View Full Version : Power Supplies

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  1. Multiple parallel caps in a PS is there a downside?
  2. Info on toroidal
  3. PSU noise - distance between blocks - cables length
  4. Tascam DM-24 P. S. Schematic
  5. Re-using 12V PC/Bench supplies with 30V TK2050
  6. Upgrading PSU in old audio amplifier...
  7. Dual pos. regulators after an SMPS
  8. Martin Logan Dynamo power supply
  9. Virtual ct on a trafo with no ct
  10. PWM-controlled dual PSU
  11. Mosfet regulated 400V PSU oscilation help
  12. Control Shutdown (enable) pin of LT1963A voltage regulator with Open collector
  13. Differential use of transformer secondary ?
  14. Polarity protect diode
  15. leader function generator
  16. +\-50v supply help
  17. Implementation of components
  18. TL431 Based CSS & Shunt Reg for +/-15V
  19. Electrolytic Capacitor Question
  20. 81V Regulated Power Supply for a Nytech CPA602
  21. Changing a 12VDC -> +/-35VDC SMPS to a 120VAC -> +/-35VDC SMPS
  22. Advice on Powering/Recharging a Mobile Stereo
  23. T splices in the PSU: that bad?
  24. Litz wire peeling techniques
  25. Simple discrete shunt bipolar supply for opamp
  26. Simple regulator sanity check?
  27. What shunt regulator should I build?
  28. Softstart delay
  29. Power Supply Mains Filter
  30. USES for OLD Rectifiers and SCRs
  31. base theory of self osc and sample circuit
  32. needed idiots guide to powering with batteries
  33. Transformer type identification help
  34. Crossover Bi-amping (12VDC), what to do?
  35. Power supply when mains voltage in unstable
  36. Question about Bobken regulator and current output
  37. Crude idea to modify PC ATX PSU for Tube Amp
  38. Can't Tell if Power Supply is Dual Rail
  39. improving Digi002r Power supply!
  40. Would this work (class d power supply)
  41. Uni SMPS
  42. Connected a transformer wrong, I think
  43. Can LM337L be Used in Preregulator Mode
  44. what shematic for switching power suplply
  45. Calculation formulas for c-core/double c-core transformer
  46. Transformer calculations for Jlh for quad esl amplifier
  47. Which Maida output scheme do you prefer?
  48. Variac set to "low" as soft-start for large transformer?
  49. Car battery as UPS backup
  50. MDA fuse for a glass fuse.
  51. AC converter vrom 220V/50Hz to 110V/60Hz for Krell HTS-5.1 or Sunfire Theatre Grand
  52. "Rewire" Amp Transformer from 120V to 230V
  53. Wiring a toroidal transformer!
  54. Lenard's Series Pass MOSFET Tube Regulator Qs
  55. Holden And Fisher Transformers
  56. Power supplies to fuel some wild projects
  57. My voltage doubler - is this works?
  58. "Special" power supply
  59. Smoothing Supply
  60. Smoothing Supply
  61. RN-20 Chinese transformer connecting to JHL Amp board
  62. http://www.selectronic.fr
  63. Question: Tube Regulated Power Supply
  64. basic power supply questions
  65. power on/off dc surge
  66. DIY Mains conditioning Power bar (Mains DC, and Mains voltage)
  67. Help with B+ 325 supply
  68. Just bought a TDA8950TH 2.1 digital Class D Amplifier Board 2*150W+250W (AM160)
  69. Tapping 12v from a NAP140 clone PCB board
  70. 15VAC Dual adjustable regulated PSU 5V-25VDC
  71. Monster HTS 3600 MKII
  72. R Core transformer noise
  73. Power supply for my Aikido mixer
  74. power supply subtitute for topping d20
  75. please advise MUCH better chip than 7815 for 15V
  76. Choke to be wound calculation assistance request
  77. Regulating battery to 9V
  78. 18V + 18V Power Adapter = +/- 18V Power Supply ?
  79. +/-12vdc, 5volt digital ground?
  80. Soft Start Collection
  81. varying filter cap values?
  82. Shunt Reg… need help
  83. How to make simple battery PS for phono preamp?
  84. BEHRINGER PMP4000 power source
  85. Amplifier Does Not power up
  86. Universal PSU Capacitor Group Buy
  87. transformer power for gainclone amp
  88. Capacitance Multiplier Power Supply
  89. Draw power from one of two batteries in series
  90. main bridge has diodes in series
  91. SMPS Mac Mini
  92. Thule DVD250B blows the fuse
  93. Hifg Voltage Rectifiers
  94. HV Linear Supply Design - Loop compensation advice needed!
  95. Help cleaning up ripple on 9v 6 chnl guitar pedal power supply
  96. Analog Metric Softstart Board
  97. please help,problem with my amp....the led indicator like a flip flop.
  98. Power for a 13.5V DC circuit
  99. Power supply, transformer
  100. Bypass capacitor placement
  101. Simple DIY Rectifier?
  102. I need schematic for a 2x9v battery charger
  103. 100v dc from 150?
  104. So nothing is wrong?
  105. Power supply query
  106. Rectified AC vs switching power supply
  107. 1000W SMPS
  108. Hook Up of -24 +24 Power Supply-Help
  109. SMPS 800W for audio applications +/-62Vcc
  110. ground or not to ground..??
  111. Need opinion
  112. Ground question
  113. [DIY]Transducer driver SMPS
  114. LM317 vs MOSFET/BJT resulted PSU for tube poweramp
  115. help with transformer
  116. 4 x 100V AC to 500V DC
  117. Is my transformer defective?
  118. LM78xx output decoupling capacitor
  119. Convert 21V to 15V dc to dc
  120. PS boards in DIY store
  121. External battery charger (PS Vita)
  122. Power supply for TDA7498 Amp?
  123. Lighting transformers as a power supply
  125. I need a 285 regulated PS
  126. Power supply for TDA2030
  127. Boost converters & amplifiers & batteries
  128. +/- 90v smps looking for simple design
  129. IEC connector alternative ?
  130. Modelling an L C R power supply
  131. Feeding PCM1704
  132. Transformers and current output
  133. How to wire AC neon pilot light?
  134. Can you make an smps regulated by adding an lm317?
  135. Broken transformer wire..
  136. Adding a infrared or rf remote to a DIY system
  137. PC PSU To Power Car Amplifier
  138. Transformer energy conservation
  139. Be away from powerpoints
  140. Toroidal transformer wire problems
  141. Transformer Current Testing
  142. Why are Switching power supplies so uncommon ?
  143. PSUD2 and CCS
  144. LM317-337 regulated +-24VDC
  145. LM series adjustable dual power supply
  146. Wanted: Schematic for Lambda Model 28
  147. psrr vs frequency in audio precision(AP2700)
  148. Inductor for magnet power supply
  149. smps forward - need help with bias voltage
  150. high watt smps
  151. LM338 Resistor Wattage
  152. Unusual filtering scheme question
  153. Alpha ca1000 power supply
  154. Help needed for 18v phono stage PS hum
  155. 50V to +/-15 - Best solution?
  156. Transformer volts & VA vs. output power experimentation
  157. help identifying this part?
  158. How to take apart Eagle brand receptacles?
  159. Peavey CS800, no Power
  160. Smps with IR2153 for audio amplifier
  161. Sanity check - back to back transformers and CT
  162. regulating smps output
  163. Transformer with strange output- 240V- 5.5mA
  164. Suggestions on regulating -70v
  165. Can one hear a switching power supply?
  166. ZVS smps
  167. Single PS powering several boards
  168. Power Supply -50V gnd +50V
  169. Tired of troubleshooting the TL431 - let's switch to batteries (TNT inDiscreto)
  170. Synthesizer power distribution
  171. adding current limiting to a power supply
  172. LM350 max. output voltage
  173. High current voltage regulator using lm7824
  174. Is there any thing wrong with this design
  175. Morgan Jones 2 Transistor Regulator
  176. Need help designing a rectified circuit to AC-power my DC power supply
  177. Power for active crossovers in Active monitors
  178. Toroidal transformer unpackaging and mounting
  179. Parsing the Supertex LR8N3 HV regulator
  180. TDA2030 battery supply?!?
  181. on chip negative voltage regulator with positive supply voltage
  182. power amp and extern supply ?
  183. 15V Batteries
  184. High Voltage Variable Supply on a Shoestring
  185. Batteries lifepo in Europe?
  186. Some mains transformer power supply options
  187. Single Supply Rectifier: 2 Diodes OR 4 Diodes?
  188. Request help with odd looking CCS fed shunt reg circuit and load current ability.
  189. supply power problem
  190. PWM SG3525,IRFPS3810 for 5KW power inverter
  191. TL431-related (circa) problem - TNT Indiscreto power supply
  192. 12 SLA charging circuit for amp
  193. SuperTeddyReg - help needed in calculating values
  194. Can you tell me output ampere of the transformer?
  195. Push-pull converter with atx transformer?
  196. CRC Power Supply Resistor Rating
  197. HexFred vs. Hyperfast Diode (1200v)
  198. Giaime Ugliano Maida regulator
  199. Earthing a double insulated Amp
  200. PS design for tube pre-amp
  201. PSUD high ESR question
  202. Amek Einstein PSU
  203. +-85volt regulator
  204. battery power supply for classT/D amp
  205. Voltage doubler?
  206. Design of SMPS
  207. Laptop power supplies for amps
  208. PSU filter capacitor value vs. output voltage swing
  209. Is this Gonna Work?!?
  210. Preamp quadruple power supply - Opinions
  211. Power Supply for AK4395 board
  212. Powering amplifier from two coil transformer
  213. Battery PSU with voltage meter.
  214. Power Supply for LM1875
  215. +/-15vdc 7815, 7915 Power supply
  216. Winding two 350 VA amps - 240 Volts input
  217. 'High power' shunt regulator
  218. Synthesizer power supply
  219. Chip amp power supply
  220. Power supply for Car amplifier
  221. DIY Benchtop PSU, what about these.....
  222. Any opinions about this battery desulfator ?
  223. +&- 45VDC from 12-15VDC @25A output
  224. Powering a high-end USB DAC
  225. Is this also a type of Switching Power Supply
  226. Pseudo ground
  227. Synthesizer power supply
  228. +/- dc power supply
  229. xbox 360 powering an amp question
  230. Tube rectifier and first capacitor
  231. Pyramid R P S not working properly
  232. Anthem D2v power supply regulators
  233. Transformer secondary resistance
  234. Modern 317/337 alternatives?
  235. Power transformer ratings and cross-sectional area.
  236. Transformer VA question
  237. Transformer specifications for NAD t773?
  239. Simplest way for low-VA 220V->110V ?
  240. Function and Value for Resistor after Rectifier
  241. good YouTube Tutorials
  242. Huge voltage drop on PSU
  243. Extra turns on transformer secondary
  244. Rewind primary 100v/240v?
  245. Pioneer PD-F407 CD changer dead
  246. Adequate cooling
  247. do someone now this ic.
  248. Problem with Sugden Optima amp
  249. PC PSU for [in PC] Audio use
  250. Can't share power source with TLE2426

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