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  1. help, unknown toroids
  2. Zener regulated power supply
  3. Offline halfbridge smps gate drive
  4. Preventing +6 Amp surge
  5. Power Supply Umbilical Question
  6. Digital zero-voltage SPS with PID contrlol and feed forward
  7. SMPS driver transformer details needed
  8. Need to power this massive system...
  9. .LAY pcb files
  10. SG3525 feedback with opto
  11. SMPS 35V 10A - please check shematic
  12. in wall speakers and amplifier specs
  13. Best point to join secondaries
  14. Multiple regulator question... regs in series...
  15. Taming mains voltage
  16. Equations,Calculations & Theory of FERRITE TRANSFORMER design
  17. Question regarding LM317 & 100kHz Fsw SMPS passing through
  18. PS voltage without load
  19. I need computer power supply Schematic using TL494
  20. Pfc + Ups = ???
  21. How do I tame screwy voltages on an Xformer
  22. My first 37000uf PSU
  23. Tweaking my discrete component buck converter
  24. voltage rating of sulzer
  25. Exceeding electrolytic cap rating
  26. AC autoranging detector circuit
  27. Comp SMPS capacitor question
  28. Why aren't there any Hi-Voltage SMPSU's ??
  29. Transformer - mystery VA
  30. dual transformer power supply
  31. PSU schematics
  32. using voltage drop to calculate current
  33. Can a toroid be reversed?
  34. Cheap 12V ultra low impedance supply.
  35. Vds oscillation
  36. Vds oscillation at low duty cycle
  37. useing 2 regulators for double voltage...is it possible??
  38. Transformer help
  39. "Surge Suppressor Diodes"...??
  40. Balanced-power transformer for U.S. 115-125VAC
  41. Stupid transformer question I should know but don't
  42. High Current Power Supply 12v, with zener on base
  43. 12v UPS relays Trigger, 1 ~ 11v no trigger
  44. Wiring PLitron 30VA, 2x30VAC
  45. Filter Cap Directly from Rail to Rail, excluding Center Tap
  46. Convert Dac from AC to Battery Power
  47. Help with phase/polarity of transformer
  48. Lossless Snubbered Flyback
  49. Battery powered PSU implementation
  50. DIY balanced power unit with dual 60v secondary transformer?
  51. Help needed: Mains stabilization from 3-phase
  52. car smps reconfiguration
  53. paralleling film caps with electrolytic caps
  54. 130VAC@40A to 130VAC-110VAC
  55. Wiring and grounding options
  56. TL494 transformer less ps for tube amp
  57. 12KWatts PIC16F84/ADC0831 Power Inverter
  58. TL494 current control
  59. Improving a Boss CE-1 Power Supply?
  60. Easy (well not for me) Transformer Question
  61. Power load, dummy load (pic)
  62. Constant current source, am I missing anything...
  63. Should I keep these capacitors on my IEC socket?
  64. fuses for smps current protection
  65. Using Remote Sense Leads
  66. Reducing voltage of TL494 based supply?
  67. Vreg identification
  68. transformer specs
  69. Variable output SMPS
  70. Power Supply??? 12v to 20/24v? Regulated?
  71. Low Voltage (+70V) Power Supply Design
  72. Isolated voltage feedback for SMPS
  73. feedback on this tip2955/lm317 supply
  74. 12V CT push-pull series secondaries
  75. ML #23 shuts itself off after 5 seconds.
  76. Dual supply for LM1875 split supply
  77. Filtering alternator noise
  78. using a choke on a negative supply
  79. Tricky op-amp based VR problem
  80. 70V 5A symmetrical PSU HELP :D
  81. 20khz PWM @2kA, 24V
  82. 14V@ 20 Amps PSU: Smoked PCB after successful testing
  83. Need help understanding TL431
  84. A. Weekes modified Jung regulator
  85. Discrete voltage reg for SLA
  86. Help me please ......
  87. Carver Knight Shadow Power Supply
  88. Need a NTE38 sub.
  89. SMPS & SS amp
  90. cascading power supplies
  91. LM2575 for flyback?
  92. psu protection diodes - specified volatge
  93. SMPS, flyback, or vibrator - how to get 280v off of some batteries?
  94. Need help with preamp PS
  95. shunt line filter help
  96. aux. ps for laptop using SLA
  97. Help with PSU for Tri-Amp System
  98. in a CLC input supply: is it safe to use...
  99. PSU for HP 103AR Quartz Oscillator ??
  100. Favorite Threads and Posts in "Power Supplies"
  101. help with inrush limited circuit from EDN
  102. IGBT X MOSFET in SMPS DESIGN
  103. high voltage power supply
  104. Calculating Bmax and primary turns etc...
  105. sg3525 smps signal pictures
  106. DC Blocking Filter for Mains
  107. Parallel-ing Switching Power Supplies
  108. SMPS For Valve amplifiers??
  109. Please help! Isolation/balanced power question.
  110. Advice for transformer selection.
  111. Damping circuit across secondary?
  112. Power interference on DCX2496
  113. Balanced Power...
  114. ac line filter (emi/rfi) needed for linear psu ?
  115. One big transformer or several small ones. Which is better?
  116. Check my PSU design and LTspice sim
  117. H-BRIDGE , HIGH SIDE direct coupled PNP-NPN transistor driver
  118. transformer for SMPS
  119. Wiring a Step Down Transformer for Isolation
  120. 14vdc to 200vdc
  121. Unloaded LM317/337 behaviour
  122. harmer+simmons sm600
  123. Protecting a power switch from arcs
  124. filterless Peltier PWM
  125. transformer wiring
  126. transformer question (dual secs same as centre tap)
  127. rectifier diode in series with AC heating element to save energy?
  128. Exploding 7915
  129. mains regeneration
  130. A Few PSU Questions???
  131. Delay matching in IR2xxx low and high side gate drivers
  132. Browns book errors
  133. Fluke 407D Power Supply
  134. Continous Mode High Side Switch
  135. Toroidal specifications Ac Ae
  136. Floating ground power supply
  137. Magnetic shielding
  138. buck regulator
  139. High And Low Side Phototransistor Opto Mosfet Driver
  140. Question about autotransformer ( 230V to 115V )
  141. SG3525 for driving ferrite itself?
  142. power trannie
  143. High(er)-voltage, low noise v-reg?
  144. PFC question
  145. Power Supply Design
  146. LM317/LM337 accuracy
  147. PA amplifier design
  148. Dedicated PSU for DEQ/DCX2496
  149. DC/DC 12V-15V inducterless Transformer Circuit needed
  150. 12V push pull PSU. Need help.
  151. 1000w out offline flyback
  152. Supply for dual mono pre-amp
  153. Low ESR caps in SMPS
  154. Class AB Power Supply Design
  155. Linear PS help
  156. Help a dummy, save a life. PSU recycling...
  157. How can I resolve this problem ?
  158. Cases of spoiled LM338?
  159. Power Transformer for MF NuVista CD Player
  160. Image/Photo
  161. Are electrolytics evil?
  162. transformerless PSU with regulators
  163. Problems with LM78XX regulators???
  164. lowering caps ESR
  165. AC to DC circuit design
  166. tranformer wiring problem
  167. StepUp dcdc smps (car amp)
  168. Variable Pc PowerSupply (modification)
  169. 3 terminal regulator with 3 terminal shunt reference
  170. Terminals for 12V DC/DC input
  171. Building a PSU for an external firewire soundcard
  172. MOSFET driving with transformer
  173. Jung/ALW reg issues.
  174. Battery PS: Virtual ground or single supply?
  175. Easy PSU question - help me make this 12v DC power supply better.
  176. Power Supply For Pre/ Head Phone & Phantom... (PCB)
  177. What's really going on in that TL431
  178. LM350 Based Variable PSU Problem
  179. Question about PSU in seperate chassis
  180. Drivng a IGBT module
  181. HELP !!! My regulators are oscillating
  182. Question about caps on transformer primary
  183. Battery Vs conventional PSU
  184. what is the percentage of current across Ground ?
  185. LM338 current Regulator allowing modulation
  186. Super shunt regulator: dedicated plans?
  187. Equation for LM317 and LM337 +-15v
  188. Krell preamps voltage regulators
  189. linear pc power supply?
  190. Noob Transformer Question
  191. preamp supply w/ 48v power
  192. Are these caps safe?
  193. Charging batteries with a variable power supply
  194. Charging batteries with a variable power supply
  195. Battery-Powering a Trent TA-10 & a Citypulse DA2.03e
  196. Nuuk's Gainclone buffer PSU
  197. line filter design.
  198. Linear regulator for power amp
  199. Noob Question Re: Transformer
  200. Laptop battery power supply for extended life
  201. Gainclone Power Supply
  202. Switching power supply and preamp.
  203. Dual battery PSU with low voltage changeover
  204. Average-CMC smps, what about this one?
  205. Thoughts on this datasheet PSU ? LH0041
  206. SG3525 problem
  207. 12V DC/DC for amplifier. Current limiting?
  208. DIY Benchtop PSU
  209. 220V Voltage Stabilizer for home theter
  210. SG3525 loop
  211. where to connect + wire for Vout?
  212. What cable for outboard supply ? (pics)
  213. SG3525 for Inverter
  214. Thyristor based power supply for Gailcone
  215. Regulated or NonRegulated PSU.
  216. PCB: LM338 Regulated Snubberized PSU
  217. variable power supply for refrigeration compressor
  218. Selecting coupling cap for half-bridge offline SMPS
  219. PS for phono stage
  220. PSU with Multiple 7805 //
  221. MOSFET retrofit in switching power supply...
  222. 2 secondaries ,2 rectifiers and 2 regs, - rectifier overheats
  223. New to Circut design:help!
  224. How to build a +/- 60VDC high amp power supply
  225. Solid State power amp supply
  226. Building a +/15V +/-8V DAC PS
  227. SMPS for class A amps?
  228. Why MUR860? Why not bridge module?
  229. SG3525 as square wave generator?
  230. Using single CT supply with LM3886
  231. where to buy ferrites
  232. Dc Power For Crossovers
  233. At Pc Power Supply Conversion??.
  234. SG3525 problem
  235. Power supply for LM3886
  236. What are SMPS supplies?(Feeling ignorant)
  237. Can you help me choose capacitors for my amplifier's power supply?
  238. Help: MAX629 DC-DC converter
  239. SMPS questions
  240. transformer VA and supply voltage?
  241. Connect PWM to IR2112 to MOSFET
  242. improvements to this design
  243. soft start needed?
  244. CRC Power Supply design, help me understand it
  245. Power Supply and Pfc Photo Gallery
  246. My SMPS schema
  247. Opamp power supply, super regulator alternatives?
  248. input capacitor ripple current rating for push-pull
  249. Microphone power supply
  250. Need dual swithcing power supply design

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