Pulse Width Modulation with current limiting

Parts List:

R1,R6,R11 = 10K                         C1 = 1000uF, 64V
    R2,R9 = 1K8                         C2 = 10nF, polyester 
       R3 = 100 ohm                     C3 = 100uF, 64V
    R4,R8 = 1K                          C4 = 22nF (0.022uF)
       R5 = 22K                         C5 = 47uF, 35V
       R7 = 1M
     *R10 = 0.003 ohm                D1,D2 = 1N4004
      R12 = 3K9                         U1 = LM7810, volt regulator
      R13 = 100K                        U2 = LM324, Op-amp
      R14 = 10 ohm/1 Watt               Q1 = IRFP064N, IRFZ44, etc.  MOSFet
       P1 = 20K (Frequency adjust)
       P2 = 10K (Duty Cycle)
       P3 = 1K (Current Limiting)
			
*see text

UNDER CONSTRUCTION

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