T8531-TL-DB Agere Systems, Inc., T8531-TL-DB Datasheet - Page 27

• Manufacturer Part Number: T8531-TL-DB
• Description: Multichannel programmable codec chip set. Dry pack tray.
• Manufacturer: Agere Systems, Inc.

November 2000
Lucent Technologies Inc.
Transmission Characteristics
Table 13. Noise (per Channel)
* Measured with a –50 dBm0 activation signal applied to VF
Transmit Noise,
Transmit Noise,
Receive Noise,
Receive Noise,
Noise, Single Frequency
Power Supply Rejection,
Power Supply Rejection,
Spurious Out-of-band
C-message Weighted
P-message Weighted
C-message Weighted
P-message Weighted
Transmit
Receive
Signals at the Channel
Outputs
Parameter
Symbol
PSR
PSR
SOS
N
N
N
N
N
XC
RC
RP
RS
XP
X
R
Digital pattern corresponding to idle PCM
0 dB receive gain, digital pattern corre-
0 dB receive gain, digital pattern corre-
code, -law, C-message weighted
sponding to idle PCM code, A-law
sponding to idle PCM code, -law
f = 0 kHz to 100 kHz, loop around
0 dBm0, 300 Hz to 3400 Hz input
(continued)
oversampled data code applied
measurement, VTX = 0 Vrms
V
V
DD
DD
at OSDR0 (or OSDR1):
C-message weighted
X
f = 25 kHz to 50 kHz
4600 Hz to 7600 Hz
7600 Hz to 8400 Hz
= 5.0 Vdc + 100 mVrms
f = 4 kHz to 50 kHz*
= 5.0 Vdc + 100 mVrms
f = 4 kHz to 25 kHz
I input of channel under test.
8400 Hz to 50 kHz
Measured on VRP
0 dB transmit gain
0 dB transmit gain
f = 0 kHz to 4 kHz
f = 0 kHz to 4 kHz
Test Conditions
Min
36
30
36
40
36
—
—
—
—
—
—
—
—
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
Codec Chip Set
Max
–68
–75
–53
–30
–40
–30
18
13
—
—
—
—
—
dBrnC0
dBrnC0
dBm0p
dBm0p
dBm0
Unit
dBC
dBC
dBC
dBC
dBC
dB
dB
dB
27