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  1. How to create +/- DC from a single transformer output without center tap?
  2. help me abou the calculation of half-bridge smps ?
  3. 13.8V 15A offline SMPS w/ PFC
  4. Selection of proper wire for Ferrite core
  5. Plitron transformer wiring?
  6. SMPS :noob: question
  7. Inrush current of toroidal transformers
  8. 24V AC power supply for MAX.
  9. Simple and safe NiMH charger?
  10. Transformers: How big is TO big??
  11. DIY Vintage VU Meter Bridge
  12. Reducing regulator noise.
  13. Improved version of 78xx?
  14. Switch Mode Power Supply
  15. Power supply for two LM1876
  16. Interesting failure in Apple PSU
  17. Simple 12V SMPS for small powered devices
  18. Need Help with + _ 90-100 volt regulated power supplies
  19. Converting 24Vdc or 18Vdc into +/-18Vdc? Possible?
  20. Summing 2 GFA-555 toroidals
  21. Separate PSU grounding
  22. repairing power supply
  23. Discovering Toroid Secondary Voltages
  24. SG3525 Eagle Library
  25. Hum help for newbie
  26. measuring the noise of a power supply
  27. Push-Pull SMPS overshoot problem
  28. 2600w Smps
  29. scope probe problems
  30. Best way to get 12v from 6.3....
  31. Negative voltage regulators...compromised?
  32. pcb layout
  33. PIC16f84 malfunctions
  34. Toughness of GZ34?
  35. Pulled Voltage Below 0?!
  36. 2000W Power Supply for my car audio.
  37. Schemo for a SPI 230G AT psu
  38. Toroids in N30 material
  39. Bleeder Resistors
  40. half bridge smps for chip amp voltage regulation question
  41. From 230V 3pin to 120V 2pin?
  42. Large Main Cap discharge?????
  43. Help with dual PS noise shunt?
  44. Different dielectric type.
  45. Transformer Load Regulation Problem..
  46. Trannies in parallel
  47. is it time to use power fets instead of relays?
  48. Virtual Battery Schematic
  49. UC3847 current mode control IC doubt on Vref
  50. Calculation for Snubber Value
  51. Value of Bootstrap capacitor for IR2111 & L6384 Half Bridge Driver
  52. Stress testing a car SMPS?
  53. Simple question, filter caps larger than spec
  54. Current Mode Control And Voltage Mode Control
  55. Eliminate influence of switching noise from light switch in to power supply
  56. Twisting Wires....which ones ?
  57. Yamaha PM 1000 power +44v???
  58. Multiple purpose dual regulated psu
  59. PFC inductor advice
  60. Smps SG3525 syncronization
  61. Tube PSU question
  62. Capacitance multiplier question
  63. Power supply question
  64. selecting ETD core for half bridge SMPS
  65. help with power supply
  66. LT1083 PCB or project files available?
  67. Zero Feedback Regulator
  68. Building inverter using ETD 59 ferrite cores
  69. complex polygon impedance calculating
  70. Super regulator concept question
  71. Lm317 Soa
  72. Does anyone in the US sell R-core transformers to the hobbyist?
  73. Step-Up SMPS Thread
  74. Variable Voltage Volume control
  75. GFA-555 transformer help
  76. transformer help
  77. help whith a low voltage dc/dc converter schematic
  78. Why is the choke backwards in the Kaneda preamp?
  79. Dual regulators for single rail?
  80. Remote power switch
  81. Huge AC ripple voltage - Help Please!
  82. Startling Claim
  83. Help with Induction heating for steam
  84. OK straight AC bad how about this? 8000kva
  85. 120vac straight from the wall rectified
  86. Single or dual bridge and why?
  87. Low Voltage High Power Supply
  88. Simple Super Shunt and Simple Super Shunt w/CCS vs. JSR03/05 (and other series regs)
  89. Clean 110V from 230V
  90. Transformer hum?
  91. UPS Power Filtering/Conversion
  92. Buliding chassis?
  93. Can I use a single primary 120V transformer with 240V?
  94. Dell Pinout
  95. Behringer MX9000 - odd power issue
  96. Salvaged transformer Measurments help!
  97. Reg and Pass V Potential Divider
  98. FET Switch Isolation using optocouplers instead of conventional gate drivers
  99. 1kW Boost
  100. 1W Boost
  101. Noise Killer, whats this? ATX
  102. Buck boost regulator
  103. Ground domain separation
  104. understanding star grounding
  105. Large terminal blocks for automotive SMPS?
  106. Ferrite noise - screech
  107. Standard LM317, can get 50V?
  108. Re: How to lower the output of this FET regulator
  109. Quick question about winding your own toroids for SMPS
  110. Dvd Psu
  111. Walt Jung on Power Supplies
  112. Looking for nice power supply designs
  113. PSUD 2 road guide
  114. design dc-dc converter
  115. UPS Transformer.
  116. Parallel bridges?
  117. Low Voltage Cutoff circuit needed
  118. Variable Pc Power Supply-2 (part1) 1..30v 0.15..6a
  119. SMPS Calculator
  120. 12V to +&- 30 to 35VDC SMPS Miniature
  121. Generic snubber values: fixed-/variable-voltage regs
  122. Tranny hookup...
  123. LCD SMPS help
  124. Neat (FLASH) Regulator Tutorial from ST
  125. How good is all FET power regulator?
  126. full bridge dc dc converter
  127. Smps-current-filter
  128. 12v dc to 19v dc and 110v ac
  129. P.S idea
  130. LM317 CCS - Any limitations?
  131. USMPS, classD-like-outputs-bridged version
  132. LM3X7 Supply
  133. Ir2153
  134. Power Inverter help
  135. Sony DAV-DX20
  136. UC3843 laptop DC converter problem
  137. Anybody used these ferrite cores ?
  138. Sorry a tad-bit off topic usb power source pinnout
  139. +-35v POWER SUPPLY
  140. 24V to -24V?
  141. PC PSU fan
  142. Rate my 12v to 19v converter please!
  143. LR8N3 Regulator -- Bypass the ADJ pin
  144. Overcurrent, overheat and overvoltage protection for TL494
  145. Resonant SMPS
  146. Regulated Heater test supply
  147. Question about this transformer secondary configuration
  148. PSUD2 Capacitor Resistance???
  149. Single supply RCA input Bias
  150. external psu for multiple Behringer DCX2496's
  151. Power Supply/Class D
  152. Is a 9v transformer large enough?
  153. A safe and elegant way for soft-start
  154. Is it possible to use the 12v line from 2 x ATX PC PSU's to get 24v?
  155. When to use softstart
  156. 12v -> 24v power supply
  157. 60hz Line filter for PSU
  158. connecting audio ground to Safety Earth
  159. Just a few newbie questions about rail voltage
  160. rewinding secondary on toroid
  161. Chipamp with crossover question
  162. smps problem (strange waveforms)
  163. SMPS questions
  164. Power Conditioning
  165. 12VDC-18VDC regulated voltage booster
  166. Unwinding a toroid?
  167. Lengthy Time Constants for PSU's
  168. TFT running off PC's PSU, noise?
  169. built a car amp, have an issue
  170. Pedalboard Power Supply
  171. Need help w/ efficient DC-DC switching converter
  172. basic question regarding voltage doubler
  173. winding a toroidal
  174. How to create a 3000 Ampere peak current ?
  175. using series 0D3's for a PSU
  176. DC Convertor?
  177. to convert a 12v dc car adapter to support 19 volts dc
  178. Anyone used the MIC29752 ?
  179. Noise filter for my amp? Please help
  180. winding the primary
  181. short circuit protection for computer SMPS
  182. need help with a power supply design
  183. my smps project help
  184. Power Supply Question
  185. Slaving a mains SMPS...why not
  186. too much capacitance in PSU???
  187. Parallal SMPS to get higher current
  188. help me with a half bridge smps(sg3525)
  189. Question about bifilar primary winding
  190. Behringer EuroDesk MX9000 mixer problem - Help!!!
  191. Linear regulator
  192. Switch Mode PS question (Chip Amp)
  193. Noise from TL494 Flyback supply
  194. Please rate this psu design
  195. SG3526 Offline SMPS schematic need please
  196. Simple BIG 12VDC supply ideas wanted
  197. help, unknown toroids
  198. Zener regulated power supply
  199. Offline halfbridge smps gate drive
  200. Preventing +6 Amp surge
  201. Power Supply Umbilical Question
  202. Digital zero-voltage SPS with PID contrlol and feed forward
  203. SMPS driver transformer details needed
  204. Need to power this massive system...
  205. .LAY pcb files
  206. SG3525 feedback with opto
  207. SMPS 35V 10A - please check shematic
  208. in wall speakers and amplifier specs
  209. Best point to join secondaries
  210. Multiple regulator question... regs in series...
  211. Taming mains voltage
  212. Equations,Calculations & Theory of FERRITE TRANSFORMER design
  213. Question regarding LM317 & 100kHz Fsw SMPS passing through
  214. PS voltage without load
  215. I need computer power supply Schematic using TL494
  216. Pfc + Ups = ???
  217. How do I tame screwy voltages on an Xformer
  218. My first 37000uf PSU
  219. Tweaking my discrete component buck converter
  220. voltage rating of sulzer
  221. Exceeding electrolytic cap rating
  222. AC autoranging detector circuit
  223. Comp SMPS capacitor question
  224. Why aren't there any Hi-Voltage SMPSU's ??
  225. Transformer - mystery VA
  226. dual transformer power supply
  227. PSU schematics
  228. using voltage drop to calculate current
  229. Can a toroid be reversed?
  230. Cheap 12V ultra low impedance supply.
  231. Vds oscillation
  232. Vds oscillation at low duty cycle
  233. useing 2 regulators for double voltage...is it possible??
  234. Transformer help
  235. "Surge Suppressor Diodes"...??
  236. Balanced-power transformer for U.S. 115-125VAC
  237. Stupid transformer question I should know but don't
  238. High Current Power Supply 12v, with zener on base
  239. 12v UPS relays Trigger, 1 ~ 11v no trigger
  240. Wiring PLitron 30VA, 2x30VAC
  241. Filter Cap Directly from Rail to Rail, excluding Center Tap
  242. Convert Dac from AC to Battery Power
  243. Help with phase/polarity of transformer
  244. Lossless Snubbered Flyback
  245. Battery powered PSU implementation
  246. DIY balanced power unit with dual 60v secondary transformer?
  247. Help needed: Mains stabilization from 3-phase
  248. car smps reconfiguration
  249. paralleling film caps with electrolytic caps
  250. 130VAC@40A to 130VAC-110VAC

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