View Full Version : Power Supplies

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  1. Value for a DC rail shunt cap?
  2. New age circuit construction
  3. Three pin voltage regulator
  4. Odd, slight voltage increase over long time periods
  5. power transformer question
  6. 5Z3P 6N9P EL34 Chinese amp kit
  7. prototype power supply layout idea
  8. Advice/critique on my H-Bridge Design please.
  9. LittleFuse 345 holder/2.5A-SB kinda Just Blew Up haha
  10. X power 1750plus inverter reversed 12v input polarity
  11. Noisy amplifier?power supply
  12. Need advice on Power Supplies
  13. Welborne Labs PS1
  14. Marantz 2235b- P800 PSU problem
  15. 400V and 300V supply voltage clamp?
  16. Choosing and designing my own AC-DC power supply
  17. Cheat Method to Power a Subwoofer?
  18. cheap toroidal any good
  19. UV LED flood light, power supply
  20. Improving zener follower regulator in preamp
  21. Regulated supply help
  22. Will these transformers be beneficial to me in anyway?
  23. BEHRINGER lpa1180 rev j
  24. Power supply
  25. Line Current for (XFormer + Rectifier + LDO)
  26. Questions regarding the build-up for 100A 12V SMPS
  27. LT3080 PCB
  28. Ebay Regulated Supply Opinions
  29. The SMPS HYS3C300 - No STBY + -7V identification element
  30. pls help to choose right trafo for burned
  31. 48V PSU- Trimpot frying
  32. LP Filter for Adjustable Pedal Supply
  33. Can one tell if PSU is the problem just by listening?
  34. Hum on ayon cd player power supply
  35. Glassware rotary on/off switch
  36. How to calculate the size of the heat sink
  37. Improving capacitance multipliers
  38. Tentlabs Shunt Reg Schematic
  39. hypex ucd400 power supply
  40. What power supply for P7 mini preamp
  41. Relay contact protection
  42. Realistic STA-250 Repair
  43. PSU for 12v set up - please help!
  44. Using IR2101 as LO-HI side driver IC
  45. how to apply transformer snubber to a centre tapped secondary and 2 diode full wave?
  46. PCB hole with solder current rating. need confirm?
  47. Parallel caps, wire resistance
  48. Advice on PWM controller for 12v battery use.
  49. questions on simple mosfet regulator
  50. Transfromers position
  51. Noise floor 8 dB higher on 3 prong vs 2 prong "cheater" jack?
  52. Low voltage tube based supply for turntable?
  53. Positive and negative voltages from 2 LM350
  54. phx7nq60e equivalent
  55. electrolitic capacitor types for amps/preamps
  56. Where to put the largest capacitor?
  57. 1.2V Regulator
  58. Snubbing quandaries
  59. Coleman Supplies
  60. fusing pri
  61. Field Coil Power Supply DIY
  62. Chokes in the return line - bypassing the HV problem?
  63. Turns ratios help needed on SMPS.
  64. Choose a AC to DC switching supply
  65. How do I best re-start an old power supply?
  66. How to wire a power indicator LED from a bipolar PSU?
  67. Is there a problem with this transformer, or the capacitors?
  68. +/- 15 volt power supply
  69. Choke BEFORE rectifier
  70. Schottky negative power supply?
  71. Choke power supply guidance
  72. Power supply
  73. Poly caps in place of electrolitcs?
  74. 12v Power Supply Build Request for Driverack PA2
  75. Inductor power rating
  76. wiring secondaries on a 1,5kw autotransformer
  77. Help with understanding electrical output/demand when using a computer PSU to 12v amp
  78. Power transformer repair or rewinding needed.
  79. Voltage Doubler PSU-Newbie
  80. Another Odd Power Transformer
  81. Transformers: two single secondary vs single dual secondaries
  82. I need power supply help, single winding transformer AC-DC
  83. sr-4a receiver amp
  84. sr-4a receiver amp
  85. Confused about DC supply board
  86. Is there any harm in using an overspecified power transformer?
  87. Power LDO PSU with TL431
  88. tapping 12v power suppy to 2 equipment
  89. Transformer for 1kW SMPS.
  90. Selecting Power Transformers for Tube Amp
  91. How to hookup an illuminated power switch or button
  92. Delay circuit, more delay time needed
  93. How to wire a rotary rheostat to my cooling fan
  94. Tip on noiseless transformer.
  95. Building my first PS
  96. dual-mono PSU question
  97. Just move the psu transformer to an external box... Easier said than done... Help!
  98. Amp goes off with the bass
  99. PSU for Metrum Octave nos dac
  100. PS to AMP6B from 41hz and Rasperry Pi
  101. Interesting Power Transformer
  102. speaker inductors used in psu?
  103. Pulling My Hair Out
  104. Multi Power Input Paths
  105. DC Mains filter to remove buzzing trafos
  106. Aragon 4004II - rewiring from 240V to 120V
  107. regulated or not for claas d?
  108. OK to wire the transformer this way?
  109. linn Valhala Power supply
  110. +-80 v SMPS -DIY READY
  111. determining a transformer's quality
  112. Transformer shielding, will this oversaturate?
  113. About AV receiver power cable?
  114. help on lt1085 dropping voltage on load
  115. Need comment on Simple Regulated PSU layout
  116. Adjusting for high mains voltage?
  117. Anyone identify this socket ???
  118. toroidal mechanical noise
  119. Extracting extra rail from one secondary to avoid unbalancing currents
  120. How to figure out toroid winding current capability?
  121. highest quality 1n4007 diode ?
  122. Looking for Transformer
  123. DIY regulated PSU
  124. 2500 Watt SMPS transfomer specs needed
  125. Quick newb question - transformer wiring
  126. half voltage from transformer
  127. Best regulated SMPS
  128. Building a Cyrus PSX
  129. Wireless power transfer
  130. toriodal load temp
  131. Wiring up a very small battery pack
  132. Tube preamp psu
  133. Replacing Mallory CGS capacitors in an APT power amp
  134. Parasound C2 keeps turning off
  135. How to make +/-17.5 v power supply?
  136. More transformer questions
  137. How to spec a Toroid Backwards??
  138. Z906 Logitech Problem Help!!!
  139. Klipsch RW-10d amp parts (BASH)
  140. Schottky vs ultrafast recovery diodes in DHT power supply
  141. psu for preamp
  142. 5x5 Super regulator
  144. Subwoofer power supply
  145. AC showing at 7812
  146. LM317 Regulators
  147. Shunt current regulator
  148. NAD T742 in protect from a power supply issue alone
  149. SMPS chassis advice
  150. One or two transformers?
  151. Maida HV supply output caps
  152. Simple power supply PCB layout question
  153. low voltage power supply build
  154. Tandem regulators
  155. How much power do I need?
  156. Basic Transformer Question
  157. Voltage Doubler Supply
  158. Digital noise coupling into analogue circuit?
  159. Power Supply Needed :(
  160. Am I doing wrong?psu
  161. 4 Slightly Different Models/Ratings of PSU Capacitor.. Which One? Please Help
  162. Vintage power supply query
  163. Quad 405 Transformer issues
  164. Any easy way to reduce mains from 122VAC to 110VAC?
  165. SHUNT PS: How to setup the output current for the load ?
  166. Confused!
  167. Choke input filter LCLC
  168. Power Supply Issue? (Sunfire Subwoofer)
  169. We done it wrongly, always (with pics to prove and sim to show)
  170. synchronous Rectifier for hard switched full bridge smps.
  171. Battery back up for Power supply
  172. Power supply capacitors
  173. 150v power supply, help needed
  174. SMPS Half-Bridge - High voltage ripple and large voltage drop
  175. suggestion on power supply
  176. any use for this 1kva 24V supply?
  177. What Linear Regulator Chips Have the Lowest Noise Figures?
  178. TDK-Lamda PFE700S - 2 to power audio amp
  179. Modified Jung regulator
  180. battery ps voltage/current margin question
  181. 12 Volt 30 Amp Power Supply
  182. Diy power supply for a tube guitar pedal
  183. Inductive Energy Transfer
  184. HV Pluggable Terminations?
  185. Designing a 170V power supply
  186. 12V TO 12V SMPS circuit topology choices
  187. Need reference design of a 5V 80W to 100W DC SMPS
  188. Mini 12v to +/-15v smps for op-amp supply.
  189. My Power Supply Build
  190. 12DCV to 24DCV with DC booster?
  191. psu setup single rail, dual rail confusion..
  192. Which is the load impedance that the transformer will see?
  193. Rush Multiplier
  194. Back to back toroidal transformers for a tube preamp
  195. 48V phantom supply for two old mic preamps - picture inside
  196. SSHV2 for negative voltage regulation??
  197. Need help for pioneer tuner power supply
  198. VU LED Power supply
  199. Designing an audio transformer for an underwater acoustic power amplifier for the pur
  200. Can Power Supply Electrolytic Capacitors cause interference?
  201. NTC Inrush Current Limiter Sizing
  202. Found Power Line Filter - Any Good?
  203. Simple power supply for a Relais
  204. Properly testing toroid using multimeter
  205. question about Black Pulsar power supply from THEL
  206. reasonable start???
  207. AUDIO RESAERCH Regulated PSU
  208. What type of ac connection is this?
  209. Ripple calculator or designer?
  210. Toroid transformer question.
  211. LESS voltage after rectifiers? What is wrong?
  212. Test point signals
  213. What is what inside my amp? (Pics)-I want to replace psu caps-
  214. A 'brick wall' filter for the +DC rail of a SMPS?
  215. Capacitors quality
  216. Toroidal transformer issue
  217. simple voltmeter without draining batteries
  218. question about ground using new (to me) old oscilloscope
  219. Beginner question about bridge
  220. Shure M268 preamp: Where do I inject battery power?
  221. Just brought one of these....
  222. Flyback SMPS with 555 Can't Regulate Output
  223. First 24V Power Supply
  224. 63 and 50 VA core size same?
  225. Adventures with 5A regulated voltage circuits
  226. Newbie with charge controller. Don't want to blow stuff up.
  227. Rise in capaticance
  228. Which bypass cap ?
  229. Building a PSU
  230. How to use this transformer with tube rectification
  231. Looking for DC/DC boost/inverter single IC for bipolar supply of OpAmps
  232. What is a "Electronic Choke"
  233. SLA battery charging advise, help!
  234. Example of a transformer driver for mosfet and IGBT
  235. Improving PSU of my old Philips CD371
  236. How and which 5V Power Supply
  237. Secondaries not to be used independently
  238. DC Blocker (mains) for high power amp
  239. Need Schematic for Power One F24-12-A
  240. Sonance Sonamp 260 power switch wires...which is which?
  241. MiniRegulator
  242. digital question
  243. X-Can v3 PSU
  244. power cord upgrades, and power conditioner
  245. Parasound ZampTorriodial Transformer
  246. Dumb question about remote PSU and chassis grounding
  247. does this make sense: SSR 1kHz switching regulator for PS rails?
  248. Is this switching power supply any good -
  249. using solid state relays on power supply rails
  250. Symmetric supply for a portable amplifier

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