S2188 Digital/Analog CATV
Technical Specifications:
Analysis Apparatus
Key Functions:
Features of digital channel measurement:
The channel's average power of DVB-C digital cable TV
(adjustable bandwidth),
testing of MER modulate error,
testing of BER error rate, testing of S/N signal-to-noise
and supporting various DVB modulate modes: QPSK, 16,
32, 64, 128, 256QAM and COFDM.
Features of analog channel measurement:
Channel measurement, frequency measurement, spectrum
analysis, inclination ratio measurement, V/A measurement,
C/N, CSO, CTB measurement, AC measurement.
Input Frequency:
Range: 5 每 870 MHz
Analog or digital channel's frequency
stability: ≒ 30 ppm
Definition: 10KHz
Measuring frequency level:
Range: 25 每 120dB µ V
(-35 每 60 dBmV)
Precision:
Analog ≒ ㊣ 2 dB µ V
Digital ≒ ㊣ 3 dB µ V
C/N measurement:
(Input signal ≡ 70dB)
45 每 870 MHz ≒ ㊣ 2.5 dB
5 每 45MHz ≒ ㊣ 3 dB
V/A measurement: ≒ ㊣ 2 dB
Measuring inclination rate:
Range: 5 每 870MHz
numeric and frequency-level bar-chart display
Measuring alternating current level:
Range: 20 每 100V (alarm if over 100V)
Accuracy: ≒ ㊣ 1V
Definition: 0.1V
Measurement bandwidth:
230KHz ㊣ 50KHz
Demodulation mode:
Peak value,
Average value
Measuring standard of TV signal:
Analog channel: PAL/NTSC/SECAM
Digital channel:
QPSK/QAM/COFDM
Channel Table:
a. Presets 10 sets of international standard channel table
in the meter;
b. Can be customized according to client＊s requirement
Spectrum analysis:
Frequency range: 5 每 870MHz
Peak value demodulation definition: 1, 5, 15, 30, 50, 100MHz.
Average value demodulation definition: 1, 5, 15, 30MHz
Tuning mode:
Channel mode,
frequency mode,
memory mode.
Power supply mode:
AC: 85V-240V/50Hz-60Hz
DC: Hi-MH Batteries
Dimension:
90 x 255 x 60 (W x H x D)
Weight: 0.8 Kg