5-12
Service Guide E8364-90001
Theory of Operation
PNA Series Microwave Network Analyzers
Source Group Operation
E8362A, E8363A, E8364A
Table 5-3
TEST SET I/O Connector Pin Assignments
DB-25 Female Connector
Pin Numbers
Name
Function
1
SEL0
TTL out, test set select bit 0, tied to 0 V
2
Sweep Holdoff In
TTL in, low level holds off sweep
3–6
AD12–AD8
TTL I/O, address and latched data
7
GND
0 V, ground reference
8
LAS
TTL out, active low address strobe (1
µ
s min)
9–11
AD4–AD2
TTL I/O, address and latched data
12
GND
0 V, ground reference
13
Interrupt In
TTL in, low level (10
µ
s min) aborts sweep
14
+22 V
+22 Vdc, 100 mA max.
15–16
SEL1–2
TTL out, test set select bits 1-2, tied to 0 V
17
AD11
TTL I/O, address and latched data
18
SEL3
TTL out, test set select bit 3, tied to 0 V
19–21
AD7–5
TTL I/O, address and latched data
22–23
AD0–1
TTL I/O, address and latched data
24
LDS
TTL out, active low data strobe (1
µ
s min)
25
RLW
TTL out, high = read, low = write
Summary of Contents for E8362A
Page 11: ...Service Guide E8364 90001 1 1 1 Safety and Regulatory Information ...
Page 19: ...Service Guide E8364 90001 2 1 2 General Product Information ...
Page 29: ...Service Guide E8364 90001 3 1 3 Tests and Adjustments ...
Page 79: ...Service Guide E8364 90001 4 1 4 Troubleshooting ...
Page 139: ...Service Guide E8364 90001 5 1 5 Theory of Operation ...
Page 169: ...Service Guide E8364 90001 6 1 6 Replaceable Parts ...
Page 215: ...Service Guide E8364 90001 7 1 7 Repair and Replacement Procedures ...
Page 287: ...Service Guide E8364 90001 A 1 A Error Terms ...
Page 303: ...Service Guide E8364 90001 B 1 B Option Enable Utility ...
Page 309: ...Service Guide E8364 90001 C 1 C Firmware Upgrades ...
Page 313: ...Service Guide E8364 90001 D 1 D Operating System Recovery ...