Getting Started
R&S
®
SMBV100B
50User Manual 1178.4460.02 ─ 03
I/Q
I and Q inputs for external analog modulation signal directly fed into the I/Q modulator.
For more information, see Chapter 8.4.1.4, "Overview of the Input and Output Signals
and Interfaces", on page 436.
Ref In/Ref Out
Input/output for external reference signal.
Incl. dedicated connectors for the 1GHz reference signal.
See Chapter 6.8, "Reference Oscillator", on page 298.
LF
Output for internal LF generator signal.
See also data sheet and user manual, section "Analog Modulation".
Mod Ext
Input for external analog modulation signals.
See Chapter 6.11, "Analog Modulations", on page 346.
Pulse Video
Output of the internal pulse generator signal or the looped through pulse signal from
Pulse Ext connector (video signal).
See Chapter 6.11.4.1, "Pulse Modulation Settings", on page 349.
Pulse Ext
Input for an external pulse modulation signal or an external trigger/gate signal for the
pulse generator.
Signal Valid
Output signal that marks the valid signal times (valid level and frequency) for all analog
modulations.
Inst Trig
Input for external trigger of sweeps and list mode.
For detailed information on the sweep modes and the triggering, see Chapter 6.10.1,
"Signal Generation and Triggering in the Sweep and List Modes", on page 312.
IEC 625/IEEE 488
GPIB-bus interface for remote control of the instrument.
The IEC 625 interface is in compliance with IEEE488 and SCPI. A computer for remote
control can be connected via this interface. To set up the connection, we recommend
that you use a shielded cable.
Note: To avoid electromagnetic interference (EMI) caused by open lines, always termi-
nate any connected IEC-bus cable with an instrument or a controller.
See also Chapter B.1, "GPIB-Bus Interface", on page 982 and Chapter 11, "Network
Operation and Remote Control", on page 550.
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