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參數(shù)資料
| 型號(hào)： | TCM4400EGGM |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | GSM/DCS BASEBAND AND VOICE A/D AND D/A RF INTERFACE CIRCUIT |
| 中文描述： | 的GSM / DCS的基帶和語(yǔ)音的A / D和D / A射頻接口電路 |
| 文件頁(yè)數(shù)： | 14/64頁(yè) |
| 文件大?。?/td> | 888K |
| 代理商： | TCM4400EGGM |
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TCM4400E
GSM/DCS BASEBAND AND VOICE A/D
AND D/A RF INTERFACE CIRCUIT
SLWS082A – JULY 1999 – REVISED MARCH 2000
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
voice uplink path
global characteristics of voice uplink path
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Maximum input range (MICP – MICN)
Inputs 3 dBm0 (maximum digital sample amplitude)
with PGA gain, set to 0dB (default value)
32.5
mVrms
Nominal reference level (MICP – MICN)
–10
dBm0
k
dB
Differential input resistance (MICP – MICN)
90
140
200
Micro-amplifier gain
27
Maximum input range at AUXI
Inputs 3 dBm0 (maximum digital sample amplitude)
with PGA gain, set to 0dB (default value)
365
mVrms
Nominal reference level at AUXI
–10
dBm0
k
dB
Input resistance at AUXI
140
220
300
Auxi amplifier gain
6
PGA absolute gain
4.6
dB
VULPGA code =10000
–12 dB
–12.7
–12.2
–11.7
VULPGA code = 10111
–11 dB
–11.3
–10.8
–10.3
VULPGA code = 11000
–10 dB
–10.6
–10.1
–9.6
VULPGA code = 11001
–9 dB
–9.5
–9
–8.5
VULPGA code = 11010
–8 dB
–8.5
–8
–7.5
VULPGA code = 11011
–7 dB
–7.5
–7
–6.5
VULPGA code = 00000 (default)
–6 dB
–6.7
–6.2
–5.7
VULPGA code = 00001
–5 dB
–5.6
–5.1
–4.6
VULPGA code = 00010
–4 dB
–4.6
–4.1
–3.6
VULPGA code = 00011
–3 dB
–3.5
–3
–2.5
VULPGA code = 00100
–2 dB
–2.4
–1.9
–1.4
VULPGA code = 00101
–1 dB
–1.5
–1
–0.5
PGA gain step
VULPGA code = 00110 (ref)
0 dB
0
dB
VULPGA code = 00111
1 dB
0.7
1.2
1.7
VULPGA code = 01000
2 dB
1.4
1.9
2.4
VULPGA code = 01001
3 dB
2.6
3.1
3.6
VULPGA code = 01010
4 dB
3.6
4.1
4.6
VULPGA code = 01011
5 dB
4.5
5
5.5
VULPGA code = 01100
6 dB
5.3
5.8
6.3
VULPGA code = 10001
7 dB
6.4
6.9
7.4
VULPGA code = 10010
8 dB
7.4
7.9
8.4
VULPGA code = 10011
9 dB
8.6
9.1
9.6
VULPGA code = 10100
10 dB
9.6
10.1
10.6
VULPGA code = 10101
11 dB
10.5
11
11.5
VULPGA code = 10110
12 dB
11.5
12
12.5
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