TCM8000

CELLULAR TELEPHONE AUDIO PROCESSOR

SCTS041A – D4086, AUGUST 1992 – REVISED APRIL 1993

POST OFFICE BOX 655303

12

noise and distortion at HFO/HSO, RXTRIM = <1000>, VC = <1000>, expander enabled (see Table 1)

PARAMETER

MIN

MAX

UNIT

Psophometrically-weighted rms noise, RXIN = VBRX

1

mV

Total harmonic distortion, RXIN = 200 mV rms at 1 kHz

1%

receive path switch attenuation (see Table 1)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

CTI, CTM = 1

50

Attenuation

TDI, RTM = 1

50

dB

Attenuation

RXVOICE, RVM = 1

50

dB

LSSW, HSS = 0/1

50

receive data frequency response, NMT mode, RXIN = 100 mVrms, RXTRIM = <1000> (see Figure 11 and

Table 1)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

Gain

f = 1.5 kHz

8

10

dB

f = 100 Hz

–10

f = 600 Hz

5.4

Relative gain

f = 800 Hz

3.4

5.4

dB

Relative gain

f = 900 Hz

3.4

5.4

dB

f = 2.2 kHz

– 4.3

– 2.3

f = 10 kHz

– 15.5

receive data frequency response, AMPS/ TACS mode, RXIN = 100 mVrms, RXTRIM = <1000> (see Figure 12

and Table 1)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

Gain

f = 1 kHz

5

7

dB

f = 8 kHz

±1

Relative gain

f = 16 kHz

–6

1

dB

Relative gain

f = 40 kHz

–18

dB

f = 100 kHz

–18

receive SAT path frequency response, NMT mode, RXIN = 100 mVrms, RXTRIM = <1000>, SATTRIM = <100>

(see Figure 13 and Table 1)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

Gain

f = 4 kHz

3

5

dB

f = 100 Hz

–35

f = 2 kHz

–35

f = 3.2 kHz

–25

f = 3.4 kHz

–20

f = 3.8 kHz

–5

0.5

Relative gain

f = 3.94 kHz

±0.5

dB

f = 4.06 kHz

±0.5

f = 4.2 kHz

–5

0.5

f = 5 kHz

–20

f = 6 kHz

–35

f = 10 kHz

–35