View Full Version : Power Supplies

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

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