View Full Version : Power Supplies

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  1. Noise reduction with massive choke?
  2. A little tester to determine transformer PhaseDots with no scope or signal generator
  3. Please help to choose a step-down controller chip
  4. Microphone pre-amp phantom supply
  5. TPS7A4001 vs Salas shunt Reg
  6. Synchronous Rectifier Controller
  7. Amp power Supply
  8. One secondary voltage and two biases
  9. 6 tap auto transformer/Variac help please
  10. general smps power supply troubleshooting question
  11. Mains filtering for a digital equipment.
  12. My spin of a DC filter board
  13. Power Supply Caps - Standard vs Audio
  14. Specification of a toroidal transformer
  15. looking for diodes
  16. 12V trigger and triac
  17. LM317 Based Tracking Preregulator Dual PSU
  18. Can i use SMPS as a Toroidal transformer?
  19. Powering Stompboxes With Dual Supply From A Single Battery
  20. Supply capacitors for Voltage Regulators
  21. LT1963A & LT3015
  22. Why use tubes in the power supply?
  23. Board mount SMPS for a preamp or active crossover
  24. ir remote, control signal, or audio input power on circuitry?
  25. Filter Cap Question for Power Regulators
  26. Waveform deformation and voltage drop in transformer
  27. Building my own Voltage Regulator
  28. Building a 3,3 volt rechargeable circuit
  29. 4 Pole AC Mains
  30. Quad 303 main caps 5600uf too much?
  31. PSU rectifiers (alternative to On-semi B40250TG)
  32. having problem with negative salas
  33. signal ground to earth connection
  34. Stabilizing DC heaters [newbie]
  35. Ohm's Law application: choosing a resistor
  36. Tube power supply.
  37. Ceramic caps & Piezzo noise on digital stufs
  38. Induced buzz in Hammond 374bx
  39. Identyfying ferrite core material
  40. capacitor across main power switch
  41. Can a toroidal transformers be replaced with batteries?
  42. 10x8 Raw DC board with CR(L)C filter
  43. Quick PS inrush limiting (NTC) question
  44. Newbie looking for a 12v 3a PSU
  45. toroidal transformers
  46. Linear Integrated Circuits and MOSFETs, RCA Solid State Division, Somerville, NJ, 197
  47. LM338
  48. Current Feed back Power LDO regulator
  49. Thru hole bridge rectifier question
  50. Troubleshooting a blown fuse
  51. Help with chokes
  52. Duncan Amps PSU II: Locked Files
  53. Raspberry PI PSU with TPS7A8300 5V 2A
  54. Can anyone tell me something about my torodials
  55. Low noise toroidal transformer vs Normal toroidal
  56. Proper supply impedance for opamp
  57. High Power Constant Current Power Supply Designs
  58. 12v 100W-150W amplifier or supply for one
  59. audiophonics: power on and delay softstart board
  60. Shunt regulator circuit wanted
  61. SMPS failure. IR21531. Please help.
  62. one power supply for two mixers? possible ?
  63. SMPS overload protection specs
  64. OT (a little): 24 VDC power supply for control system
  65. inrush current limiter
  66. Twist on PS for Car audio amp
  67. any information on this odd power supply?
  68. Heat Dissapation in Voltage Follower Regulator
  69. Convert a System to Single Battery DC Use: Amp Circuit Req. 24v-0-24v
  70. Look ma, no center tap
  71. Help designing LM338 PS
  72. toroidal wiring
  73. upgrade suggestion 645vdc supply
  74. 12V to 19.5V Laptop Computer Boost Converter
  75. Need some help with wiring a SMPS800RS
  76. PSU Smoothing caps change, Now 1 of the internal fuses blows on power up, help :-o
  77. Switching power supplies and stability?
  78. Broadband Noise
  79. Thermal Cutoff Fuse
  80. Understanding PSU requirements for class D
  81. SG3525 ferrite transformer calculation
  82. XLR cable?
  83. Advice on power supply servicing
  84. transformer question
  85. Look for the schematic of the old radio power-supply Schaub Lorenz NG 1000
  86. whats the cheapest way to get 15000uf?
  87. Phantom power from 9V
  88. Build DIY rectifier or buy premade one from Sure?
  89. Power Supply math question .. Hurrah!
  90. Powering amp that needs 2x18V with 2x12V trafo?
  91. Systron Donner TL8-3 Trygon Power Supply repair
  92. Linn Lingo Power Supply, 1994 model breaking down
  93. [NEW] SoftStart+Push Button V1.0
  94. TAS5630 VDD Supply
  95. difference between trafo's
  96. First-Time DIY Power Supply: Capacitor Help
  97. Possible phono power supply?
  98. Sorces/recommendations for Amp Camp Amp PSU?
  99. Got a 6-0-6 v ca 72 VA transformer, what should I do with it?
  100. Should I go off the Bridge or off the regulated supply?
  101. Viz Isotap II
  102. PSU Works on breadboard NOT on PCB?
  103. definitive MOT usage
  104. Looking for a small off the shelf SMPS for active speaker filter
  105. Illustration of critical inductance
  106. Stupid Question?
  107. Power Conditioner?
  108. Build Your Own Transformer
  109. High Voltage adjustable Maida supply problem
  110. Headscratching with voltage & low leakage
  111. Shared power supply
  112. 5v, 3A Linear PS for Pi2/DAC
  113. What does preamp PSU oscillation look like for linear regulators?
  114. 2x18v(0-18v and 0-18v) transformer as a dual transformer
  115. HQ Low noise 4-quadrant PSU with 2xLM3886
  116. NTC thermal shutdown
  117. Drop Wall Wart from 12v AC to 9v AC output
  118. Wima DC-Link as filter cap
  119. Better than a wall wart?
  120. Toroid EMF pickup.
  121. Krell KAV 300CD Transformer Outputs
  122. Power supply for car audio Kenwood DDX5901HD for home use?
  123. FUSE on psu output
  124. 1kW resonant SMPS
  125. Big large capacitor or many small type ?
  126. Boost Converter for Car Audio TPA3116D2
  127. power transformer for Glassware PS-4
  128. What's a voltage regulator for a digital circuit's favourite power supply?
  129. High Voltage Regulated 0-300 supply schematic
  130. Yet another ultra low noise high PSRR LDO - LT3042
  131. Is This Power Supply Possible
  132. Simple push pull design
  133. SMPS sounding better than good linear ps?
  134. GDT, Gate transformer driver
  135. Krell Kav 300cd fault
  136. help wiring multiple winding tranformer
  137. TL431 "dropout voltage" measurement: 1.96V
  138. Primary Waveform in the Half-Bridge SMPS
  139. Power supply question
  140. Please Advice My New Design.
  141. Value for a DC rail shunt cap?
  142. New age circuit construction
  143. Three pin voltage regulator
  144. Odd, slight voltage increase over long time periods
  145. power transformer question
  146. 5Z3P 6N9P EL34 Chinese amp kit
  147. prototype power supply layout idea
  148. Advice/critique on my H-Bridge Design please.
  149. LittleFuse 345 holder/2.5A-SB kinda Just Blew Up haha
  150. X power 1750plus inverter reversed 12v input polarity
  151. Noisy amplifier?power supply
  152. Need advice on Power Supplies
  153. Welborne Labs PS1
  154. Marantz 2235b- P800 PSU problem
  155. 400V and 300V supply voltage clamp?
  156. Choosing and designing my own AC-DC power supply
  157. Cheat Method to Power a Subwoofer?
  158. cheap toroidal any good
  159. UV LED flood light, power supply
  160. Improving zener follower regulator in preamp
  161. Regulated supply help
  162. Will these transformers be beneficial to me in anyway?
  163. BEHRINGER lpa1180 rev j
  164. Power supply
  165. Line Current for (XFormer + Rectifier + LDO)
  166. Questions regarding the build-up for 100A 12V SMPS
  167. LT3080 PCB
  168. Ebay Regulated Supply Opinions
  169. The SMPS HYS3C300 - No STBY + -7V identification element
  170. pls help to choose right trafo for burned
  171. 48V PSU- Trimpot frying
  172. LP Filter for Adjustable Pedal Supply
  173. Can one tell if PSU is the problem just by listening?
  174. Hum on ayon cd player power supply
  175. Glassware rotary on/off switch
  176. How to calculate the size of the heat sink
  177. Improving capacitance multipliers
  178. Tentlabs Shunt Reg Schematic
  179. hypex ucd400 power supply
  180. What power supply for P7 mini preamp
  181. Relay contact protection
  182. Realistic STA-250 Repair
  183. PSU for 12v set up - please help!
  184. Using IR2101 as LO-HI side driver IC
  185. how to apply transformer snubber to a centre tapped secondary and 2 diode full wave?
  186. PCB hole with solder current rating. need confirm?
  187. Parallel caps, wire resistance
  188. Advice on PWM controller for 12v battery use.
  189. questions on simple mosfet regulator
  190. Transfromers position
  191. Noise floor 8 dB higher on 3 prong vs 2 prong "cheater" jack?
  192. Low voltage tube based supply for turntable?
  193. Positive and negative voltages from 2 LM350
  194. phx7nq60e equivalent
  195. electrolitic capacitor types for amps/preamps
  196. Where to put the largest capacitor?
  197. 1.2V Regulator
  198. Snubbing quandaries
  199. Coleman Supplies
  200. fusing pri
  201. Field Coil Power Supply DIY
  202. Chokes in the return line - bypassing the HV problem?
  203. Turns ratios help needed on SMPS.
  204. Choose a AC to DC switching supply
  205. How do I best re-start an old power supply?
  206. How to wire a power indicator LED from a bipolar PSU?
  207. Is there a problem with this transformer, or the capacitors?
  208. +/- 15 volt power supply
  209. Choke BEFORE rectifier
  210. Schottky negative power supply?
  211. Choke power supply guidance
  212. Power supply
  213. Poly caps in place of electrolitcs?
  214. 12v Power Supply Build Request for Driverack PA2
  215. Inductor power rating
  216. wiring secondaries on a 1,5kw autotransformer
  217. Help with understanding electrical output/demand when using a computer PSU to 12v amp
  218. Power transformer repair or rewinding needed.
  219. Voltage Doubler PSU-Newbie
  220. Another Odd Power Transformer
  221. Transformers: two single secondary vs single dual secondaries
  222. I need power supply help, single winding transformer AC-DC
  223. sr-4a receiver amp
  224. sr-4a receiver amp
  225. Confused about DC supply board
  226. Is there any harm in using an overspecified power transformer?
  227. Power LDO PSU with TL431
  228. tapping 12v power suppy to 2 equipment
  229. Transformer for 1kW SMPS.
  230. Selecting Power Transformers for Tube Amp
  231. How to hookup an illuminated power switch or button
  232. Delay circuit, more delay time needed
  233. How to wire a rotary rheostat to my cooling fan
  234. Tip on noiseless transformer.
  235. Building my first PS
  236. dual-mono PSU question
  237. Just move the psu transformer to an external box... Easier said than done... Help!
  238. Amp goes off with the bass
  239. PSU for Metrum Octave nos dac
  240. PS to AMP6B from 41hz and Rasperry Pi
  241. Interesting Power Transformer
  242. speaker inductors used in psu?
  243. Pulling My Hair Out
  244. Multi Power Input Paths
  245. DC Mains filter to remove buzzing trafos
  246. Aragon 4004II - rewiring from 240V to 120V
  247. regulated or not for claas d?
  248. OK to wire the transformer this way?
  249. linn Valhala Power supply
  250. +-80 v SMPS -DIY READY

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