BILL OF MATERIALS Design: TRUE RMS PLASMA VU-METER Doc. no.: VUPLASM4.IDS Revision: 2.1 Author: Marc BAREILLE Created: 15-Sep-03 Modified: 26-Oct-07 Resistors --------- 2 R1,R2 100k 3 R3,R4,R6 10M 1 R5 22 1 R7 470k 4 R8,R12,R13,R21 1k 1 R9 33k 6 R10,R11,R16,R17,R19,R23 10k 1 R14 150 2 R15,R25 220k 1 R18 330 1 R20 20k 1 R22 5k1 1 R24 12k 1 R26 4k7 1 R27 10 2 R100,R101 0 Capacitors ---------- 2 C1,C4 2u2/25V 1 C2 4u7/25V 1 C3 10u 2 C5,C13 22p 5 C6,C9,C10,C12,C14 100n 2 C7,C8 22uF/25V 1 C15 4n7 1 C16 100u/25V 1 C17 22uF/200V Integrated Circuits ------------------- 1 U1 TL072 1 U2 THAT2252 1 U3 LM358N 1 U4 NE5532 1 U5 NE555 Transistors ----------- 1 Q1 MJE340 1 Q2 BC547 1 Q3 IRF840 Diodes ------ 2 D1,D2 1N4148 1 D3 BDY28-200 1 D4 zener 6V2 Miscellaneous ------------- 1 L1 coil 100uH/2A ( up to 330uH) 1 RV1 pot 22k ( option) 1 RV2 trimmer 1k ( or 5k - 22turns )