R&S®UPZ Audio Switcher

Multichannel switcher for audio channel inputs and outputs

Key Facts

  • Available as input and output switcher
  • Cascading of up to 128 channels
  • Operation directly from the R&S®UPV or R&S®UPP audio analyzers

Brief Description

The R&S®UPZ audio switcher is a multichannel switcher for audio channel inputs and outputs. Used with Rohde & Schwarz audio analyzers, it opens up further application fields.

Features

  • Wide variety of applicatons for all kinds of audio measurements
  • Available as input and output switcher
  • Applications for testing multichannel amplifiers

Specifications

Electrical data
Nominal switching capacity 1) / resistive load 33 V (46.7 V Vp), 0.5 A
Max. switching power / resistive load 60 W

Key Facts

  • Available as input and output switcher
  • Cascading of up to 128 channels
  • Operation directly from the R&S®UPV or R&S®UPP audio analyzers
  • Control via RS-232-C or USB 2.0 for handling universal applications

Brief Description

The R&S®UPZ audio switcher is a multichannel switcher for audio channel inputs and outputs. Used with Rohde & Schwarz audio analyzers, it opens up further application fields.

Features & Benefits

Wide variety of applicatons for all kinds of audio measurements

Surround applications in homes, multichannel mixing consoles in sound studio environments, multichannel amplifiers as well as the adaptation of several DUTs in production are just some examples of the wide variety of applications that are possible using the R&S®UPZ audio switcher. As an add-on unit to the R&S®UPV and R&S®UPP audio analyzers, the R&S®UPZ is directly operated from the graphical user interface. Remote control, e.g. in production environments, also runs via the audio analyzer.

Users can also control the R&S®UPZ audio switcher directly from a PC via its RS-232-C or USB 2.0 interfaces.

Available as input and output switcher

The R&S®UPZ audio switcher – like the R&S®UPV and R&S®UPP audio analyzers – comes with XLR connectors. Since there is a difference between male and female connectors in the XLR system, the R&S®UPZ is available both as an input and as an output model.

Both models feature two switching channels, enabling users to simultaneously operate the two generator or measurement channels of the audio analyzer.

Up to 16 input switchers plus 16 output switchers can be cascaded, allowing up to 128 input or output channels to be switched.

Applications for testing multichannel amplifiers

The standard application is paired or individual switching of the DUTs or measurement channels to be tested. In each case, one signal path is connected to an assigned channel.

A special feature is measuring the crosstalk of the individual channels of multichannel amplifiers, which requires a particularly critical measurement.

For this application, the signal coupled into a channel will be measured while all other amplifier channels are driven at the same time. The output switcher enables users to switch signal path B through to all channels in parallel, while signal path A can be switched to any selectable channel.

Specifications

Electrical data
Nominal switching capacity 1) resistive load 33 V (46.7 V Vp), 0.5 A
Max. switching power resistive load 60 W
Max. switching current   2 A
Crosstalk (balanced 600 Ω load) 2) 20 kHz typ. –140 dB
  100 kHz typ. –126 dB
Series resistance per signal pin typ. <0.3 Ω
Shunt capacitance each signal pin to ground typ. <90 pF
General data
Environmental conditions
Temperature operating temperature range 0 °C to +50 °C
  storage temperature range –40 °C to +70 °C
Humidity   95 % relative humidity at 40 °C, constant, in linewith EN 60068-2-78
Power supply
  nominal voltage 100 V to 120 V AC ± 10 %
220 V to 240 V AC ± 10 %
  nominal frequency range 50 Hz to 60 Hz ± 5 %
Power consumption
  input switcher max. 10 VA
  output switcher max. 15 VA
Product conformity
Electromagnetic compatibility in line with
EMC Directive 2004/108/EC
applied harmonized standards:
EN 61326-1 (for industrial use)
EN 61326-2-1
EN 55011 (Class B)
EN 61000-3-2
EN 61000-3-3
Electrical safety in line with
Low Voltage Directive 2006/95/EC
applied harmonized standard:EN 61010-1
  USA UL 61010-1
  Canada CAN/CSA-C22.2 No. 61010-1
International certification VDE – Association for Electrical, Electronic and Information Technologies GS mark 138469
  CSA – Canadian Standards Association CSAUS mark 1245063
Dimensions W × H × D 427 mm × 43 mm × 350 mm, 1 HU(16.81 in × 1.69 in × 13.78 in)
Weight   3.7 kg
Remote Control   via RS-232-C or USB 2.0

1) For max. relay life: max. 5 W or 0.2 A.

2)Between any two channels into 600 Ω.

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