U1  LM317T
U2  LM7805T
U3  MC7806T
U4  74HC393
U5  74HC393
U6  74HC595
U7  74HC157
U8  74HC245

Q1  BC548
Q2  BC558
Q3  MPSA65
Q4  BC548
Q5  BC558
Q6  MPSA65
Q7* MPSA65

C1  470uF RB ELECTRO
C2  10uF TANT
C3  10uF ELECTRO
C4  10uF ELECTRO
C5  10uF ELECTRO
C6  0.1uF MKT
C7  0.1uF MKT
C8  0.1uF MKT

R1  120R
R2  1K0
R3  1K0
R4  1K0
R5  1K0
R6  1K0
R7  1K0
R8  1K0
R9  1K0
R10 1K0
R11 1K0
R12 4K7
R13 4K7
R14 ????
RP1 8x4K7 SIP
VR1 200R VERT TRIMPOT

5mm RED LED
D1  1N4004
D2  1N4004
D3  1N4004

28 PIN SOCKET
DPDT PCB SWITCH
28 PIN DIP
28 PIN ZIF SOCKET*
26 WAY HEADER*
26 WAY RIBBON
DB25 MALE IDC CONECTOR*
or DB25 MALE PLUG
2 PIN SIP PLUG*

*PARTS MARKED ARE OPTIONAL SEE TEXT.
*YOU WILL ALSO NEED A PC BOARD.



                    DSE #   $       ALLTRON $

U1 LM317T           Z6541   2.50    Z0545   2.95
U2 7805             Z6545   1.65    Z0505   1.75
U3 7806                             Z0506   1.75
U4 74HC393          Z5974   1.95    Z8893   2.00
U5 74HC393          Z5974   1.95    Z8893   2.00
U6 74HC595          Z5982   3.60    Z8924   2.50
U7 74HC157          Z5925   1.25    Z8657   1.50
U8 74HC245          Z5955   3.00    Z8745   1.50              

Q1 BC547            Z1300   0.30    R1040   0.20
Q2 BC557            Z1340   0.30    R1055   0.20
Q3 MPSA65           Z2088   0.40
Q4 BC547            Z1300   0.30    R1040   0.20
Q5 BC557            Z1340   0.30    R1055   0.20
Q6 MPSA65           Z2088   0.40
Q7 MPSA65*          Z2088   0.40

R1-10 1K0           R1074   0.05    R0046   0.05
R11   120           R1052   0.05    R0035   0.05
R12   4K7           R1090   0.05    R0054   0.05
R13   4K7           R1090   0.05    R0054   0.05
R14   220-1K0       R????   0.05    R????   0.05         
RP1   4K7x8 SIP
VR1   200R          R1931   0.50    R2503   0.50

C1-3  0.1uF MKT     R3025   0.45    R3025   0.35
C4-6  10uF Electro  R4316   0.30    R5065   0.25
C7    10uF Tant     R4750   1.10    R2638   1.10
C8    470uF Electro R4420   0.75    R5164   0.70

L1 5mm LED          Z4085   0.50    Z0150   0.20
D1-3 1N4004         Z3204   0.10    Z0109   0.15

28 PIN IC SKT       P4245   0.75    P0582   0.70
DPDT SLIDE          P7600   3.30    S2063   1.10
26 WAY HEADER       P2728   4.00    P5410   1.00
26 WAY IDC          P2748   3.30    P5326   1.85
DB25 IDC MALE       P2693   8.00    P4140   3.60
26WAY RIBBON        W2750   3.00    W2626   2.85
2 PIN SIP           P2731   1.00    P5472   0.50
2.5mm SOCKET        P1655   2.00    P0135   0.75
12AC PLUG PACK      M9655  24.95    M9120  14.50
                              
                           76.45           50.25

THESE PRICES ARE FROM MY MOST RECENT CATALOUGES
FROM BOTH COMPANIES.  IF A PART WAS NOT AVAILABLE
THEN THE PRICE FROM THE COMPETITOR WAS USED.  RP1
IS NOT AVAILABLE FROM EITHER, RS COMPONENTS KEEPS
SIP RESITORS IN STOCK (PACKS OF 5).

THE PRICE OF THE PC BOARD AND ZIF SOCKET ARE NOT
INCLUDED.  THE ZIF SOCKET WILL COST $14-$30
DOLLARS.  THE PCB WILL COST $3-$15 DOLLARS TO MAKE
YOURSELF.

AT MORE SENSIBLE PRICES (MAIL ORDER/LARGE SUPPLIER)
THE TOTAL UNIT WILL COST LESS THAN $35 (W/O ZIF).