RS8973 Mindspeed Technologies, RS8973 Datasheet - Page 108

• Manufacturer Part Number: RS8973
• Description: Single-chip Sdsl/hdsl Transceiver
• Manufacturer: Mindspeed Technologies

5.0 Electrical and Mechanical Specifications
5.8 Analog Specifications
Table 5-18. Transmitter Analog Requirements and Specifications (2 of 2)
Figure 5-13. Transmit Pulse Template for Two- and Three-Pair Systems; Normalized Pulse Mask
(Source ETSI TS 101 135 Formerly ETR 152)
5-20
Power spectral density
Average power
Gain adjustment step
Common-mode voltage
Output impedance
NOTE(S):
(1) Guaranteed by design and characterization.
(2) See
(3) Measured after the transmitter is calibrated by writing the value in the Transmitter Calibration Register [tx_calibrate; 0x28] to
(4) Measured with a pseudo-random code sequence of pulses.
the Transmitter Gain Register [tx_gain; 0x29].
F = – 0,01
A = 0,01
Figure 5-18
Parameter
(1, 2, 3,4)
C = 1,00
D = 0,93
B = 1,07
(1)
of
– 1,2T
Section 5.9, Test Conditions
(1, 2, 3,4)
– 0,6T
– 0,4T 0,4T
0
Controlled by Transmit Gain Register [0x29]
VCOMO
See
R
DC to 2 x F
setting
DC to 1 MHz
0,5T
L
= 135
Figures
T
1,25T
QCLK
5-15,
Preliminary Information
, for the test circuit.
, R
Comments
L
5-16
= 135 , calibrated gain
G = – 0,16
Conexant
and 5-17,
T = 2,55 s at 784 kbps
T = 1,71 s at 1168 kbps
14T
13.4
Min
—
—
—
—
Single-Chip SDSL/HDSL Transceiver
VAA/2
0.20
Typ
—
—
—
50T
E = 0,03
H = – 0,05
Max
—
14
—
—
A = 0,01
F = – 0,01
2
N8973DSD
RS8973
Units
dBm
—
dB
V