2. PERFORMANCE
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2.2 Technical specification
Item
Description
Specification
GSM900
TX: 890 + 0.2 x n MHz
RX: 935 + 0.2 x n MHz ( n = 1 ~ 124)
EGSM
TX: 890 + 0.2 x (n-1024) MHz
1
Frequency Band
RX: 935 + 0.2 x (n-1024) MHz ( n = 975 ~ 1023 )
DCS1800
TX: 1710 + ( n-511 ) x 0.2 MHz (n = 512 ~ 885)
RX: TX + 95 MHz
PCS1900
TX: 1850.2 + ( n-512 ) x 0.2 MHz (n = 512 ~ 810)
RX: TX + 80MHz
2
Phase Error
RMS < 5 degrees
Peak < 20 degrees
3
Frequency Error
< 0.1ppm
GSM900/EGSM
Level
Power
Toler.
Level
Power
Toler.
5
33 dBm
2dB
13
17 dBm
3dB
6
31 dBm
3dB
14
15 dBm
3dB
7
29 dBm
3dB
15
13 dBm
3dB
8
27 dBm
3dB
16
11 dBm
5dB
9
25 dBm
3dB
17
9 dBm
5dB
10
23 dBm
3dB
18
7 dBm
5dB
11
21 dBm
3dB
19
5 dBm
5dB
4
Power Level
12
19 dBm
3dB
DCS1800/PCS1900
Level
Power
Toler.
Level
Power
Toler.
0
30 dBm
2dB
8
14 dBm
3dB
1
28 dBm
3dB
9
12 dBm
4dB
2
26 dBm
3dB
10
10 dBm
4dB
3
24 dBm
3dB
11
8 dBm
4dB
4
22 dBm
3dB
12
6 dBm
4dB
5
20 dBm
3dB
13
4 dBm
4dB
6
18 dBm
3dB
14
2 dBm
5dB
7
16 dBm
3dB
15
0 dBm
5dB
Содержание KE 770
Страница 1: ...Service Manual Model KE770 Service Manual KE770 Date April 2007 Issue 1 0 ...
Страница 3: ... 4 ...
Страница 5: ... 6 ...
Страница 49: ...3 TECHNICAL BRIEF 50 3 15 BLUETOOTH Figure 22 BLUETOOTH Functional block diagram ...
Страница 57: ...3 TECHNICAL BRIEF 58 RF Block Diagram III 2 RF circuit ...
Страница 76: ...Check Points 5 Trouble shooting 77 ...
Страница 78: ...5 Trouble shooting 79 ...
Страница 82: ...5 Trouble shooting 83 ...
Страница 87: ...5 Trouble shooting 88 ...
Страница 100: ... 101 6 Download S W upgrade Click on the blue text to select the COM port ...
Страница 101: ...6 Download S W upgrade 102 Will change the window as below ...
Страница 103: ...6 Download S W upgrade 104 During download the screen will look something like this ...
Страница 105: ... 106 ...
Страница 111: ... 112 8 PCB LAYOUT ...
Страница 112: ... 113 8 PCB LAYOUT ...
Страница 113: ... 114 8 PCB LAYOUT ...
Страница 114: ... 115 8 PCB LAYOUT ...
Страница 115: ... 116 8 PCB LAYOUT ...
Страница 117: ...9 RF Calibration 118 9 2 3 Click SETTING Menu 9 2 4 Setup Ezlooks menu such as the following figure ...
Страница 119: ...9 RF Calibration 120 9 2 7 Select MODEL 9 2 8 Click START for RF calibration 9 2 9 RF Calibration finishes ...
Страница 121: ...10 Stand alone Test 122 4 Click Update Info for communicating Phone and Test Program ...
Страница 125: ... 126 ...
Страница 143: ...Note ...
Страница 144: ...Note ...