View Full Version : Power Supplies

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