bt8960 Mindspeed Technologies, bt8960 Datasheet - Page 97

• Manufacturer Part Number: bt8960
• Description: Bt8960, Single-chip 2b1q Transceiver
• Manufacturer: Mindspeed Technologies

Bt8960
Single-Chip 2B1Q Transceiver
Table 4-18. Transmitter Analog Requirements and Specifications
Transmit Symbol Rate (f
Pulse Template
Average Power
Gain Adjustment Step
Linearity
Harmonic Distortion
Notes: (1). Guaranteed by design and characterization.
Output Referred Offset Voltage
Output Current
Common-Mode Voltage
Output Impedance
(2). See 4-14 of the Test Conditions section of this datasheet for test circuit.
(3). Measured after the transmitter is calibrated by writing the value in the Transmitter Calibration Register [tx_calibrate;
(4). Measured with a pseudo-random code sequence of pulses.
(5). FSR is Full Scale Range.
Parameter
0x28] to the Transmitter Gain Register [tx_gain; 0x29].
(1, 2,3)
(1, 2,4)
(1)
qclk
)
QCLK Frequency (Data Rate/2)
See Figure 4-13, R
DC to 2xF
setting
Controlled by Transmit Gain Register
[0x29]. Seven steps above and eight
steps below 0 dB.
VCOMO
DC to 1 MHz
At Output Symbol Peak
3 kHz, 3.4 V Peak Sine Wave Output, R
= 0
QCLK
, R
Comments
L
L
= 135 , 0dB gain
N8960DSB
= 135
L
4.0 Electrical & Mechanical Specifications
Min
13.4
0.17
125
75
4.6 Microcomputer Interface Timing
VAA/2
0.20
0.01
Typ
–70
Max
14.0
0.24
210
25
2
%FSR
Units
dBm
kHz
mA
mV
dB
dB
W
V
(5)
87