User Manual

Getting Started
R&S
®
FPL1000
43User Manual 1178.3370.02 ─ 03
This connector is provided by the "Additional Interfaces" option R&S FPL1-B5.
4.2.2.10 Aux. Port
A 9-pole SUB-D male connector used as an input and output for low-voltage TTL con-
trol signals (max. 5 V).
This connector is provided by the "Additional Interfaces" option R&S FPL1-B5.
Pin Signal Description
1 +5 V / max. 250 mA Supply voltage for external circuits
2 to 7 I/O Control lines for user ports (see User manual)
8 GND Ground
9 READY FOR TRIGGER Signal indicating that the instrument is ready to
receive a trigger signal.
The signal polarity is configurable.
Short-circuit hazard
Always observe the designated pin assignment. A short-circuit can damage the port.
4.2.2.11 IF/Video Output
The female BNC connector can be used for various outputs in the Spectrum applica-
tion:
●
Intermediate frequency (IF) output of approximately 20 MHz
●
Video output (1V)
Which output is provided is defined in the software ( "Overview" > "Output" ).
This connector is only available if the R&S FPL1-B5 option is installed.
For details, see "Data Output" on page 374.
4.2.2.12 Headphones Connector
The R&S FPL1000 provides demodulators for AM, FM and PM signals, which can be
routed to the headphone connector. With headphones or an external loudspeaker con-
nected to the 3.5 mm headphone socket the displayed signal can be identified acousti-
cally.
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