Pickering PXI 40-785, Руководство пользователя

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Page 2.2
MICROWAVE MULTIPLEXER MODULE 40-785
pickering
SECTION 2 - TECHNICAL DESCRIPTION
FUNCTIONAL DESCRIPTION
A functional block diagram is provided in Figure 2.2. The Microwave Multiplexer Module is powered by +12V and
+5V inputs via Compact PCI connector J1. The interface to the user test equipment is via the front panel mounted
SMA connectors. The module comprises a PCB which provides mounting for control logic, and a front panel which
provides mounting for the microwave relays (the remote -E option controls the relays via a 1.5m screened cable).
The relays are energised via control signals from relay drivers U10 and U11. The relay drivers are addressed by
PCI bridge U1, via output register U8, to output the required signal. PCI Bridge U1 is configured by EEPROM U2.
Figure 2.2 - Microwave Multiplexer Module: Functional Block Diagram
RELAY
DRIVER
U10
MODULE
CONFIGURATION
U5, U6 AND U7
PCI BRIDGE
U1
TERMINATING
RESISTORS
R4 TO R15
COMPACT PCI
BUS
CONNECTOR
J1
+12V
0V
OUTPUT
REGISTER
U8
+5V
RELAY
DRIVER
U11
1
2
3
4
5
6
C
1
2
3
4
5
6
C
MUX
BANK 1
MUX
BANK 2
PCI BRIDGE
CONFIGURATION
U2