Parameter Indices; Performance Indices - Huawei ETS2000 Series Maintenance Manual

1.4 Parameter Indices

1.4.1 Performance Indices

1. Primary indices of the receiving unit:
Basic indices
1)
2)
3)
4)
5)
6)
7)
2. Primary indices of the emission unit:
1)
2)
3)
4)
Under the condition of the minimum output power, the low noise should be lower
than -54dBm/1.23MHZ
3. PLL indices:
Reference source signal indices:
l
Frequency
Frequency error
Output signal amplitude
Phase noise
Output harmonic suppression
Indices of emitting intermediate frequency local oscillation signals
l
1) Output power:
2) Phase detection frequency
3) Output signal phase noise
4) <-95dBc/Hz@10KHz
Frequency range: Work frequency 869MHZ--894MHZ MHz
Noise coefficient under sensitivity condition: <=7.5dB (Note: Including
the loss from duplexer)
Linearity requirement
LNA input P1dB: >-18dBm
Amplitude frequency characteristics
Amplitude range: <±1dB, within 1.23MHz (After being calibrated)}
Group delay range: <150nS
Frequency range: 824MHZ--849MHZ MHz
Maximum emission power: >25dBm
ACLR requirement: -42dBc/30KHZ@885KHZ--1.98MHZ
In-band low-noise requirement
=<-113dBc/Hz@100Hz
-56dBc/30KHZ@1.98MHZ~4MHZ
19.2MHz
0 0
±2ppm (-30
C—85
0.8Vpp (min)
>= 30 dBc
190.75MHz;
50kHz
<-78dBc/Hz@1KHz
25
C)