View Full Version : Power Supplies

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  1. Conversion of +/-37v Amplifier SMPS +/-75vdc ?? PLEASE HELP
  2. A simplistic HV delay timer
  3. How to improve transient load response of an LM317 voltage regulator circuit?
  4. Technics SU-8080 Twin PSUs
  5. Do I really need a power supply for my home recording studio?
  6. Too much ampere into class D amp?
  7. Preregulation CRC for Belleson Regulators
  8. PSUD2 Help
  9. Toroidal Transformer Inrush & Capacitor Slow Charge
  10. R-Core Crash Course
  11. Output impedance of the LM317 at 1Mhz?
  12. Power Supply Rectifier question
  13. DC/DC from 12V to 240V@25mA example
  14. TL494 Getting Hot - Car Amp SMPS Fail
  15. Mr. Jung's ultra-low noise VREF - the GLED431
  16. Fixed -5v regulator for dac?
  17. Complete PSU with ADM715x regulator
  18. Triac / Optocoupler power switch
  19. Transformer coil for Naim 140 PSU advice
  20. United Chemi-con 35V 56,000uf cap power supply
  21. Removed hum in class a amp by swapping transformer
  22. LT1761ES5-5 alternative
  23. AMS 1117 alternatives
  24. Best Resistor Selection For Snubber
  25. TPS7A4701 regulator pcb design made pls check
  26. Need help with alpine Mrv-f409
  27. I heard about the Linear Audio article on Soft Recovery diodes, and ...
  28. Chromecast Audio plus Class D amp, how to power them?
  29. Struggle with TPS7A4701
  30. Building power supply for O2/ODAC & Raspberry Pi
  31. Transformer orientation - does it really matter?
  32. Lowering heat and power in power supply - ideas needed
  33. hacking the power supplies
  34. Minion Style Power Supply
  35. One power supply for 2 amp chips
  36. Technical note from repair of Crown XLS 602
  37. When does a centre tap become a 0 volt/ground line?
  39. Power Supply for 4 channels of Hypex UCD 180
  40. Transformer question
  41. circuit to identify the ground and Neutral and turn on the amp
  42. How to mount a bunch of snap-in caps?
  43. Question about a LM317 circuit
  44. Using an LM317/Lm337 PCB to make a zener regulated or capacitance multiplier supply
  45. Snubber won't supress PSU rectifier noise
  46. Jung regulator revisited
  47. Duel rectified linear power supply drawing for copper clad
  48. Tamura A-4004 question
  49. 15V power supply output voltage help
  50. 3 Pin Power Supply
  51. Battery supply questions
  52. HP DPS-800GBA; Getting stand-alone PS to work
  53. Charging/maintaining 18v of SLA battery with 20v laptop PSU?
  54. Voltage Regulator FIltering Caps
  55. 5Z3C or 5Z8C for a GM70 PSU?
  56. need a little help with identification PT
  57. Fender Transformers
  58. Switch for High Voltage Taps
  59. A bit of fun with this very unusual LDO regulator
  60. password control panel generator set
  61. Noob needs a quick help
  62. Big choke Little choke
  63. Powersupply
  64. Is there any good 12v power bank?
  65. LM10 as HV regulator
  66. Indicator light in bleeder circuit to indicate when Caps are still charged
  67. Need a Beefy (600ma, 250V) Regulated B+ for an OTL
  68. TSE Power Supply
  69. How Do I Modify Commercial LM723 Regulator Circuits
  70. Unusual Centre Tapped Transformer
  71. Sun Fender SR8520 P mixer
  72. Audio concepts legend C30 pre amp
  73. Fully regulated power supply
  74. Chargecontroller for LIFePO4
  75. Treating dual primaries like one is a secondary
  76. Vinni Rossi Pure DC-4-EVR Ultracapacitor Technology
  77. I need a 24vdc, 5 amp regulated supply
  78. AC Power Problem
  79. Please help me find a power supply for this dac/amp that claims to take anything with
  80. diy power supply
  81. simple low noise regulated supply
  82. nominal current
  83. Thermal considerations for Fairchild SDIP bridge rectifiers
  84. Noisy LR8 circuit
  85. LM7805
  86. Rod Coleman raw supply circuit board
  87. Longwell plug top with LPF
  88. Regulated Power supply for amp
  89. Replacing power supply capcitors on Laney amp
  90. Power supply board with loudspeakers protection
  91. diode going into a tube rectifier
  92. elliot smps project89
  93. Xentek XE240-12
  94. Capacitance
  95. Isolated sub chassis
  96. HOT ROD Dcb1 questions
  97. Adding Primary Turns to reduce the Secondary Voltage.
  98. First power supply clarification questions
  99. double the current, keep the voltage?
  100. HV Tube bench power supply
  101. HV Supply in Heathkit
  102. Simple voltage regulator
  103. Is This a Bad idea? -"Capacitor box"
  104. Hgh current regulators
  105. Can anyone identify this power supply noise?
  106. Some help with building a battery power supply
  107. DIY filament PS for 6AS7G
  108. Solid state power supply for tube amplifier.
  109. Power Transformer Rating Mythology?
  110. basic question about audio power
  111. Dropping Transformer Voltage
  112. 230V Distribution Box with DC blocker and 2 stage AC Filter
  113. Need help about Toroidal transformer core
  114. inductor in series with transformer primary to reduce secondary voltage?
  115. Need to drop vdc voltage in my B+ supply
  116. Help me to find this power recepticle.
  117. how to wire antek transformator to E-01 AMP?
  118. Capacitor bank for ps supply filter
  119. Ultra-Fast Avalanche Sinterglass Diode for small current psu rectification?
  120. Salas Bib questions
  121. Power supply CD PRO2
  122. Connect to what?
  123. Converting my Sun Audio monoblocks to IEC and safety earth
  124. Luxman RV-357 Standby LED Indicator???
  125. dc/dc isolated transformer
  126. 3-pin PSU's for 1.2V, 3.3V and 5V?
  127. Marantz PM4400 - Change 230V to 115V
  128. output impedance in shunt reg sim
  129. Need Power Supply
  130. Power relay
  131. 5AR4 in a input choke
  132. Question on Vacuum State SuperReg
  133. 48V phantom power supply keeps blowing fuse
  134. Laminations - who needs 'em
  135. What choke is best
  136. Which power cable between separate power supply and dac?
  137. 4-pole cap in bipolar power supply
  138. Variable Power Supply
  139. ATX supply -> Cmoy, single or split?
  140. xd218 4x10000uF 100v board
  141. Variable-delay output muting PCB for preamps, linestages, et al
  142. Single touch power on/off switch
  143. NAD VISO 1 Power Supply
  144. LLC resonant power suply design
  145. Noob Trafo question
  146. Power supply ratings when using step down voltage regulators
  147. Stacking board level heatsinks
  148. Proper RC Snubbering
  149. Help lowering noise in big series pass regulator circuit
  150. Bucking transformer current load
  151. Leakage inductance of a transformer
  152. Lithium-ion power bank
  153. Help with discrete voltage regulator
  154. LiFePO4 battery psu for PUC2 Lite USB-AES converter
  155. PSU RC filter vs. VR regulator tube
  156. Boost Converter w/ positive AND negative output
  157. 55 MHz opamp + MOSFET pass xitor in 1 amp Voltage Regulator
  158. Multipurpose Transfo,Dual (+/-)DC Power for Pre and Power Amp 's
  159. Harman Kardon HK775 mono amp capacitor power rating
  160. Reccomend a small transformer for power supply?
  161. designing a DC to DC buck converter Layout errors.
  162. Power supply for tube preamp - Help!
  163. Help with inductor and capacitor values?
  164. power supply
  165. Power transformer question
  166. Dual Transformer Power Supply Chassis Grounding?
  167. Power conditioning IEC inlet filter with earth line choke?
  168. power supply for tda7294
  169. Mosfet suply switching steps 3 p / class H amplifier
  170. Pros and cons of using Dual transformers in amplifier
  171. Switchmode ICs
  172. smoothing caps getting warm
  173. ARC SP8 tube reg rebuild
  174. Noob Question: Wiring a battery system
  175. Input switch / Mute delay using 555
  176. B+ ripple filler filtering
  177. Hot chassis death traps
  178. 300V & 12.6V regulated power supply.
  179. Nat Semi datasheet app note improved my power supply
  180. DIY mains synthesizer
  181. Schematic and measuring results for Connexelectronic SMPS300RE
  182. Is this how to create a full wave rectifier?
  183. A good power supply for the LDR attenuator?
  184. r core for drd amp
  185. Strange part in Mcintosh MC-225 power supply - please help
  186. How do I Wire this switch?
  187. Wallwart PS Suppliers
  188. Replacing caps 50uf with 47UF
  189. Power supply questions for modular DAC project
  190. Floating PSU
  191. Fusing transformers
  192. Where can buy those earthing rods?
  193. PSU Question
  194. Can I connect 2 LM317 regulators to dual supply rail?
  195. VA rating needed for Single End Power Supply
  196. Evaluating Tube Diodes as Rectifiers
  197. Switchmode transformer
  198. power supply wire 6 and 7
  199. Need Help with Power Supply for TDA7294 Chip Amp
  200. Damaged Transformer?
  201. Diode help! 18VAC --> diodes --> CRC 44mF-0.22R-44mF --> 24VDC @ 1.5-2.0A
  202. Would it be better to have the AC power supply in an external case
  203. PSU's for modular DAC, by a novice. Questions
  204. advantages of 2 power transformers
  205. +/- 120V,12mA from +12V using flyback?
  206. SMPS making
  207. GZ32 vs ss rectifier
  208. Big size and low capacitance - are there any rules?
  209. How do I determine polarity on a dual primary toroid?
  210. Mains Filter
  211. Stomp box supply
  212. Replacing transformer with DC power
  213. AA DLC PS Solution
  214. Another PSU Transient Load Tester ("chop chop box")
  215. Need Help with TDA2052 Power Supply
  216. Transformer got really hot because I wired it wrong
  217. 12VDC Linear PSU
  218. Full wave center tapped power supply defies the laws of physics
  219. 1.2 kW regulated power supply
  220. Two-section 500V electrolytic caps for cheap (new production)
  221. 0-50V 0-10A Variable SMPS
  222. need help with battery selection for my amp
  223. Tube power supply
  224. First PSU Build help!!!
  225. Suitable chips for 15v down to 3.3v
  226. When to use artificial center tap
  227. PSU sizing and limiting input gain for targeted output / THD ??
  228. MAX1771 stability issues
  229. Is this transformer a good start for a class D amp power supply?
  230. Circuit reduces PS noise by up to 26db
  231. using lundahl anode chokes for power supply
  232. Tungar Power Supply
  233. TL783, extending voltage range
  234. Distorted sine wave on transformer secondary...
  235. half bridge secondary voltage
  236. What swhitch to use for diy amp
  237. Two transformers
  238. Which Universal PSU for various AMP builds?
  239. Speed control for 120vac fan that does not add noise
  240. Can i buld a 5V DC PSU using Toroidal 15V @ 30VA
  241. 5V +/- Powersupply feedback
  242. humming sound
  243. Alternatives for MJ4502 and LM301A
  244. Toroid transformer winding
  245. Isolation transformer - does a cap on the secondary give any benefit?
  246. Stepdown trafo and possible rewind......
  247. What's A Good replcement transforer for Adcom GFA 535
  248. Counterpoint SA3000 power supply
  249. tracking down a possible electrical problem
  250. A puzzler of sorts (grounding problem).

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