PCC D3400 - Page 104

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UPPER

SENSOR

DETECTOR

DEMUX. SECTOR

-----------.

OR

INDEX

ONL!.

UPPER

TIME-DEMULTIPLEXER

DEMUX.

INDEX

_

CLOCK

SIGNAL..]"

1 t

ELECTRONIC

SECTOR _

LOWER

SENSOR

DETECTOR

t

"HRESHOLD CONTROL

f

CLOCK

SIGNAL

(LCOBFI-

PROGRAMMING

ARRAY

INDEX

LOWER

TIME-DEMULTIPLEXER

I PHASE

~

11

PROGRAMMING

ARRAY

PORTION

OF

SECTORING

SELECTION

PROGRAMMING

ARRAY

PORTION

OF

SECTORING

SELECTION

PROGRAMMING

ARRAY

- --

-------------t-t--

-.

:ONTROL

PROGRAMMING

ARRAY

,

,

FILTER

~

SUM AND

-------

DIFFERENCE

r---

AMPLIFIER

FILTER

f--.+

R PHASE LOCK

LOOP

,

,

VOLTAGE

CONTROllED

OSCILLATOR

-

-

VCODIVIDER

FLIP-FLOP

COUNTER

t1

COUNTDOWN

PROGRAMMING

INDEX

L

SECTOR

UPPER

SYNCHRONIZER

LOWER

SYNCHRONIZER

UPPER SECTOR

COUNTDOWN COUNTER

r-'--

__

--

.......

t t

UPPER

ELECTRONIC

SECTOR PROGRAMMING

LOWER SECTOR

COUNTDOWN

COUNTER

~'-"""""'tt--

LOWER ELECTRONIC

SECTOR PROGRAMMING

-

UPPER

SECTOR

~,.

PUlSE

FORMER

LOWER SECTOR

- !-

PULSE

FORMER

I

~

UPPER

INDEX

~J'"

PULSE

FOAIIER

:

--

lOWER

INDEX

----:-

PULSE FORMER

UPPER

PLATTER SELECT

(NUP.IG,I--

.....

UPPER

PLATTER SELECT

(LIr.iGI

--

.....

IlUL

TIPLEXER

a>NTROLLOGIC

SELECTED

AND

READY

(NLSARGI--'"

UPPER COUNT

CONTROL

LOWER COUNT

CONTROL

r r

UPPER SECTOR

NUMBER

mUNTER

r r

LOWER SECTOR

NUMBER

mUNTER

SECTOR

PULSE

MULTIPLEXER

1

INDEX

PULSE

MULTIPLEXER

SECTOR

COUNT

MULTIPLEXER

110

I

I

1-_--IILo·"'-_~

SECTOR PULSE (lSPXDI

I

I

I

I

I

~

I

I

I

I

I

I

I

I

I-_--IIL..._

....

~

INDEX

PULSE (IIPXDI

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

I

1--------_

SECTOR COUNT (lSCnDI

10

Figure 4-12. Sector Electronics,

Functional Block Diagram

4-45/4-46

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