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  1. Through hole much too large
  2. Capacitor size after zero-feedback PS
  3. Electrified case
  4. Power conditioner from a 5KVA power transformer?
  5. Reflektor-D builds
  6. Which diode specifications for equivalence?
  7. 12 v power supply
  8. uc3845 forward converter smps
  9. Cheap high voltage high wattage dual rail SMPS devices
  10. Inrush Current Protection for Power Amp PSU
  11. power supply for IRS2092S chip amp
  12. PSU replacement for my analogue 28/24/2 mixer
  13. rule of thumb multipliers for PS rectifiers and filters to achieve required voltage
  14. Slow charge
  15. need ac power for amp
  16. Simple 20 volt DC from 220 AC circuit
  17. A1000SMPS 1KW SMPS Turning on and Off when Powered On. Help!
  18. Switch on/off protection
  19. Which Capacitors Should I Use?
  20. power supply with chokes
  21. PS Help
  22. Transformer secondary calculations.
  23. Volt dividers after Power supply for different parts of the circuit ?
  24. bipolar vs unipolar, generic power adapters ?
  25. -15 volt regulator
  26. Help Identifying unknown Transformer
  27. Half B+ taken from center tap
  28. Edison Solar Power Supply Unit (ESPSU)
  29. SPST or DPST power switch?
  30. Fast recovery diodes
  31. problems with diy 24v linear PSU
  32. Soft start circuit design and other psu issues
  33. smart battery charger
  34. inductor current rating
  35. LM317/377 Regulator Trimming Resistor
  36. Need Help Building a Power Supply
  37. What can I use this badass transformer for?
  38. power supply regulator and EMI/RFI
  39. Switching a transistor off
  40. step up or down
  41. eBay 12v battery help!!!
  42. Half bridge tube smps 2.sec.transf. back to back ? ?
  43. 3 legs regulators best swap
  44. Temp compensation in floating lead acid batteries ?
  45. softstart, lightbulb test and old caps
  46. Fast start-up Capacitance Multiplier
  47. Will this preamp supply work?
  48. PSU designs
  49. Calculate mains fuse
  50. Humming problem in Chipamp
  51. IR2153 Full Bridge + 4 x EI33 from ATX 1200W
  52. Universal transformer
  53. Buzzing brings me down
  54. Torridal Transformer designing
  55. Regulator and Delay help
  56. External power supply - DC or AC umbilical ?
  57. Use and mods to Analog Metric SR50 Shunt Regulator
  58. DGND AGND on PCB
  59. Hiraga
  60. TA1000PS - PSU for audio amplifiers with protection, sofstart and fan controller
  61. LC Low Pass Filter Design.
  62. powering a class D amp with a tube pre amp. Please help.
  63. Suggestions for Bipolar Power Supply PCB
  64. Power supply for amplifier fan
  65. Beginner TA3020 Kit PSU Questions?
  66. atx transformer homemade smps
  67. Transformer winding
  68. Film capacitor across secundaries - good or bad?
  69. Passive, low pass filter issue.
  70. Some mains wiring help.
  71. Beginner is an Understatement
  72. cap multiplier suggestions wanted
  73. SMPS IR2153 problem and review
  74. Gerbers - Low noise Power Supply for pre-amp type circuits
  75. Bewitch 300b fried power tranz.
  76. DIY toroid transformer shield
  77. 12V battery powering amplifier with a bridge rectifier
  78. Burning Fuse
  79. Enough current to turn on 3 mosfets?
  80. Why do power supplies have dedicated Live and Neutral connections?
  81. Voltage Doubler & Normal Full Wave Rectifier on Same Winding
  82. Lead acid battery with capacitor bypassing
  83. Simple question regarding heatsinks for diodes
  84. Can an Epcos B41560 or B41580 be a Filter capacitor?
  85. How to connect the SMPS
  86. MOSFET Series regualtor for valve amp
  87. flat wire toroid supplier
  88. three 6V SLA for powering TPA3116
  89. 12N60C MOSFET substitute
  90. Reusing old transformers
  91. Trying to hook up a Lepai LP168HA to my car
  92. A kind question about PSRR ... does it change with freq in the audio band ?
  93. Rush Cascode Regulator
  94. Gate drive transformer advice
  95. FAKE LM337s or, what did i do wrong?.......
  96. Dual rail 337 pnp and 317 npn?
  97. Hammond Transformer Question
  98. Pedalboard Power Supply Polarity
  99. Noise from 12-24v stepup
  100. Basic V/R question
  101. Broken Mains Conditioner
  102. Taskam Midistudio 644 PSU
  103. testing correct wiring of common mode choke
  104. The 2n3055 voltage regulator
  105. AC adapter noisy for older guitar pedals
  106. Noise on ground
  107. linear PS +12, -12, +5v, help building
  108. 12 volt /5 amps off mains vs 12 volts/3 amps off battery power for mini-amp?
  109. Backpowering from USB
  110. Problem with LM2577-ADJ
  111. DAC regulators advice
  112. help mosfet soa and graphs please
  113. Hypex SMPS400A180
  114. Need some help about transformer rating for amplifier
  115. (ask) SMPS ATX PROBLEM
  116. Jolida SJ202a Power Transformer
  117. Belleson.com down
  118. Heater switching power supply with LM2576HV doesn't work
  119. LFP battery supply for power amp
  120. LM317/337 as current regulator
  121. Power supply transformer selection for valve amp
  122. Regulated, dual-voltage power from DC-in
  123. Really simple psu explanation for amps.. where to look?
  124. Power supply for a Class A hybrid 6N11 headphone amp
  125. inrush current limiters for 3.3kva and 1,000,000uf per rail capacitors?
  126. better rectifier
  127. Using half of a center tapped winding
  128. auto-discharging large caps
  129. Recommendation for premade bipolar PS board?
  130. looking for current limiting tutorials
  131. Pls recommend me good linear regs
  132. SMPS for small signal analog circuits
  133. Diode Tutorial & How to build an AC to DC power supply - NOOB FRIENDLY VIDEOS
  134. Kenwood Protection Circuit Help Needed. PSU Voltage High.
  135. can I use converter to 24v from 12v battery
  136. Broke my Toriodal (zero dac)
  137. +/- 8V TO +/- 5V
  138. Power supply recommendation for simple hybrid headphone amplifier
  139. weird buzz when PSU is turned off
  140. Cheap SLA Charger???
  141. hi power SMPS
  142. Transformer choice
  143. Simple power supply for 12Ax7 buffer tube.
  144. preparing a new smps
  145. How to deal with powerup surges due to high output capacitance.
  146. First 300v regulator. Please check
  147. Capacitor power
  148. Why not Schottkys ?
  149. AC to DC power supply schematics?
  150. Simplest 19VDC/4A from 220acV/50Hz??
  151. Bypass caps?
  152. Hot isolation transformers
  153. Capacitance vs Ripple current
  154. current controlled cutoff advice please
  155. transformer is buzzing
  156. Battery Bank for Audio Gear
  157. power input question
  158. is this possible with a 12vac wallwart
  159. PSA-1225 Power supply diagram
  160. I need help with voltage regulators
  161. mosfet bjt advantages siries pass reg?
  162. Wiring Lap Top battery question
  163. multi device PSU
  164. Using inappropriate op-amp for high side sending
  165. Single to dual DC
  166. what guage/AWG cables do you use your for your amps?
  167. Transformer Query
  168. Nuforce iDo power supply upgrade?
  169. Increase out current of ICL7660S
  170. Program for designing with common regulators
  171. Power off "pop"
  172. Seeking off the shelf flyback transformer
  173. trasformer for kenwood GE-5020
  174. output filter inductor design
  175. Some basic questions on transformer with two secondaries
  176. feedback compensation dc dc
  177. 'wind up' amplifier
  178. Question re: Transformer vibration
  179. optimising psu for load?
  180. Modifying Ebay Boost Converter for Tube Amp B+
  181. Easing up inrush current buring relays in DIY trigger
  182. Choosing the right toroidal transformer
  183. Same value Big caps and small caps
  184. diode at smps
  185. Preamp - Mic - Speaker Help
  186. connection of lm317 to body?
  187. Confused with Toroid Transformer
  188. IGBT emitter to gate diode
  189. push pull converter 12Vdc to 310 V dc drain voltages problem,im confused
  190. hopefully sorta simple question. powering a chip amp
  191. 4A-5A Regulated 12-15V Supply
  192. Simple HF noise filter for 300VDC supply?
  193. Parallel Tube Rectifiers
  194. Sealed lead acid power supply circuit
  195. Tantalum bypass .1uf after the psu caps? Reduced RFI?
  196. Color coding
  197. Problem with voltage doubler circuit
  198. Denon PMA-520 Power supply
  199. will this power this amp
  200. X capacitors across power switch causing it to stop working?
  201. Covert to Variable voltage
  202. Stupid question re: Center Tap
  203. Power supply for mixer
  204. Is anyone familiar with this Transformer
  205. Glassware Janus Shunt or regulated B+ (like Salas) for tube headphone amp?
  206. Low noise symmetrical PSU TPS7A4701 and TPS7A3301
  207. paralleling 10uf polyster to the psu bank increases sound quality? any benefits?
  208. Klipsch RW-12D power supply with issues
  209. Advice on dual power supply needed.
  210. Please recommend Low noise regulator for 60V
  211. need a variable PSU
  212. Question about Voltage Multiplier
  213. Managing ATX power on etc with a TPS3510
  214. 12v to 18 volts converter
  215. Fuse and Diode blown on switch off
  216. Repurpose an X-BoSoZ PSU
  217. Pure USB powersupply
  218. anyone relocate an onboard 120/220 voltage selector switch?
  219. Xpiq ECM40USxx
  220. non feed-back emitter follower reg
  221. A very trivial way to check power supplies noise.
  222. Battery power amp has virtual earth point(+13v?). bi ampable with mains grounded amp?
  223. Bipolar cap as local decoupling ?
  224. multi-feed pwm 12-24v adjustable bench supply controller.
  225. Identifying AC mains smd devices (possibly PTCs)
  226. Apex A-class PSU problem
  227. JFET RIAA Phono power supply - which batteries are best?
  228. Charging 8 AA Batteries in Boombox?
  229. Slowblow fuse burns after power's been removed
  230. Where to find power supply or transformer ?
  231. LT1084 based power supply for NAS digital streaming
  232. Combine different sized rectifier caps?
  233. Toroid Primaries Question
  234. Bypass Caps
  235. Amps from China VS Crown Refence1
  236. simple tl431 regulation
  237. Pi filter for a 12V DC supply
  238. UK supplier of R or C core transformers?
  239. lm723 variable supply schematic question
  240. HQ low noise 5Vdc 2A PSU, kit or ready made?
  241. dual power supply noise issue
  242. AnTek Toroid Grounding
  243. 220 -> 2x50V whit IR2153 and PCB
  244. Interested in ADM7151 regulator?
  245. Multiple amp modules powered by one or two PS
  246. Question about electrical shock
  247. unused secondaries
  248. transformers and noise
  249. Interesting power supply module on Kickstarter
  250. transformer identification. need help.

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