SFERICS MONITOR Parts List      

  Component         Description                 Digi-key #      

C1,2,13,15,24     1800 pfd 5% 100V polyester    P4776-ND
C7,8,20,21,27,29  180 pfd 10% 50V polyester     P4573-ND
C3,4,5,10,12,14,  0.1 mfd 5% 50V polyester      P4593-ND
  18,19,23,26,28 
  32,35,39,41,42
C6,30,31          15 pfd 10% 50V ceramic        P4014A-ND
C9,16,17,22,25    4700 pfd 5% 50V polyester     P4559-ND
                    Matched pair 16-17  
C11,38,39,40,43   22 mfd 25V 20% tantalum       P2051-ND
C33,34,36,37      1 mfd 25V 20% tantalum

D1,2,3,4,5,6,     1N4148 signal diode           1N4148DICT-ND
  7,8,9,10,11,12   
D13,14,15,16,17   LED red or green              P363-ND or P364-ND

L1,2,3            123-177 mh. pot core          NV243 Fair Radio, Lima,OH

R1,2,19,22,34,35  100 K 5% 1/4W                 100KQBK_ND
  39,41,42,45,74          
R3,4,7,8,21,24    13 K 5% 1/4W                  13KQBK-ND
  25,26,27,28,29    Matched pairs 4-8,21-24, 25-27,
  30,31,32,33,36,50,              26-28, 29-30 
  51,55,56,57,59,60,62,63                    
R5,9,20,23,       1 K 5% 1/4W                   1.0KQBK-ND
  48,65,75          Matched pairs 5-6, 20-23 
R6,10,17,64,      470  5% 1/4W                  470QBK-ND
  65,66,67,68
R11,12,44,53,54   51 K 5% 1/4W                  51KQBK-ND
R13,37,52,58,61   4.3 K 5% 1/4W                 4.3KQBK-ND
                    13,37 target value 4.17 K
R14,15,16,38,     8.2 K 5% 1/4W                 8.2KQBK-ND
  39,40             14,38 target value 8.34 K
R18,76,77         100 5% 1/4W                   100QBK-ND
R43               300 5% 1/4W                   300QBK-ND
R46               200 K 5% 1/4W                 200KQBK-ND
R47               390 K 5% 1/4W                 390KQBK-ND
R49               1 M 5% 1/4W                   1.0MQBK-ND

U1                LM837     Quad Op Amp         LM837N-ND
U2,4              LMC6484   Quad Op Amp         LMC6484AIN-ND
U3                CD4052    Multiplexer         CD4052BE-ND
U5,7              LM339     Quad comparator     LM339N-ND
U6                LM334     Current regulator   LM334Z-ND
U8                CA3096    Transistor array    CA3096CE-ND
U9                PIC16C73  Microprocessor OTP  PIC16C73B/20/SP-ND 
                                          EPROM PIC16C73B/JW-ND 
                  PIC16F873               FLASH PIC16F873/20/SP-ND
U10               MAX232    RS232 buffer
U11               78L05     5 volt regulator    LM78L05ACM-ND

X1                20.0 MHz. crystal             CTX062-ND       7-01-04