English
Language : 

TCM4400 Datasheet, PDF (41/72 Pages) Texas Instruments – GSM/DCS BASEBAND AND VOICE A/D AND D/A RF INTERFACE CIRCUIT
10
0
– 10
– 20
– 30
– 40
– 50
– 60
– 70
– 80
0
50
100
150
200
f – Frequency – kHz
Figure 4–5. Downlink Digital Filter Frequency Response
0.4
0.2
0
– 0.2
– 0.4
0
10
20
30
40
50
60
70
80
f – Frequency – kHz
Figure 4–6. Downlink Digital Filter In-band Response
4–5