View Full Version : Power Supplies

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  1. VA rating needed for Single End Power Supply
  2. Evaluating Tube Diodes as Rectifiers
  3. Switchmode transformer
  4. power supply wire 6 and 7
  5. Need Help with Power Supply for TDA7294 Chip Amp
  6. Damaged Transformer?
  7. Diode help! 18VAC --> diodes --> CRC 44mF-0.22R-44mF --> 24VDC @ 1.5-2.0A
  8. Would it be better to have the AC power supply in an external case
  9. PSU's for modular DAC, by a novice. Questions
  10. advantages of 2 power transformers
  11. +/- 120V,12mA from +12V using flyback?
  12. SMPS making
  13. GZ32 vs ss rectifier
  14. Big size and low capacitance - are there any rules?
  15. How do I determine polarity on a dual primary toroid?
  16. Mains Filter
  17. Stomp box supply
  18. Replacing transformer with DC power
  19. AA DLC PS Solution
  20. Another PSU Transient Load Tester ("chop chop box")
  21. Need Help with TDA2052 Power Supply
  22. Transformer got really hot because I wired it wrong
  23. 12VDC Linear PSU
  24. Full wave center tapped power supply defies the laws of physics
  25. 1.2 kW regulated power supply
  26. Two-section 500V electrolytic caps for cheap (new production)
  27. 0-50V 0-10A Variable SMPS
  28. need help with battery selection for my amp
  29. Tube power supply
  30. First PSU Build help!!!
  31. Suitable chips for 15v down to 3.3v
  32. When to use artificial center tap
  33. PSU sizing and limiting input gain for targeted output / THD ??
  34. MAX1771 stability issues
  35. Is this transformer a good start for a class D amp power supply?
  36. Circuit reduces PS noise by up to 26db
  37. using lundahl anode chokes for power supply
  38. Tungar Power Supply
  39. TL783, extending voltage range
  40. Distorted sine wave on transformer secondary...
  41. half bridge secondary voltage
  42. What swhitch to use for diy amp
  43. Two transformers
  44. Which Universal PSU for various AMP builds?
  45. Speed control for 120vac fan that does not add noise
  46. Can i buld a 5V DC PSU using Toroidal 15V @ 30VA
  47. 5V +/- Powersupply feedback
  48. humming sound
  49. Alternatives for MJ4502 and LM301A
  50. Toroid transformer winding
  51. Isolation transformer - does a cap on the secondary give any benefit?
  52. Stepdown trafo and possible rewind......
  53. What's A Good replcement transforer for Adcom GFA 535
  54. Counterpoint SA3000 power supply
  55. tracking down a possible electrical problem
  56. A puzzler of sorts (grounding problem).
  57. LM317 + 2 Transistors "Class A" Regulator?
  58. Voltage Regulator Question
  59. Heat sink insulators for Indigo "Bash" plate amplifier switching power supply
  60. PSU upgrade for Meitner PA6i Preamp
  61. Marantz M7C HT Regulator Adjustment
  62. Power Supply for ancient Goldmund Mimesis 10 DAC
  63. How do I limit current flow from a Car battery to an amp?
  64. power supply rail voltage too high
  65. Calculating input current
  66. Duel supply from 12V battery
  67. Moved: EU transformer for an Hafler 9505 Transnova?
  68. Store/latch fault signal
  69. Testing a New Design Shunt Regulator
  70. Failed attempt of Jung/Didden superreg PCB redesign
  71. Can I run a CB radio and Sub off of 1 amplifier?
  72. 317/337 based virtual ground PS
  73. When split supply from a single gives uneven rail voltages...
  74. Filtering the HF hash of a SMPS
  75. Reduce Transformer Output?
  76. Building the SBT PSU
  77. Art Audio Quintett Schematics
  78. I need a simple compact rectification & smoothing circuit to power 5v/12v electronics
  79. SMPS advice for headphone amp
  80. thyristor reset
  81. PS for Musical Fidelity V90 DAC
  82. Help please, I'm almost there fixing a SMPS!
  83. Notebook power supply and tube heater
  84. How to start PSU without motherboard - Dell PowerEdge 6850 1470W
  85. Beta testers wanted for discrete regulator
  86. simple zener string for psu regulation for ICs
  87. Use inductors to prevent diode-caused oscillation?
  88. Need wiring help for dual rail in R core
  89. Cap Multiplier: Before or After the Regulator?
  90. Audio Power Tranformer with 6 Primary Wires
  91. Capacitors battle Cheap vs Slighty Expensive
  92. Mystery load current spike in dual rail 9V low-battery cutoff circuit
  93. Schematic for LR8 IRF840 variable PSU?
  94. Half-Bridge SMPS with PFC
  95. Era Transpac LC325 5a power supply question
  96. 24VAC 50VA transformer project suggestion
  97. Coil for Active PFC stage
  98. SU power calcs
  99. power solutions for portable 19-24v tpa3116
  100. SMPS welding inverter soft LVI switcher.
  101. Fusing an SMPS
  102. 2400VA
  103. 10kW SMPS Amorphous / Nanocrystaline core
  104. TPS7A49 ultra low noise LDO - trouble
  105. Cooling of bridge rectifier
  106. nuforce icon hdp power supply
  107. Yet Another Transformer Identification Thread
  108. Asking about Power supply #PS1 of Audible Illusions
  109. Odd taps on Raphaelite PT
  110. old diode
  111. SMPS capacitance questions
  112. Best option for 9V rechargeable batteries
  113. Replacing diodes with Schottky type ones in PS - any drawbacks ?
  114. Old Style DCB1 vs Hot Rod DCB1? whats the difference in sch?
  115. Salas Extended version?
  116. Weird voltages on toroidal transformer output
  117. 20Amp upto 90V shunt Reg simpler version
  118. Noise reduction with massive choke?
  119. A little tester to determine transformer PhaseDots with no scope or signal generator
  120. Please help to choose a step-down controller chip
  121. Microphone pre-amp phantom supply
  122. TPS7A4001 vs Salas shunt Reg
  123. Synchronous Rectifier Controller
  124. Amp power Supply
  125. One secondary voltage and two biases
  126. 6 tap auto transformer/Variac help please
  127. general smps power supply troubleshooting question
  128. Mains filtering for a digital equipment.
  129. My spin of a DC filter board
  130. Power Supply Caps - Standard vs Audio
  131. Specification of a toroidal transformer
  132. looking for diodes
  133. 12V trigger and triac
  134. LM317 Based Tracking Preregulator Dual PSU
  135. Can i use SMPS as a Toroidal transformer?
  136. Powering Stompboxes With Dual Supply From A Single Battery
  137. Supply capacitors for Voltage Regulators
  138. LT1963A & LT3015
  139. Why use tubes in the power supply?
  140. Board mount SMPS for a preamp or active crossover
  141. ir remote, control signal, or audio input power on circuitry?
  142. Filter Cap Question for Power Regulators
  143. Waveform deformation and voltage drop in transformer
  144. Building my own Voltage Regulator
  145. Building a 3,3 volt rechargeable circuit
  146. 4 Pole AC Mains
  147. Quad 303 main caps 5600uf too much?
  148. PSU rectifiers (alternative to On-semi B40250TG)
  149. having problem with negative salas
  150. signal ground to earth connection
  151. Stabilizing DC heaters [newbie]
  152. Ohm's Law application: choosing a resistor
  153. Tube power supply.
  154. Ceramic caps & Piezzo noise on digital stufs
  155. Induced buzz in Hammond 374bx
  156. Identyfying ferrite core material
  157. capacitor across main power switch
  158. Can a toroidal transformers be replaced with batteries?
  159. 10x8 Raw DC board with CR(L)C filter
  160. DC-DC converters
  161. Quick PS inrush limiting (NTC) question
  162. Newbie looking for a 12v 3a PSU
  163. toroidal transformers
  164. Linear Integrated Circuits and MOSFETs, RCA Solid State Division, Somerville, NJ, 197
  165. LM338
  166. Current Feed back Power LDO regulator
  167. Thru hole bridge rectifier question
  168. Troubleshooting a blown fuse
  169. Help with chokes
  170. Duncan Amps PSU II: Locked Files
  171. Raspberry PI PSU with TPS7A8300 5V 2A
  172. Can anyone tell me something about my torodials
  173. Low noise toroidal transformer vs Normal toroidal
  174. Proper supply impedance for opamp
  175. High Power Constant Current Power Supply Designs
  176. 12v 100W-150W amplifier or supply for one
  177. audiophonics: power on and delay softstart board
  178. Shunt regulator circuit wanted
  179. SMPS failure. IR21531. Please help.
  180. one power supply for two mixers? possible ?
  181. SMPS overload protection specs
  182. OT (a little): 24 VDC power supply for control system
  183. inrush current limiter
  184. Twist on PS for Car audio amp
  185. any information on this odd power supply?
  186. Heat Dissapation in Voltage Follower Regulator
  187. Convert a System to Single Battery DC Use: Amp Circuit Req. 24v-0-24v
  188. Look ma, no center tap
  189. Help designing LM338 PS
  190. toroidal wiring
  191. upgrade suggestion 645vdc supply
  192. 12V to 19.5V Laptop Computer Boost Converter
  193. Need some help with wiring a SMPS800RS
  194. PSU Smoothing caps change, Now 1 of the internal fuses blows on power up, help :-o
  195. Switching power supplies and stability?
  196. Broadband Noise
  197. Thermal Cutoff Fuse
  198. Understanding PSU requirements for class D
  199. SG3525 ferrite transformer calculation
  200. XLR cable?
  201. Advice on power supply servicing
  202. transformer question
  203. Look for the schematic of the old radio power-supply Schaub Lorenz NG 1000
  204. whats the cheapest way to get 15000uf?
  205. Phantom power from 9V
  206. Build DIY rectifier or buy premade one from Sure?
  207. Power Supply math question .. Hurrah!
  208. Powering amp that needs 2x18V with 2x12V trafo?
  209. Systron Donner TL8-3 Trygon Power Supply repair
  210. Linn Lingo Power Supply, 1994 model breaking down
  211. [NEW] SoftStart+Push Button V1.0
  212. TAS5630 VDD Supply
  213. difference between trafo's
  214. First-Time DIY Power Supply: Capacitor Help
  215. Possible phono power supply?
  216. Sorces/recommendations for Amp Camp Amp PSU?
  217. Got a 6-0-6 v ca 72 VA transformer, what should I do with it?
  218. Should I go off the Bridge or off the regulated supply?
  219. Viz Isotap II
  220. PSU Works on breadboard NOT on PCB?
  221. definitive MOT usage
  222. Looking for a small off the shelf SMPS for active speaker filter
  223. Illustration of critical inductance
  224. Stupid Question?
  225. Power Conditioner?
  226. Build Your Own Transformer
  227. High Voltage adjustable Maida supply problem
  228. Headscratching with voltage & low leakage
  229. Shared power supply
  230. 5v, 3A Linear PS for Pi2/DAC
  231. What does preamp PSU oscillation look like for linear regulators?
  232. 2x18v(0-18v and 0-18v) transformer as a dual transformer
  233. HQ Low noise 4-quadrant PSU with 2xLM3886
  234. NTC thermal shutdown
  235. Drop Wall Wart from 12v AC to 9v AC output
  236. Wima DC-Link as filter cap
  237. Better than a wall wart?
  238. Toroid EMF pickup.
  239. Krell KAV 300CD Transformer Outputs
  240. Power supply for car audio Kenwood DDX5901HD for home use?
  241. FUSE on psu output
  242. 1kW resonant SMPS
  243. Big large capacitor or many small type ?
  244. Boost Converter for Car Audio TPA3116D2
  245. power transformer for Glassware PS-4
  246. What's a voltage regulator for a digital circuit's favourite power supply?
  247. High Voltage Regulated 0-300 supply schematic
  248. Yet another ultra low noise high PSRR LDO - LT3042
  249. Is This Power Supply Possible
  250. Simple push pull design

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