Preliminary Data Sheet
July 2001
Signal Processor
T8533/34 Quad Programmable Line Card
30
Agere Systems Inc.
Electrical Characteristics
(continued)
Transmission Characteristics
(continued)
Table 11. Transmission Characteristics
(continued)
* Applied to all four channels.
Parameter
Symbol
GXAF
Test Conditions
Relative to 1004 Hz, minimum
gain < GX < maximum gain, VF
X
I = 0 dBm0
signal, path gain set to 0 dB:
f = 16.67 Hz
f = 40 Hz
f = 50 Hz
f = 60 Hz
f = 200 Hz
f = 300 Hz to 3000 Hz
f = 3140 Hz
f = 3380 Hz
f = 3860 Hz
f = 4600 Hz and above
Sinusoidal test method*,
reference level = 0 dBm0:
VF
X
I =
40 dBm0 to +3 dBm0
VF
X
I =
50 dBm0 to
40 dBm0
VF
X
I =
55 dBm0 to
50 dBm0
Receive gain programmed to
6 dB, apply
0 dBm0 signal to DR, measure
V
RCV
,
R
L
= 100 k
differential:
20 °C to 70 °C
0 °C to 85 °C
40
°C
to +85
°C
Digital input 0 dBm0 signal,
f = 300 Hz to 3400 Hz
Digital input 0 dBm0 signal,
f = 300 Hz to 3400 Hz
Measure receive gain over the range from
maximum to minimum setting, calculated
deviation from the programmed gain rela-
tive to GRA at 0 dB,
V
DD
= 5 V
Relative to 1004 Hz, digital input =
0 dBm0 code, minimum gain < GR < maxi-
mum gain, 0 dB path gain:
f = below 3000 Hz
f = 3140 Hz
f = 3380 Hz
f = 3860 Hz
f = 4600 Hz and above
Sinusoidal test method*,
reference level = 0 dBm0:
IPCM digital level =
40 dBm0 to +3 dBm0
IPCM digital level =
50 dBm0 to
40 dBm0
IPCM digital level =
55 dBm0 to
50 dBm0
Min
Typ
Max
Unit
Transmit Gain Varia-
tion with Fre-
quency, 600
Resistive Source
Impedance and
Synthesized Termi-
nation Impedance
—
—
—
—
—
0.125
0.57
0.735
—
—
50
40
40
55
3.5
±0.04
0.01
0.03
9.0
—
30
26
30
30
0
0.135
0.125
0.015
8.98
32
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Transmit Gain Varia-
tion with Signal
Level
GXAL
0.25
0.50
1.40
—
—
—
0.25
0.50
1.40
dB
dB
dB
Receive Gain Abso-
lute Accuracy
GRA
—
0.25
0.30
0.01
±0.15
—
—
—
—
0.25
0.30
0.01
dB
dB
dB
dB
Relative Gain,
VF
R
OP
to
VF
R
ON
Relative Phase,
VF
R
OP
to
VF
R
ON
Receive Gain Varia-
tion with Pro-
grammed Gain
—
—
0.25
—
0.25
Degrees
GRAG
0.1
—
0.1
dB
Receive Gain Varia-
tion with Fre-
quency,
600
Resistive Termina-
tion
GRAF
0.125
0.57
0.735
—
—
±0.04
±0.04
0.550
10.7
—
0.125
0.125
0.015
8.98
28
dB
dB
dB
dB
dB
Receive Gain Varia-
tion with Signal
Level
GRAL
0.25
0.50
1.40
—
—
—
0.25
0.50
1.40
dB
dB
dB