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35 AMP DESK TOP POWER SUPPLY

 A LM723 REGULATED SUPPLY WITH  SEVEN 2N3055's AS PASS TRANSISTORS. THIS 13.8 VDC, 35 AMP SUPPLY CURRENTLY POWERS THE HAM SHACK OF VK6HV.

 

ARTICLE #1   ARTICLE #2   ARTICLE #3   ARTICLE #4   ARTICLE #5   ARTICLE #6   REVISIT ARTICLE #1   REVISIT ARTICLE #2

schematic                                                                                                                                                                   

 

 

(yes, I know the amp meter only goes to 25 amps:)

FRONT VIEW

 

BACK VIEW

 

TOP VIEW - THE POWER TRANSFORMER RATED AT ABOUT 750 VA

 

LM723 REGULATOR AND THE 7) 2N3055's  .1 OHM METAL EMITTER RESISTORS

 

 HIGH AMP DIODE  MODULES MADE INTO A FULL WAVE BRIDE. EACH MODULE HAS 2 DIODES IN IT. EACH MODULES POSSIBLY RATED AT 75 -100 AMPS?

 

SEVEN 2N3055's. MOUNTED DIRECTLY TO THE HEAT SINK. THE HEAT SINK IS ELECTRICALLY ISOLATED FROM THE CHASSIS.

 

THE .075 OHM HIGH POWER WIRE WOUND CURRENT SENSING RESISTOR.

 

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