View Full Version : Power Supplies

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  1. How to regulate battery power
  2. psu damage input connection
  3. Looking For A EI Decent Transformer
  4. How do I bootstrap this IC?
  5. Negative voltage linear regulator for a preamp
  6. why sag?
  7. Conversion of +/-37v Amplifier SMPS +/-75vdc ?? PLEASE HELP
  8. A simplistic HV delay timer
  9. How to improve transient load response of an LM317 voltage regulator circuit?
  10. Technics SU-8080 Twin PSUs
  11. Do I really need a power supply for my home recording studio?
  12. Too much ampere into class D amp?
  13. Preregulation CRC for Belleson Regulators
  14. PSUD2 Help
  15. Toroidal Transformer Inrush & Capacitor Slow Charge
  16. R-Core Crash Course
  17. Output impedance of the LM317 at 1Mhz?
  18. Power Supply Rectifier question
  19. TL494 Getting Hot - Car Amp SMPS Fail
  20. Mr. Jung's ultra-low noise VREF - the GLED431
  21. Fixed -5v regulator for dac?
  22. Complete PSU with ADM715x regulator
  23. Triac / Optocoupler power switch
  24. Transformer coil for Naim 140 PSU advice
  25. United Chemi-con 35V 56,000uf cap power supply
  26. Removed hum in class a amp by swapping transformer
  27. LT1761ES5-5 alternative
  28. AMS 1117 alternatives
  29. Best Resistor Selection For Snubber
  30. TPS7A4701 regulator pcb design made pls check
  31. Need help with alpine Mrv-f409
  32. I heard about the Linear Audio article on Soft Recovery diodes, and ...
  33. Chromecast Audio plus Class D amp, how to power them?
  34. Struggle with TPS7A4701
  35. Building power supply for O2/ODAC & Raspberry Pi
  36. Transformer orientation - does it really matter?
  37. Lowering heat and power in power supply - ideas needed
  38. hacking the power supplies
  39. Minion Style Power Supply
  40. One power supply for 2 amp chips
  41. Technical note from repair of Crown XLS 602
  42. When does a centre tap become a 0 volt/ground line?
  44. Power Supply for 4 channels of Hypex UCD 180
  45. Transformer question
  46. circuit to identify the ground and Neutral and turn on the amp
  47. How to mount a bunch of snap-in caps?
  48. Question about a LM317 circuit
  49. Using an LM317/Lm337 PCB to make a zener regulated or capacitance multiplier supply
  50. Snubber won't supress PSU rectifier noise
  51. Jung regulator revisited
  52. Duel rectified linear power supply drawing for copper clad
  53. Tamura A-4004 question
  54. 15V power supply output voltage help
  55. 3 Pin Power Supply
  56. Battery supply questions
  57. HP DPS-800GBA; Getting stand-alone PS to work
  58. Charging/maintaining 18v of SLA battery with 20v laptop PSU?
  59. Voltage Regulator FIltering Caps
  60. 5Z3C or 5Z8C for a GM70 PSU?
  61. need a little help with identification PT
  62. Fender Transformers
  63. Switch for High Voltage Taps
  64. A bit of fun with this very unusual LDO regulator
  65. password control panel generator set
  66. Noob needs a quick help
  67. Big choke Little choke
  68. Is there any good 12v power bank?
  69. LM10 as HV regulator
  70. Indicator light in bleeder circuit to indicate when Caps are still charged
  71. Need a Beefy (600ma, 250V) Regulated B+ for an OTL
  72. TSE Power Supply
  73. How Do I Modify Commercial LM723 Regulator Circuits
  74. Unusual Centre Tapped Transformer
  75. Sun Fender SR8520 P mixer
  76. Audio concepts legend C30 pre amp
  77. Fully regulated power supply
  78. Treating dual primaries like one is a secondary
  79. Vinni Rossi Pure DC-4-EVR Ultracapacitor Technology
  80. I need a 24vdc, 5 amp regulated supply
  81. AC Power Problem
  82. Please help me find a power supply for this dac/amp that claims to take anything with
  83. diy power supply
  84. simple low noise regulated supply
  85. nominal current
  86. Thermal considerations for Fairchild SDIP bridge rectifiers
  87. Noisy LR8 circuit
  88. LM7805
  89. Rod Coleman raw supply circuit board
  90. Longwell plug top with LPF
  91. Regulated Power supply for amp
  92. Replacing power supply capcitors on Laney amp
  93. Power supply board with loudspeakers protection
  94. elliot smps project89
  95. Xentek XE240-12
  96. Capacitance
  97. Isolated sub chassis
  98. HOT ROD Dcb1 questions
  99. Adding Primary Turns to reduce the Secondary Voltage.
  100. First power supply clarification questions
  101. double the current, keep the voltage?
  102. HV Tube bench power supply
  103. HV Supply in Heathkit
  104. Is This a Bad idea? -"Capacitor box"
  105. Hgh current regulators
  106. Can anyone identify this power supply noise?
  107. Some help with building a battery power supply
  108. DIY filament PS for 6AS7G
  109. basic question about audio power
  110. Dropping Transformer Voltage
  111. 230V Distribution Box with DC blocker and 2 stage AC Filter
  112. Need help about Toroidal transformer core
  113. inductor in series with transformer primary to reduce secondary voltage?
  114. Need to drop vdc voltage in my B+ supply
  115. Help me to find this power recepticle.
  116. how to wire antek transformator to E-01 AMP?
  117. Capacitor bank for ps supply filter
  118. Ultra-Fast Avalanche Sinterglass Diode for small current psu rectification?
  119. Salas Bib questions
  120. Power supply CD PRO2
  121. Connect to what?
  122. Converting my Sun Audio monoblocks to IEC and safety earth
  123. Luxman RV-357 Standby LED Indicator???
  124. dc/dc isolated transformer
  125. 3-pin PSU's for 1.2V, 3.3V and 5V?
  126. Marantz PM4400 - Change 230V to 115V
  127. output impedance in shunt reg sim
  128. Need Power Supply
  129. Power relay
  130. 5AR4 in a input choke
  131. Question on Vacuum State SuperReg
  132. 48V phantom power supply keeps blowing fuse
  133. Laminations - who needs 'em
  134. What choke is best
  135. Which power cable between separate power supply and dac?
  136. 4-pole cap in bipolar power supply
  137. Variable Power Supply
  138. ATX supply -> Cmoy, single or split?
  139. xd218 4x10000uF 100v board
  140. Variable-delay output muting PCB for preamps, linestages, et al
  141. Single touch power on/off switch
  142. NAD VISO 1 Power Supply
  143. LLC resonant power suply design
  144. Noob Trafo question
  145. Power supply ratings when using step down voltage regulators
  146. Stacking board level heatsinks
  147. Proper RC Snubbering
  148. Help lowering noise in big series pass regulator circuit
  149. Bucking transformer current load
  150. Leakage inductance of a transformer
  151. Lithium-ion power bank
  152. Help with discrete voltage regulator
  153. LiFePO4 battery psu for PUC2 Lite USB-AES converter
  154. Boost Converter w/ positive AND negative output
  155. 55 MHz opamp + MOSFET pass xitor in 1 amp Voltage Regulator
  156. Multipurpose Transfo,Dual (+/-)DC Power for Pre and Power Amp 's
  157. Harman Kardon HK775 mono amp capacitor power rating
  158. Reccomend a small transformer for power supply?
  159. designing a DC to DC buck converter Layout errors.
  160. Help with inductor and capacitor values?
  161. Dual Transformer Power Supply Chassis Grounding?
  162. Power conditioning IEC inlet filter with earth line choke?
  163. power supply for tda7294
  164. Mosfet suply switching steps 3 p / class H amplifier
  165. Pros and cons of using Dual transformers in amplifier
  166. Switchmode ICs
  167. smoothing caps getting warm
  168. ARC SP8 tube reg rebuild
  169. Noob Question: Wiring a battery system
  170. Input switch / Mute delay using 555
  171. B+ ripple filler filtering
  172. Nat Semi datasheet app note improved my power supply
  173. DIY mains synthesizer
  174. Schematic and measuring results for Connexelectronic SMPS300RE
  175. A good power supply for the LDR attenuator?
  176. r core for drd amp
  177. Strange part in Mcintosh MC-225 power supply - please help
  178. How do I Wire this switch?
  179. Wallwart PS Suppliers
  180. Power supply questions for modular DAC project
  181. Floating PSU
  182. Fusing transformers
  183. PSU Question
  184. Can I connect 2 LM317 regulators to dual supply rail?
  185. Switchmode transformer
  186. power supply wire 6 and 7
  187. Need Help with Power Supply for TDA7294 Chip Amp
  188. Damaged Transformer?
  189. Diode help! 18VAC --> diodes --> CRC 44mF-0.22R-44mF --> 24VDC @ 1.5-2.0A
  190. Would it be better to have the AC power supply in an external case
  191. PSU's for modular DAC, by a novice. Questions
  192. advantages of 2 power transformers
  193. +/- 120V,12mA from +12V using flyback?
  194. SMPS making
  195. Big size and low capacitance - are there any rules?
  196. How do I determine polarity on a dual primary toroid?
  197. Mains Filter
  198. Stomp box supply
  199. Replacing transformer with DC power
  200. AA DLC PS Solution
  201. Another PSU Transient Load Tester ("chop chop box")
  202. Need Help with TDA2052 Power Supply
  203. Transformer got really hot because I wired it wrong
  204. 12VDC Linear PSU
  205. Full wave center tapped power supply defies the laws of physics
  206. 1.2 kW regulated power supply
  207. 0-50V 0-10A Variable SMPS
  208. need help with battery selection for my amp
  209. First PSU Build help!!!
  210. Suitable chips for 15v down to 3.3v
  211. PSU sizing and limiting input gain for targeted output / THD ??
  212. MAX1771 stability issues
  213. Is this transformer a good start for a class D amp power supply?
  214. Circuit reduces PS noise by up to 26db
  215. using lundahl anode chokes for power supply
  216. Tungar Power Supply
  217. TL783, extending voltage range
  218. Distorted sine wave on transformer secondary...
  219. half bridge secondary voltage
  220. What swhitch to use for diy amp
  221. Two transformers
  222. Which Universal PSU for various AMP builds?
  223. Speed control for 120vac fan that does not add noise
  224. Can i buld a 5V DC PSU using Toroidal 15V @ 30VA
  225. 5V +/- Powersupply feedback
  226. humming sound
  227. Alternatives for MJ4502 and LM301A
  228. Toroid transformer winding
  229. Isolation transformer - does a cap on the secondary give any benefit?
  230. Stepdown trafo and possible rewind......
  231. What's A Good replcement transforer for Adcom GFA 535
  232. Counterpoint SA3000 power supply
  233. tracking down a possible electrical problem
  234. A puzzler of sorts (grounding problem).
  235. LM317 + 2 Transistors "Class A" Regulator?
  236. Voltage Regulator Question
  237. Heat sink insulators for Indigo "Bash" plate amplifier switching power supply
  238. PSU upgrade for Meitner PA6i Preamp
  239. Marantz M7C HT Regulator Adjustment
  240. Power Supply for ancient Goldmund Mimesis 10 DAC
  241. How do I limit current flow from a Car battery to an amp?
  242. power supply rail voltage too high
  243. Calculating input current
  244. Duel supply from 12V battery
  245. Moved: EU transformer for an Hafler 9505 Transnova?
  246. Store/latch fault signal
  247. Testing a New Design Shunt Regulator
  248. Failed attempt of Jung/Didden superreg PCB redesign
  249. Can I run a CB radio and Sub off of 1 amplifier?
  250. 317/337 based virtual ground PS

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