Specification - Planar IT-14 Operating Manual

b) Rubber boot ......................................................................................... 1 pc;
c) Li-Ion battery........................................................................................ 1 pc;
d) "F"-"F" adapter ..................................................................................... 1 pc;
e) 12V/1.2A charger................................................................................. 1 pc;
f) Reference card .................................................................................... 1 pc;
g) Opearting manual ................................................................................ 1 pc.
2.4

Specification

Operating frequency range................................................................................ 45 to 900 MHz
Resolution.......................................................................................................... 125 kHz
Channel template............................................................................................... set with PC (section 4.9.6)
Input parameters:
input impedance within operating frequency range:..........................................75 Ohm
input impedance for frequencies up to 50 Hz:...................................at least 200 kOhm
Allowed resulting value of AC input voltage for frequencies over 5 MHz:...............3 V
Allowed resulting of AC and DC input voltage for frequencies under 100 Hz:.......150V
Level measurement range................................................................................. 30 to 120 dBµV
Measurement level resolution............................................................................ 0.1 dB
Accuracy within 30 – 120 dBµV level range ...................................................... ±1.5 dB
Accuracy at operating temperature ................................................................... ±2.2 dB
Measurement channel passband for -3 dB level ............................................... 230 ± 60 kHz
Frequency indication.......................................................................................... 6 characters on LCD
Channel number indication................................................................................ 3 characters on LCD
Signal level indication ........................................................................................ 4 characters on LCD
Input signal modulation
Channel bandwidth ..................................................................................... 8 MHz
Channel modulation type ............................................................................ COFDM
Subcarriers modulation type ....................................................................... QPSK, QAM16, QAM64
Subcarriers number..................................................................................... 2k, 4k, 8k
Guard interval.............................................................................................. 1/32, 1/16, 1/8, 1/4
Hierarchical modulation type....................................................................... α=1, α=2, α=4
Code rate..................................................................................................... 1/2, 2/3, 3/4, 5/6, 7/8
Operating channel power range ........................................................................ 60 to 110 dBµV
MER measurement range (for QAM64, code rate 3/4) ..................................... 18 to 35 dB
MER measurement resolution ........................................................................... 0.1 dB
MER measurement accuracy at operating channel power................................ ±2.0 dB
BER measurement range
preBER........................................................................................................ 1.0x10
postBER ...................................................................................................... 1.0x10
Channel power treshold (postBER less than 2x10
For QAM64, code rate 3/4, SNR=46 dB ..................................................... 40 dBµV
Frequency auto tuning range............................................................................. ±0.500 MHz
Warm-up time, less than.................................................................................... 5 min
IT-14 powering:
from AC circuit with 100/220V voltage and 50/60 Hz via 12V/1.2A charger;
from external DC source with 10 to 14 V voltage and ripple level no greater than 0.5 V;
from Li-ion battery with 1500 mAh capacity.
Current consumed from external power
source or batteries, not greater than ................................................................. 0.6 A
Continuous stable operation under normal conditions (when powered by external source)
no less than .................................................................................................. 24 hrs
Battery life under normal conditions (1500 mAh battery capacity), no less than 3 hrs
Mean time between failures, no less than ......................................................... 10000 hrs
Average lifetime, no less than ........................................................................... 5 years
Dimensions ........................................................................................................ 193x94x53 mm
Package dimensions.......................................................................................... 255х180х70 mm
Weight................................................................................................................ 0.46 kg
-4
)
6
-2 -8
to 1.0x10
-3 -8
to 1.0x10