View Full Version : Power Supplies

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  1. When split supply from a single gives uneven rail voltages...
  2. Filtering the HF hash of a SMPS
  3. Reduce Transformer Output?
  4. Building the SBT PSU
  5. Art Audio Quintett Schematics
  6. I need a simple compact rectification & smoothing circuit to power 5v/12v electronics
  7. SMPS advice for headphone amp
  8. thyristor reset
  9. PS for Musical Fidelity V90 DAC
  10. Help please, I'm almost there fixing a SMPS!
  11. Notebook power supply and tube heater
  12. How to start PSU without motherboard - Dell PowerEdge 6850 1470W
  13. Beta testers wanted for discrete regulator
  14. simple zener string for psu regulation for ICs
  15. Use inductors to prevent diode-caused oscillation?
  16. Need wiring help for dual rail in R core
  17. Cap Multiplier: Before or After the Regulator?
  18. Audio Power Tranformer with 6 Primary Wires
  19. Capacitors battle Cheap vs Slighty Expensive
  20. Mystery load current spike in dual rail 9V low-battery cutoff circuit
  21. Schematic for LR8 IRF840 variable PSU?
  22. Half-Bridge SMPS with PFC
  23. Era Transpac LC325 5a power supply question
  24. 24VAC 50VA transformer project suggestion
  25. Coil for Active PFC stage
  26. SU power calcs
  27. power solutions for portable 19-24v tpa3116
  28. SMPS welding inverter soft LVI switcher.
  29. Fusing an SMPS
  30. 2400VA
  31. 10kW SMPS Amorphous / Nanocrystaline core
  32. TPS7A49 ultra low noise LDO - trouble
  33. Cooling of bridge rectifier
  34. nuforce icon hdp power supply
  35. Yet Another Transformer Identification Thread
  36. Asking about Power supply #PS1 of Audible Illusions
  37. Odd taps on Raphaelite PT
  38. old diode
  39. SMPS capacitance questions
  40. Best option for 9V rechargeable batteries
  41. Replacing diodes with Schottky type ones in PS - any drawbacks ?
  42. Old Style DCB1 vs Hot Rod DCB1? whats the difference in sch?
  43. Salas Extended version?
  44. Weird voltages on toroidal transformer output
  45. 20Amp upto 90V shunt Reg simpler version
  46. Noise reduction with massive choke?
  47. A little tester to determine transformer PhaseDots with no scope or signal generator
  48. Please help to choose a step-down controller chip
  49. Microphone pre-amp phantom supply
  50. TPS7A4001 vs Salas shunt Reg
  51. Synchronous Rectifier Controller
  52. Amp power Supply
  53. One secondary voltage and two biases
  54. 6 tap auto transformer/Variac help please
  55. general smps power supply troubleshooting question
  56. Mains filtering for a digital equipment.
  57. My spin of a DC filter board
  58. Power Supply Caps - Standard vs Audio
  59. Specification of a toroidal transformer
  60. looking for diodes
  61. 12V trigger and triac
  62. LM317 Based Tracking Preregulator Dual PSU
  63. Can i use SMPS as a Toroidal transformer?
  64. Powering Stompboxes With Dual Supply From A Single Battery
  65. Supply capacitors for Voltage Regulators
  66. LT1963A & LT3015
  67. Why use tubes in the power supply?
  68. Board mount SMPS for a preamp or active crossover
  69. ir remote, control signal, or audio input power on circuitry?
  70. Filter Cap Question for Power Regulators
  71. Waveform deformation and voltage drop in transformer
  72. Building my own Voltage Regulator
  73. Building a 3,3 volt rechargeable circuit
  74. 4 Pole AC Mains
  75. Quad 303 main caps 5600uf too much?
  76. PSU rectifiers (alternative to On-semi B40250TG)
  77. having problem with negative salas
  78. signal ground to earth connection
  79. Stabilizing DC heaters [newbie]
  80. Ohm's Law application: choosing a resistor
  81. Tube power supply.
  82. Ceramic caps & Piezzo noise on digital stufs
  83. Induced buzz in Hammond 374bx
  84. Identyfying ferrite core material
  85. capacitor across main power switch
  86. Can a toroidal transformers be replaced with batteries?
  87. 10x8 Raw DC board with CR(L)C filter
  88. Quick PS inrush limiting (NTC) question
  89. Newbie looking for a 12v 3a PSU
  90. toroidal transformers
  91. Linear Integrated Circuits and MOSFETs, RCA Solid State Division, Somerville, NJ, 197
  92. LM338
  93. Current Feed back Power LDO regulator
  94. Thru hole bridge rectifier question
  95. Troubleshooting a blown fuse
  96. Help with chokes
  97. Duncan Amps PSU II: Locked Files
  98. Raspberry PI PSU with TPS7A8300 5V 2A
  99. Can anyone tell me something about my torodials
  100. Low noise toroidal transformer vs Normal toroidal
  101. Proper supply impedance for opamp
  102. High Power Constant Current Power Supply Designs
  103. 12v 100W-150W amplifier or supply for one
  104. audiophonics: power on and delay softstart board
  105. Shunt regulator circuit wanted
  106. SMPS failure. IR21531. Please help.
  107. one power supply for two mixers? possible ?
  108. SMPS overload protection specs
  109. OT (a little): 24 VDC power supply for control system
  110. inrush current limiter
  111. Twist on PS for Car audio amp
  112. any information on this odd power supply?
  113. Heat Dissapation in Voltage Follower Regulator
  114. Convert a System to Single Battery DC Use: Amp Circuit Req. 24v-0-24v
  115. Look ma, no center tap
  116. Help designing LM338 PS
  117. toroidal wiring
  118. upgrade suggestion 645vdc supply
  119. 12V to 19.5V Laptop Computer Boost Converter
  120. Need some help with wiring a SMPS800RS
  121. PSU Smoothing caps change, Now 1 of the internal fuses blows on power up, help :-o
  122. Switching power supplies and stability?
  123. Broadband Noise
  124. Thermal Cutoff Fuse
  125. Understanding PSU requirements for class D
  126. SG3525 ferrite transformer calculation
  127. XLR cable?
  128. Advice on power supply servicing
  129. transformer question
  130. Look for the schematic of the old radio power-supply Schaub Lorenz NG 1000
  131. whats the cheapest way to get 15000uf?
  132. Phantom power from 9V
  133. Build DIY rectifier or buy premade one from Sure?
  134. Power Supply math question .. Hurrah!
  135. Powering amp that needs 2x18V with 2x12V trafo?
  136. Systron Donner TL8-3 Trygon Power Supply repair
  137. Linn Lingo Power Supply, 1994 model breaking down
  138. [NEW] SoftStart+Push Button V1.0
  139. TAS5630 VDD Supply
  140. difference between trafo's
  141. First-Time DIY Power Supply: Capacitor Help
  142. Possible phono power supply?
  143. Sorces/recommendations for Amp Camp Amp PSU?
  144. Got a 6-0-6 v ca 72 VA transformer, what should I do with it?
  145. Should I go off the Bridge or off the regulated supply?
  146. Viz Isotap II
  147. PSU Works on breadboard NOT on PCB?
  148. definitive MOT usage
  149. Looking for a small off the shelf SMPS for active speaker filter
  150. Illustration of critical inductance
  151. Stupid Question?
  152. Power Conditioner?
  153. Build Your Own Transformer
  154. High Voltage adjustable Maida supply problem
  155. Headscratching with voltage & low leakage
  156. Shared power supply
  157. 5v, 3A Linear PS for Pi2/DAC
  158. What does preamp PSU oscillation look like for linear regulators?
  159. 2x18v(0-18v and 0-18v) transformer as a dual transformer
  160. HQ Low noise 4-quadrant PSU with 2xLM3886
  161. NTC thermal shutdown
  162. Drop Wall Wart from 12v AC to 9v AC output
  163. Wima DC-Link as filter cap
  164. Better than a wall wart?
  165. Toroid EMF pickup.
  166. Krell KAV 300CD Transformer Outputs
  167. Power supply for car audio Kenwood DDX5901HD for home use?
  168. FUSE on psu output
  169. 1kW resonant SMPS
  170. Big large capacitor or many small type ?
  171. Boost Converter for Car Audio TPA3116D2
  172. power transformer for Glassware PS-4
  173. What's a voltage regulator for a digital circuit's favourite power supply?
  174. High Voltage Regulated 0-300 supply schematic
  175. Yet another ultra low noise high PSRR LDO - LT3042
  176. Is This Power Supply Possible
  177. Simple push pull design
  178. SMPS sounding better than good linear ps?
  179. GDT, Gate transformer driver
  180. Krell Kav 300cd fault
  181. help wiring multiple winding tranformer
  182. TL431 "dropout voltage" measurement: 1.96V
  183. Primary Waveform in the Half-Bridge SMPS
  184. Power supply question
  185. Please Advice My New Design.
  186. Value for a DC rail shunt cap?
  187. New age circuit construction
  188. Three pin voltage regulator
  189. Odd, slight voltage increase over long time periods
  190. power transformer question
  191. 5Z3P 6N9P EL34 Chinese amp kit
  192. prototype power supply layout idea
  193. Advice/critique on my H-Bridge Design please.
  194. LittleFuse 345 holder/2.5A-SB kinda Just Blew Up haha
  195. X power 1750plus inverter reversed 12v input polarity
  196. Noisy amplifier?power supply
  197. Need advice on Power Supplies
  198. Welborne Labs PS1
  199. Marantz 2235b- P800 PSU problem
  200. 400V and 300V supply voltage clamp?
  201. Choosing and designing my own AC-DC power supply
  202. Cheat Method to Power a Subwoofer?
  203. cheap toroidal any good
  204. UV LED flood light, power supply
  205. Improving zener follower regulator in preamp
  206. Regulated supply help
  207. Will these transformers be beneficial to me in anyway?
  208. BEHRINGER lpa1180 rev j
  209. Power supply
  210. Line Current for (XFormer + Rectifier + LDO)
  211. Questions regarding the build-up for 100A 12V SMPS
  212. LT3080 PCB
  213. Ebay Regulated Supply Opinions
  214. The SMPS HYS3C300 - No STBY + -7V identification element
  215. pls help to choose right trafo for burned
  216. 48V PSU- Trimpot frying
  217. LP Filter for Adjustable Pedal Supply
  218. Can one tell if PSU is the problem just by listening?
  219. Hum on ayon cd player power supply
  220. Glassware rotary on/off switch
  221. How to calculate the size of the heat sink
  222. Improving capacitance multipliers
  223. Tentlabs Shunt Reg Schematic
  224. hypex ucd400 power supply
  225. What power supply for P7 mini preamp
  226. Relay contact protection
  227. Realistic STA-250 Repair
  228. PSU for 12v set up - please help!
  229. Using IR2101 as LO-HI side driver IC
  230. how to apply transformer snubber to a centre tapped secondary and 2 diode full wave?
  231. PCB hole with solder current rating. need confirm?
  232. Parallel caps, wire resistance
  233. Advice on PWM controller for 12v battery use.
  234. questions on simple mosfet regulator
  235. Transfromers position
  236. Noise floor 8 dB higher on 3 prong vs 2 prong "cheater" jack?
  237. Low voltage tube based supply for turntable?
  238. Positive and negative voltages from 2 LM350
  239. phx7nq60e equivalent
  240. electrolitic capacitor types for amps/preamps
  241. Where to put the largest capacitor?
  242. 1.2V Regulator
  243. Snubbing quandaries
  244. Coleman Supplies
  245. fusing pri
  246. Field Coil Power Supply DIY
  247. Chokes in the return line - bypassing the HV problem?
  248. Turns ratios help needed on SMPS.
  249. Choose a AC to DC switching supply
  250. How do I best re-start an old power supply?

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