View Full Version : Power Supplies

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  1. Boost Converter w/ positive AND negative output
  2. 55 MHz opamp + MOSFET pass xitor in 1 amp Voltage Regulator
  3. Multipurpose Transfo,Dual (+/-)DC Power for Pre and Power Amp 's
  4. Harman Kardon HK775 mono amp capacitor power rating
  5. Reccomend a small transformer for power supply?
  6. designing a DC to DC buck converter Layout errors.
  7. Power supply for tube preamp - Help!
  8. Help with inductor and capacitor values?
  9. power supply
  10. Power transformer question
  11. Dual Transformer Power Supply Chassis Grounding?
  12. Power conditioning IEC inlet filter with earth line choke?
  13. power supply for tda7294
  14. Mosfet suply switching steps 3 p / class H amplifier
  15. Pros and cons of using Dual transformers in amplifier
  16. Switchmode ICs
  17. smoothing caps getting warm
  18. ARC SP8 tube reg rebuild
  19. Noob Question: Wiring a battery system
  20. Input switch / Mute delay using 555
  21. B+ ripple filler filtering
  22. Hot chassis death traps
  23. 300V & 12.6V regulated power supply.
  24. Nat Semi datasheet app note improved my power supply
  25. DIY mains synthesizer
  26. Schematic and measuring results for Connexelectronic SMPS300RE
  27. Is this how to create a full wave rectifier?
  28. A good power supply for the LDR attenuator?
  29. r core for drd amp
  30. Strange part in Mcintosh MC-225 power supply - please help
  31. How do I Wire this switch?
  32. Wallwart PS Suppliers
  33. Replacing caps 50uf with 47UF
  34. Power supply questions for modular DAC project
  35. Floating PSU
  36. Fusing transformers
  37. Where can buy those earthing rods?
  38. PSU Question
  39. Can I connect 2 LM317 regulators to dual supply rail?
  40. VA rating needed for Single End Power Supply
  41. Evaluating Tube Diodes as Rectifiers
  42. Switchmode transformer
  43. power supply wire 6 and 7
  44. Need Help with Power Supply for TDA7294 Chip Amp
  45. Damaged Transformer?
  46. Diode help! 18VAC --> diodes --> CRC 44mF-0.22R-44mF --> 24VDC @ 1.5-2.0A
  47. Would it be better to have the AC power supply in an external case
  48. PSU's for modular DAC, by a novice. Questions
  49. advantages of 2 power transformers
  50. +/- 120V,12mA from +12V using flyback?
  51. SMPS making
  52. GZ32 vs ss rectifier
  53. Big size and low capacitance - are there any rules?
  54. How do I determine polarity on a dual primary toroid?
  55. Mains Filter
  56. Stomp box supply
  57. Replacing transformer with DC power
  58. AA DLC PS Solution
  59. Another PSU Transient Load Tester ("chop chop box")
  60. Need Help with TDA2052 Power Supply
  61. Transformer got really hot because I wired it wrong
  62. 12VDC Linear PSU
  63. Full wave center tapped power supply defies the laws of physics
  64. 1.2 kW regulated power supply
  65. Two-section 500V electrolytic caps for cheap (new production)
  66. 0-50V 0-10A Variable SMPS
  67. need help with battery selection for my amp
  68. Tube power supply
  69. First PSU Build help!!!
  70. Suitable chips for 15v down to 3.3v
  71. When to use artificial center tap
  72. PSU sizing and limiting input gain for targeted output / THD ??
  73. MAX1771 stability issues
  74. Is this transformer a good start for a class D amp power supply?
  75. Circuit reduces PS noise by up to 26db
  76. using lundahl anode chokes for power supply
  77. Tungar Power Supply
  78. TL783, extending voltage range
  79. Distorted sine wave on transformer secondary...
  80. half bridge secondary voltage
  81. What swhitch to use for diy amp
  82. Two transformers
  83. Which Universal PSU for various AMP builds?
  84. Speed control for 120vac fan that does not add noise
  85. Can i buld a 5V DC PSU using Toroidal 15V @ 30VA
  86. 5V +/- Powersupply feedback
  87. humming sound
  88. Alternatives for MJ4502 and LM301A
  89. Toroid transformer winding
  90. Isolation transformer - does a cap on the secondary give any benefit?
  91. Stepdown trafo and possible rewind......
  92. What's A Good replcement transforer for Adcom GFA 535
  93. Counterpoint SA3000 power supply
  94. tracking down a possible electrical problem
  95. A puzzler of sorts (grounding problem).
  96. LM317 + 2 Transistors "Class A" Regulator?
  97. Voltage Regulator Question
  98. Heat sink insulators for Indigo "Bash" plate amplifier switching power supply
  99. PSU upgrade for Meitner PA6i Preamp
  100. Marantz M7C HT Regulator Adjustment
  101. Power Supply for ancient Goldmund Mimesis 10 DAC
  102. How do I limit current flow from a Car battery to an amp?
  103. power supply rail voltage too high
  104. Calculating input current
  105. Duel supply from 12V battery
  106. Moved: EU transformer for an Hafler 9505 Transnova?
  107. Store/latch fault signal
  108. Testing a New Design Shunt Regulator
  109. Failed attempt of Jung/Didden superreg PCB redesign
  110. Can I run a CB radio and Sub off of 1 amplifier?
  111. 317/337 based virtual ground PS
  112. When split supply from a single gives uneven rail voltages...
  113. Filtering the HF hash of a SMPS
  114. Reduce Transformer Output?
  115. Building the SBT PSU
  116. Art Audio Quintett Schematics
  117. I need a simple compact rectification & smoothing circuit to power 5v/12v electronics
  118. SMPS advice for headphone amp
  119. thyristor reset
  120. PS for Musical Fidelity V90 DAC
  121. Help please, I'm almost there fixing a SMPS!
  122. Notebook power supply and tube heater
  123. How to start PSU without motherboard - Dell PowerEdge 6850 1470W
  124. Beta testers wanted for discrete regulator
  125. simple zener string for psu regulation for ICs
  126. Use inductors to prevent diode-caused oscillation?
  127. Need wiring help for dual rail in R core
  128. Cap Multiplier: Before or After the Regulator?
  129. Audio Power Tranformer with 6 Primary Wires
  130. Capacitors battle Cheap vs Slighty Expensive
  131. Mystery load current spike in dual rail 9V low-battery cutoff circuit
  132. Schematic for LR8 IRF840 variable PSU?
  133. Half-Bridge SMPS with PFC
  134. Era Transpac LC325 5a power supply question
  135. 24VAC 50VA transformer project suggestion
  136. Coil for Active PFC stage
  137. SU power calcs
  138. power solutions for portable 19-24v tpa3116
  139. SMPS welding inverter soft LVI switcher.
  140. Fusing an SMPS
  141. 2400VA
  142. 10kW SMPS Amorphous / Nanocrystaline core
  143. TPS7A49 ultra low noise LDO - trouble
  144. Cooling of bridge rectifier
  145. nuforce icon hdp power supply
  146. Yet Another Transformer Identification Thread
  147. Asking about Power supply #PS1 of Audible Illusions
  148. Odd taps on Raphaelite PT
  149. old diode
  150. SMPS capacitance questions
  151. Best option for 9V rechargeable batteries
  152. Replacing diodes with Schottky type ones in PS - any drawbacks ?
  153. Old Style DCB1 vs Hot Rod DCB1? whats the difference in sch?
  154. Salas Extended version?
  155. Weird voltages on toroidal transformer output
  156. 20Amp upto 90V shunt Reg simpler version
  157. Noise reduction with massive choke?
  158. A little tester to determine transformer PhaseDots with no scope or signal generator
  159. Please help to choose a step-down controller chip
  160. Microphone pre-amp phantom supply
  161. TPS7A4001 vs Salas shunt Reg
  162. Synchronous Rectifier Controller
  163. Amp power Supply
  164. One secondary voltage and two biases
  165. 6 tap auto transformer/Variac help please
  166. general smps power supply troubleshooting question
  167. Mains filtering for a digital equipment.
  168. My spin of a DC filter board
  169. Power Supply Caps - Standard vs Audio
  170. Specification of a toroidal transformer
  171. looking for diodes
  172. 12V trigger and triac
  173. LM317 Based Tracking Preregulator Dual PSU
  174. Can i use SMPS as a Toroidal transformer?
  175. Powering Stompboxes With Dual Supply From A Single Battery
  176. Supply capacitors for Voltage Regulators
  177. LT1963A & LT3015
  178. Why use tubes in the power supply?
  179. Board mount SMPS for a preamp or active crossover
  180. ir remote, control signal, or audio input power on circuitry?
  181. Filter Cap Question for Power Regulators
  182. Waveform deformation and voltage drop in transformer
  183. Building my own Voltage Regulator
  184. Building a 3,3 volt rechargeable circuit
  185. 4 Pole AC Mains
  186. Quad 303 main caps 5600uf too much?
  187. PSU rectifiers (alternative to On-semi B40250TG)
  188. having problem with negative salas
  189. signal ground to earth connection
  190. Stabilizing DC heaters [newbie]
  191. Ohm's Law application: choosing a resistor
  192. Tube power supply.
  193. Ceramic caps & Piezzo noise on digital stufs
  194. Induced buzz in Hammond 374bx
  195. Identyfying ferrite core material
  196. capacitor across main power switch
  197. Can a toroidal transformers be replaced with batteries?
  198. 10x8 Raw DC board with CR(L)C filter
  199. DC-DC converters
  200. Quick PS inrush limiting (NTC) question
  201. Newbie looking for a 12v 3a PSU
  202. toroidal transformers
  203. Linear Integrated Circuits and MOSFETs, RCA Solid State Division, Somerville, NJ, 197
  204. LM338
  205. Current Feed back Power LDO regulator
  206. Thru hole bridge rectifier question
  207. Troubleshooting a blown fuse
  208. Help with chokes
  209. Duncan Amps PSU II: Locked Files
  210. Raspberry PI PSU with TPS7A8300 5V 2A
  211. Can anyone tell me something about my torodials
  212. Low noise toroidal transformer vs Normal toroidal
  213. Proper supply impedance for opamp
  214. High Power Constant Current Power Supply Designs
  215. 12v 100W-150W amplifier or supply for one
  216. audiophonics: power on and delay softstart board
  217. Shunt regulator circuit wanted
  218. SMPS failure. IR21531. Please help.
  219. one power supply for two mixers? possible ?
  220. SMPS overload protection specs
  221. OT (a little): 24 VDC power supply for control system
  222. inrush current limiter
  223. Twist on PS for Car audio amp
  224. any information on this odd power supply?
  225. Heat Dissapation in Voltage Follower Regulator
  226. Convert a System to Single Battery DC Use: Amp Circuit Req. 24v-0-24v
  227. Look ma, no center tap
  228. Help designing LM338 PS
  229. toroidal wiring
  230. upgrade suggestion 645vdc supply
  231. 12V to 19.5V Laptop Computer Boost Converter
  232. Need some help with wiring a SMPS800RS
  233. PSU Smoothing caps change, Now 1 of the internal fuses blows on power up, help :-o
  234. Switching power supplies and stability?
  235. Broadband Noise
  236. Thermal Cutoff Fuse
  237. Understanding PSU requirements for class D
  238. SG3525 ferrite transformer calculation
  239. XLR cable?
  240. Advice on power supply servicing
  241. transformer question
  242. Look for the schematic of the old radio power-supply Schaub Lorenz NG 1000
  243. whats the cheapest way to get 15000uf?
  244. Phantom power from 9V
  245. Build DIY rectifier or buy premade one from Sure?
  246. Power Supply math question .. Hurrah!
  247. Powering amp that needs 2x18V with 2x12V trafo?
  248. Systron Donner TL8-3 Trygon Power Supply repair
  249. Linn Lingo Power Supply, 1994 model breaking down
  250. [NEW] SoftStart+Push Button V1.0

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