R&S®DDF5GTS High-Speed Scanning Direction Finder

Fast, accurate direction finding

Key Facts

  • Top DF scan speed thanks to three-channel architecture and outstanding realtime bandwidth
  • High DF accuracy, sensitivity and immunity to reflections
  • Integrated super-resolution DF method

Brief Description

The R&S®DDF5GTS high-speed scanning direction finder offers outstanding realtime bandwidth and DF scan speed as well as high DF accuracy, sensitivity and immunity to reflections.

Features

  • Direction finding of extremely fast frequency agile signals with high probability of intercept
  • Reliable DF results even in challenging environments
  • Super-resolution DF method

Specifications

Frequency range
Frequency range in DF mode base unit 20 MHz to 6 GHz
  with R&S®DDFGTS-HF option 300 kHz to 6 GHz

Key Facts

  • Top DF scan speed thanks to three-channel architecture and outstanding realtime bandwidth
  • High DF accuracy, sensitivity and immunity to reflections
  • Integrated super-resolution DF method
  • Compliance with all ITU recommendations; ITU-compliant measurements available as an option
  • Easy integration into mobile platforms thanks to optional DC power supply

Brief Description

The R&S®DDF5GTS high-speed scanning direction finder offers outstanding realtime bandwidth and DF scan speed as well as high DF accuracy, sensitivity and immunity to reflections. Thanks to the integrated super-resolution DF method (availability on request), the direction finder is ideal for complex signal scenarios.

Features & Benefits

  • Direction finding of extremely fast frequency agile signals with high probability of intercept
    • High DF scan speed thanks to 80 MHz realtime bandwidth
    • Direction finding and location of frequency hopping transmitters with up to 2000 hops/s
    • Direction finding and location of pulses with a duration of 10 µs
  • Reliable DF results even in challenging environments
    • Higher immunity to reflections due to DF antennas with a very large number of antenna elements
    • Stable bearings even with a 50 percent share of reflections
  • Super-resolution DF method
    • Direction finding for co-channel signals
    • Super-resolution DF method as standard
  • Innovative DF antennas
    • Active/passive switchover with just a mouse click
    • Exceptionally high DF sensitivity
    • Integrated, extendible lightning protection
    • Easy replacement of DF antennas
  • Precise direction finding of weak signals
    • High DF sensitivity due to large number of antenna elements
    • Adjustable coherent signal integration in wideband DF mode and DF scan mode for enhanced DF sensitivity
  • Accurate and reliable location of short-duration signals
    • GPS-based synchronization of multiple R&S®DDF5GTS (time-synchronized DF scan mode)
    • Optional preclassifier for detecting LPI signals and summarizing individual results into a condensed result
  • Special and exceptionally powerful receive path for signal measurement
    • Special and exceptionally powerful receive path
    • Improved analog architecture of the receive path
    • Especially powerful analog/digital converters
    • Considerable advantages in the case of weak signals and dense signal scenarios
  • Effective measurements in line with ITU recommendations
    • Compliance with all ITU recommendations for direction finders and receivers
    • Option for comprehensive, ITU-compliant measurement methods
  • Receive mode with integrated antenna matrix
    • Very fast panorama scan
    • Integrated antenna matrix for connecting up to three VHF/UHF/SHF receiving antennas and up to three HF receiving antennas (option) in addition to the DF antenna
    • Independent DDC channel
    • Selection of the antenna element with maximum signal level
  • Signal analysis in parallel to direction finding
    • Output of I/Q data for parallel signal analysis with R&S®CA120 (available on request)
  • Powerful hardware developed by Rohde & Schwarz
    • In-house development and manufacture of all DF system components, including the DF antenna
    • Signal processing at maximum speed based on powerful FPGAs
    • Use of powerful Rohde & Schwarz ASICs
    • High immunity to strong signals thanks to sophisticated preselection

Specifications

Frequency range
Frequency range in DF mode base unit 20 MHz to 6 GHz
  with R&S®DDFGTS-HF option 300 kHz to 6 GHz
Frequency range in receive mode base unit 20 MHz to 6 GHz
  with R&S®DDFGTS-HF option 8 kHz to 6 GHz
DF mode
DF method standard correlative interferometer, Watson-Watt, super-resolution
  with R&S®DDFGTS-VM option vector matching
Realtime bandwidth VHF/UHF/SHF 80 MHz
  HF 20 MHz
Instrument DF accuracy   typ. 0.2° RMS
System DF accuracy1) depends on DF antenna; here for example R&S®ADD011SR (.1x), R&S®ADD050SR, R&S®ADD153SR and R&S®ADD078SR, in reflection-free environment, with lightning protection, in line with report ITU-R SM.2125 (limited to one modulation type) and recommendation ITU-R SM.854
  300 kHz to 1300 MHz typ. 0.5° RMS
  1.3 GHz to 6 GHz typ. 1° RMS
DF sensitivity depends on DF antenna; for 2° RMS bearing fluctuation, 1 s integration time and 250 Hz (HF)
or 600 Hz (VHF/UHF/SHF) DF bandwidth; here for example with R&S®ADD011SR (.1x),
R&S®ADD050SR, R&S®ADD153SR and R&S®ADD078SR, in line with report ITU-R SM.2125
  300 kHz to 1300 MHz typ. 0.7 µV/m
  1.3 GHz to 6 GHz typ. 3 µV/m to 20 µV/m
DF scan speed in VHF/UHF/SHF (25 kHz channel resolution, 100% channel occupancy, correlative interferometer method, wideband fixed frequency mode) base unit 60 GHz/s, in line with report ITU-R SM.2125
DF scan speed in HF (1.25 kHz channel resolution, 100% channel occupancy, Watson-Watt method, wideband fixed
frequency mode)
base unit 10 GHz/s, in line with report ITU-R SM.2125
Minimum signal duration for a single burst signal, in line with report ITU-R SM.2125
  base unit 1 ms
  with R&S®DDFGTS-EMS option2) 0.25 ms
Minimum burst duration for multiple burst signals 10 µs

1) Measurement in reflection-free environment. The RMS error is calculated from the bearings of evenly distributed samples versus azimuth and frequency.

2) The R&S®DDFGTS-EMS option is subject to export control

Thank you.

Your request was successfully sent!

We will get in touch with you soon.

Your Rohde & Schwarz Team

Get a Quote

Please enter your inquiry.
Please enter your first name.
Please enter your name.
Please enter a valid e-mail address.
Please enter your company name.
Please enter your city name.
Please enter your postal code.
Please enter your phone number.

Please enter your country.
Please enter the characters shown in the image
show captcha
The input was not correct.
Do not enter data in this field
Thank you.

Your request was successfully sent!

We will get in touch with you soon.

Your Rohde & Schwarz Team

Get a Demo

Please enter your inquiry.
Please enter your first name.
Please enter your name.
Please enter a valid e-mail address.
Please enter your company name.
Please enter your city name.
Please enter your postal code.

Please enter your country.
Please enter the characters shown in the image
show captcha
The input was not correct.
Do not enter data in this field
Thank you.

Your request was successfully sent!

We will get in touch with you soon.

Your Rohde & Schwarz Team

Request Information

Please enter your inquiry.
Please enter your first name.
Please enter your name.
Please enter a valid e-mail address.
Please enter your company name.
Please enter your city name.
Please enter your postal code.

Please enter your country.
Please enter the characters shown in the image
show captcha
The input was not correct.
Do not enter data in this field
Thank you.

Your request was successfully sent!

We will get in touch with you soon.

Your Rohde & Schwarz Team

Feedback
Tell us your opinion
Please tell us which topic.

Please enter your inquiry.
Contact information

Please enter your first name.

Please enter a valid e-mail address.

Please enter your name.
Security Response Code
show captcha

The input was not correct.
*Mandatory Field
International Website