View Full Version : Power Supplies

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  1. Q:Transformer tray inductance measurement
  2. Shared current Power Supply
  3. Switching power supplies vs transformer
  4. Multiple parallel caps in a PS is there a downside?
  5. Info on toroidal
  6. PSU noise - distance between blocks - cables length
  7. Tascam DM-24 P. S. Schematic
  8. Re-using 12V PC/Bench supplies with 30V TK2050
  9. Upgrading PSU in old audio amplifier...
  10. Dual pos. regulators after an SMPS
  11. Martin Logan Dynamo power supply
  12. Virtual ct on a trafo with no ct
  13. PWM-controlled dual PSU
  14. Mosfet regulated 400V PSU oscilation help
  15. Control Shutdown (enable) pin of LT1963A voltage regulator with Open collector
  16. Differential use of transformer secondary ?
  17. Polarity protect diode
  18. leader function generator
  19. +\-50v supply help
  20. Implementation of components
  21. TL431 Based CSS & Shunt Reg for +/-15V
  22. Electrolytic Capacitor Question
  23. 81V Regulated Power Supply for a Nytech CPA602
  24. Changing a 12VDC -> +/-35VDC SMPS to a 120VAC -> +/-35VDC SMPS
  25. Advice on Powering/Recharging a Mobile Stereo
  26. T splices in the PSU: that bad?
  27. Litz wire peeling techniques
  28. Simple discrete shunt bipolar supply for opamp
  29. Simple regulator sanity check?
  30. What shunt regulator should I build?
  31. Softstart delay
  32. Power Supply Mains Filter
  33. USES for OLD Rectifiers and SCRs
  34. base theory of self osc and sample circuit
  35. needed idiots guide to powering with batteries
  36. Transformer type identification help
  37. Crossover Bi-amping (12VDC), what to do?
  38. Power supply when mains voltage in unstable
  39. Question about Bobken regulator and current output
  40. Crude idea to modify PC ATX PSU for Tube Amp
  41. Can't Tell if Power Supply is Dual Rail
  42. improving Digi002r Power supply!
  43. Would this work (class d power supply)
  44. Uni SMPS
  45. Connected a transformer wrong, I think
  46. Can LM337L be Used in Preregulator Mode
  47. what shematic for switching power suplply
  48. Calculation formulas for c-core/double c-core transformer
  49. Transformer calculations for Jlh for quad esl amplifier
  50. Which Maida output scheme do you prefer?
  51. Variac set to "low" as soft-start for large transformer?
  52. Car battery as UPS backup
  53. MDA fuse for a glass fuse.
  54. AC converter vrom 220V/50Hz to 110V/60Hz for Krell HTS-5.1 or Sunfire Theatre Grand
  55. "Rewire" Amp Transformer from 120V to 230V
  56. Wiring a toroidal transformer!
  57. Lenard's Series Pass MOSFET Tube Regulator Qs
  58. Holden And Fisher Transformers
  59. Power supplies to fuel some wild projects
  60. My voltage doubler - is this works?
  61. "Special" power supply
  62. Smoothing Supply
  63. Smoothing Supply
  64. RN-20 Chinese transformer connecting to JHL Amp board
  65. http://www.selectronic.fr
  66. Question: Tube Regulated Power Supply
  67. basic power supply questions
  68. power on/off dc surge
  69. DIY Mains conditioning Power bar (Mains DC, and Mains voltage)
  70. Help with B+ 325 supply
  71. Just bought a TDA8950TH 2.1 digital Class D Amplifier Board 2*150W+250W (AM160)
  72. Tapping 12v from a NAP140 clone PCB board
  73. 15VAC Dual adjustable regulated PSU 5V-25VDC
  74. Monster HTS 3600 MKII
  75. R Core transformer noise
  76. Power supply for my Aikido mixer
  77. power supply subtitute for topping d20
  78. please advise MUCH better chip than 7815 for 15V
  79. Choke to be wound calculation assistance request
  80. Regulating battery to 9V
  81. 18V + 18V Power Adapter = +/- 18V Power Supply ?
  82. +/-12vdc, 5volt digital ground?
  83. Soft Start Collection
  84. varying filter cap values?
  85. Shunt Reg… need help
  86. How to make simple battery PS for phono preamp?
  87. BEHRINGER PMP4000 power source
  88. Amplifier Does Not power up
  89. Universal PSU Capacitor Group Buy
  90. transformer power for gainclone amp
  91. Capacitance Multiplier Power Supply
  92. Draw power from one of two batteries in series
  93. main bridge has diodes in series
  94. SMPS Mac Mini
  95. Thule DVD250B blows the fuse
  96. Hifg Voltage Rectifiers
  97. HV Linear Supply Design - Loop compensation advice needed!
  98. Help cleaning up ripple on 9v 6 chnl guitar pedal power supply
  99. Analog Metric Softstart Board
  100. please help,problem with my amp....the led indicator like a flip flop.
  101. Power for a 13.5V DC circuit
  102. Power supply, transformer
  103. Bypass capacitor placement
  104. Simple DIY Rectifier?
  105. I need schematic for a 2x9v battery charger
  106. 100v dc from 150?
  107. So nothing is wrong?
  108. Power supply query
  109. Rectified AC vs switching power supply
  110. 1000W SMPS
  111. Hook Up of -24 +24 Power Supply-Help
  112. SMPS 800W for audio applications +/-62Vcc
  113. ground or not to ground..??
  114. Need opinion
  115. Ground question
  116. [DIY]Transducer driver SMPS
  117. LM317 vs MOSFET/BJT resulted PSU for tube poweramp
  118. help with transformer
  119. 4 x 100V AC to 500V DC
  120. Is my transformer defective?
  121. LM78xx output decoupling capacitor
  122. Convert 21V to 15V dc to dc
  123. PS boards in DIY store
  124. External battery charger (PS Vita)
  125. Power supply for TDA7498 Amp?
  126. Lighting transformers as a power supply
  128. I need a 285 regulated PS
  129. Power supply for TDA2030
  130. Boost converters & amplifiers & batteries
  131. +/- 90v smps looking for simple design
  132. IEC connector alternative ?
  133. Modelling an L C R power supply
  134. Feeding PCM1704
  135. Transformers and current output
  136. How to wire AC neon pilot light?
  137. Can you make an smps regulated by adding an lm317?
  138. Broken transformer wire..
  139. Adding a infrared or rf remote to a DIY system
  140. PC PSU To Power Car Amplifier
  141. Transformer energy conservation
  142. Be away from powerpoints
  143. Toroidal transformer wire problems
  144. Transformer Current Testing
  145. Why are Switching power supplies so uncommon ?
  146. PSUD2 and CCS
  147. LM317-337 regulated +-24VDC
  148. LM series adjustable dual power supply
  149. Wanted: Schematic for Lambda Model 28
  150. psrr vs frequency in audio precision(AP2700)
  151. Inductor for magnet power supply
  152. smps forward - need help with bias voltage
  153. high watt smps
  154. LM338 Resistor Wattage
  155. Unusual filtering scheme question
  156. Alpha ca1000 power supply
  157. Help needed for 18v phono stage PS hum
  158. 50V to +/-15 - Best solution?
  159. Transformer volts & VA vs. output power experimentation
  160. help identifying this part?
  161. How to take apart Eagle brand receptacles?
  162. Peavey CS800, no Power
  163. Smps with IR2153 for audio amplifier
  164. Sanity check - back to back transformers and CT
  165. regulating smps output
  166. Transformer with strange output- 240V- 5.5mA
  167. Suggestions on regulating -70v
  168. Can one hear a switching power supply?
  169. ZVS smps
  170. Single PS powering several boards
  171. Power Supply -50V gnd +50V
  172. Tired of troubleshooting the TL431 - let's switch to batteries (TNT inDiscreto)
  173. Synthesizer power distribution
  174. adding current limiting to a power supply
  175. LM350 max. output voltage
  176. High current voltage regulator using lm7824
  177. Is there any thing wrong with this design
  178. Morgan Jones 2 Transistor Regulator
  179. Need help designing a rectified circuit to AC-power my DC power supply
  180. Power for active crossovers in Active monitors
  181. Toroidal transformer unpackaging and mounting
  182. Parsing the Supertex LR8N3 HV regulator
  183. TDA2030 battery supply?!?
  184. on chip negative voltage regulator with positive supply voltage
  185. power amp and extern supply ?
  186. 15V Batteries
  187. High Voltage Variable Supply on a Shoestring
  188. Batteries lifepo in Europe?
  189. Some mains transformer power supply options
  190. Single Supply Rectifier: 2 Diodes OR 4 Diodes?
  191. Request help with odd looking CCS fed shunt reg circuit and load current ability.
  192. supply power problem
  193. PWM SG3525,IRFPS3810 for 5KW power inverter
  194. TL431-related (circa) problem - TNT Indiscreto power supply
  195. 12 SLA charging circuit for amp
  196. SuperTeddyReg - help needed in calculating values
  197. Can you tell me output ampere of the transformer?
  198. Push-pull converter with atx transformer?
  199. CRC Power Supply Resistor Rating
  200. HexFred vs. Hyperfast Diode (1200v)
  201. Giaime Ugliano Maida regulator
  202. Earthing a double insulated Amp
  203. PS design for tube pre-amp
  204. PSUD high ESR question
  205. Amek Einstein PSU
  206. +-85volt regulator
  207. battery power supply for classT/D amp
  208. Voltage doubler?
  209. Design of SMPS
  210. Laptop power supplies for amps
  211. PSU filter capacitor value vs. output voltage swing
  212. Is this Gonna Work?!?
  213. Preamp quadruple power supply - Opinions
  214. Power Supply for AK4395 board
  215. Powering amplifier from two coil transformer
  216. Battery PSU with voltage meter.
  217. Power Supply for LM1875
  218. +/-15vdc 7815, 7915 Power supply
  219. Winding two 350 VA amps - 240 Volts input
  220. Synthesizer power supply
  221. Chip amp power supply
  222. Power supply for Car amplifier
  223. DIY Benchtop PSU, what about these.....
  224. Any opinions about this battery desulfator ?
  225. +&- 45VDC from 12-15VDC @25A output
  226. Powering a high-end USB DAC
  227. Is this also a type of Switching Power Supply
  228. Pseudo ground
  229. Synthesizer power supply
  230. +/- dc power supply
  231. xbox 360 powering an amp question
  232. Tube rectifier and first capacitor
  233. Pyramid R P S not working properly
  234. Anthem D2v power supply regulators
  235. Transformer secondary resistance
  236. Modern 317/337 alternatives?
  237. Power transformer ratings and cross-sectional area.
  238. Transformer VA question
  239. Transformer specifications for NAD t773?
  241. Simplest way for low-VA 220V->110V ?
  242. Function and Value for Resistor after Rectifier
  243. good YouTube Tutorials
  244. Huge voltage drop on PSU
  245. Extra turns on transformer secondary
  246. Rewind primary 100v/240v?
  247. Pioneer PD-F407 CD changer dead
  248. Adequate cooling
  249. do someone now this ic.
  250. Problem with Sugden Optima amp

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