TCM8000 Datasheet, PDF (13/19 Pages) Texas Instruments – CELLULAR TELEPHONE AUDIO PROCESSOR

TCM8000
CELLULAR TELEPHONE AUDIO PROCESSOR
SCTS041A – D4086, AUGUST 1992 – REVISED APRIL 1993
receive path specifications, V_CC = 5 V, f_xtal = 3.58 MHz (continued)
receive SAT path frequency response, AMPS/TACS mode, RXIN = 100 mVrms, RXTRIM = <1000>,
SATTRIM = <100> (see Figure 15 and Table 1)
PARAMETER
TEST CONDITIONS
MIN MAX
Gain
f = 6 kHz
3
5
f = 100 Hz
– 35
f = 3 kHz
– 35
f = 4.8 kHz
– 25
f = 5.1 kHz
– 20
f = 5.8 kHz
– 5 0.5
Relative gain
f = 5.94 kHz
± 0.5
f = 6.06 kHz
± 0.5
f = 6.2 kHz
– 5 0.5
f = 7.5 kHz
– 20
f = 9 kHz
– 35
f = 10 kHz
– 35
UNIT
dB
dB
receive SAT path trim, SATTRIM, RXIN = 100 mVrms, f at 4 kHz NMT, f at 6 kHz AMPS/TACS, RXTRIM = <1000>
(see Table 1)
PARAMETER
MIN MAX UNIT
Gain, SATTRIM = <100>
3
5 dB
Step size
0.8 1.2 dB
Positive range
2.5 3.5 dB
Negative range
– 4.5 – 3.5 dB
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