View Full Version : Power Supplies

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  1. Ebay Regulated Supply Opinions
  2. The SMPS HYS3C300 - No STBY + -7V identification element
  3. pls help to choose right trafo for burned
  4. 48V PSU- Trimpot frying
  5. LP Filter for Adjustable Pedal Supply
  6. Can one tell if PSU is the problem just by listening?
  7. Hum on ayon cd player power supply
  8. Glassware rotary on/off switch
  9. How to calculate the size of the heat sink
  10. Improving capacitance multipliers
  11. Tentlabs Shunt Reg Schematic
  12. hypex ucd400 power supply
  13. What power supply for P7 mini preamp
  14. Relay contact protection
  15. Realistic STA-250 Repair
  16. PSU for 12v set up - please help!
  17. Using IR2101 as LO-HI side driver IC
  18. how to apply transformer snubber to a centre tapped secondary and 2 diode full wave?
  19. PCB hole with solder current rating. need confirm?
  20. Parallel caps, wire resistance
  21. Advice on PWM controller for 12v battery use.
  22. questions on simple mosfet regulator
  23. Transfromers position
  24. Noise floor 8 dB higher on 3 prong vs 2 prong "cheater" jack?
  25. Low voltage tube based supply for turntable?
  26. Positive and negative voltages from 2 LM350
  27. phx7nq60e equivalent
  28. electrolitic capacitor types for amps/preamps
  29. Where to put the largest capacitor?
  30. 1.2V Regulator
  31. Snubbing quandaries
  32. Coleman Supplies
  33. fusing pri
  34. Field Coil Power Supply DIY
  35. Chokes in the return line - bypassing the HV problem?
  36. Turns ratios help needed on SMPS.
  37. Choose a AC to DC switching supply
  38. How do I best re-start an old power supply?
  39. How to wire a power indicator LED from a bipolar PSU?
  40. Is there a problem with this transformer, or the capacitors?
  41. +/- 15 volt power supply
  42. Choke BEFORE rectifier
  43. Schottky negative power supply?
  44. Choke power supply guidance
  45. Power supply
  46. Poly caps in place of electrolitcs?
  47. 12v Power Supply Build Request for Driverack PA2
  48. Inductor power rating
  49. wiring secondaries on a 1,5kw autotransformer
  50. Help with understanding electrical output/demand when using a computer PSU to 12v amp
  51. Power transformer repair or rewinding needed.
  52. Voltage Doubler PSU-Newbie
  53. Another Odd Power Transformer
  54. Transformers: two single secondary vs single dual secondaries
  55. I need power supply help, single winding transformer AC-DC
  56. sr-4a receiver amp
  57. sr-4a receiver amp
  58. Confused about DC supply board
  59. Is there any harm in using an overspecified power transformer?
  60. Power LDO PSU with TL431
  61. tapping 12v power suppy to 2 equipment
  62. Transformer for 1kW SMPS.
  63. Selecting Power Transformers for Tube Amp
  64. How to hookup an illuminated power switch or button
  65. Delay circuit, more delay time needed
  66. How to wire a rotary rheostat to my cooling fan
  67. Tip on noiseless transformer.
  68. Building my first PS
  69. dual-mono PSU question
  70. Just move the psu transformer to an external box... Easier said than done... Help!
  71. Amp goes off with the bass
  72. PSU for Metrum Octave nos dac
  73. PS to AMP6B from 41hz and Rasperry Pi
  74. Interesting Power Transformer
  75. speaker inductors used in psu?
  76. Pulling My Hair Out
  77. Multi Power Input Paths
  78. DC Mains filter to remove buzzing trafos
  79. Aragon 4004II - rewiring from 240V to 120V
  80. regulated or not for claas d?
  81. OK to wire the transformer this way?
  82. linn Valhala Power supply
  83. +-80 v SMPS -DIY READY
  84. determining a transformer's quality
  85. Transformer shielding, will this oversaturate?
  86. About AV receiver power cable?
  87. help on lt1085 dropping voltage on load
  88. Need comment on Simple Regulated PSU layout
  89. Adjusting for high mains voltage?
  90. Anyone identify this socket ???
  91. toroidal mechanical noise
  92. Extracting extra rail from one secondary to avoid unbalancing currents
  93. How to figure out toroid winding current capability?
  94. highest quality 1n4007 diode ?
  95. Looking for Transformer
  96. DIY regulated PSU
  97. 2500 Watt SMPS transfomer specs needed
  98. Quick newb question - transformer wiring
  99. half voltage from transformer
  100. Best regulated SMPS
  101. Building a Cyrus PSX
  102. Wireless power transfer
  103. toriodal load temp
  104. Wiring up a very small battery pack
  105. Tube preamp psu
  106. Replacing Mallory CGS capacitors in an APT power amp
  107. Parasound C2 keeps turning off
  108. How to make +/-17.5 v power supply?
  109. More transformer questions
  110. How to spec a Toroid Backwards??
  111. Z906 Logitech Problem Help!!!
  112. Klipsch RW-10d amp parts (BASH)
  113. Schottky vs ultrafast recovery diodes in DHT power supply
  114. psu for preamp
  115. 5x5 Super regulator
  117. Subwoofer power supply
  118. AC showing at 7812
  119. LM317 Regulators
  120. Shunt current regulator
  121. NAD T742 in protect from a power supply issue alone
  122. SMPS chassis advice
  123. One or two transformers?
  124. Maida HV supply output caps
  125. Simple power supply PCB layout question
  126. low voltage power supply build
  127. Tandem regulators
  128. How much power do I need?
  129. Basic Transformer Question
  130. Voltage Doubler Supply
  131. Digital noise coupling into analogue circuit?
  132. Power Supply Needed :(
  133. Am I doing wrong?psu
  134. 4 Slightly Different Models/Ratings of PSU Capacitor.. Which One? Please Help
  135. Vintage power supply query
  136. Quad 405 Transformer issues
  137. Any easy way to reduce mains from 122VAC to 110VAC?
  138. SHUNT PS: How to setup the output current for the load ?
  139. Confused!
  140. Choke input filter LCLC
  141. Power Supply Issue? (Sunfire Subwoofer)
  142. We done it wrongly, always (with pics to prove and sim to show)
  143. synchronous Rectifier for hard switched full bridge smps.
  144. Battery back up for Power supply
  145. Power supply capacitors
  146. 150v power supply, help needed
  147. SMPS Half-Bridge - High voltage ripple and large voltage drop
  148. suggestion on power supply
  149. any use for this 1kva 24V supply?
  150. What Linear Regulator Chips Have the Lowest Noise Figures?
  151. TDK-Lamda PFE700S - 2 to power audio amp
  152. Modified Jung regulator
  153. battery ps voltage/current margin question
  154. 12 Volt 30 Amp Power Supply
  155. Diy power supply for a tube guitar pedal
  156. Inductive Energy Transfer
  157. HV Pluggable Terminations?
  158. Designing a 170V power supply
  159. 12V TO 12V SMPS circuit topology choices
  160. Need reference design of a 5V 80W to 100W DC SMPS
  161. Mini 12v to +/-15v smps for op-amp supply.
  162. My Power Supply Build
  163. 12DCV to 24DCV with DC booster?
  164. psu setup single rail, dual rail confusion..
  165. Which is the load impedance that the transformer will see?
  166. Rush Multiplier
  167. Back to back toroidal transformers for a tube preamp
  168. 48V phantom supply for two old mic preamps - picture inside
  169. SSHV2 for negative voltage regulation??
  170. Need help for pioneer tuner power supply
  171. VU LED Power supply
  172. Designing an audio transformer for an underwater acoustic power amplifier for the pur
  173. Can Power Supply Electrolytic Capacitors cause interference?
  174. NTC Inrush Current Limiter Sizing
  175. Found Power Line Filter - Any Good?
  176. Simple power supply for a Relais
  177. Properly testing toroid using multimeter
  178. question about Black Pulsar power supply from THEL
  179. reasonable start???
  180. AUDIO RESAERCH Regulated PSU
  181. What type of ac connection is this?
  182. Ripple calculator or designer?
  183. Toroid transformer question.
  184. LESS voltage after rectifiers? What is wrong?
  185. Test point signals
  186. What is what inside my amp? (Pics)-I want to replace psu caps-
  187. A 'brick wall' filter for the +DC rail of a SMPS?
  188. Capacitors quality
  189. Toroidal transformer issue
  190. simple voltmeter without draining batteries
  191. question about ground using new (to me) old oscilloscope
  192. Beginner question about bridge
  193. Shure M268 preamp: Where do I inject battery power?
  194. Just brought one of these....
  195. Flyback SMPS with 555 Can't Regulate Output
  196. First 24V Power Supply
  197. 63 and 50 VA core size same?
  198. Adventures with 5A regulated voltage circuits
  199. Newbie with charge controller. Don't want to blow stuff up.
  200. Rise in capaticance
  201. Which bypass cap ?
  202. Building a PSU
  203. How to use this transformer with tube rectification
  204. Looking for DC/DC boost/inverter single IC for bipolar supply of OpAmps
  205. What is a "Electronic Choke"
  206. SLA battery charging advise, help!
  207. Example of a transformer driver for mosfet and IGBT
  208. Improving PSU of my old Philips CD371
  209. How and which 5V Power Supply
  210. Secondaries not to be used independently
  211. DC Blocker (mains) for high power amp
  212. Need Schematic for Power One F24-12-A
  213. Sonance Sonamp 260 power switch wires...which is which?
  214. MiniRegulator
  215. digital question
  216. X-Can v3 PSU
  217. power cord upgrades, and power conditioner
  218. Parasound ZampTorriodial Transformer
  219. Dumb question about remote PSU and chassis grounding
  220. does this make sense: SSR 1kHz switching regulator for PS rails?
  221. Is this switching power supply any good -
  222. using solid state relays on power supply rails
  223. Symmetric supply for a portable amplifier
  224. Supply for a PolkAudio PSW111
  225. recommend variable power supply kit (0-30V) for audio
  226. Am I overloading the diodes?
  227. Cascade APS90
  228. wierd ticking/clicking sound from switching power supply
  229. High Current regulated PSU using pass transistors
  230. SMPSU coil winding
  231. Switch Mode Supplies
  232. Discrete regulator design
  233. MUR860 needs heatsink?
  234. Troubleshoot subwoofer amplifier SMPS board with laboratory PSU
  235. HELP!! (Schottky or UltraFast) (SMPS feedback)
  236. SMPS Trouble Shooting Help Please
  237. Newbie Questions about transformer
  238. High Power Toroid Power Transformer Questions
  239. DC-DC converters for analog: high or low switching frequencies
  240. Common mode choke core type
  241. Phantom power supply from tube power transformer
  242. Balance mains question
  243. Linn Valhalla (PCAS 022) excess current problem
  244. One transformer per rail?
  245. Dual battery psu with low voltage switchover?
  246. Screen grid voltage regulator
  247. Super Regulator
  248. Connecting Two amp to a transformer
  249. Kicker kx700.5
  250. Help me solve my buzz, please!

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