View Full Version : Power Supplies

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  1. GZ32 vs ss rectifier
  2. Big size and low capacitance - are there any rules?
  3. How do I determine polarity on a dual primary toroid?
  4. Mains Filter
  5. Stomp box supply
  6. Replacing transformer with DC power
  7. AA DLC PS Solution
  8. Another PSU Transient Load Tester ("chop chop box")
  9. Need Help with TDA2052 Power Supply
  10. Transformer got really hot because I wired it wrong
  11. 12VDC Linear PSU
  12. Full wave center tapped power supply defies the laws of physics
  13. 1.2 kW regulated power supply
  14. Two-section 500V electrolytic caps for cheap (new production)
  15. 0-50V 0-10A Variable SMPS
  16. need help with battery selection for my amp
  17. Tube power supply
  18. First PSU Build help!!!
  19. Suitable chips for 15v down to 3.3v
  20. When to use artificial center tap
  21. PSU sizing and limiting input gain for targeted output / THD ??
  22. MAX1771 stability issues
  23. Is this transformer a good start for a class D amp power supply?
  24. Circuit reduces PS noise by up to 26db
  25. using lundahl anode chokes for power supply
  26. Tungar Power Supply
  27. TL783, extending voltage range
  28. Distorted sine wave on transformer secondary...
  29. half bridge secondary voltage
  30. What swhitch to use for diy amp
  31. Two transformers
  32. Which Universal PSU for various AMP builds?
  33. Speed control for 120vac fan that does not add noise
  34. Can i buld a 5V DC PSU using Toroidal 15V @ 30VA
  35. 5V +/- Powersupply feedback
  36. humming sound
  37. Alternatives for MJ4502 and LM301A
  38. Toroid transformer winding
  39. Isolation transformer - does a cap on the secondary give any benefit?
  40. Stepdown trafo and possible rewind......
  41. What's A Good replcement transforer for Adcom GFA 535
  42. Counterpoint SA3000 power supply
  43. tracking down a possible electrical problem
  44. A puzzler of sorts (grounding problem).
  45. LM317 + 2 Transistors "Class A" Regulator?
  46. Voltage Regulator Question
  47. Heat sink insulators for Indigo "Bash" plate amplifier switching power supply
  48. PSU upgrade for Meitner PA6i Preamp
  49. Marantz M7C HT Regulator Adjustment
  50. Power Supply for ancient Goldmund Mimesis 10 DAC
  51. How do I limit current flow from a Car battery to an amp?
  52. power supply rail voltage too high
  53. Calculating input current
  54. Duel supply from 12V battery
  55. Moved: EU transformer for an Hafler 9505 Transnova?
  56. Store/latch fault signal
  57. Testing a New Design Shunt Regulator
  58. Failed attempt of Jung/Didden superreg PCB redesign
  59. Can I run a CB radio and Sub off of 1 amplifier?
  60. 317/337 based virtual ground PS
  61. When split supply from a single gives uneven rail voltages...
  62. Filtering the HF hash of a SMPS
  63. Reduce Transformer Output?
  64. Building the SBT PSU
  65. Art Audio Quintett Schematics
  66. I need a simple compact rectification & smoothing circuit to power 5v/12v electronics
  67. SMPS advice for headphone amp
  68. thyristor reset
  69. PS for Musical Fidelity V90 DAC
  70. Help please, I'm almost there fixing a SMPS!
  71. Notebook power supply and tube heater
  72. How to start PSU without motherboard - Dell PowerEdge 6850 1470W
  73. Beta testers wanted for discrete regulator
  74. simple zener string for psu regulation for ICs
  75. Use inductors to prevent diode-caused oscillation?
  76. Need wiring help for dual rail in R core
  77. Cap Multiplier: Before or After the Regulator?
  78. Audio Power Tranformer with 6 Primary Wires
  79. Capacitors battle Cheap vs Slighty Expensive
  80. Mystery load current spike in dual rail 9V low-battery cutoff circuit
  81. Schematic for LR8 IRF840 variable PSU?
  82. Half-Bridge SMPS with PFC
  83. Era Transpac LC325 5a power supply question
  84. 24VAC 50VA transformer project suggestion
  85. Coil for Active PFC stage
  86. SU power calcs
  87. power solutions for portable 19-24v tpa3116
  88. SMPS welding inverter soft LVI switcher.
  89. Fusing an SMPS
  90. 2400VA
  91. 10kW SMPS Amorphous / Nanocrystaline core
  92. TPS7A49 ultra low noise LDO - trouble
  93. Cooling of bridge rectifier
  94. nuforce icon hdp power supply
  95. Yet Another Transformer Identification Thread
  96. Asking about Power supply #PS1 of Audible Illusions
  97. Odd taps on Raphaelite PT
  98. old diode
  99. SMPS capacitance questions
  100. Best option for 9V rechargeable batteries
  101. Replacing diodes with Schottky type ones in PS - any drawbacks ?
  102. Old Style DCB1 vs Hot Rod DCB1? whats the difference in sch?
  103. Salas Extended version?
  104. Weird voltages on toroidal transformer output
  105. 20Amp upto 90V shunt Reg simpler version
  106. Noise reduction with massive choke?
  107. A little tester to determine transformer PhaseDots with no scope or signal generator
  108. Please help to choose a step-down controller chip
  109. Microphone pre-amp phantom supply
  110. TPS7A4001 vs Salas shunt Reg
  111. Synchronous Rectifier Controller
  112. Amp power Supply
  113. One secondary voltage and two biases
  114. 6 tap auto transformer/Variac help please
  115. general smps power supply troubleshooting question
  116. Mains filtering for a digital equipment.
  117. My spin of a DC filter board
  118. Power Supply Caps - Standard vs Audio
  119. Specification of a toroidal transformer
  120. looking for diodes
  121. 12V trigger and triac
  122. LM317 Based Tracking Preregulator Dual PSU
  123. Can i use SMPS as a Toroidal transformer?
  124. Powering Stompboxes With Dual Supply From A Single Battery
  125. Supply capacitors for Voltage Regulators
  126. LT1963A & LT3015
  127. Why use tubes in the power supply?
  128. Board mount SMPS for a preamp or active crossover
  129. ir remote, control signal, or audio input power on circuitry?
  130. Filter Cap Question for Power Regulators
  131. Waveform deformation and voltage drop in transformer
  132. Building my own Voltage Regulator
  133. Building a 3,3 volt rechargeable circuit
  134. 4 Pole AC Mains
  135. Quad 303 main caps 5600uf too much?
  136. PSU rectifiers (alternative to On-semi B40250TG)
  137. having problem with negative salas
  138. signal ground to earth connection
  139. Stabilizing DC heaters [newbie]
  140. Ohm's Law application: choosing a resistor
  141. Tube power supply.
  142. Ceramic caps & Piezzo noise on digital stufs
  143. Induced buzz in Hammond 374bx
  144. Identyfying ferrite core material
  145. capacitor across main power switch
  146. Can a toroidal transformers be replaced with batteries?
  147. 10x8 Raw DC board with CR(L)C filter
  148. DC-DC converters
  149. Quick PS inrush limiting (NTC) question
  150. Newbie looking for a 12v 3a PSU
  151. toroidal transformers
  152. Linear Integrated Circuits and MOSFETs, RCA Solid State Division, Somerville, NJ, 197
  153. LM338
  154. Current Feed back Power LDO regulator
  155. Thru hole bridge rectifier question
  156. Troubleshooting a blown fuse
  157. Help with chokes
  158. Duncan Amps PSU II: Locked Files
  159. Raspberry PI PSU with TPS7A8300 5V 2A
  160. Can anyone tell me something about my torodials
  161. Low noise toroidal transformer vs Normal toroidal
  162. Proper supply impedance for opamp
  163. High Power Constant Current Power Supply Designs
  164. 12v 100W-150W amplifier or supply for one
  165. audiophonics: power on and delay softstart board
  166. Shunt regulator circuit wanted
  167. SMPS failure. IR21531. Please help.
  168. one power supply for two mixers? possible ?
  169. SMPS overload protection specs
  170. OT (a little): 24 VDC power supply for control system
  171. inrush current limiter
  172. Twist on PS for Car audio amp
  173. any information on this odd power supply?
  174. Heat Dissapation in Voltage Follower Regulator
  175. Convert a System to Single Battery DC Use: Amp Circuit Req. 24v-0-24v
  176. Look ma, no center tap
  177. Help designing LM338 PS
  178. toroidal wiring
  179. upgrade suggestion 645vdc supply
  180. 12V to 19.5V Laptop Computer Boost Converter
  181. Need some help with wiring a SMPS800RS
  182. PSU Smoothing caps change, Now 1 of the internal fuses blows on power up, help :-o
  183. Switching power supplies and stability?
  184. Broadband Noise
  185. Thermal Cutoff Fuse
  186. Understanding PSU requirements for class D
  187. SG3525 ferrite transformer calculation
  188. XLR cable?
  189. Advice on power supply servicing
  190. transformer question
  191. Look for the schematic of the old radio power-supply Schaub Lorenz NG 1000
  192. whats the cheapest way to get 15000uf?
  193. Phantom power from 9V
  194. Build DIY rectifier or buy premade one from Sure?
  195. Power Supply math question .. Hurrah!
  196. Powering amp that needs 2x18V with 2x12V trafo?
  197. Systron Donner TL8-3 Trygon Power Supply repair
  198. Linn Lingo Power Supply, 1994 model breaking down
  199. [NEW] SoftStart+Push Button V1.0
  200. TAS5630 VDD Supply
  201. difference between trafo's
  202. First-Time DIY Power Supply: Capacitor Help
  203. Possible phono power supply?
  204. Sorces/recommendations for Amp Camp Amp PSU?
  205. Got a 6-0-6 v ca 72 VA transformer, what should I do with it?
  206. Should I go off the Bridge or off the regulated supply?
  207. Viz Isotap II
  208. PSU Works on breadboard NOT on PCB?
  209. definitive MOT usage
  210. Looking for a small off the shelf SMPS for active speaker filter
  211. Illustration of critical inductance
  212. Stupid Question?
  213. Power Conditioner?
  214. Build Your Own Transformer
  215. High Voltage adjustable Maida supply problem
  216. Headscratching with voltage & low leakage
  217. Shared power supply
  218. 5v, 3A Linear PS for Pi2/DAC
  219. What does preamp PSU oscillation look like for linear regulators?
  220. 2x18v(0-18v and 0-18v) transformer as a dual transformer
  221. HQ Low noise 4-quadrant PSU with 2xLM3886
  222. NTC thermal shutdown
  223. Drop Wall Wart from 12v AC to 9v AC output
  224. Wima DC-Link as filter cap
  225. Better than a wall wart?
  226. Toroid EMF pickup.
  227. Krell KAV 300CD Transformer Outputs
  228. Power supply for car audio Kenwood DDX5901HD for home use?
  229. FUSE on psu output
  230. 1kW resonant SMPS
  231. Big large capacitor or many small type ?
  232. Boost Converter for Car Audio TPA3116D2
  233. power transformer for Glassware PS-4
  234. What's a voltage regulator for a digital circuit's favourite power supply?
  235. High Voltage Regulated 0-300 supply schematic
  236. Yet another ultra low noise high PSRR LDO - LT3042
  237. Is This Power Supply Possible
  238. Simple push pull design
  239. SMPS sounding better than good linear ps?
  240. GDT, Gate transformer driver
  241. Krell Kav 300cd fault
  242. help wiring multiple winding tranformer
  243. TL431 "dropout voltage" measurement: 1.96V
  244. Primary Waveform in the Half-Bridge SMPS
  245. Power supply question
  246. Please Advice My New Design.
  247. Value for a DC rail shunt cap?
  248. New age circuit construction
  249. Three pin voltage regulator
  250. Odd, slight voltage increase over long time periods

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