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Motorola R-20018 Manual page 150

Communications system analyzer

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6

3

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<

/

·'

40

41

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(

34

35

' /

28

29

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71-86

91·98

58

65

67

69

70

87

88

90

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:

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:

5 VDC +AM MOD

AM MOD + DC REF

(I)

INT MOD

(I)

INT MOD RTN (I)

EXT MOD (I)

EXT MOD RTN

(I)

1 KHz SINE

(I)

1 KHz SINE RTN

(I)

AO·A 15

DIJ.D7

NMI

HALT

EX TAL

RESET

IRQ

VMA

E

R/W

IEEE OPT DET

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UIO. 13. 21. 31

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DECODE

AND

CONTROL

LATCHES

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BUS

INTERFACE

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SEL SW

U24. 34. 44.

AND

51.64.65

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U27. 37, 47.

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52. 66. 67

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52. 66. 67

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U25. 35, 45.

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52. 64. 65

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INT MOD RTN 101

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EXT MOD RTN (01

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I KHz SINE RTN 101

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10 DB. 20 DB. 30 DB, 35 DB

DIOJ.DI08, DAV

NRFS, NOAC. ATH. IFC,

REN. SAO, EOI

(IEEE-488 BUS}

Figure 14-1.

IEEE Interface Module A8

Block Diagram

4

42

36

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1-14

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1·24

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