View Full Version : Power Supplies

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  1. Notebook power supply and tube heater
  2. How to start PSU without motherboard - Dell PowerEdge 6850 1470W
  3. Beta testers wanted for discrete regulator
  4. simple zener string for psu regulation for ICs
  5. Use inductors to prevent diode-caused oscillation?
  6. Need wiring help for dual rail in R core
  7. Cap Multiplier: Before or After the Regulator?
  8. Audio Power Tranformer with 6 Primary Wires
  9. Capacitors battle Cheap vs Slighty Expensive
  10. Mystery load current spike in dual rail 9V low-battery cutoff circuit
  11. Schematic for LR8 IRF840 variable PSU?
  12. Half-Bridge SMPS with PFC
  13. Era Transpac LC325 5a power supply question
  14. 24VAC 50VA transformer project suggestion
  15. Coil for Active PFC stage
  16. SU power calcs
  17. power solutions for portable 19-24v tpa3116
  18. SMPS welding inverter soft LVI switcher.
  19. Fusing an SMPS
  20. 2400VA
  21. 10kW SMPS Amorphous / Nanocrystaline core
  22. TPS7A49 ultra low noise LDO - trouble
  23. Cooling of bridge rectifier
  24. nuforce icon hdp power supply
  25. Yet Another Transformer Identification Thread
  26. Asking about Power supply #PS1 of Audible Illusions
  27. Odd taps on Raphaelite PT
  28. old diode
  29. SMPS capacitance questions
  30. Best option for 9V rechargeable batteries
  31. Replacing diodes with Schottky type ones in PS - any drawbacks ?
  32. Old Style DCB1 vs Hot Rod DCB1? whats the difference in sch?
  33. Salas Extended version?
  34. Weird voltages on toroidal transformer output
  35. 20Amp upto 90V shunt Reg simpler version
  36. Noise reduction with massive choke?
  37. A little tester to determine transformer PhaseDots with no scope or signal generator
  38. Please help to choose a step-down controller chip
  39. Microphone pre-amp phantom supply
  40. TPS7A4001 vs Salas shunt Reg
  41. Synchronous Rectifier Controller
  42. Amp power Supply
  43. One secondary voltage and two biases
  44. 6 tap auto transformer/Variac help please
  45. general smps power supply troubleshooting question
  46. Mains filtering for a digital equipment.
  47. My spin of a DC filter board
  48. Power Supply Caps - Standard vs Audio
  49. Specification of a toroidal transformer
  50. looking for diodes
  51. 12V trigger and triac
  52. LM317 Based Tracking Preregulator Dual PSU
  53. Can i use SMPS as a Toroidal transformer?
  54. Powering Stompboxes With Dual Supply From A Single Battery
  55. Supply capacitors for Voltage Regulators
  56. LT1963A & LT3015
  57. Why use tubes in the power supply?
  58. Board mount SMPS for a preamp or active crossover
  59. ir remote, control signal, or audio input power on circuitry?
  60. Filter Cap Question for Power Regulators
  61. Waveform deformation and voltage drop in transformer
  62. Building my own Voltage Regulator
  63. Building a 3,3 volt rechargeable circuit
  64. 4 Pole AC Mains
  65. Quad 303 main caps 5600uf too much?
  66. PSU rectifiers (alternative to On-semi B40250TG)
  67. having problem with negative salas
  68. signal ground to earth connection
  69. Stabilizing DC heaters [newbie]
  70. Ohm's Law application: choosing a resistor
  71. Tube power supply.
  72. Ceramic caps & Piezzo noise on digital stufs
  73. Induced buzz in Hammond 374bx
  74. Identyfying ferrite core material
  75. capacitor across main power switch
  76. Can a toroidal transformers be replaced with batteries?
  77. 10x8 Raw DC board with CR(L)C filter
  78. Quick PS inrush limiting (NTC) question
  79. Newbie looking for a 12v 3a PSU
  80. toroidal transformers
  81. Linear Integrated Circuits and MOSFETs, RCA Solid State Division, Somerville, NJ, 197
  82. LM338
  83. Current Feed back Power LDO regulator
  84. Thru hole bridge rectifier question
  85. Troubleshooting a blown fuse
  86. Help with chokes
  87. Duncan Amps PSU II: Locked Files
  88. Noratel Toroidal transformers
  89. Raspberry PI PSU with TPS7A8300 5V 2A
  90. Can anyone tell me something about my torodials
  91. Low noise toroidal transformer vs Normal toroidal
  92. Proper supply impedance for opamp
  93. High Power Constant Current Power Supply Designs
  94. 12v 100W-150W amplifier or supply for one
  95. audiophonics: power on and delay softstart board
  96. Shunt regulator circuit wanted
  97. SMPS failure. IR21531. Please help.
  98. one power supply for two mixers? possible ?
  99. SMPS overload protection specs
  100. OT (a little): 24 VDC power supply for control system
  101. inrush current limiter
  102. Twist on PS for Car audio amp
  103. any information on this odd power supply?
  104. Heat Dissapation in Voltage Follower Regulator
  105. Convert a System to Single Battery DC Use: Amp Circuit Req. 24v-0-24v
  106. Look ma, no center tap
  107. Help designing LM338 PS
  108. toroidal wiring
  109. upgrade suggestion 645vdc supply
  110. 12V to 19.5V Laptop Computer Boost Converter
  111. Need some help with wiring a SMPS800RS
  112. PSU Smoothing caps change, Now 1 of the internal fuses blows on power up, help :-o
  113. Switching power supplies and stability?
  114. Broadband Noise
  115. Thermal Cutoff Fuse
  116. Understanding PSU requirements for class D
  117. SG3525 ferrite transformer calculation
  118. XLR cable?
  119. Advice on power supply servicing
  120. transformer question
  121. Look for the schematic of the old radio power-supply Schaub Lorenz NG 1000
  122. whats the cheapest way to get 15000uf?
  123. Phantom power from 9V
  124. Build DIY rectifier or buy premade one from Sure?
  125. Power Supply math question .. Hurrah!
  126. Powering amp that needs 2x18V with 2x12V trafo?
  127. Systron Donner TL8-3 Trygon Power Supply repair
  128. Linn Lingo Power Supply, 1994 model breaking down
  129. [NEW] SoftStart+Push Button V1.0
  130. TAS5630 VDD Supply
  131. difference between trafo's
  132. First-Time DIY Power Supply: Capacitor Help
  133. Possible phono power supply?
  134. Sorces/recommendations for Amp Camp Amp PSU?
  135. Got a 6-0-6 v ca 72 VA transformer, what should I do with it?
  136. Should I go off the Bridge or off the regulated supply?
  137. Viz Isotap II
  138. PSU Works on breadboard NOT on PCB?
  139. definitive MOT usage
  140. Looking for a small off the shelf SMPS for active speaker filter
  141. Illustration of critical inductance
  142. Stupid Question?
  143. Power Conditioner?
  144. Build Your Own Transformer
  145. High Voltage adjustable Maida supply problem
  146. Headscratching with voltage & low leakage
  147. Shared power supply
  148. 5v, 3A Linear PS for Pi2/DAC
  149. What does preamp PSU oscillation look like for linear regulators?
  150. 2x18v(0-18v and 0-18v) transformer as a dual transformer
  151. HQ Low noise 4-quadrant PSU with 2xLM3886
  152. NTC thermal shutdown
  153. Drop Wall Wart from 12v AC to 9v AC output
  154. Wima DC-Link as filter cap
  155. Better than a wall wart?
  156. Toroid EMF pickup.
  157. Krell KAV 300CD Transformer Outputs
  158. Power supply for car audio Kenwood DDX5901HD for home use?
  159. FUSE on psu output
  160. 1kW resonant SMPS
  161. Big large capacitor or many small type ?
  162. Boost Converter for Car Audio TPA3116D2
  163. power transformer for Glassware PS-4
  164. What's a voltage regulator for a digital circuit's favourite power supply?
  165. High Voltage Regulated 0-300 supply schematic
  166. Yet another ultra low noise high PSRR LDO - LT3042
  167. Is This Power Supply Possible
  168. Simple push pull design
  169. SMPS sounding better than good linear ps?
  170. GDT, Gate transformer driver
  171. Krell Kav 300cd fault
  172. help wiring multiple winding tranformer
  173. TL431 "dropout voltage" measurement: 1.96V
  174. Primary Waveform in the Half-Bridge SMPS
  175. Power supply question
  176. Please Advice My New Design.
  177. Value for a DC rail shunt cap?
  178. New age circuit construction
  179. Three pin voltage regulator
  180. Odd, slight voltage increase over long time periods
  181. power transformer question
  182. 5Z3P 6N9P EL34 Chinese amp kit
  183. prototype power supply layout idea
  184. Advice/critique on my H-Bridge Design please.
  185. LittleFuse 345 holder/2.5A-SB kinda Just Blew Up haha
  186. X power 1750plus inverter reversed 12v input polarity
  187. Noisy amplifier?power supply
  188. Need advice on Power Supplies
  189. Welborne Labs PS1
  190. Marantz 2235b- P800 PSU problem
  191. 400V and 300V supply voltage clamp?
  192. Choosing and designing my own AC-DC power supply
  193. Cheat Method to Power a Subwoofer?
  194. cheap toroidal any good
  195. UV LED flood light, power supply
  196. Improving zener follower regulator in preamp
  197. Regulated supply help
  198. Will these transformers be beneficial to me in anyway?
  199. BEHRINGER lpa1180 rev j
  200. Power supply
  201. Line Current for (XFormer + Rectifier + LDO)
  202. Questions regarding the build-up for 100A 12V SMPS
  203. LT3080 PCB
  204. Ebay Regulated Supply Opinions
  205. The SMPS HYS3C300 - No STBY + -7V identification element
  206. pls help to choose right trafo for burned
  207. 48V PSU- Trimpot frying
  208. LP Filter for Adjustable Pedal Supply
  209. Can one tell if PSU is the problem just by listening?
  210. Hum on ayon cd player power supply
  211. Glassware rotary on/off switch
  212. How to calculate the size of the heat sink
  213. Improving capacitance multipliers
  214. Tentlabs Shunt Reg Schematic
  215. hypex ucd400 power supply
  216. What power supply for P7 mini preamp
  217. Relay contact protection
  218. Realistic STA-250 Repair
  219. PSU for 12v set up - please help!
  220. Using IR2101 as LO-HI side driver IC
  221. how to apply transformer snubber to a centre tapped secondary and 2 diode full wave?
  222. PCB hole with solder current rating. need confirm?
  223. Parallel caps, wire resistance
  224. Advice on PWM controller for 12v battery use.
  225. questions on simple mosfet regulator
  226. Transfromers position
  227. Noise floor 8 dB higher on 3 prong vs 2 prong "cheater" jack?
  228. Low voltage tube based supply for turntable?
  229. Positive and negative voltages from 2 LM350
  230. phx7nq60e equivalent
  231. electrolitic capacitor types for amps/preamps
  232. Where to put the largest capacitor?
  233. 1.2V Regulator
  234. Snubbing quandaries
  235. Coleman Supplies
  236. fusing pri
  237. Field Coil Power Supply DIY
  238. Chokes in the return line - bypassing the HV problem?
  239. Turns ratios help needed on SMPS.
  240. Choose a AC to DC switching supply
  241. How do I best re-start an old power supply?
  242. How to wire a power indicator LED from a bipolar PSU?
  243. Is there a problem with this transformer, or the capacitors?
  244. +/- 15 volt power supply
  245. Choke BEFORE rectifier
  246. Schottky negative power supply?
  247. Choke power supply guidance
  248. Power supply
  249. Poly caps in place of electrolitcs?
  250. 12v Power Supply Build Request for Driverack PA2

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