Rom Circuitry; Control Circuitry; Self Test Stimulus Circuitry - Tektronix PM 101 Instruction Manual

Theory of Operation-PM 101
PROTECTION
-
CONTROL
0-9
PROTECTION
DATA
0-15
PROTECTION
ADDRESS
-
0-23
READ
ONLY
MEMORY
U1021
or U3021

ROM CIRCUITRY

Board A1-Schematic 18
/STOP S.U.T. -1--------1
CLK IN - ---�PROTECTION
OSCILLATOR
2917-05
4-2
HYSTERESIS
-
HYBRIDS
BUFFERS
U5045
U5041
U4045
U4041
U4043
HYBRIDS
HYSTERESIS
U2033
BUFFERS
U1032
U2031
U2043
U2041
U1041
HYSTERESIS
HYBRIDS
BUFFERS
U4036 -
U5031
U4032
U3031
U3034
U3041
U3042
U4041
U3044
U3040
+
Al0-Al10
--
Dl0-7
HYSTERESIS
0-7 -
BUFFERS
U1031
STATIC
PROTECTION
CR6052
CR6050
R6050
ATTENUATOR
STATIC
1-- -- -�
R6045
R6043
CR6041
C6048
CR6044
C6045
R6049
-
CLOCK
BUFFER
U3020
03015
Fig. 4-1. PM 101 Circuit Block Diagram.
---
DISABLES
-
Dl0-7
DISABLES
Al0-15
-
-
I
�
HYSTERESIS
BUFFER
1------------- - ---
HYSTERESIS
NETWORK
R6038 C6038
R6037 C4068
R6034 C6035
R6036
-
COUNTER
U5020
.
U4020
U2020
U1020
DATA TRANSFER CIRCUITRY
-
B oar d A1 Schematic 1A
-
Cl0-Cl9
;;..
Dl0-Dl15
-
-
::::-
Al0-Al23
-----
CONTROL CIRCUITRY
..
Board A1-S
chematic 18
LOOK
--::::
/SEL P
/HALT S.U.T.
CLOCK TRANSMISSION CIRCUITRY
Board A1-Schematic 18
BUFFERS
-
-
U4030 CLK T1 and
::.
U1030 T2-T21
U3020

SELF TEST STIMULUS CIRCUITRY

Board A2-Schematic 2
@