View Full Version : Power Supplies

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  1. Many cheap caps in parallel vs. one expensive "big name"?
  2. Identifying an output transformer. HELP!
  3. Is my power transformer faulty?
  4. Tube Preamp/ Repaired SS PS/PIO Mods/Noise
  5. MERIT P2859 power transformer
  6. PCB track
  7. BD911 got blown in my power supply
  8. Switch mode in powered mixer.
  9. Ripple
  10. Secondaries in series - CT?
  11. Dumb Rectifier Question
  12. Iron Core Transformer Formula
  13. NAD 502 230V conversion
  14. Charging Lithium Batteries
  15. Power supply with forced symmetry
  16. Ground pplane
  17. Probing interest in My inrush limiting design
  18. Question about clamping diode...
  19. 12v to 5v
  20. Isolate SMPS from input signals
  21. Kurzweil SP2X 20Khz sine output, Shutting down
  22. Modified power supply, blown fuses
  23. F1J - Able to identify?
  24. MG15DFX Conversion
  25. Pioneer amplifier voltage selector
  26. HELP, Denon transformer
  27. Iso trans and ac mains filtering advice please
  28. Jaycar Altronics SC-480 Power Supply
  29. Topaz Iso Trannie Was Running Hot
  30. Converting AC amp to DC...
  31. 25 Khz oscillato
  32. advice needed for changing PSU voltage
  33. On/Off switch using momentary push button
  34. Nakamichi OMS-5 CD player power supply needed
  35. Questions concerning ac power and noise.
  36. 6.3vdc form 6.3v ac PSU
  37. Why is DC out less than AC in?
  38. Voltage Doubler ?????
  39. Nichicon Gold Tune Terminal Wiring
  40. Linear or switching power supply in Sound Process
  41. Simple Low Noise Voltage Regulator?
  42. 5V power supply question
  43. Audiotek Cutie mini regulator
  44. Edcor power transformer rating
  45. Best electrolytics for power supply
  46. Need help please
  47. 230/115 transformer windings is phase important?
  48. Do domestic Kwh meters (ordinary electric meters) record reactive power.
  49. Upgrade my power supply
  50. pcb safety spacing
  51. Resistor 4R7 / W5
  52. Book is wrong about power stage transfer function for SMPS?
  53. Improving stability and transient response?
  54. Transformer center tap confusion and requirements
  55. MAX5035
  56. info on dynaco st-70 ps choke
  57. PFC-Boost+ BUCK Regulator Combo Controller
  58. SMPS for Class D amps means not possible?
  59. 1st Audio power supply(need help)
  60. Gain of Modulator/Power stage in Half Bridge?
  61. Need advice on replacing power supply caps
  62. Best way to create a dual supply
  63. Obtaining Bode plots for SMPS feedback loop
  64. winding a torroid ??
  65. Filter Cap Voltage Rating
  66. l7915c regulator has 18v output???
  67. Simple HV series regulators
  68. 140V miniature power supply
  69. +/- 15v AC required for balancing converter board
  70. Balanced power feedback experience needed
  71. duel toroidal transformer on mains
  72. paralling four 6A4 Diodes in Bridge
  73. 2000uf x 10 vs 10000uf
  74. PC PSU running a LM1876 on Soundcard
  75. bridge rectifier configuration on secondaries
  76. toroid question
  77. Want To Know What Voltage To Apply.
  78. Tube rectification for DAC SS analogue
  79. Transformer recommendation
  80. Question about V & A in power supply
  81. Meanwell SCN-800 Parallel operation?
  82. SMPS with Microcontroller
  83. Linear Power Supply Text Book
  84. How to determine primary & secondary of a transformer
  85. Wiring an Antek Transformer
  86. Dual secondaries with one bridge
  87. A Quick Question About Ground....
  88. Plus and minus regulated supply
  89. SMPS Blown When Connected to Mains
  90. Cheap high quality filtering?
  91. Amplifier Power supply not working
  92. Ferrite toroidal transformer
  93. Help needed! Connecting PSU caps in // when they are in a block arrangement
  94. Single capacitor for both rails.
  95. 2x1000 W SMPS for audio
  96. Help with Super Cascode Power Supply
  97. need a schematic for 12v dc - 300 dc inverter
  98. Toroidal question
  99. Any one want transfo from Onkyo A-807?
  100. Best Way to Suppress TX AC Secondary Noise??
  101. Amplifier transformer input current on the primary (FBR and Caps)
  102. Testing electrolytics
  103. where can i find this capacitor?
  104. Regulator spec sheets
  105. Help with a Power Supply for Thorens TD146
  106. rockford fosgate t2000-1bd blown power supply mosfets
  107. +/- 60 to +/-20 VDC
  108. PWM input voltage compensation
  109. Round Potted Chokes directions
  110. Popping sound from turning off a power strip
  111. Tv power transformers for audio use?
  112. Ripple current in input capacitor too high?
  113. 6992 Pre Amp PSU, whats wrong here?
  114. No frills, cheap 'n crude HV shunt-reg/hum-killer
  115. Noobie dual secondary question
  116. Center tap toroidal transformer
  117. Resonance of LC output stage of Full-bridge?
  118. Inrush current limiter and choosing a correct relay
  119. Torodial transformer - help with secondary windings
  120. Toroid Toroidal Power Transformer Installation
  121. Simple PSU question .....
  122. PSB SubSonic 5i problems- no go
  123. Help powering electret
  124. 36volt 6amp power supply for LED
  125. Help with choosing a transformer?
  126. HV shunt regulator
  127. Dumb question time - tapped choke
  128. Where is it best to send the rectified DC
  129. universal smps ....without pfc fron end
  130. using a transformer in reverse ??
  131. Somebody help me understand the principles behind this DC blocker?
  132. High power buck converter 36v output for electric vehicle.
  133. Toroidal Transformer hook up.
  134. Simplest regulator for 1500v?
  135. Beginner regulated buck converter, 20-30v in, 13.8v out
  136. IXFH32N50
  137. Quad Rail ATX Power Supply
  138. This project SMPS in English
  139. Preamplifier Power Supply Rail Capacitance, How Much? - DH-101 vs DH-110
  140. Cross-regulation vs transient response ..?
  141. SMPS a converter - help!
  142. Power Supply Bypass Cap?
  143. Current mode and coupled output inductor?
  144. Doing slope compensation with MC34025 full bridge
  145. The schematic for 100W Hi-Fi amplifier
  146. SMPS for Audio with DSP Class D
  147. 100V rated caps @ 35V
  148. Jan's quizz in the February Newsletter
  149. Amp PSU Pops
  150. can i use this rectifier? help thanks
  151. Radiated Emission Tests
  152. floating power supply designs
  153. 230 50hz-120v 60hz
  154. Please clarify power calculation
  155. applying smps to a preamp with rectified power supply
  156. Possible to charge 24 V Battery with 10 Ampere SMPS ?
  157. Switching Power Supply Eagle File
  158. Janus regulator troubleshooting
  159. Power Transformer Issue
  160. need help picking torroid
  161. Bulgin AC power switch
  162. LM723 Voltage regulator
  163. Question: Dc on the Mains from three phase?
  164. Using a 24v SMPS for a 12v board?
  165. Best Capacitor for Bridge Diode Snubber?
  166. Efficiency of 1000W flyback
  167. SMPS from Connexelectric?
  168. SMPS Question
  169. Quality SMSP with 2x35V/2x5A !
  170. Current density in smps transformer windings
  171. Gigaworks regulated PS
  172. Power supply positive-negative-ground from a single power supply
  173. hypex softstart for high power PSU
  174. SMPS noisy and overheating
  175. Comments on National Semiconductor Power Supply Design??
  176. Main Filter Caps/Bypass formula?
  177. Transformer winding -101
  178. A question about LM7812 (Regulator)
  179. Gigrac 1000st Power Supply
  180. Full Bridge SMPS is cheaper than Half-Bridge?
  181. LME49811 as a guitar amp.
  182. Extra leads from transformer, et al.
  183. Suggest a board - 18vac to 12vdc
  184. Onkyo amp expert help needed.. or really anyone that can diagnose a problem
  185. Voltage remains constant, right?
  186. First PSU, got a question
  187. How to measure transformer output
  188. High capacitance vs load on Bridge rectifiers
  190. Regulation of +/-50V SMPS for Class D?
  191. SMPS 100V 1A with PFC Help Needed
  192. SMPS Output Inductor Design
  193. A little sourcing help
  194. Ferrite transformer SMPS-help!
  195. My first Jung regulator: help needed
  196. PFC EVM as 390V + 6.3V tube supply
  197. Power flow to Class D guitar amplifier
  198. ILP traffo info needed
  199. How to measure reverse recovery of HFA08TB60....
  200. Musical Fidelity P-140X PowerAmp without Transformer, need help!
  201. Completed my 450W SMps with Active pfc
  202. Connex A1000SMPS
  203. Project for the SMPS 350W!
  204. Two amps on one transformer?
  205. Transformer Selection
  206. AC Voltage on ungrounded SMPS output
  207. Carver CT-Seven transformer
  208. EMI Suppressing Capacitors
  209. Audio SMPS with PFC is overengineered?
  210. Power supply project
  211. Tying it all together - Low Noise Internal System Grounding
  212. Lowering power supply noise - looking for ideas
  213. LTC4365 protection IC
  214. SPower 78xx replacement
  215. Class D SMPS...with coupled inductor output?
  216. How do power leads make a difference to sound?
  217. Mains rectifier currents into SMPS
  218. Amp toroidal transformer
  219. BUF634 as power source for Bugle?
  220. Listening directly to DC Power Supplies
  221. reading an electrolytic capacitor can
  222. Linear PS with no ground pin
  223. Other type of transistor use for audio (amplification or power safety system)?
  224. Soft starting, Shutoff OR current limiter circuit
  225. DNM T-network cap in conventional power supply??
  226. 12V(fixed) with 3 Amp current
  227. The BoomCase By Mr. SiMo
  228. 230V<->100V converter???
  229. Great 12V regulator chip for car...I think
  230. How old electrolytic capacitors can safely be used?
  231. 15v to 3v question
  232. Is a power conditioner worth it?
  233. A switch for 2 power source for a single amp
  234. Head Amp PS
  235. Sweet folly: a tube SMPS
  236. protection circuit for TL494 Based smps
  237. Digital audio and seperate power supplies
  238. Please . . . advice on filter caps
  239. Building a simple "soft start" speaker protection circuit
  240. Removing noise from power grid
  241. 6V -> 5V ?
  242. Problem with B&O ASP1000!
  243. Ceramic capacitor non-linearity
  244. Switch mode power supply w/ Voltage divider
  245. Onkyo CR-305TX PSU FAult
  246. transformer rewinding
  247. Power Switch 'pop's frequency?
  248. Switcher EMC design
  249. Class D amp Regulated power supply??
  250. choosing transformer VA rating

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