Phoenix
These measuring systems are designed to measure low & high frequency parameters. They can be delivered in different configurations:
- Max. frequency from 20MHz to 100MHz
- From 8 to 112 pair
System advantages
- Checked against certified ISO 17025 standards
- High accuracy
- Fast measurements
- Automatic calibration
- Easy to operate
- State of the art software package
- Designed to measure all types of telecom cables
- Highly modular to fit any requirement
Can be upgraded with many options such as:
- ADDM database system
- ISO 17025 certified HF calibration standards
- ISO 17025 certified LF calibration standards
- Technical software licenses
Specifications for Low Frequency parameter testing
Description | Designation for pairs | Designation for quads | Accuracy | Scale |
Conductor resistance | Ra, Rb | Ra, Rb | ± 0.1% + 10 mΩ | 0 - 19'999 kohms |
Loop resistance | R | R1, R2 | ||
Resistance unbalance | DR | DR1, DR2, DR3 | Computed | %, Ω |
Capacitance | C | C1, C2, C3 | ± 0.25% ± 10pF at 800 Hz | 0 - 2'000nF |
Capacitance unbalance | K | K1 - K12 | ± 1% ± 6pF at 800 Hz | |
Capacitance unbalance to ground | Ei, Ea, E | Ei1-Ei3 |
Specifications for High Frequency parameter testing
Attenuation (corrected at 20°C)
Accuracy | 1 kHz - 30 kHz | 30 kHz - 100 kHz | 100 kHz - 5 MHz | 5 MHz - 40 MHz |
-30 dB to -80 dB | ± 0.8 dB | ± 1 dB | ± 1.5 dB | ± 2 dB |
-10 dB to -30 dB | ± 0.6 dB | ± 0.8 dB | ± 1.2 dB | ± 1.5 dB |
0 dB to -10 dB | ± 0.2 dB | ± 1.2 dB | ± 0.4 dB | ± 0.7 dB |
Near-End Crosstalk NEXT & Far-End Crosstalk FEXT
Accuracy | 1 kHz - 30 kHz | 30 kHz - 100 kHz | 100 kHz - 5 MHz | 5 MHz - 40 MHz |
-70 dB to -100 dB | ± 2.5 dB | ± 3 dB | ± 3.5 dB | ± 4 dB |
-40 dB to -70 dB | ± 1.5 dB | ± 1.8 dB | ± 2 dB | ± 3 dB |
-10 dB to -40 dB | ± 1 dB | ± 1.2 dB | ± 1 dB | ± 1.5 dB |
Impedance (open/short and terminated 100Ω)
Accuracy | 1 kHz - 100 kHz | 100 kHz - 40 MHz |
85? - 135? | ± 2% | ± 2% |
75? - 155? | ± 3% | ± 4% |
Calculated HF Parameters
- Fitted Impedance
- Return Loss (RL) (Open/Short and Terminated 100?) (fully complex method)
- NEXT Worst Case, Power Sum, Power Sum Worst Case
- FEXT Worst Case, Power Sum
- Individual ACR, ACR Worst Case, Power Sum ACR
- Global Power Sum (NEXT + FEXT)
- ELFEXT Pair to Pair, Worst Case, Power Sum, Power Sum Worst Case
- Velocity of Propagation (VOP)
- Propagation Delay (Phase Delay), Group Delay, Delay Skew
Statistical HF means (pair)
- Maximum value, absolute maximum value
- Minimum value, absolute minimum value
- Average value, absolute average value
- Standard deviation, standard deviation (n-1)
- Mean standard deviation
- Quadratic mean
- Minimum margin, average margin
Statistical HF means (cable)
- Minimum and maximum value for the cable
- Frequency of minimum or maximum values
- Pair for minimum or maximum values
- Minimum margin to the limit for the cable
- Frequency of minimum cable margin
- Value of minimum cable margin
- Average of the minimum margin for each pair

