View Full Version : Power Supplies

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  1. Basic V/R question
  2. Broken Mains Conditioner
  3. Taskam Midistudio 644 PSU
  4. testing correct wiring of common mode choke
  5. The 2n3055 voltage regulator
  6. AC adapter noisy for older guitar pedals
  7. Noise on ground
  8. linear PS +12, -12, +5v, help building
  9. 12 volt /5 amps off mains vs 12 volts/3 amps off battery power for mini-amp?
  10. Backpowering from USB
  11. Problem with LM2577-ADJ
  12. DAC regulators advice
  13. help mosfet soa and graphs please
  14. Hypex SMPS400A180
  15. Need some help about transformer rating for amplifier
  16. (ask) SMPS ATX PROBLEM
  17. Jolida SJ202a Power Transformer
  18. Belleson.com down
  19. Heater switching power supply with LM2576HV doesn't work
  20. LFP battery supply for power amp
  21. LM317/337 as current regulator
  22. Power supply transformer selection for valve amp
  23. Regulated, dual-voltage power from DC-in
  24. Really simple psu explanation for amps.. where to look?
  25. Power supply for a Class A hybrid 6N11 headphone amp
  26. inrush current limiters for 3.3kva and 1,000,000uf per rail capacitors?
  27. better rectifier
  28. Using half of a center tapped winding
  29. auto-discharging large caps
  30. Recommendation for premade bipolar PS board?
  31. looking for current limiting tutorials
  32. Pls recommend me good linear regs
  33. SMPS for small signal analog circuits
  34. Diode Tutorial & How to build an AC to DC power supply - NOOB FRIENDLY VIDEOS
  35. Kenwood Protection Circuit Help Needed. PSU Voltage High.
  36. can I use converter to 24v from 12v battery
  37. Broke my Toriodal (zero dac)
  38. +/- 8V TO +/- 5V
  39. Power supply recommendation for simple hybrid headphone amplifier
  40. weird buzz when PSU is turned off
  41. Cheap SLA Charger???
  42. hi power SMPS
  43. Transformer choice
  44. Simple power supply for 12Ax7 buffer tube.
  45. preparing a new smps
  46. How to deal with powerup surges due to high output capacitance.
  47. First 300v regulator. Please check
  48. Capacitor power
  49. Why not Schottkys ?
  50. AC to DC power supply schematics?
  51. Simplest 19VDC/4A from 220acV/50Hz??
  52. Bypass caps?
  53. Hot isolation transformers
  54. Capacitance vs Ripple current
  55. current controlled cutoff advice please
  56. transformer is buzzing
  57. Battery Bank for Audio Gear
  58. power input question
  59. is this possible with a 12vac wallwart
  60. PSA-1225 Power supply diagram
  61. I need help with voltage regulators
  62. mosfet bjt advantages siries pass reg?
  63. Wiring Lap Top battery question
  64. multi device PSU
  65. Using inappropriate op-amp for high side sending
  66. Single to dual DC
  67. what guage/AWG cables do you use your for your amps?
  68. Transformer Query
  69. Nuforce iDo power supply upgrade?
  70. Increase out current of ICL7660S
  71. Program for designing with common regulators
  72. Power off "pop"
  73. Seeking off the shelf flyback transformer
  74. trasformer for kenwood GE-5020
  75. output filter inductor design
  76. Some basic questions on transformer with two secondaries
  77. feedback compensation dc dc
  78. 'wind up' amplifier
  79. Question re: Transformer vibration
  80. optimising psu for load?
  81. Modifying Ebay Boost Converter for Tube Amp B+
  82. Easing up inrush current buring relays in DIY trigger
  83. Choosing the right toroidal transformer
  84. Same value Big caps and small caps
  85. diode at smps
  86. Preamp - Mic - Speaker Help
  87. connection of lm317 to body?
  88. Confused with Toroid Transformer
  89. IGBT emitter to gate diode
  90. push pull converter 12Vdc to 310 V dc drain voltages problem,im confused
  91. hopefully sorta simple question. powering a chip amp
  92. 4A-5A Regulated 12-15V Supply
  93. Simple HF noise filter for 300VDC supply?
  94. Parallel Tube Rectifiers
  95. Sealed lead acid power supply circuit
  96. Tantalum bypass .1uf after the psu caps? Reduced RFI?
  97. Color coding
  98. Problem with voltage doubler circuit
  99. Denon PMA-520 Power supply
  100. will this power this amp
  101. X capacitors across power switch causing it to stop working?
  102. Covert to Variable voltage
  103. Stupid question re: Center Tap
  104. Power supply for mixer
  105. Is anyone familiar with this Transformer
  106. Glassware Janus Shunt or regulated B+ (like Salas) for tube headphone amp?
  107. Low noise symmetrical PSU TPS7A4701 and TPS7A3301
  108. paralleling 10uf polyster to the psu bank increases sound quality? any benefits?
  109. Klipsch RW-12D power supply with issues
  110. Advice on dual power supply needed.
  111. Please recommend Low noise regulator for 60V
  112. need a variable PSU
  113. Question about Voltage Multiplier
  114. Managing ATX power on etc with a TPS3510
  115. 12v to 18 volts converter
  116. Fuse and Diode blown on switch off
  117. Repurpose an X-BoSoZ PSU
  118. Pure USB powersupply
  119. anyone relocate an onboard 120/220 voltage selector switch?
  120. Xpiq ECM40USxx
  121. non feed-back emitter follower reg
  122. A very trivial way to check power supplies noise.
  123. Battery power amp has virtual earth point(+13v?). bi ampable with mains grounded amp?
  124. Bipolar cap as local decoupling ?
  125. multi-feed pwm 12-24v adjustable bench supply controller.
  126. Identifying AC mains smd devices (possibly PTCs)
  127. Apex A-class PSU problem
  128. JFET RIAA Phono power supply - which batteries are best?
  129. Charging 8 AA Batteries in Boombox?
  130. Slowblow fuse burns after power's been removed
  131. Where to find power supply or transformer ?
  132. LT1084 based power supply for NAS digital streaming
  133. Combine different sized rectifier caps?
  134. Toroid Primaries Question
  135. Bypass Caps
  136. Amps from China VS Crown Refence1
  137. simple tl431 regulation
  138. Pi filter for a 12V DC supply
  139. UK supplier of R or C core transformers?
  140. lm723 variable supply schematic question
  141. HQ low noise 5Vdc 2A PSU, kit or ready made?
  142. dual power supply noise issue
  143. AnTek Toroid Grounding
  144. 220 -> 2x50V whit IR2153 and PCB
  145. Interested in ADM7151 regulator?
  146. Multiple amp modules powered by one or two PS
  147. Question about electrical shock
  148. unused secondaries
  149. transformers and noise
  150. Interesting power supply module on Kickstarter
  151. transformer identification. need help.
  152. Paul Hynes power supplies nobody does it better
  153. GreenForce power supply
  154. Recommendations for a quality 'Off the Shelf' SMPS
  155. Filtering of HF content
  156. 0 on input VAC
  157. Electrolytic capacitors physical size
  158. Tascam M-2600 Power Supply Problem
  159. Laptop power supply 4 pole/ 4 pin plug and socket
  160. Problem with Jung regulator
  161. Switching Power Supply Safety & Mounting?
  162. variable voltage input=output inverter
  163. Local PS bypass caps.. are these good for audio?
  164. Can't we make SMPS simpler?
  165. Anyone Own a Diamond Audio D3 1000.1 amplifier?????
  166. Using the LM117K Adjustable Regulator
  167. Learning how to BUCK DC-DC
  168. Lepai LP-2020A+ amp with Anker Battery Supply
  169. Breaking my head over AC+DC heater reference
  170. diy power inverter
  171. Flyback SMPS question.
  172. Pi filters
  173. Center Tap VDC and -VDC and still use the 48VDC phantom power without doubler?
  174. Filter Choke Question
  175. Mounting toroidal transformers without proper monuting kit
  176. Constant voltage / constant current transformers
  177. Power smps for welding.
  178. help to make a simple psu for my LM3886
  179. TL431 High Voltage Regulator - How to get it thermally stable?
  180. ultra low noise like 50uV from the psu for 80V 15A possibility?
  181. Tl431, MOSFET shunt voltage regulator
  182. Linear PSU's in Parallel?
  183. regulated supply oscillation or whatever that is
  184. Series Pass Regulators driven by 3-terminal regulators
  185. Cunning Virtual Ground Circuit...
  186. Help identifying a PS
  187. Make your Printed Circuit Board (PCB):
  188. help id
  189. Which Resistor is the OPTIMAL Choice for Earthing/Grounding yourself ?
  190. 4.4VA 56VCT transformer powering more than I think it should (and not sagging)
  191. Voltage Tripler for Bias Tap
  192. Measuring power supplies - some results by Bjørn Kolbrek
  193. PSU transformer wiring help?
  194. ultra low noise PSU recommendations for VAS of the LME49830
  195. What would happen if ?
  196. Current capability of litz wire.
  197. Difference in +V/-V -- OK?
  198. help comparig & choosing between 1X230V or 2X150V transformers
  199. SMPS choice with 110/230v input
  200. A simple LT1763 based 5V PSU
  201. Zener Follower - what did i do wrong?
  202. LifePo BMS and audio quality
  203. Limiting resistor values
  204. Power transformer from Marantz SR2700?
  205. Transformer Help??????????????
  206. robbing from the positive rail
  207. LP-2020A+ power supply noise
  208. Anyone have the 3C6A ferrite material specification Sheet
  209. Power supply caps: They're not all equal
  210. Amp PS Building rookie questions
  211. How to check how dirty is the AC mains voltage
  212. Anyone here build power supplies as a service?
  213. Audible Illusions L1 Hissing Noise
  214. How to deal with Litz wire
  215. Parallel noise filters/traps for mains.
  216. milliamps, milliamps where do you go?
  217. Hooking up Power-One supply
  218. Question about tube amp supplies.
  219. ILP transformer va?
  220. How to knock the voltage down?
  221. decommissioned 3Par battery. help please?
  222. Help with 250V regulator
  223. Thoughts on running LED's from high voltage into a constant current sink.
  224. Control-to-Output or Open-Loop Measurement
  225. Bevois Mains Transformer
  226. Using off-the-shelf noname smps for gainclone/d-amp
  227. Noisy toroidal transformers
  228. Secondary wiring w/ 2 different windings
  229. Dc rail voltage increase on power Amplifer?
  230. NiMH Battery and charger, charge and run?
  231. 2kW Full Bridge SMPS Design
  232. 250Watt Class D Amplifier IRS2092S and IRFI4020H-117P
  233. Is it possible to use separate batteries for preamp and amp
  234. O-Audio Bash 500 psu schematics?
  235. Isolation transformer questions
  236. BASH amp from PSB Subsonic 5i, blown fuses
  237. current limiter power dissipation
  238. Buy used Pioneer A-400 then modify or buy brand new amp?
  239. grounding
  240. ebay dc booster
  241. I need a help about SG3525
  242. I need help ,SG3525 car amplifier smps
  243. Current regulator circuit for Bench Power Suppy
  244. Any pitfalls to running SMPS in series?
  245. parallel transformers
  246. LM317 over 37Volt ?
  247. Power supply for DIY 2.1 Kit
  248. Checking an old variac to see if it's safe to use.
  249. PS Filter
  250. Negative Power Supply

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