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  1. repurpose wall wart a good idea?
  2. PSU 0.1u + 1u capacitors choice
  3. 100w preamp power supply design
  4. Need high quality 12-14.4v power supply
  5. Please recommend a power supply
  6. Lab supply repair help
  7. Your opinion about this power supply?
  8. Anyone using commercial EMI-Filters in his PSU ?
  9. Rhodes Janus 1 Rectifier
  10. Velleman K4700 with +-60V ?
  11. 250W Adjustable SMPS Review Please!
  12. simple SMPS
  13. SMPS need more power
  14. Single transistor / blocking oscillator supply
  15. safest way to identify primary/secondary?
  16. High voltage hookup wire
  17. Transformer Location
  18. Which thread does this image belong to ?
  19. Why so little use of SMPS in commercial amps?
  20. denon avr 1804
  21. Car battery charger
  22. High voltage SMPS
  23. SMPS power supplies - are they really usable?
  24. SMPS transformer windings shorting
  25. 12-14.4v to regulated 12v & 5v
  26. Looking for O'scope Trace Interpretation Tutorial
  27. LM1875, size of EL-Transformer required
  28. Good way to regulate +/-50v down to 42v?
  29. How to tell whether this capacitor is working?
  30. AC regeneration
  31. Unregulated Tube PSU parameters
  32. 78xx pin compatible OpAmp-based MOSFET series regulator
  33. Blocking Mains DC
  34. The simplistic Salas low voltage shunt regulator vs. LD1085/LM317
  35. Fuses and mosfets blowng up
  36. Duel Rectifier Issue
  37. Multiple client PSU
  38. Possible to modify PS for Teac receiver from 110V to 220V?
  39. Where to buy ferrite cores?
  40. Split SMPS
  41. 2 x 60v and 2 x 12 smps
  42. Combining Transformers
  43. Current Draw
  44. Electronic Transformers
  45. Leaking power supply channel
  46. Reterminating wall wart
  47. inrush current limiters
  48. CLC PSU for SymAsym
  49. Power supply output connections?
  50. Which filter caps for a PSU?
  51. Build a psu
  52. Can a soft-starter affect transformer magnetisation?
  53. PSU for Gainclone, regulated with center-tap
  54. Toroidal transformer overheating?
  55. Problem with SMPS !!!
  56. Low voltage dual supply from old computer PSU
  57. Mains voltage regulation
  58. Scope Selection
  59. Erno's All FET Shunt Regulator
  60. Safety Question about Capacitors
  61. Passive cooling PSU mod
  62. My transformer
  63. Crown Studio Reference I: beefing up the power supply
  64. Grounding for multiple transformers
  65. Power Supply Help for 9 X Hypex UcD180
  66. Q: PCB traces both sides ok?
  67. Trafo with unknown power rating
  68. New site
  69. Power Supply for Car Amp in House
  70. Digital benchtop power supply design
  71. Zapfilter Mk2 PSU question
  72. Can someone pick me a transformer? (TDA2050)
  73. 18VAC transformer, what to do with it?
  74. Rail Voltage Question - 0.4v Difference
  75. +-114V 1.8KW SMPS Schematic
  76. SMPS calculations
  77. 4 Transformers?
  78. Mosfet Gyrator using the IRF840
  79. [help] Full Wave rectification for VCA control voltage
  80. let's talk Half Bridge Flux Walking
  81. 36v to 400v boost converter
  82. Help with current limiting device
  83. SMPS EMI Stage
  84. Litz Wire Selection
  85. Any assistance in using XBOX 360 PS?
  86. Output LC filter help
  87. Minebea 500W SMP on Ebay
  88. 100 volt 10 ampere dv voltage regulator for split supply
  89. Differences between single-section and two-section filters
  90. Building minimal PSU for LM1875 gainclone
  91. SMPS Formula
  92. 9 volt overly complex(I think) power supply
  93. high voltage feedback
  94. Transformer primer
  95. PC board for LM317/337 regulator
  96. help designing regulated PS 13v8@50A w/ IRFZ44
  97. No center tap Help
  98. Transfer Loop Measurement of the power supply
  99. Need info on CL-100 inrush current limiter
  100. 12v Vibrator Test
  101. Mains conditioner
  102. I need a big current regulator.
  103. Don't discard your "dead" Laptop battery pack
  104. Parallel connected power supplies (Hypex UcD Supply ST)
  105. Crest 8002 Pro Amp power supply schematic needed!
  106. Crystal OSC
  107. STRF6656f PCB
  108. capacitorless or shunt PS in PP output stage?
  109. Mains frequency change
  110. Reverse Protection -- PSU in series
  111. Commercial 17/37XX and 78/79XX replacement miniregs. Which are the best?
  112. Testing N-Channel
  113. pre regulator problem in Adcom 565 mod
  114. choke positioning in CLC supply
  115. Tube mic Power supply
  116. Reducing fan speed
  117. Total Newb cops a design
  118. buz103Al or IRFZ46N for smps car audio
  119. Help in this PS pcb
  120. Please help to understand this article on PSUs
  121. compensation modelling
  122. Class D: power supply regulated or not?
  123. Li-ion BATTERY,, 3.7V,1400mAh
  124. 9v. 350ma.dc. class2 ac-dc wall adapter question
  125. 375 VDC circuit
  126. Power supply voltage limiter
  127. Quieting a Switching PSU? or easier to replace it with a linear PSU?
  128. SMPS Fault
  129. An even lower noise measurement technique
  130. Split +/-12V Phono preamp Power Supply
  131. Morbid Curiosity?
  132. Power Supply
  133. My take on a discrete shunt voltage regulator
  134. Electronic 12V transformer (high frequency) to 12VDC
  135. Tube scope supply board
  136. Need info for Kenwood power transformer MU8604H1
  137. Exodus RFI/DC filter
  138. CCS in Placid-BP Bipolar Shunt Regulated Power Supply
  139. What is evil about switching PS?
  140. Toroidal fusr ratings.
  141. N00b power supply questions
  142. high current inductors from copper tubing?
  143. Using the HYPNOTIZE as a general shunt reg PCB
  144. Pi filters for simple supplies
  145. Adjustable Regulated B+ power supply question
  146. Switch mode PSU
  147. Custom-wound flybacks
  148. Help me mod simple zener regulator
  149. transformer trix
  150. Are there boost converters that can supply this much amperage?
  151. 38-0-38 smps
  152. Advice about this choke
  153. Device power rating for push pull
  154. regulated negative 25v 4amp PS
  155. Power Supply Safety
  156. Testing caps?
  157. Cheapo Battery Management System
  158. Y2 capacitors for mains isolation
  159. transformer primary wires - identification
  160. Strange transformer hum
  161. Honey, I blew up the Super Regulator
  162. TI TL780 series, the "improved" 78xx?
  163. Clamp dissipation problem TOPswitch-GX
  164. Direct main supply dangerous. Pls explain before flaming
  165. PSUD Capacitor Value and Ripple Tuning
  166. Another Jung (ALW) Supereg built – It sounds excellent
  167. 3525 PWM - soft start quastion ?
  168. Transformer confusion...
  169. Power Supply for a Beresford TC-7510?
  170. Help Yamaha B2 P/S
  171. Still trying to understand transformers
  172. Advice for newbie
  173. Harman Kardon tube Power Transformer ID
  174. Driving bipolar transistors
  175. large capacitors-inruish current
  176. Question related to voltage drop
  177. Help understanding bypass caps
  178. Using 230v Transformer with 120v Mains
  179. Anyone know what specs on this baby? (toroidal)
  180. Variable output voltage SMPS - 450V
  181. Sigma11 to power a PicoPSU 60W ... heatsink help needed
  182. JLTi phono preamp - upgraded power supply?
  183. transformer location ?
  184. R-core transformers poor choice for amp PSUs?
  185. How to reduce battery PS Noise
  186. Duncan's amp Mosfet Regulator
  187. Using a zener diode as voltage reference with variable voltage regulators
  188. Funny traffo specs
  189. Help with Transformer Values
  190. Dual power supply,switching model.
  191. Asking for choke value or calculation for CLC filter
  192. Hvps
  193. Need Help In making power supply! :(
  194. DC-AC inverter using function generator + Mosfet + Transformer
  195. Help needed to identify a boost regulator chip.
  196. Caps in series/parallel
  197. Autoformer vs Transformer Rating
  198. Where in the USA do you get toroidal transformers for power amps?
  199. Defeating ripple voltage in pre-amps
  200. 78xx + FAT capacitors = ripple elimination??
  201. F1 toroid help
  202. LiPO battery charging
  203. Any Help appreciated
  204. Unregulated PSU Questions
  205. basic bridge rectifier question.. ac on output
  206. Help for repair or rebuild power supply from bass amp.
  207. ±50V SMPS for Quasar Amps (& others)
  208. Trying to fix an SMPS in a plasma TV, off topic a bit, but perhaps someone help.
  209. PFC - Choosing the right inductor, switch, and diode
  210. 220V primaries for Pioneer SX650?
  211. How Calculate inductors ?
  212. Noisy transformer
  213. Does resonance at 1M Hertz matter for audio?
  214. One big cap or many
  215. Toroidal transformers mounting
  216. yes, another jung regulator, i know
  217. Please Help Toroid Question for F1
  218. Isues with 1kw SMPS at 125khz
  219. Laptop brick PS for 1875/6 gainclone?
  220. Thyristor bridge rectifier
  221. Quality Toroids in Germany
  222. using meanwell SMPS S-350 as power amp PSU?
  223. Simple voltage regulator get crazy... and so am I
  224. bridge rectifier pcb
  225. quick question about 240 to 220 volts transformer.
  226. PSU connectors
  227. Voltage conversion, 12v-48v
  228. Voltage Divider question - 6 from 12 Volts
  229. hi cap or variant psu
  230. Need help converting transformer
  231. Troubleshoot Xantrex Xpower 1500 Inverter
  232. 317 CCS on 60Vdc
  233. Help with Avel Lindberg transformer problem
  234. Blown PSU in a Tek T935A scope
  235. PFC voltage spikes
  236. Mains to 15VDC/20mA non isolated
  237. Voltage spikes under load
  238. Total newbie post - trying to replace ext. PS on vintage Mark Levinson ML-1 preamp
  239. Symmetric PSUs and negative voltage regs
  240. usability of an old transformer
  241. IGBTs exploding
  242. Using Self-Driven Synchronous Rectification in SMPS
  243. SMPS 2KW full bridge strange signal
  244. Small PSUs breaking all the time
  245. Combining two positive regulated suppiles for obtaining a a dual one
  246. High powered SMPS design
  247. Circuit Sanity Check: +15V, -15V, +9V Power Supply
  248. Toroids on ebay - $25
  249. Small Power Regulated Power Supply
  250. multi cell battery charge limit circuit ideas