Amek Einstein PSU
  226. +-85volt regulator
  227. battery power supply for classT/D amp
  228. Voltage doubler?
  229. Design of SMPS
  230. Laptop power supplies for amps
  231. PSU filter capacitor value vs. output voltage swing
  232. Is this Gonna Work?!?
  233. Preamp quadruple power supply - Opinions
  234. Power Supply for AK4395 board
  235. Powering amplifier from two coil transformer
  236. Battery PSU with voltage meter.
  237. Power Supply for LM1875
  238. +/-15vdc 7815, 7915 Power supply
  239. Winding two 350 VA amps - 240 Volts input
  240. Synthesizer power supply
  241. Chip amp power supply
  242. Power supply for Car amplifier
  243. DIY Benchtop PSU, what about these.....
  244. Any opinions about this battery desulfator ?
  245. +&- 45VDC from 12-15VDC @25A output
  246. Powering a high-end USB DAC
  247. Is this also a type of Switching Power Supply
  248. Pseudo ground
  249. Synthesizer power supply
  250. +/- dc power supply

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