View Full Version : Power Supplies

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  1. The poor man SMPS
  2. Current Transformer: New Idea
  3. capacitor value
  4. Where to buy step-down toroidal transformer with electrostatic shield?
  5. Help need with PS for Idiot
  6. Amp needed for speakers
  7. External power supply / dangerous voltage?
  8. Placing regulator chip close to amplifier
  9. [Newbie] IP317T +1A 18V transformer - How much power?
  10. Externally programmed and adjustable regulated outboard amp power supply
  11. Buck converter using TL494?
  12. Using SMPS
  13. Need to clean up power...
  14. Design choices 12>>40V 100W ETD29 SMPS
  15. Will this work with regulators?
  16. 500W or more
  17. simple ic for 0-100% duty cycle PWM
  18. Push-pull SMPS (12V to +-25V) question
  19. Power supply For TDA2030A
  20. SMPS design for a car amp....not sure which topology to go with
  21. Help for Full Bridge 800W quasi resonant SPM
  22. Just a nice video ...
  23. Two Transformer Balanced Power Unit
  24. Wire Kit for Battery
  25. Modifying Powersupply
  26. How easy is it to replace a transformer in a linear power supply?
  27. Wire DC Power Jack for 9V Battery
  28. choke loaded power supply
  29. Light Bulb Tester
  30. toroidal transformers help
  31. orion 2100 HCCA amplifier
  32. Does this two circuit have the same output?
  33. Toroidal hum/buzz. Modifyed Venus PS-400A
  34. Confusion about star grounding?
  35. Automotive input magamp PSU
  36. Synchronous Rectification
  37. Power supply problem
  38. Connecting 2 bridge rectrifier
  39. half-bridge to full-bridge
  40. Isolated PFC Topology choice, 800W.
  41. Transform computer supply into 400V supply for tubes
  42. Possible to rewire this PSU from 220V to 110V?
  43. Newbie question about transformer?
  44. Solid state rectifier for SE guitar amp (Vox AC4)
  45. Problem with dual tracking power supply
  46. mAh Testing... finding out...
  47. PWM controllers with built in FETs?
  48. the 1.25v of lm317
  49. Use of dual transformer for mono amp
  50. +/- 12v dc PSU Required
  51. 15v Halogen switched mode power supply
  52. RECOMENDATION for 40khz push-pull smps
  53. Linear Power Supplies with Torroidal transformers
  54. does have possibility to build a SMPS flyback 13.8v 50A ?
  55. SMPS flyback, transistor problem
  56. How to connect two secondaries to get a central tap
  57. My 4Kw smps finished
  58. 7ch TDA7294 PSU
  59. Need Schematic for Xantrex 1750 Prowatt Inverter
  60. 2kw inverter charger
  61. torridal designing software
  62. solen vs cerafine
  63. atx power supply inductor operating max. frequency ?
  64. High Speed PCB Layout
  65. Surge on power on causing major headache
  66. transformer for Legend Stage MK2 (65-0-65V)@10A
  67. Can I parallel LT1763 to double the current?
  68. power supply
  69. Shunt regulator using LM317 & LM337
  70. High quality, high voltage (~250V) reservoir caps for PSU
  71. How to drop voltage and current
  72. +/- 28V 3A supply
  73. High current low noise linear regulator?
  74. Psu based on an-1849 note from ni
  75. Advice Needed: PS for STK 463 chip
  76. SMPS nearly finished, not stable
  77. 35khz High Frequency AC Supply (Tube design)
  78. Commodore 64 Floppy Drive Transformer
  79. SMPS input 127Vac, output 13.8VCC / 200A, true or fake ? to see this video:
  80. 35khz High Frequency AC
  81. Thermal Compound Short a SMPS?
  82. Compensating for PS parasitic capacitance
  83. On soft start circuits and safety
  84. 230v 800va toroid on 115vac
  85. Which 24v dc power supply for T amp?
  86. Power transformer amperage
  87. 83mF Capacitor...Tripath smoothing
  88. srpp psu
  89. usb power noise filtering
  90. Question regarding a PFC output cappacitor selection
  91. Phantom power supply
  92. hand made 800VA EI Transformer
  93. no centre tap tranformer only 500va standard
  94. 48v power supply design questions
  95. adding and using secondary windings
  96. New power supply for Logitech Duet
  97. Sine Wave Inverter
  98. 4000VA Toroid Transformer Problem
  99. Quick question about shunt regs and CCS
  100. a free but not working Stabylex 12 VDC power supply to any one
  101. sg3525 spice model needed !
  102. To series connect dual secondary or not?
  103. PWM Controller ICs Choices
  104. use of dc-dc converters in high power amps supply
  105. Bridgeless PFC help
  106. Several psu ground question.
  107. Stable switching speeds for IGBTs in SMPS design
  108. LM4562 decoupling...
  109. Powering multiple opamps - cascaded rails or starred?
  110. Resistor Gate
  111. commercial smps
  112. mains light bulb tester.
  113. "Power On" Led using bleeding resistor. An Issue ?
  114. Need power supply for msb link iii dac
  115. Full bridge Converter Design
  116. Farnell Transformer- cheap 300VA 2*30V
  117. Shorten leads of primaries to connect them in series ?
  118. diy bybee quantum purifiers?
  119. Any schematic for a diy power line sniffer noise Detector ?
  120. meanwell ???
  121. What fuses to use
  122. Piling two toroidal transformers
  123. multiple SMPS
  124. Exodus RFI/DC Filter, any OPINIONS?
  125. How do I know what a transformers VA is?
  126. coupled output inductor in dual smps
  127. Want to make a DIY 19" rack power conditioner. Please help?
  128. zero standby power supply
  129. reliable UK distributor for 2SK170,2SK370
  130. Speed control for syncronous motor
  131. another transfomer question
  132. A-class Preamp PSU
  133. F5 psu layout
  134. Replacing a wall wart with a bigger transformer
  135. Battery Pack Burnout
  136. 7W dissipation in linear reg.= 100degC???
  137. Is Trafco a trusted company in Belgrade?
  138. Toroid xformer hookup question - Antek
  139. Sqeezebox 3 separate powersupplies????
  140. Wiki on Shunt regulation
  141. help with disigning 3 phase AC to DC converter
  142. comining rail to rail and rail to ground decoupling?
  143. Swapping in transformer?
  144. Voltage doubler, tripler or other creative solution?
  145. toroid with single 240v primary on hexateq softstart?
  146. Transformer grounding questions
  147. Do larger caps age better then small ones?
  148. CAPS ! One big or 4 small ?
  149. How to control the cooling fan ... ?
  150. HexFRED and SMPS?
  151. KV PS capacitor options
  152. Need SMPS circuit for LM3886 based audio amp
  153. Soundcraft Folio Schematics
  154. spike problem !
  155. Some questions about transformer
  156. Preamp Power Supply Question
  157. Air-Core Transformers with applications in Tesla Coil design
  158. HF Trafo Core Selection
  159. VA, how do you size?
  160. supply question
  161. Power Resistor Question
  162. Amplifier PSU design needed
  163. transformer question
  164. Can you do this?
  165. LM317 and LM337 regulators
  166. Make Amp PSU From Salvaged Parts
  167. Help designing a psu pcb - fuses where?
  168. Transformers?
  169. how warm should a transformer be?
  170. Are Hammond 2-300 series ratings misleading?
  171. Is it hard to build a voltage step up converter?
  172. LC Audio low noise DC power supply
  173. Mains filter
  174. aussie av1000
  175. aussie av1000
  176. Digital Safe Soft start unit
  177. help me i need a linear regulated power supply for my amp
  178. Turntable Motor Power supply
  179. LM350 regulator problem
  180. Behringer sps 600
  181. Dual caps for S.S. PS filtering
  182. Help - dead power supply in assemblage dac
  183. Using 220v transformer with 110v mains
  184. core sources
  185. Are this capacitors good for my aleph 2 psu?
  186. Anyone have experience with SMPSpowersupplies.com
  187. +15V pre-regulate for classD amp
  188. Powering servo motors
  189. Noob transformer question
  190. Do These "New" Caps Look Used?
  191. Which stepdown transformer give equivalent of 18V DC
  192. Schematics help, what component is this?
  193. Broken toroid?
  194. Micromega STAGE 6: help with noisy transformer
  195. BH curte tracer.
  196. Questions about Vishay 60APU04 Ultra Fast Soft Recovery DIODE
  197. Power Conditioner Issue
  198. Chosing the right power for auxiliary supply
  199. Dual 12v SMPS
  200. Soft/Slow start - high current - low voltage class A PS for a Pass F5 amp
  201. Soft Start needed for SMPS?
  202. Opinions on tnt-audio power supply?
  203. Sony TA-1055 transistors
  204. Where do you get your transformers?
  205. Looking for a 700vdc supply
  206. Help on 2400W Phase Shift PSU
  207. Dual Bridge PS - Does Phase of Secondary Matter?
  208. Elco's defect? (Fuse keeps blowing)
  209. 3-stage stepped rectifier. Theory?
  210. Soft start using LM555
  211. Swappin' Mech Power Relay for Solid State
  212. Amidon bobbins
  213. Adjustable voltage-mode smps
  214. power supply for baldwin reverb box
  215. Voltage multiplier
  216. Laptop AC/DC adapter to bipolar supply for Marchand XM1
  217. HV lab supply
  218. Thermistor With Hybrid Greatz
  219. Replacement for MUR860 (ChipAmp Power Supply)
  220. Isolated Feedback Design
  221. Variations of DC Main Filter against buzzing Toroid Transformers - what is the right?
  222. NCP1217 or TOP Series
  223. Even loading of both supply rails... by inverting one channel
  224. Ripple voltage problem, or not?
  225. CRCRC linear power supply - selecting the right size caps.
  226. Toroid: Center Tap or Dual Secondary?
  227. Arrgh linear series supply ripple - how come my zener is rippling?
  228. hcca225 orion amp,. need help
  229. Transformer wires coating?
  230. Shunt Regulator Issues/ Questions
  231. AC Filter toroids
  232. A good 12v power supply to run small class D amplifier indoors?
  233. Power factor correction circuits
  234. combined 2 transformers for 24v-0-24v
  235. Battery Charger Questions
  236. Mislabelled transformer?
  237. switches
  238. Jung Super Reglator PCBs
  239. battery vs el cheapo 12v wall wart
  240. sola cvs
  241. Power supply with different voltage output?
  242. Best rectifier diodes?
  243. What kind of transformers I need?
  244. How much voltage can I get out?
  245. Regulator Design v1.3
  246. Just an observation
  247. transformers
  248. Modified a flyback tranformator to dual forward
  249. Power resistor
  250. panasonic fm vs elna silmic 2

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