View Full Version : Power Supplies

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  1. Leakage inductance of a transformer
  2. Lithium-ion power bank
  3. Help with discrete voltage regulator
  4. LiFePO4 battery psu for PUC2 Lite USB-AES converter
  5. Boost Converter w/ positive AND negative output
  6. 55 MHz opamp + MOSFET pass xitor in 1 amp Voltage Regulator
  7. Multipurpose Transfo,Dual (+/-)DC Power for Pre and Power Amp 's
  8. Harman Kardon HK775 mono amp capacitor power rating
  9. Reccomend a small transformer for power supply?
  10. designing a DC to DC buck converter Layout errors.
  11. Help with inductor and capacitor values?
  12. Dual Transformer Power Supply Chassis Grounding?
  13. Power conditioning IEC inlet filter with earth line choke?
  14. power supply for tda7294
  15. Mosfet suply switching steps 3 p / class H amplifier
  16. Pros and cons of using Dual transformers in amplifier
  17. Switchmode ICs
  18. smoothing caps getting warm
  19. ARC SP8 tube reg rebuild
  20. Noob Question: Wiring a battery system
  21. Input switch / Mute delay using 555
  22. B+ ripple filler filtering
  23. Nat Semi datasheet app note improved my power supply
  24. DIY mains synthesizer
  25. Schematic and measuring results for Connexelectronic SMPS300RE
  26. A good power supply for the LDR attenuator?
  27. r core for drd amp
  28. Strange part in Mcintosh MC-225 power supply - please help
  29. How do I Wire this switch?
  30. Wallwart PS Suppliers
  31. Power supply questions for modular DAC project
  32. Floating PSU
  33. Fusing transformers
  34. PSU Question
  35. Can I connect 2 LM317 regulators to dual supply rail?
  36. Switchmode transformer
  37. power supply wire 6 and 7
  38. Need Help with Power Supply for TDA7294 Chip Amp
  39. Damaged Transformer?
  40. Diode help! 18VAC --> diodes --> CRC 44mF-0.22R-44mF --> 24VDC @ 1.5-2.0A
  41. Would it be better to have the AC power supply in an external case
  42. PSU's for modular DAC, by a novice. Questions
  43. advantages of 2 power transformers
  44. +/- 120V,12mA from +12V using flyback?
  45. SMPS making
  46. Big size and low capacitance - are there any rules?
  47. How do I determine polarity on a dual primary toroid?
  48. Mains Filter
  49. Stomp box supply
  50. Replacing transformer with DC power
  51. AA DLC PS Solution
  52. Another PSU Transient Load Tester ("chop chop box")
  53. Need Help with TDA2052 Power Supply
  54. Transformer got really hot because I wired it wrong
  55. 12VDC Linear PSU
  56. Full wave center tapped power supply defies the laws of physics
  57. 1.2 kW regulated power supply
  58. 0-50V 0-10A Variable SMPS
  59. need help with battery selection for my amp
  60. First PSU Build help!!!
  61. Suitable chips for 15v down to 3.3v
  62. PSU sizing and limiting input gain for targeted output / THD ??
  63. MAX1771 stability issues
  64. Is this transformer a good start for a class D amp power supply?
  65. Circuit reduces PS noise by up to 26db
  66. using lundahl anode chokes for power supply
  67. Tungar Power Supply
  68. TL783, extending voltage range
  69. Distorted sine wave on transformer secondary...
  70. half bridge secondary voltage
  71. What swhitch to use for diy amp
  72. Two transformers
  73. Which Universal PSU for various AMP builds?
  74. Speed control for 120vac fan that does not add noise
  75. Can i buld a 5V DC PSU using Toroidal 15V @ 30VA
  76. 5V +/- Powersupply feedback
  77. humming sound
  78. Alternatives for MJ4502 and LM301A
  79. Toroid transformer winding
  80. Isolation transformer - does a cap on the secondary give any benefit?
  81. Stepdown trafo and possible rewind......
  82. What's A Good replcement transforer for Adcom GFA 535
  83. Counterpoint SA3000 power supply
  84. tracking down a possible electrical problem
  85. A puzzler of sorts (grounding problem).
  86. LM317 + 2 Transistors "Class A" Regulator?
  87. Voltage Regulator Question
  88. Heat sink insulators for Indigo "Bash" plate amplifier switching power supply
  89. PSU upgrade for Meitner PA6i Preamp
  90. Marantz M7C HT Regulator Adjustment
  91. Power Supply for ancient Goldmund Mimesis 10 DAC
  92. How do I limit current flow from a Car battery to an amp?
  93. power supply rail voltage too high
  94. Calculating input current
  95. Duel supply from 12V battery
  96. Moved: EU transformer for an Hafler 9505 Transnova?
  97. Store/latch fault signal
  98. Testing a New Design Shunt Regulator
  99. Failed attempt of Jung/Didden superreg PCB redesign
  100. Can I run a CB radio and Sub off of 1 amplifier?
  101. 317/337 based virtual ground PS
  102. When split supply from a single gives uneven rail voltages...
  103. Filtering the HF hash of a SMPS
  104. Reduce Transformer Output?
  105. Building the SBT PSU
  106. Art Audio Quintett Schematics
  107. I need a simple compact rectification & smoothing circuit to power 5v/12v electronics
  108. SMPS advice for headphone amp
  109. thyristor reset
  110. PS for Musical Fidelity V90 DAC
  111. Help please, I'm almost there fixing a SMPS!
  112. Notebook power supply and tube heater
  113. How to start PSU without motherboard - Dell PowerEdge 6850 1470W
  114. Beta testers wanted for discrete regulator
  115. simple zener string for psu regulation for ICs
  116. Use inductors to prevent diode-caused oscillation?
  117. Need wiring help for dual rail in R core
  118. Cap Multiplier: Before or After the Regulator?
  119. Audio Power Tranformer with 6 Primary Wires
  120. Capacitors battle Cheap vs Slighty Expensive
  121. Mystery load current spike in dual rail 9V low-battery cutoff circuit
  122. Schematic for LR8 IRF840 variable PSU?
  123. Half-Bridge SMPS with PFC
  124. Era Transpac LC325 5a power supply question
  125. 24VAC 50VA transformer project suggestion
  126. Coil for Active PFC stage
  127. SU power calcs
  128. power solutions for portable 19-24v tpa3116
  129. SMPS welding inverter soft LVI switcher.
  130. Fusing an SMPS
  131. 2400VA
  132. 10kW SMPS Amorphous / Nanocrystaline core
  133. TPS7A49 ultra low noise LDO - trouble
  134. Cooling of bridge rectifier
  135. nuforce icon hdp power supply
  136. Yet Another Transformer Identification Thread
  137. Asking about Power supply #PS1 of Audible Illusions
  138. Odd taps on Raphaelite PT
  139. old diode
  140. SMPS capacitance questions
  141. Best option for 9V rechargeable batteries
  142. Replacing diodes with Schottky type ones in PS - any drawbacks ?
  143. Old Style DCB1 vs Hot Rod DCB1? whats the difference in sch?
  144. Salas Extended version?
  145. Weird voltages on toroidal transformer output
  146. 20Amp upto 90V shunt Reg simpler version
  147. Noise reduction with massive choke?
  148. A little tester to determine transformer PhaseDots with no scope or signal generator
  149. Please help to choose a step-down controller chip
  150. Microphone pre-amp phantom supply
  151. TPS7A4001 vs Salas shunt Reg
  152. Synchronous Rectifier Controller
  153. Amp power Supply
  154. One secondary voltage and two biases
  155. 6 tap auto transformer/Variac help please
  156. general smps power supply troubleshooting question
  157. Mains filtering for a digital equipment.
  158. My spin of a DC filter board
  159. Power Supply Caps - Standard vs Audio
  160. Specification of a toroidal transformer
  161. looking for diodes
  162. 12V trigger and triac
  163. LM317 Based Tracking Preregulator Dual PSU
  164. Can i use SMPS as a Toroidal transformer?
  165. Powering Stompboxes With Dual Supply From A Single Battery
  166. Supply capacitors for Voltage Regulators
  167. LT1963A & LT3015
  168. Why use tubes in the power supply?
  169. Board mount SMPS for a preamp or active crossover
  170. ir remote, control signal, or audio input power on circuitry?
  171. Filter Cap Question for Power Regulators
  172. Waveform deformation and voltage drop in transformer
  173. Building my own Voltage Regulator
  174. Building a 3,3 volt rechargeable circuit
  175. 4 Pole AC Mains
  176. Quad 303 main caps 5600uf too much?
  177. PSU rectifiers (alternative to On-semi B40250TG)
  178. having problem with negative salas
  179. signal ground to earth connection
  180. Stabilizing DC heaters [newbie]
  181. Ohm's Law application: choosing a resistor
  182. Tube power supply.
  183. Ceramic caps & Piezzo noise on digital stufs
  184. Induced buzz in Hammond 374bx
  185. Identyfying ferrite core material
  186. capacitor across main power switch
  187. Can a toroidal transformers be replaced with batteries?
  188. 10x8 Raw DC board with CR(L)C filter
  189. Quick PS inrush limiting (NTC) question
  190. Newbie looking for a 12v 3a PSU
  191. toroidal transformers
  192. Linear Integrated Circuits and MOSFETs, RCA Solid State Division, Somerville, NJ, 197
  193. LM338
  194. Current Feed back Power LDO regulator
  195. Thru hole bridge rectifier question
  196. Troubleshooting a blown fuse
  197. Help with chokes
  198. Duncan Amps PSU II: Locked Files
  199. Noratel Toroidal transformers
  200. Raspberry PI PSU with TPS7A8300 5V 2A
  201. Can anyone tell me something about my torodials
  202. Low noise toroidal transformer vs Normal toroidal
  203. Proper supply impedance for opamp
  204. High Power Constant Current Power Supply Designs
  205. 12v 100W-150W amplifier or supply for one
  206. audiophonics: power on and delay softstart board
  207. Shunt regulator circuit wanted
  208. SMPS failure. IR21531. Please help.
  209. one power supply for two mixers? possible ?
  210. SMPS overload protection specs
  211. OT (a little): 24 VDC power supply for control system
  212. inrush current limiter
  213. Twist on PS for Car audio amp
  214. any information on this odd power supply?
  215. Heat Dissapation in Voltage Follower Regulator
  216. Convert a System to Single Battery DC Use: Amp Circuit Req. 24v-0-24v
  217. Look ma, no center tap
  218. Help designing LM338 PS
  219. toroidal wiring
  220. upgrade suggestion 645vdc supply
  221. 12V to 19.5V Laptop Computer Boost Converter
  222. Need some help with wiring a SMPS800RS
  223. PSU Smoothing caps change, Now 1 of the internal fuses blows on power up, help :-o
  224. Switching power supplies and stability?
  225. Broadband Noise
  226. Thermal Cutoff Fuse
  227. Understanding PSU requirements for class D
  228. SG3525 ferrite transformer calculation
  229. XLR cable?
  230. Advice on power supply servicing
  231. transformer question
  232. Look for the schematic of the old radio power-supply Schaub Lorenz NG 1000
  233. whats the cheapest way to get 15000uf?
  234. Phantom power from 9V
  235. Build DIY rectifier or buy premade one from Sure?
  236. Power Supply math question .. Hurrah!
  237. Powering amp that needs 2x18V with 2x12V trafo?
  238. Systron Donner TL8-3 Trygon Power Supply repair
  239. Linn Lingo Power Supply, 1994 model breaking down
  240. [NEW] SoftStart+Push Button V1.0
  241. TAS5630 VDD Supply
  242. difference between trafo's
  243. First-Time DIY Power Supply: Capacitor Help
  244. Possible phono power supply?
  245. Sorces/recommendations for Amp Camp Amp PSU?
  246. Got a 6-0-6 v ca 72 VA transformer, what should I do with it?
  247. Should I go off the Bridge or off the regulated supply?
  248. Viz Isotap II
  249. PSU Works on breadboard NOT on PCB?
  250. definitive MOT usage

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