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參數(shù)資料
| 型號(hào)： | PCT789T-A |
| 英文描述： | PCI HSP56 World MicroModem/PCT303DW/PCT1789W |
| 中文描述： | 世界MicroModem/PCT303DW/PCT1789W的PCI HSP56 |
| 文件頁數(shù)： | 54/70頁 |
| 文件大小： | 872K |
| 代理商： | PCT789T-A |
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PC-TEL, Inc.
54
1789W0DOCDAT06A-0299
PCT1789W DATA SHEET
E
LECTRICAL
C
HARACTERISTICS
!
PRELIMINARY
PRELIMINARY
PCT303DW AC Characteristics
Given values are: V
A
= charge pump, V
D
= +3.3 V ± 5%; T
A
= 0 °C to 70 °C for K-grade, –40 °C to +85 °C for B-grade.
Table 23 PCT303DW AC Characteristics
Parameter
Freq response, transmit
a,b
Symbol
F
RT
F
RT
F
RT
V
TX
F
RR
F
RR
F
RR
V
RX
DR
Test Condition
Low –3dB corner
Min
Typ
33
Max
Unit
Hz
a.
b.
c.
d.
e.
These characteristics are determined by external components. See Figure 2 on page 6.
Sample rate = 8 kHz
Parameter measured at Tip and Ring of Figure 2 on page 6.
Full scale receive level produces –0.9dBFS at SDO.
DR = 60dB + 20 log (RMS signal/RMS noise). Applies to both the transmit and receive paths. Measurement
bandwidth is 10Hz to 3400Hz. Valid sample rate ranges between 7200Hz and 11025Hz.
THD = 20 log (RMS distortion/RMS signal). Applies to both the transmit and receive paths. Valid sample rate ranges
between 7200Hz and 11025Hz.
Freq response, transmit
a,b
300Hz
–0.2
0
dB
Freq response, transmit
b
3400Hz
–0.2
0
dB
Transmit full scale level
c
(0dB gain)
0.98
V
peak
Hz
Freq response, receive
a,b
Low –3dB corner
33
Freq response, receive
a,b
300Hz
–0.01
0
dB
Freq response, receive
b
3400Hz
–0.2
0
dB
Receive full scale level
c,d
(0dB gain)
0.98
V
peak
dB
Dynamic range
e
Total harmonic distortion
f
Gain drift
VIN = 1kHz, –60dB
84
f.
THD
VIN = 1kHz, –3dB
–84
dB
A
T
VIN = 1kHz
0.002
dB/°C
Dynamic range (call progress AOUT)
DR
AO
THD
AO
VIN = 1kHz
60
dB
THD (call progress AOUT)
VIN = 1kHz
1.0
%
AOUT full scale level
0.75V
A
10
V
p-p
k
dB
dB
AOUT output impedance
Mute level (call progress AOUT)
Dynamic range (Caller ID mode)
–90
DR
CID
V
CID
VIN = 1kHz, –60dB
60
Caller ID full scale level (0dB gain)
c
0.8
V
peak
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