R&S®KG42-Z75 X-Cross Adapter

For R&S®Series4200 radios with R&S®Fx22x automatic filters

  • Overview

Key Facts

  • Control of R&S®FX22X automatic filters for frequency setting via R&S®Series4200 radios
  • DC power for adapter and filter supplied by radio
  • Frequency storage in case of power failure

Brief Description

VHF/UHF signals usually need to be filtered in an ATC system in order to reduce interference caused by other RF signals.

Specifications

Model Power supply
R&S®KG42-Z75 X-Cross Adapter 19 V to 36 V DC

Key Facts

  • Control of R&S®FX22X automatic filters for frequency setting via R&S®Series4200 radios
  • DC power for adapter and filter supplied by radio
  • Frequency storage in case of power failure
  • Continued filter operation with current frequency setting if the R&S®KG42-Z75 fails

Brief Description

VHF/UHF signals usually need to be filtered in an ATC system in order to reduce interference caused by other RF signals. In addition to manual filters, automatic filters such as the R&S®FX22X can be used for this task. The R&S®KG42-Z75 X-CROSS ADAPTER makes it possible to control these automatic filters via the R&S®Series4200 radios.

The R&S®KG42-Z75 X-cross adapter allows data to be exchanged between R&S®SERIES4200 Software Defined Radios radios and R&S®FX22X automatic filters in order to adjust the filter frequencies. To achieve this, the R&S®KG42-Z75 X‑cross adapter converts the radios' serial protocol into a parallel BCD signal. The R&S®KG42-Z75 X-cross adapter supports the migration from R&S®SERIES200 to R&S®SERIES4200 Software Defined Radios radios because the existing R&S®FX22X filters do not have to be replaced.

The radio detects if the R&S®KG42-Z75 X-cross adapter or filter fails and displays an appropriate warning. If the power supply is interrupted, the current frequency is saved and then retransmitted to the filter. If the R&S®KG42-Z75 fails completely, the filter continues to function at the current operating frequency.

The radio supplies DC power to the R&S®KG42-Z75 X‑cross adapter and to the automatic filter so that a separate power supply is not necessary. Two through holes are provided for integration of the equipment in ATC standard racks. A debug interface enables Rohde & Schwarz maintenance personnel to update and maintain the equipment.

Specifications

Electrical data
Power supply 19 V to 36 V DC
EMC in line with
EN 55022:2006 + A1:2007,
ETSI EN 301 489-1,
ETSI EN 301 489-22
Environmental data
Operating temperature range –20 °C to +55 °C
Humidity ± 95 % at +40 °C
Medical data
Dimensions W × H × D 65 mm × 21 mm × 137 mm
(2.6 in × 0.8 in × 5.4 in)
Weight X-cross adapter 180 g (0.4 lb)
X-cross adapter with cable 1228 g (2.7 lb)
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This declaration of consent may be withdrawn at any time by sending an email with the subject "Unsubscribe" to news@rohde-schwarz.com. Additionally, a link to unsubscribe from future email advertisements is contained in each email sent. Further details on the use of personal data and the withdrawal procedure are set out in the Statement of Privacy.

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