Getting Started Guide 23
Exterior Features
Instrument-Facing Side
Port Connections to Measurement Instruments
Ports on the instrument-facing side of the M1740A are used in accordance
with the requirements of the connected instrument.
E7760B Wideband Transceiver
When the M1740A is connected to the E7760B Wideband Transceiver, port
connections are always as follows:
—
LO/Pwr/Ctrl/IF In
on the M1740A is connected to one of the "A" mmW
Ports of the E7760B (
A1
,
A2
, or
A3
).
—
LO/IF Out
on the M1740A is connected to one of the "B" mmW Ports of the
E7760B (
B1
,
B2
, or
B3
).
— The
A
and
B
mmW Ports on the E7760B are numerically paired (
A1/B1
,
A2/B2
, and
A3/B3
). In other words, if
A2
is the output port, then only
B2
can be used as the input port.
— These cabling connections are
not
to be changed if a "B" mmW port is
configured as an output rather than an input; signal routing through the
M1740A is automatically adjusted in such cases, to avoid the need for
re-cabling.
Other Instruments (by way of E7770A Common Interface Unit)
When the M1740A is connected to another type of test set, by way of the
E7770A CIU, port connections are always as follows:
—
LO/Pwr/Ctrl/IF In
on the M1740A is connected to the
LO/CTRL/PWR
port
for a given channel on the CIU
—
IF In
on the M1740A is connected to the
DUT IF OUT/HEAD OUT
port for
the same channel on the CIU.
—
IF In/Out
on the M1740A is connected to the
DUT IF IN/HEAD IN
connector
for the same channel on the CIU.
