ETS2228 Maintenance Manual
All right reserved
Page 27, Total 43
3.5 Parameter Indices
1 .
Performance Indices
Primary indices of the receiving unit:
(
1
)
Basic indices
(
2
)
Frequency range: Work frequency 869MHZ--894MHZ MHz
(
3
)
Noise coefficient under sensitivity condition: <=7.5dB (Note: Including
the loss from
duplexer)
(
4
)
Linearity requirement
(
5
)
Sensitivity capability indices
:
≤
-106dBm/1.23MHz
(
6
)
Amplitude frequency characteristics
(
7
)
Amplitude range
:
<
±
1dB, within 1.23MHz
(
After being calibrated
)
(
8
)
double-work distance
:
10MHz
(
9
)
channel distance
:
25 KHz
Primary indices of the emission unit:
(
1
)
Frequency range:
824MHZ
~
849MHZ MHz
(
2
)
Maximum emission power:>23dBm
(
3
)
Maximum linearity output power: 28 dBm
(
4
)
ACLR requirement
:
-42dBc/30KHZ@885KHZ
~
1.98MHZ
-56dBc/[email protected]
~
4MHZ
(
5
)
In-band low-noise requirement
Under the condition of the minimum output power, the low noise should be lower than
-54dBm/1.23MHZ
PLL indices: