Rohde & Schwarz FSQ series, Quick Start Manual

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Quick Start Guide 1313.9652.62 - 02 1.15
R&S FSQ Front and Rear Panel
Rear Panel Connections
Reference Input and Output (REF IN and REF OUT)
The REF IN female connector is used as an input for a 10 MHz reference signal. The required
input level is 0 to 10 dBm. The REF OUT female connector provides the internal 10 MHz
reference signal with a 0 dBm output level for other devices.
The
SETUP menu is used to select between the internal and external references.
If an external reference is used for operation, the external reference signal from REF IN is
looped through to REF OUT.
REF OUT 640 MHz (Option R&S FSU-B5)
This female connector provides a reference signal at 640 MHz.
Pin Signal Range of values
1 to 11 not used
12 ground
13 +5 V supply voltage 5.2 V ± 0.5 V, max. 30 mA
14 to 20 reserved
21 ready-for-trigger output signal HIGH:
≥
1.4 V, LOW:
≤
0.7 V
22 to 23 not used
24 ground
25 +12 V supply voltage +12 V ± 0.5 V, max. 10 mA
Use suitable double shielded cables.
1
13
25
14
+5 V
GND
GND
+12 V
Pin 21