型号：DDF205 名称：DDF205 数字测向机
型 号：DDF205名 称：DDF205 数字测向机产品简介：The R&S®DDF205 combines the new, highly integrated R&S®EB500 monitoring receiver with the accurate correlative interferometer DF method This unique combination performs precise radio direction finding though it is compact and has low power consumption F
详细信息：
Tried and tested technology used by 24 regulatory authorities worldwide
High-precision DF method at an excellent price/performance ratio (patented method)
Reliable DF results even in difficult environments (e.g. urban areas with up to 50 % reflection)
Compact dimensions and low power consumption
Extended applications
Fast spectrum monitoring with scan speeds of up to 12 GHz/s
Display and demodulation of signals with up to 20 MHz bandwidth
Wideband DF antennas and DC power supply capability for mobile operation
Parallel monitoring and demodulation of one plus three signals within realtime bandwidth
Online signal analysis with live streaming over LAN interface, e.g. with R&S®CA100 and suitable options
-- Signal analysis and classification
-- Detection of modulation mode and transmission quality (eye diagram)
-- Extraction of signal content using bitstream analysis
Offline signal analysis of recordings
Fast and reliable radiolocation due to high DF accuracy
Use of high-precision correlative interferometer DF method
Higher immunity to reflections due to DF antennas with a very large number of antenna elements
Innovative DF antennas
Active/passive switchover with just a mouse click
Exceptionally high DF sensitivity
Integrated, extendible lightning protection
Easy replacement of DF antennas
Effective measurements in line with ITU recommendations
The R&S®DDF205 fulfills all ITU recommendations for direction finders and receivers:
Option for comprehensive, ITU-compliant measurement methods including, for example:
-- Frequency and frequency offset, field strength, modulation, spectrum occupancy and bandwidth
-- Offline measurements on digitally modulated signals using the R&S®CA100IS software and suitable options (in line with ITU recommendation SM1600)
Direction finding up to 6 GHz
Fast, effective interference detection
High-resolution IF spectrum
All details visible in DF mode
1) Measurement in reflection-free environment. The RMS error is calculated from the bearings of evenly distributed samples versus azimuth and frequency.
Frequency range, DF mode | ||
Frequency range | base unit | 20 MHz to 3 GHz |
with R&S®DDF205-HF option | 300 kHz to 3 GHz | |
with R&S®DDF205-FE option | 20 MHz to 6 GHz | |
with R&S®DDF205-HF and R&S®DDF205-FE options | 300 kHz to 6 GHz | |
Frequency range, receive mode | ||
Frequency range | base unit | 20 MHz to 3.6 GHz |
with R&S®DDF205-HF option | 8 kHz to 3.6 GHz | |
with R&S®DDF205-FE option | 20 MHz to 6 GHz | |
with R&S®DDF205-HF and | 8 kHz to 6 GHz | |
DF mode | ||
DF method | VHF/UHF/SHF | correlative interferometer |
HF | Watson-Watt | |
System DF accuracy1) | depends on DF antenna (i.e. R&S®ADD119, R&S®ADD196, R&S®ADD075), 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 30 MHz | ≤ 2° RMS | |
20 MHz to 80 MHz | typ. 1° RMS | |
80 MHz to 1.3 GHz | typ. 0.5° RMS | |
1.3 GHz to 6 GHz | typ. 1° RMS | |
System DF sensitivity | depends on DF antenna (i.e. R&S®ADD119, R&S®ADD196, R&S®ADD075), for 5º RMS DF fluctuation, 5 s integration time and 250 Hz (HF)/600 Hz (VHF/UHF/SHF) DF bandwidth, in line with report ITU-R SM.2125 | |
300 kHz to 80 MHz | typ. 14 µV/m to 4 µV/m | |
80 MHz to 1.3 GHz | typ. 1 µV/m | |
1.3 GHz to 6 GHz | typ. 2 µV/m | |
Realtime bandwidth for broadband direction finding | with R&S®DDF205-WDF option | up to 20 MHz |
Minimum signal duration | for single-burst signals, in line with report ITU-R SM.2125 | |
VHF/UHF/SHF | 1 ms | |
HF | 2 ms | |
Receive mode | ||
Analysis bandwidth | up to 20 MHz | |
Demodulation bandwidth | up to 20 MHz | |
Scan speed | with R&S®DDF205-PS option | up to 12 GHz/s |
