TCM8000 Datasheet, PDF (16/19 Pages) Texas Instruments – CELLULAR TELEPHONE AUDIO PROCESSOR

TCM8000
CELLULAR TELEPHONE AUDIO PROCESSOR
SCTS041A – D4086, AUGUST 1992 – REVISED APRIL 1993
TYPICAL CHARACTERISTICS^†
TX DATA FREQUENCY RESPONSE – NMT
10
TX DATA FREQUENCY RESPONSE – AMPS/ TACS
5
5
0
0
–5
–5
– 10
– 10
– 15
– 15
– 20
– 20
– 25
– 25
– 30
100 200
1000 3000 10000
f – Frequency – Hz
Figure 7
40000 100000
– 30
1000 2000
4000 10000 20000
f – Frequency – Hz
Figure 8
100000
RX VOICE FREQUENCY RESPONSE
20
10
0
– 10
– 20
– 30
– 40
– 50
– 60
– 70
100 200
400
1000 2000 4000
f – Frequency – Hz
Figure 9
10000
PASS-BAND DETAIL – RX VOICE
FREQUENCY RESPONSE
15
10
5
0
–5
– 10
– 15
– 20
100 200
400
1000 2000 4000
f – Frequency – Hz
Figure 10
10000
† _{The boundaries of the shaded areas represent the frequency response limits met by the TCM8000. The curves in the unshaded areas represent}
the filter response of the device.
16
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