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參數(shù)資料
| 型號： | TDK-73M2901CL |
| 廠商： | TDK Corporation |
| 英文描述： | V.22 BIS SINGLE CHIP MODEM |
| 中文描述： | .22結(jié)算單芯片調(diào)制解調(diào)器 |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 282K |
| 代理商： | TDK-73M2901CL |
73M2901CL
V.22bis Single Chip Modem
6
TRANSMITTER
PARAMETER
CONDITIONS
550Hz
(relative to carrier)
1800Hz
(relative to carrier)
1300Hz
2225Hz/2100Hz
High band tones
Low band tones
By step
1KHz sine wave at output
(TXAP-TXAN)
1.5Vpk(2.7dBm) for
Vref=1.25V
THD=2
nd
and 3
rd
harmonic
MIN
NOM
MAX
UNIT
-5
-3.5
-2
dB
ITU Guard tone power
-8
-6.5
-5
dB
Calling Tone
Answer Tone power
-11
-11
-12
-13.7
-0.3
-10
-10
-11.5
-13.2
0
-9
-9
-11
-12.7
0.3
dBm0
*
dBm0
*
dBm0
*
dBm0
*
dBm0
*
DTMF Transmit power
Gain adjust tolerance
Total Harmonic Distortion
(THD)
-50
dB
Each unwanted
frequency
component
Sum of unwanted
frequency
components in pass
band
-33
dBm
Intermod Distortion
At output (TXAP-TXAN)
1KHz, 1.2KHz sine waves
summed
2Vpk for Vref=1.25V
-20
dB
below
low tone
Power supply rejection ratio
-30dBm signal at VPA
300Hz-30KHz. Measured
TXAP to TXAN
30
dB
MAXIMUM TRANSMIT LEVEL
PARAMETER
QAM
CONDITIONS
Vref=1.25V
VPA=3.3V
Vref=1.25V
VPA=3.3V
Vref=1.25V
VPA=3.3V
Vref=1.25V S13=$20,
VPA=3.3V S85=80
Vref=1.25V S13=$20,
VPA=3.3V S85=80
MIN
NOM
MAX
-9.6
UNIT
dBm0
*
DPSK
-7.4
dBm0
*
FSK
-5.3
dBm0
*
DTMF (HIGH TONE)
-8
-7
dBm0
*
DTMF (LOW TONE)
-9.7
-8.7
dBm0
*
*
dBm0 refers to the TDK recommended line interface (8.5dB loss from transmit pins to the line and 3.5dB loss from the line to the receiver pin). Results
may vary depending on the selected DAA components. 0dBm=0.775mv
rms
; dBm=20log(V
rms
/(0.775mv
rms
)
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