View Full Version : Power Supplies

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  1. Fusing an SMPS
  2. 2400VA
  3. 10kW SMPS Amorphous / Nanocrystaline core
  4. TPS7A49 ultra low noise LDO - trouble
  5. Cooling of bridge rectifier
  6. nuforce icon hdp power supply
  7. Yet Another Transformer Identification Thread
  8. Asking about Power supply #PS1 of Audible Illusions
  9. Odd taps on Raphaelite PT
  10. old diode
  11. SMPS capacitance questions
  12. Best option for 9V rechargeable batteries
  13. Replacing diodes with Schottky type ones in PS - any drawbacks ?
  14. Old Style DCB1 vs Hot Rod DCB1? whats the difference in sch?
  15. Salas Extended version?
  16. Weird voltages on toroidal transformer output
  17. 20Amp upto 90V shunt Reg simpler version
  18. Noise reduction with massive choke?
  19. A little tester to determine transformer PhaseDots with no scope or signal generator
  20. Please help to choose a step-down controller chip
  21. Microphone pre-amp phantom supply
  22. TPS7A4001 vs Salas shunt Reg
  23. Synchronous Rectifier Controller
  24. Amp power Supply
  25. One secondary voltage and two biases
  26. 6 tap auto transformer/Variac help please
  27. general smps power supply troubleshooting question
  28. Mains filtering for a digital equipment.
  29. My spin of a DC filter board
  30. Power Supply Caps - Standard vs Audio
  31. Specification of a toroidal transformer
  32. looking for diodes
  33. 12V trigger and triac
  34. LM317 Based Tracking Preregulator Dual PSU
  35. Can i use SMPS as a Toroidal transformer?
  36. Powering Stompboxes With Dual Supply From A Single Battery
  37. Supply capacitors for Voltage Regulators
  38. LT1963A & LT3015
  39. Why use tubes in the power supply?
  40. Board mount SMPS for a preamp or active crossover
  41. ir remote, control signal, or audio input power on circuitry?
  42. Filter Cap Question for Power Regulators
  43. Waveform deformation and voltage drop in transformer
  44. Building my own Voltage Regulator
  45. Building a 3,3 volt rechargeable circuit
  46. 4 Pole AC Mains
  47. Quad 303 main caps 5600uf too much?
  48. PSU rectifiers (alternative to On-semi B40250TG)
  49. having problem with negative salas
  50. signal ground to earth connection
  51. Stabilizing DC heaters [newbie]
  52. Ohm's Law application: choosing a resistor
  53. Tube power supply.
  54. Ceramic caps & Piezzo noise on digital stufs
  55. Induced buzz in Hammond 374bx
  56. Identyfying ferrite core material
  57. capacitor across main power switch
  58. Can a toroidal transformers be replaced with batteries?
  59. 10x8 Raw DC board with CR(L)C filter
  60. DC-DC converters
  61. Quick PS inrush limiting (NTC) question
  62. Newbie looking for a 12v 3a PSU
  63. toroidal transformers
  64. Linear Integrated Circuits and MOSFETs, RCA Solid State Division, Somerville, NJ, 197
  65. LM338
  66. Current Feed back Power LDO regulator
  67. Thru hole bridge rectifier question
  68. Troubleshooting a blown fuse
  69. Help with chokes
  70. Duncan Amps PSU II: Locked Files
  71. Raspberry PI PSU with TPS7A8300 5V 2A
  72. Can anyone tell me something about my torodials
  73. Low noise toroidal transformer vs Normal toroidal
  74. Proper supply impedance for opamp
  75. High Power Constant Current Power Supply Designs
  76. 12v 100W-150W amplifier or supply for one
  77. audiophonics: power on and delay softstart board
  78. Shunt regulator circuit wanted
  79. SMPS failure. IR21531. Please help.
  80. one power supply for two mixers? possible ?
  81. SMPS overload protection specs
  82. OT (a little): 24 VDC power supply for control system
  83. inrush current limiter
  84. Twist on PS for Car audio amp
  85. any information on this odd power supply?
  86. Heat Dissapation in Voltage Follower Regulator
  87. Convert a System to Single Battery DC Use: Amp Circuit Req. 24v-0-24v
  88. Look ma, no center tap
  89. Help designing LM338 PS
  90. toroidal wiring
  91. upgrade suggestion 645vdc supply
  92. 12V to 19.5V Laptop Computer Boost Converter
  93. Need some help with wiring a SMPS800RS
  94. PSU Smoothing caps change, Now 1 of the internal fuses blows on power up, help :-o
  95. Switching power supplies and stability?
  96. Broadband Noise
  97. Thermal Cutoff Fuse
  98. Understanding PSU requirements for class D
  99. SG3525 ferrite transformer calculation
  100. XLR cable?
  101. Advice on power supply servicing
  102. transformer question
  103. Look for the schematic of the old radio power-supply Schaub Lorenz NG 1000
  104. whats the cheapest way to get 15000uf?
  105. Phantom power from 9V
  106. Build DIY rectifier or buy premade one from Sure?
  107. Power Supply math question .. Hurrah!
  108. Powering amp that needs 2x18V with 2x12V trafo?
  109. Systron Donner TL8-3 Trygon Power Supply repair
  110. Linn Lingo Power Supply, 1994 model breaking down
  111. [NEW] SoftStart+Push Button V1.0
  112. TAS5630 VDD Supply
  113. difference between trafo's
  114. First-Time DIY Power Supply: Capacitor Help
  115. Possible phono power supply?
  116. Sorces/recommendations for Amp Camp Amp PSU?
  117. Got a 6-0-6 v ca 72 VA transformer, what should I do with it?
  118. Should I go off the Bridge or off the regulated supply?
  119. Viz Isotap II
  120. PSU Works on breadboard NOT on PCB?
  121. definitive MOT usage
  122. Looking for a small off the shelf SMPS for active speaker filter
  123. Illustration of critical inductance
  124. Stupid Question?
  125. Power Conditioner?
  126. Build Your Own Transformer
  127. High Voltage adjustable Maida supply problem
  128. Headscratching with voltage & low leakage
  129. Shared power supply
  130. 5v, 3A Linear PS for Pi2/DAC
  131. What does preamp PSU oscillation look like for linear regulators?
  132. 2x18v(0-18v and 0-18v) transformer as a dual transformer
  133. HQ Low noise 4-quadrant PSU with 2xLM3886
  134. NTC thermal shutdown
  135. Drop Wall Wart from 12v AC to 9v AC output
  136. Wima DC-Link as filter cap
  137. Better than a wall wart?
  138. Toroid EMF pickup.
  139. Krell KAV 300CD Transformer Outputs
  140. Power supply for car audio Kenwood DDX5901HD for home use?
  141. FUSE on psu output
  142. 1kW resonant SMPS
  143. Big large capacitor or many small type ?
  144. Boost Converter for Car Audio TPA3116D2
  145. power transformer for Glassware PS-4
  146. What's a voltage regulator for a digital circuit's favourite power supply?
  147. High Voltage Regulated 0-300 supply schematic
  148. Yet another ultra low noise high PSRR LDO - LT3042
  149. Is This Power Supply Possible
  150. Simple push pull design
  151. SMPS sounding better than good linear ps?
  152. GDT, Gate transformer driver
  153. Krell Kav 300cd fault
  154. help wiring multiple winding tranformer
  155. TL431 "dropout voltage" measurement: 1.96V
  156. Primary Waveform in the Half-Bridge SMPS
  157. Power supply question
  158. Please Advice My New Design.
  159. Value for a DC rail shunt cap?
  160. New age circuit construction
  161. Three pin voltage regulator
  162. Odd, slight voltage increase over long time periods
  163. power transformer question
  164. 5Z3P 6N9P EL34 Chinese amp kit
  165. prototype power supply layout idea
  166. Advice/critique on my H-Bridge Design please.
  167. LittleFuse 345 holder/2.5A-SB kinda Just Blew Up haha
  168. X power 1750plus inverter reversed 12v input polarity
  169. Noisy amplifier?power supply
  170. Need advice on Power Supplies
  171. Welborne Labs PS1
  172. Marantz 2235b- P800 PSU problem
  173. 400V and 300V supply voltage clamp?
  174. Choosing and designing my own AC-DC power supply
  175. Cheat Method to Power a Subwoofer?
  176. cheap toroidal any good
  177. UV LED flood light, power supply
  178. Improving zener follower regulator in preamp
  179. Regulated supply help
  180. Will these transformers be beneficial to me in anyway?
  181. BEHRINGER lpa1180 rev j
  182. Power supply
  183. Line Current for (XFormer + Rectifier + LDO)
  184. Questions regarding the build-up for 100A 12V SMPS
  185. LT3080 PCB
  186. Ebay Regulated Supply Opinions
  187. The SMPS HYS3C300 - No STBY + -7V identification element
  188. pls help to choose right trafo for burned
  189. 48V PSU- Trimpot frying
  190. LP Filter for Adjustable Pedal Supply
  191. Can one tell if PSU is the problem just by listening?
  192. Hum on ayon cd player power supply
  193. Glassware rotary on/off switch
  194. How to calculate the size of the heat sink
  195. Improving capacitance multipliers
  196. Tentlabs Shunt Reg Schematic
  197. hypex ucd400 power supply
  198. What power supply for P7 mini preamp
  199. Relay contact protection
  200. Realistic STA-250 Repair
  201. PSU for 12v set up - please help!
  202. Using IR2101 as LO-HI side driver IC
  203. how to apply transformer snubber to a centre tapped secondary and 2 diode full wave?
  204. PCB hole with solder current rating. need confirm?
  205. Parallel caps, wire resistance
  206. Advice on PWM controller for 12v battery use.
  207. questions on simple mosfet regulator
  208. Transfromers position
  209. Noise floor 8 dB higher on 3 prong vs 2 prong "cheater" jack?
  210. Low voltage tube based supply for turntable?
  211. Positive and negative voltages from 2 LM350
  212. phx7nq60e equivalent
  213. electrolitic capacitor types for amps/preamps
  214. Where to put the largest capacitor?
  215. 1.2V Regulator
  216. Snubbing quandaries
  217. Coleman Supplies
  218. fusing pri
  219. Field Coil Power Supply DIY
  220. Chokes in the return line - bypassing the HV problem?
  221. Turns ratios help needed on SMPS.
  222. Choose a AC to DC switching supply
  223. How do I best re-start an old power supply?
  224. How to wire a power indicator LED from a bipolar PSU?
  225. Is there a problem with this transformer, or the capacitors?
  226. +/- 15 volt power supply
  227. Choke BEFORE rectifier
  228. Schottky negative power supply?
  229. Choke power supply guidance
  230. Power supply
  231. Poly caps in place of electrolitcs?
  232. 12v Power Supply Build Request for Driverack PA2
  233. Inductor power rating
  234. wiring secondaries on a 1,5kw autotransformer
  235. Help with understanding electrical output/demand when using a computer PSU to 12v amp
  236. Power transformer repair or rewinding needed.
  237. Voltage Doubler PSU-Newbie
  238. Another Odd Power Transformer
  239. Transformers: two single secondary vs single dual secondaries
  240. I need power supply help, single winding transformer AC-DC
  241. sr-4a receiver amp
  242. sr-4a receiver amp
  243. Confused about DC supply board
  244. Is there any harm in using an overspecified power transformer?
  245. Power LDO PSU with TL431
  246. tapping 12v power suppy to 2 equipment
  247. Transformer for 1kW SMPS.
  248. Selecting Power Transformers for Tube Amp
  249. How to hookup an illuminated power switch or button
  250. Delay circuit, more delay time needed

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