View Full Version : Power Supplies

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  1. how to know transformer power rating
  2. Options for getting the proper voltage
  3. Ground not at 0V
  4. fully charged battery
  5. Power supply for DAC,
  6. forte f-45 power supply
  7. Power Supply for Tube Preamp
  8. Is this real? - simulation of parasitics
  9. hot amp
  10. 250V stabilizer ok?
  11. PSU for Gaincard - Questions
  12. Soft start
  13. LLC Converter maximum gap in core
  14. Efficient 12v to 5v step down converter without noise?
  15. Ripple/Motorboating help with Battery PSU
  16. Power Supply Voltage too High
  17. How to add a proper power meter to an amp?
  18. Where to find 120VAC to12VAC 2AMP POWER supply
  19. Why use a 1N4002 instead of a 1N4007
  20. Double C Core vs Single C Core
  21. Single supply vs. dual supply and noise, I can't find a proper solution
  22. TC Electronics G-Major Power supply failure
  23. Isolation transformer
  24. LT1963 - Pre Regulation
  25. Newbie needs help with small rechargeable battery selection (Thodio project)
  26. question about transformer current rating with a multitap secondary
  27. Identify this transformer...
  28. Please check this schematic.
  29. Lowering earth impedance--Earth spikes in Russ Andrews Book
  30. Building a power supply. Need some help
  31. Inrush protection of a PCB power transformer
  32. computer pci-e power and tri-path amps
  33. Mute Circuit Connections for My PSU
  34. 12vDC to 110vAC converter with 18v battery
  35. Quad secondary FW CT puzzle
  36. Grounding for dual mono PSU and digital PSU
  37. Can a PC power supply be stepped down.
  38. Separate supply for input/driver
  39. Toroid Rewind
  40. Taylor 1363 smps,help needed
  41. Accidentally Shorted Secondary Windings, Advice Needed
  42. Symmetrical power supply with two identical sources
  43. LM338 tracking preregulator and current limit
  44. Modding SMPS for audiophile performance
  45. Rechargeable Setup
  46. Dual Bridge problem
  47. New design with 1KV power transformer
  49. Low Noise/Ripple 24Vdc ±12 Psu (±100mA)
  50. Good Regulator for 7 - 8ma load
  51. Need PSU advice for 2x Class D amp modules
  52. Help for newbie - rechargable supply
  53. Transformer Ratings (for Simulation)
  54. 24 Volt operation Jung Regulator
  55. VA rating for an Iron Core transformer
  56. AC on DC wall warts
  57. Question About Transformer Voltage Output
  58. Must find replacement power transformer!
  59. Reducing voltage, diodes in series, dual PSU
  60. Need some help understanding
  61. Korg Sp-100 works with AC Power Supply but not with DC
  62. Isolated PSU with push-pull regulator
  65. Different Generations of Cree SiC Schottky Diodes
  66. Issue with a softstart module.
  67. Building a high voltage SMPS
  68. PSRR and Regulator Quality (Lm317 Vs Jung/Didden)
  69. Help troubleshoot a PS problem.
  70. Good power supply caps for my subwoofer Amp
  71. Wiring up two trafos to one IEC socket.
  72. HELP - DC45V to DC30V voltage regulator
  73. Need help with car amp PSU
  74. What value resistor(s)to use with capacitors in psu
  75. Honey Badger Power Supply
  76. Tube heater LM317 CCS vs Voltage mode?
  77. Sweet spot for power amp smoothing caps?
  78. positioning two transformer rings
  79. Stereo tri-amp supply - shared or separate?
  80. Transformers out of UPS systems
  81. Isolate or float ground on USB 5v power supply
  82. 1100W 450V Powersupply - Topology and Core
  83. Current Control Using TL494
  84. PSU capacitor - does age matter?
  85. Transformer overvoltage?
  86. What´s noise floor in audio amplifier?
  87. Re-do the PSU of my DVD-P
  88. Super regulator and cable length
  89. 12v to 5v iphone charger getting hot in my enclosure
  90. SMPS help
  91. SMPS question
  92. Noise in audio when charging USB
  93. The toroidal connection misty....
  95. SMPS - hissing noise from transformer
  96. IEC mains filters?
  97. Replace/remove onboard power supply components
  98. 12v power supply for tda8560
  99. Hybrid series regulator
  100. SMPS to Transformer PS
  101. Cap upgrade in full wave voltage doubler
  102. Ham Fest Find (Sorensen DCR60-30B2)
  103. Server power supplies, any good for audio?
  104. Series MOSFET regulator 400V, what the hell
  105. Back-to-Back Transformers Hot to the Touch with Modest Load
  106. Adding additional Capacitors in PS
  107. TubeCadJournal PS
  108. Using multi-SMPS's for a Lab supply. Is it feasable???
  109. detex audio smps xp-5000watts
  110. All I've got is a scope - how do I measure PS stability?
  111. best performing single package 6v regulator?
  112. +5V to +/- 12 V conversion
  113. line filter on secondary?
  114. Quick primary check pls (diagram)
  115. What power supply is this
  116. Inductor Test Rig
  117. Repurposing logitech x530
  118. REGA BRIO toroid transformer
  119. Running 2 class D amps from 1 SMPS
  120. Mosfet reg vs Mosfet shunt reg
  121. What is the advantage of a snubberized power supply
  122. Reversed adjust pin cap on LT1085 - damaged?
  123. which transformer to use for this regulated supply?
  124. Some brief questions on SMPS's filtering and grounding
  125. traces/placement psu board for class A amp
  126. Transformer specs?
  127. Two Transformer connect ground together
  128. Possible to reconfigure Toroidal Transformer?
  129. DC sub for AC voltage
  130. Volt-Ammeter
  131. smd CRC filter
  133. 3V lithium battery physics
  134. SMPS for Mixing Console
  135. LM329 LTSpice model needed
  136. Acurus L10 Powersupply
  137. What transformer is this?
  138. Transformer selection for CK260 CanaKit
  139. Laptop batteries?
  140. 7815 and 7915 output problems
  141. Center tap offset 12vac
  142. Measuring stray inductance of a transformer with two sec. windings?
  143. Q:Transformer tray inductance measurement
  144. Shared current Power Supply
  145. Switching power supplies vs transformer
  146. Multiple parallel caps in a PS is there a downside?
  147. Info on toroidal
  148. PSU noise - distance between blocks - cables length
  149. Tascam DM-24 P. S. Schematic
  150. Re-using 12V PC/Bench supplies with 30V TK2050
  151. Upgrading PSU in old audio amplifier...
  152. Dual pos. regulators after an SMPS
  153. Martin Logan Dynamo power supply
  154. Virtual ct on a trafo with no ct
  155. PWM-controlled dual PSU
  156. Mosfet regulated 400V PSU oscilation help
  157. Control Shutdown (enable) pin of LT1963A voltage regulator with Open collector
  158. Differential use of transformer secondary ?
  159. Polarity protect diode
  160. leader function generator
  161. +\-50v supply help
  162. Implementation of components
  163. TL431 Based CSS & Shunt Reg for +/-15V
  164. Electrolytic Capacitor Question
  165. 81V Regulated Power Supply for a Nytech CPA602
  166. Changing a 12VDC -> +/-35VDC SMPS to a 120VAC -> +/-35VDC SMPS
  167. Advice on Powering/Recharging a Mobile Stereo
  168. T splices in the PSU: that bad?
  169. Litz wire peeling techniques
  170. Simple discrete shunt bipolar supply for opamp
  171. Simple regulator sanity check?
  172. What shunt regulator should I build?
  173. Softstart delay
  174. Power Supply Mains Filter
  175. USES for OLD Rectifiers and SCRs
  176. base theory of self osc and sample circuit
  177. needed idiots guide to powering with batteries
  178. Transformer type identification help
  179. Crossover Bi-amping (12VDC), what to do?
  180. Power supply when mains voltage in unstable
  181. Question about Bobken regulator and current output
  182. Crude idea to modify PC ATX PSU for Tube Amp
  183. Can't Tell if Power Supply is Dual Rail
  184. improving Digi002r Power supply!
  185. Would this work (class d power supply)
  186. Uni SMPS
  187. Connected a transformer wrong, I think
  188. Can LM337L be Used in Preregulator Mode
  189. what shematic for switching power suplply
  190. Calculation formulas for c-core/double c-core transformer
  191. Transformer calculations for Jlh for quad esl amplifier
  192. Which Maida output scheme do you prefer?
  193. Variac set to "low" as soft-start for large transformer?
  194. Car battery as UPS backup
  195. MDA fuse for a glass fuse.
  196. AC converter vrom 220V/50Hz to 110V/60Hz for Krell HTS-5.1 or Sunfire Theatre Grand
  197. "Rewire" Amp Transformer from 120V to 230V
  198. Wiring a toroidal transformer!
  199. Lenard's Series Pass MOSFET Tube Regulator Qs
  200. Holden And Fisher Transformers
  201. Power supplies to fuel some wild projects
  202. My voltage doubler - is this works?
  203. "Special" power supply
  204. Smoothing Supply
  205. Smoothing Supply
  206. RN-20 Chinese transformer connecting to JHL Amp board
  207. http://www.selectronic.fr
  208. Question: Tube Regulated Power Supply
  209. basic power supply questions
  210. power on/off dc surge
  211. DIY Mains conditioning Power bar (Mains DC, and Mains voltage)
  212. Help with B+ 325 supply
  213. Just bought a TDA8950TH 2.1 digital Class D Amplifier Board 2*150W+250W (AM160)
  214. Tapping 12v from a NAP140 clone PCB board
  215. 15VAC Dual adjustable regulated PSU 5V-25VDC
  216. Monster HTS 3600 MKII
  217. R Core transformer noise
  218. Power supply for my Aikido mixer
  219. power supply subtitute for topping d20
  220. please advise MUCH better chip than 7815 for 15V
  221. Choke to be wound calculation assistance request
  222. Regulating battery to 9V
  223. 18V + 18V Power Adapter = +/- 18V Power Supply ?
  224. +/-12vdc, 5volt digital ground?
  225. Soft Start Collection
  226. varying filter cap values?
  227. Shunt Reg… need help
  228. How to make simple battery PS for phono preamp?
  229. BEHRINGER PMP4000 power source
  230. Amplifier Does Not power up
  231. Universal PSU Capacitor Group Buy
  232. transformer power for gainclone amp
  233. Capacitance Multiplier Power Supply
  234. Draw power from one of two batteries in series
  235. main bridge has diodes in series
  236. SMPS Mac Mini
  237. Thule DVD250B blows the fuse
  238. Hifg Voltage Rectifiers
  239. HV Linear Supply Design - Loop compensation advice needed!
  240. Help cleaning up ripple on 9v 6 chnl guitar pedal power supply
  241. Analog Metric Softstart Board
  242. please help,problem with my amp....the led indicator like a flip flop.
  243. Power for a 13.5V DC circuit
  244. Power supply, transformer
  245. Bypass capacitor placement
  246. Simple DIY Rectifier?
  247. I need schematic for a 2x9v battery charger
  248. 100v dc from 150?
  249. So nothing is wrong?
  250. Power supply query

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