Ceyear 3943B, Руководство по эксплуатации

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8 Technical indicators and testing methods
8.5 Performance characteristics test
125
interface
USB interface: Type A, two
TF card interface: standard
interface
Auxiliary input
and output
interfaces
Headphone jack: standard 3.5mm
Audio output interface: built-in
amplifier
AUX interface: 7-core aerial plug,
female connector
Frequency
Reference
Interface
10MHz reference input interface
21 Safety
Insulation
resistance
M
Ω
The insulation resistance between the power input of
the equipment and the housing should be not less
than 100 MΩ under standard atmospheric conditions
for testing
The insulation resistance between the power input of
the equipment and the housing should be not less
than 2MΩ under humid environmental conditions
Dielectric
strength
/ AC 1.5Kv/10mA/1min no arc, no breakdown.
Leakage
current
mA Voltage 242V,
leakage current≤3.5mA, 1min.
Blank below.
Compliance determination
Note: "
﹟
" means meet the requirements; "℅" means do not meet the requirements; hit "/" means there
is no content in this cell or the machine does not have this test item.
8.5.3 Performance test auxiliary tables
Instrument No.: Test Personnel:
Test Condition: Test Date:
Table B.1 (Test of frequency range)
Item
Signal source output
frequency
Test results
Frequency range
9kHz kHz
8GHz (GHz)
Table B.2 (Test of maximum linear operating level)
Item
Signal source output
frequency
3943B attenuation control
Test results
Maximum linear
operating level
11MHz -- dBm
75MHz On dBm
160MHz On dBm
500MHz On dBm
1GHz On dBm