View Full Version : Power Supplies

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  1. One power supply for 2 amp chips
  2. Technical note from repair of Crown XLS 602
  3. When does a centre tap become a 0 volt/ground line?
  5. Power Supply for 4 channels of Hypex UCD 180
  6. Transformer question
  7. circuit to identify the ground and Neutral and turn on the amp
  8. How to mount a bunch of snap-in caps?
  9. Question about a LM317 circuit
  10. Using an LM317/Lm337 PCB to make a zener regulated or capacitance multiplier supply
  11. Snubber won't supress PSU rectifier noise
  12. Jung regulator revisited
  13. Duel rectified linear power supply drawing for copper clad
  14. Tamura A-4004 question
  15. 15V power supply output voltage help
  16. 3 Pin Power Supply
  17. Battery supply questions
  18. HP DPS-800GBA; Getting stand-alone PS to work
  19. Charging/maintaining 18v of SLA battery with 20v laptop PSU?
  20. Voltage Regulator FIltering Caps
  21. 5Z3C or 5Z8C for a GM70 PSU?
  22. need a little help with identification PT
  23. Fender Transformers
  24. Switch for High Voltage Taps
  25. A bit of fun with this very unusual LDO regulator
  26. password control panel generator set
  27. Noob needs a quick help
  28. Big choke Little choke
  29. Is there any good 12v power bank?
  30. LM10 as HV regulator
  31. Indicator light in bleeder circuit to indicate when Caps are still charged
  32. Need a Beefy (600ma, 250V) Regulated B+ for an OTL
  33. TSE Power Supply
  34. How Do I Modify Commercial LM723 Regulator Circuits
  35. Unusual Centre Tapped Transformer
  36. Sun Fender SR8520 P mixer
  37. Audio concepts legend C30 pre amp
  38. Fully regulated power supply
  39. Treating dual primaries like one is a secondary
  40. Vinni Rossi Pure DC-4-EVR Ultracapacitor Technology
  41. I need a 24vdc, 5 amp regulated supply
  42. AC Power Problem
  43. Please help me find a power supply for this dac/amp that claims to take anything with
  44. diy power supply
  45. simple low noise regulated supply
  46. nominal current
  47. Thermal considerations for Fairchild SDIP bridge rectifiers
  48. Noisy LR8 circuit
  49. LM7805
  50. Rod Coleman raw supply circuit board
  51. Longwell plug top with LPF
  52. Regulated Power supply for amp
  53. Replacing power supply capcitors on Laney amp
  54. Power supply board with loudspeakers protection
  55. elliot smps project89
  56. Xentek XE240-12
  57. Capacitance
  58. Isolated sub chassis
  59. HOT ROD Dcb1 questions
  60. Adding Primary Turns to reduce the Secondary Voltage.
  61. First power supply clarification questions
  62. double the current, keep the voltage?
  63. HV Tube bench power supply
  64. HV Supply in Heathkit
  65. Is This a Bad idea? -"Capacitor box"
  66. Hgh current regulators
  67. Can anyone identify this power supply noise?
  68. Some help with building a battery power supply
  69. DIY filament PS for 6AS7G
  70. basic question about audio power
  71. Dropping Transformer Voltage
  72. 230V Distribution Box with DC blocker and 2 stage AC Filter
  73. Need help about Toroidal transformer core
  74. inductor in series with transformer primary to reduce secondary voltage?
  75. Need to drop vdc voltage in my B+ supply
  76. Help me to find this power recepticle.
  77. how to wire antek transformator to E-01 AMP?
  78. Capacitor bank for ps supply filter
  79. Ultra-Fast Avalanche Sinterglass Diode for small current psu rectification?
  80. Salas Bib questions
  81. Power supply CD PRO2
  82. Connect to what?
  83. Converting my Sun Audio monoblocks to IEC and safety earth
  84. Luxman RV-357 Standby LED Indicator???
  85. dc/dc isolated transformer
  86. 3-pin PSU's for 1.2V, 3.3V and 5V?
  87. Marantz PM4400 - Change 230V to 115V
  88. output impedance in shunt reg sim
  89. Need Power Supply
  90. Power relay
  91. 5AR4 in a input choke
  92. Question on Vacuum State SuperReg
  93. 48V phantom power supply keeps blowing fuse
  94. Laminations - who needs 'em
  95. What choke is best
  96. Which power cable between separate power supply and dac?
  97. 4-pole cap in bipolar power supply
  98. Variable Power Supply
  99. ATX supply -> Cmoy, single or split?
  100. xd218 4x10000uF 100v board
  101. Variable-delay output muting PCB for preamps, linestages, et al
  102. Single touch power on/off switch
  103. NAD VISO 1 Power Supply
  104. LLC resonant power suply design
  105. Noob Trafo question
  106. Power supply ratings when using step down voltage regulators
  107. Stacking board level heatsinks
  108. Proper RC Snubbering
  109. Help lowering noise in big series pass regulator circuit
  110. Bucking transformer current load
  111. Leakage inductance of a transformer
  112. Lithium-ion power bank
  113. Help with discrete voltage regulator
  114. LiFePO4 battery psu for PUC2 Lite USB-AES converter
  115. Boost Converter w/ positive AND negative output
  116. 55 MHz opamp + MOSFET pass xitor in 1 amp Voltage Regulator
  117. Multipurpose Transfo,Dual (+/-)DC Power for Pre and Power Amp 's
  118. Harman Kardon HK775 mono amp capacitor power rating
  119. Reccomend a small transformer for power supply?
  120. designing a DC to DC buck converter Layout errors.
  121. Help with inductor and capacitor values?
  122. Dual Transformer Power Supply Chassis Grounding?
  123. Power conditioning IEC inlet filter with earth line choke?
  124. power supply for tda7294
  125. Mosfet suply switching steps 3 p / class H amplifier
  126. Pros and cons of using Dual transformers in amplifier
  127. Switchmode ICs
  128. smoothing caps getting warm
  129. ARC SP8 tube reg rebuild
  130. Noob Question: Wiring a battery system
  131. Input switch / Mute delay using 555
  132. B+ ripple filler filtering
  133. Nat Semi datasheet app note improved my power supply
  134. DIY mains synthesizer
  135. Schematic and measuring results for Connexelectronic SMPS300RE
  136. A good power supply for the LDR attenuator?
  137. r core for drd amp
  138. Strange part in Mcintosh MC-225 power supply - please help
  139. How do I Wire this switch?
  140. Wallwart PS Suppliers
  141. Power supply questions for modular DAC project
  142. Floating PSU
  143. Fusing transformers
  144. PSU Question
  145. Can I connect 2 LM317 regulators to dual supply rail?
  146. Switchmode transformer
  147. power supply wire 6 and 7
  148. Need Help with Power Supply for TDA7294 Chip Amp
  149. Damaged Transformer?
  150. Diode help! 18VAC --> diodes --> CRC 44mF-0.22R-44mF --> 24VDC @ 1.5-2.0A
  151. Would it be better to have the AC power supply in an external case
  152. PSU's for modular DAC, by a novice. Questions
  153. advantages of 2 power transformers
  154. +/- 120V,12mA from +12V using flyback?
  155. SMPS making
  156. Big size and low capacitance - are there any rules?
  157. How do I determine polarity on a dual primary toroid?
  158. Mains Filter
  159. Stomp box supply
  160. Replacing transformer with DC power
  161. AA DLC PS Solution
  162. Another PSU Transient Load Tester ("chop chop box")
  163. Need Help with TDA2052 Power Supply
  164. Transformer got really hot because I wired it wrong
  165. 12VDC Linear PSU
  166. Full wave center tapped power supply defies the laws of physics
  167. 1.2 kW regulated power supply
  168. 0-50V 0-10A Variable SMPS
  169. need help with battery selection for my amp
  170. First PSU Build help!!!
  171. Suitable chips for 15v down to 3.3v
  172. PSU sizing and limiting input gain for targeted output / THD ??
  173. MAX1771 stability issues
  174. Is this transformer a good start for a class D amp power supply?
  175. Circuit reduces PS noise by up to 26db
  176. using lundahl anode chokes for power supply
  177. Tungar Power Supply
  178. TL783, extending voltage range
  179. Distorted sine wave on transformer secondary...
  180. half bridge secondary voltage
  181. What swhitch to use for diy amp
  182. Two transformers
  183. Which Universal PSU for various AMP builds?
  184. Speed control for 120vac fan that does not add noise
  185. Can i buld a 5V DC PSU using Toroidal 15V @ 30VA
  186. 5V +/- Powersupply feedback
  187. humming sound
  188. Alternatives for MJ4502 and LM301A
  189. Toroid transformer winding
  190. Isolation transformer - does a cap on the secondary give any benefit?
  191. Stepdown trafo and possible rewind......
  192. What's A Good replcement transforer for Adcom GFA 535
  193. Counterpoint SA3000 power supply
  194. tracking down a possible electrical problem
  195. A puzzler of sorts (grounding problem).
  196. LM317 + 2 Transistors "Class A" Regulator?
  197. Voltage Regulator Question
  198. Heat sink insulators for Indigo "Bash" plate amplifier switching power supply
  199. PSU upgrade for Meitner PA6i Preamp
  200. Marantz M7C HT Regulator Adjustment
  201. Power Supply for ancient Goldmund Mimesis 10 DAC
  202. How do I limit current flow from a Car battery to an amp?
  203. power supply rail voltage too high
  204. Calculating input current
  205. Duel supply from 12V battery
  206. Moved: EU transformer for an Hafler 9505 Transnova?
  207. Store/latch fault signal
  208. Testing a New Design Shunt Regulator
  209. Failed attempt of Jung/Didden superreg PCB redesign
  210. Can I run a CB radio and Sub off of 1 amplifier?
  211. 317/337 based virtual ground PS
  212. When split supply from a single gives uneven rail voltages...
  213. Filtering the HF hash of a SMPS
  214. Reduce Transformer Output?
  215. Building the SBT PSU
  216. Art Audio Quintett Schematics
  217. I need a simple compact rectification & smoothing circuit to power 5v/12v electronics
  218. SMPS advice for headphone amp
  219. thyristor reset
  220. PS for Musical Fidelity V90 DAC
  221. Help please, I'm almost there fixing a SMPS!
  222. Notebook power supply and tube heater
  223. How to start PSU without motherboard - Dell PowerEdge 6850 1470W
  224. Beta testers wanted for discrete regulator
  225. simple zener string for psu regulation for ICs
  226. Use inductors to prevent diode-caused oscillation?
  227. Need wiring help for dual rail in R core
  228. Cap Multiplier: Before or After the Regulator?
  229. Audio Power Tranformer with 6 Primary Wires
  230. Capacitors battle Cheap vs Slighty Expensive
  231. Mystery load current spike in dual rail 9V low-battery cutoff circuit
  232. Schematic for LR8 IRF840 variable PSU?
  233. Half-Bridge SMPS with PFC
  234. Era Transpac LC325 5a power supply question
  235. 24VAC 50VA transformer project suggestion
  236. Coil for Active PFC stage
  237. SU power calcs
  238. power solutions for portable 19-24v tpa3116
  239. SMPS welding inverter soft LVI switcher.
  240. Fusing an SMPS
  241. 2400VA
  242. 10kW SMPS Amorphous / Nanocrystaline core
  243. TPS7A49 ultra low noise LDO - trouble
  244. Cooling of bridge rectifier
  245. nuforce icon hdp power supply
  246. Yet Another Transformer Identification Thread
  247. Asking about Power supply #PS1 of Audible Illusions
  248. Odd taps on Raphaelite PT
  249. old diode
  250. SMPS capacitance questions

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