參數(shù)資料
型號: 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的基帶和語音的A / D和D / A射頻接口電路
文件頁數(shù): 29/64頁
文件大小: 888K
代理商: TCM4400EGGM
TCM4400E
GSM/DCS BASEBAND AND VOICE A/D
AND D/A RF INTERFACE CIRCUIT
SLWS082A – JULY 1999 – REVISED MARCH 2000
29
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
baseband downlink path (continued)
10
0
–10
–20
–30
–40
–50
–60
–70
–80
0
50
100
150
200
f – Frequency – kHz
M
Figure 10. Downlink Digital Filter Frequency Response
0.4
0.2
0
–0.2
–0.4
0
10
20
30
40
f – Frequency – kHz
M
50
60
70
80
Figure 11. Downlink Digital Filter In-Band Response
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