Rohde & Schwarz Smart Instruments UP300, Руководство по эксплуатации

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R&S UP300/350 Reference Input and Output (10 MHz In/Out)
Operating Manual, 11/2007 7-345 E-1147.2759.00
7.3 Reference Input and Output (10 MHz In/Out)
External
reference If an external reference is used, the internal reference oscillator is
synchronized to the 10 MHz reference signal at REF IN/OUT connector [23].
The input level must be 0.5 to 2 V.
Internal
reference The 10 MHz signal from the internal reference oscillator is available at the
REF IN/OUT connector [23] so that other devices can be synchronized to the
R&S UP300/350. The output level is 7 dBm.
Instrument
setting
You can switch over between the internal and external reference in the
CONFIG menu (
Ê 6-331).
7.4 USB Interface (PC, DEV)
Connector The USB-Host [16] and USB-Device [17] connectors on the rear panel of the
R&S UP300/350 are for a USB device.
Pin Signal
1 Vbus (Vcc)
2 D-
3 D+
4 GND
Pin assignment
Shell Shield
7.5 Audio Monitoring Output (MON OUT)
Connector At the audio monitoring output [15], you can use headphones to monitor
signals which can be tapped at various points in the R&S UP300/350.
Specification
Connector: Mini jack 3.5 mm
Output impedance: 10 Ω
Voltage: Max. 2 V (without load)
Instrument setting
The MONITOR menu allows you to make the settings when an external
headphone is used (
Ê 6-209).