2. PERFORMANCE
- 16 -
NO
Item
EGSM
DCS1800
Frequency Error Under
3dB below reference sensitivity
3dB below reference sensitivity
Multipath and Interference
RA250: ±300Hz
RA130: ±400Hz
Condition
HT100: ±180Hz
HT100: ±350Hz
TU50: ±160Hz
TU50: ±260Hz
TU3: ±230Hz
TU1.5: ±320Hz
0 ~ 100kHz
+0.5dB
0 ~ 100kHz
+0.5dB
200kHz
-30dB
200kHz
-30dB
250kHz
-33dB
250kHz
-33dB
400kHz
-60dB
400kHz
-60dB
600 ~ 1800kHz
-60dB
600 ~ 1800kHz
-60dB
1800 ~ 3000kHz
-63dB
1800 ~ 6000kHz
-65dB
3000 ~ 6000kHz
-65dB
≥ 6000kHz
-73dB
≥ 6000kHz
-71dB
400kHz
-19dB
400kHz
-22dB
600kHz
-21dB
600kHz
-24dB
1200kHz
-21dB
1200kHz -24dB
1800kHz
-24dB
1800kHz
-27dB
Frequency offset
800kHz
Intermodulation product should
be Les s than 55dB below the
level of Wanted signal
Power control Power
Tolerance
Power control Power
Tolerance
Level
(dBm)
(dB)
Level
(dBm)
(dB)
5
33
+3
0
30
+3
6
31
+3
1
28
+3
7
29
+3
2
26
+3
8
27
+3
3
24
+3
9
25
+3
4
22
+3
10
23
+3
5
20
+3
11
21
+3
6
18
+3
12
19
+3
7
16
+3
13
17
+3
8
14
+3
14
15
+3
9
12
+4
15
13
+3
10
10
+4
16
11
+5
11
8
+4
17
9
+5
12
6
+4
18
7
+5
13
4
+4
19
5
+5
14
2
+5
15
0
+5
Output RF
Spectrum
Due to
modulation
Due to Switching
transient
Intermodulation attenuation
Transmitter Output Power
4
5
6
7
Содержание KG920
Страница 3: ... 4 ...
Страница 48: ...3 TECHNICAL BRIEF 49 3 8 2 AFE Analog Front End Figure 3 22 ...
Страница 52: ...3 TECHNICAL BRIEF 53 3 8 5 MBGM01 5M CCD ISP Figure 3 25 ...
Страница 55: ...3 TECHNICAL BRIEF 56 3 8 6 MV8620 5M back end IC Multi Media Function Figure 3 26 ...
Страница 58: ...3 TECHNICAL BRIEF 59 3 9 MIDI IC YMU787 Figure 3 27 YMU787 BLOCKDIAGRAM ...
Страница 87: ...4 TROUBLE SHOOTING 88 Graph 4 8 BLUE RST Graph 4 9 DEBUG_TX RX Graph 4 10 PCM_SYNCS TX RX USC0 ...
Страница 96: ...4 TROUBLE SHOOTING 97 4 7 KEY backlight Trouble TEST POINT Q101 R122 Q101 LD101 LD119 Figure 4 38 Figure 4 39 ...
Страница 108: ...4 TROUBLE SHOOTING 109 CIRCUIT WAVEFORM Figure 4 59 Graph 4 11 Figure 4 60 Figure ...
Страница 109: ...4 TROUBLE SHOOTING 110 TEST POINT U602 FB602 U100 Q100 Q101 C113 C114 Figure 4 61 Figure 4 62 ...
Страница 111: ...Figure 4 65 Graph 4 12 4 TROUBLE SHOOTING 112 C102 C113 U101 Figure 4 66 C137 U103 TEST POINT WAVEFORM ...
Страница 112: ...4 TROUBLE SHOOTING 113 Figure 4 67 Figure 4 68 CIRCUIT ...
Страница 115: ...4 TROUBLE SHOOTING 116 WAVEFORM Graph 4 13 ...
Страница 139: ...6 BLOCK DIAGRAM 140 6 BLOCK DIAGRAM Figure 6 1 ...
Страница 148: ... 149 8 PCB LAYOUT ...
Страница 149: ... 150 8 PCB LAYOUT ...
Страница 150: ... 151 8 PCB LAYOUT ...
Страница 151: ... 152 8 PCB LAYOUT ...
Страница 152: ... 153 8 PCB LAYOUT ...
Страница 153: ... 154 8 PCB LAYOUT ...
Страница 154: ... 155 8 PCB LAYOUT ...
Страница 155: ... 156 8 PCB LAYOUT ...
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Страница 194: ...Note ...
Страница 195: ...Note ...