View Full Version : Power Supplies

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  1. Gerbers - Low noise Power Supply for pre-amp type circuits
  2. Bewitch 300b fried power tranz.
  3. DIY toroid transformer shield
  4. 12V battery powering amplifier with a bridge rectifier
  5. Burning Fuse
  6. Enough current to turn on 3 mosfets?
  7. Why do power supplies have dedicated Live and Neutral connections?
  8. Voltage Doubler & Normal Full Wave Rectifier on Same Winding
  9. Lead acid battery with capacitor bypassing
  10. Simple question regarding heatsinks for diodes
  11. Can an Epcos B41560 or B41580 be a Filter capacitor?
  12. How to connect the SMPS
  13. MOSFET Series regualtor for valve amp
  14. flat wire toroid supplier
  15. three 6V SLA for powering TPA3116
  16. 12N60C MOSFET substitute
  17. Reusing old transformers
  18. Trying to hook up a Lepai LP168HA to my car
  19. A kind question about PSRR ... does it change with freq in the audio band ?
  20. Rush Cascode Regulator
  21. Gate drive transformer advice
  22. FAKE LM337s or, what did i do wrong?.......
  23. Dual rail 337 pnp and 317 npn?
  24. Hammond Transformer Question
  25. Pedalboard Power Supply Polarity
  26. Noise from 12-24v stepup
  27. Basic V/R question
  28. Broken Mains Conditioner
  29. Taskam Midistudio 644 PSU
  30. testing correct wiring of common mode choke
  31. The 2n3055 voltage regulator
  32. AC adapter noisy for older guitar pedals
  33. Noise on ground
  34. linear PS +12, -12, +5v, help building
  35. 12 volt /5 amps off mains vs 12 volts/3 amps off battery power for mini-amp?
  36. Backpowering from USB
  37. Problem with LM2577-ADJ
  38. DAC regulators advice
  39. help mosfet soa and graphs please
  40. Hypex SMPS400A180
  41. Need some help about transformer rating for amplifier
  42. (ask) SMPS ATX PROBLEM
  43. Jolida SJ202a Power Transformer
  44. Belleson.com down
  45. Heater switching power supply with LM2576HV doesn't work
  46. LFP battery supply for power amp
  47. LM317/337 as current regulator
  48. Power supply transformer selection for valve amp
  49. Regulated, dual-voltage power from DC-in
  50. Really simple psu explanation for amps.. where to look?
  51. Power supply for a Class A hybrid 6N11 headphone amp
  52. inrush current limiters for 3.3kva and 1,000,000uf per rail capacitors?
  53. better rectifier
  54. Using half of a center tapped winding
  55. auto-discharging large caps
  56. Recommendation for premade bipolar PS board?
  57. looking for current limiting tutorials
  58. Pls recommend me good linear regs
  59. SMPS for small signal analog circuits
  60. Diode Tutorial & How to build an AC to DC power supply - NOOB FRIENDLY VIDEOS
  61. Kenwood Protection Circuit Help Needed. PSU Voltage High.
  62. can I use converter to 24v from 12v battery
  63. Broke my Toriodal (zero dac)
  64. +/- 8V TO +/- 5V
  65. Power supply recommendation for simple hybrid headphone amplifier
  66. weird buzz when PSU is turned off
  67. Cheap SLA Charger???
  68. hi power SMPS
  69. Transformer choice
  70. Simple power supply for 12Ax7 buffer tube.
  71. preparing a new smps
  72. How to deal with powerup surges due to high output capacitance.
  73. First 300v regulator. Please check
  74. Capacitor power
  75. Why not Schottkys ?
  76. AC to DC power supply schematics?
  77. Simplest 19VDC/4A from 220acV/50Hz??
  78. Bypass caps?
  79. Hot isolation transformers
  80. Capacitance vs Ripple current
  81. current controlled cutoff advice please
  82. transformer is buzzing
  83. Battery Bank for Audio Gear
  84. power input question
  85. is this possible with a 12vac wallwart
  86. PSA-1225 Power supply diagram
  87. I need help with voltage regulators
  88. mosfet bjt advantages siries pass reg?
  89. Wiring Lap Top battery question
  90. multi device PSU
  91. Using inappropriate op-amp for high side sending
  92. Single to dual DC
  93. what guage/AWG cables do you use your for your amps?
  94. Transformer Query
  95. Nuforce iDo power supply upgrade?
  96. Increase out current of ICL7660S
  97. Program for designing with common regulators
  98. Power off "pop"
  99. Seeking off the shelf flyback transformer
  100. trasformer for kenwood GE-5020
  101. output filter inductor design
  102. Some basic questions on transformer with two secondaries
  103. feedback compensation dc dc
  104. 'wind up' amplifier
  105. Question re: Transformer vibration
  106. optimising psu for load?
  107. Modifying Ebay Boost Converter for Tube Amp B+
  108. Easing up inrush current buring relays in DIY trigger
  109. Choosing the right toroidal transformer
  110. Same value Big caps and small caps
  111. diode at smps
  112. Preamp - Mic - Speaker Help
  113. connection of lm317 to body?
  114. Confused with Toroid Transformer
  115. IGBT emitter to gate diode
  116. push pull converter 12Vdc to 310 V dc drain voltages problem,im confused
  117. hopefully sorta simple question. powering a chip amp
  118. 4A-5A Regulated 12-15V Supply
  119. Simple HF noise filter for 300VDC supply?
  120. Parallel Tube Rectifiers
  121. Sealed lead acid power supply circuit
  122. Tantalum bypass .1uf after the psu caps? Reduced RFI?
  123. Color coding
  124. Problem with voltage doubler circuit
  125. Denon PMA-520 Power supply
  126. will this power this amp
  127. X capacitors across power switch causing it to stop working?
  128. Covert to Variable voltage
  129. Stupid question re: Center Tap
  130. Power supply for mixer
  131. Is anyone familiar with this Transformer
  132. Glassware Janus Shunt or regulated B+ (like Salas) for tube headphone amp?
  133. Low noise symmetrical PSU TPS7A4701 and TPS7A3301
  134. paralleling 10uf polyster to the psu bank increases sound quality? any benefits?
  135. Klipsch RW-12D power supply with issues
  136. Advice on dual power supply needed.
  137. Please recommend Low noise regulator for 60V
  138. need a variable PSU
  139. Question about Voltage Multiplier
  140. Managing ATX power on etc with a TPS3510
  141. 12v to 18 volts converter
  142. Fuse and Diode blown on switch off
  143. Repurpose an X-BoSoZ PSU
  144. Pure USB powersupply
  145. anyone relocate an onboard 120/220 voltage selector switch?
  146. Xpiq ECM40USxx
  147. non feed-back emitter follower reg
  148. A very trivial way to check power supplies noise.
  149. Battery power amp has virtual earth point(+13v?). bi ampable with mains grounded amp?
  150. Bipolar cap as local decoupling ?
  151. multi-feed pwm 12-24v adjustable bench supply controller.
  152. Identifying AC mains smd devices (possibly PTCs)
  153. Apex A-class PSU problem
  154. JFET RIAA Phono power supply - which batteries are best?
  155. Charging 8 AA Batteries in Boombox?
  156. Slowblow fuse burns after power's been removed
  157. Where to find power supply or transformer ?
  158. LT1084 based power supply for NAS digital streaming
  159. Combine different sized rectifier caps?
  160. Toroid Primaries Question
  161. Bypass Caps
  162. Amps from China VS Crown Refence1
  163. simple tl431 regulation
  164. Pi filter for a 12V DC supply
  165. UK supplier of R or C core transformers?
  166. lm723 variable supply schematic question
  167. HQ low noise 5Vdc 2A PSU, kit or ready made?
  168. dual power supply noise issue
  169. AnTek Toroid Grounding
  170. 220 -> 2x50V whit IR2153 and PCB
  171. Interested in ADM7151 regulator?
  172. Multiple amp modules powered by one or two PS
  173. Question about electrical shock
  174. unused secondaries
  175. transformers and noise
  176. Interesting power supply module on Kickstarter
  177. transformer identification. need help.
  178. Paul Hynes power supplies nobody does it better
  179. GreenForce power supply
  180. Recommendations for a quality 'Off the Shelf' SMPS
  181. Filtering of HF content
  182. 0 on input VAC
  183. Electrolytic capacitors physical size
  184. Tascam M-2600 Power Supply Problem
  185. Laptop power supply 4 pole/ 4 pin plug and socket
  186. Problem with Jung regulator
  187. Switching Power Supply Safety & Mounting?
  188. variable voltage input=output inverter
  189. Local PS bypass caps.. are these good for audio?
  190. Can't we make SMPS simpler?
  191. Anyone Own a Diamond Audio D3 1000.1 amplifier?????
  192. Using the LM117K Adjustable Regulator
  193. Learning how to BUCK DC-DC
  194. Lepai LP-2020A+ amp with Anker Battery Supply
  195. Breaking my head over AC+DC heater reference
  196. diy power inverter
  197. Flyback SMPS question.
  198. Pi filters
  199. Center Tap VDC and -VDC and still use the 48VDC phantom power without doubler?
  200. Filter Choke Question
  201. Mounting toroidal transformers without proper monuting kit
  202. Constant voltage / constant current transformers
  203. Power smps for welding.
  204. help to make a simple psu for my LM3886
  205. TL431 High Voltage Regulator - How to get it thermally stable?
  206. ultra low noise like 50uV from the psu for 80V 15A possibility?
  207. Tl431, MOSFET shunt voltage regulator
  208. Linear PSU's in Parallel?
  209. regulated supply oscillation or whatever that is
  210. Series Pass Regulators driven by 3-terminal regulators
  211. Cunning Virtual Ground Circuit...
  212. Help identifying a PS
  213. Make your Printed Circuit Board (PCB):
  214. help id
  215. Which Resistor is the OPTIMAL Choice for Earthing/Grounding yourself ?
  216. 4.4VA 56VCT transformer powering more than I think it should (and not sagging)
  217. Voltage Tripler for Bias Tap
  218. Measuring power supplies - some results by Bjørn Kolbrek
  219. PSU transformer wiring help?
  220. ultra low noise PSU recommendations for VAS of the LME49830
  221. What would happen if ?
  222. Current capability of litz wire.
  223. Difference in +V/-V -- OK?
  224. help comparig & choosing between 1X230V or 2X150V transformers
  225. SMPS choice with 110/230v input
  226. A simple LT1763 based 5V PSU
  227. Zener Follower - what did i do wrong?
  228. LifePo BMS and audio quality
  229. Limiting resistor values
  230. Power transformer from Marantz SR2700?
  231. Transformer Help??????????????
  232. robbing from the positive rail
  233. LP-2020A+ power supply noise
  234. Anyone have the 3C6A ferrite material specification Sheet
  235. Power supply caps: They're not all equal
  236. Amp PS Building rookie questions
  237. How to check how dirty is the AC mains voltage
  238. Anyone here build power supplies as a service?
  239. Audible Illusions L1 Hissing Noise
  240. How to deal with Litz wire
  241. Parallel noise filters/traps for mains.
  242. milliamps, milliamps where do you go?
  243. Hooking up Power-One supply
  244. Question about tube amp supplies.
  245. ILP transformer va?
  246. How to knock the voltage down?
  247. decommissioned 3Par battery. help please?
  248. Help with 250V regulator
  249. Thoughts on running LED's from high voltage into a constant current sink.
  250. Control-to-Output or Open-Loop Measurement

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