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參數(shù)資料
| 型號(hào)： | S1M8657X01-E0T0 |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | TELECOM, CELLULAR, BASEBAND CIRCUIT, PQFP48 |
| 封裝： | 7 X 7 MM, LQFP-48 |
| 文件頁數(shù)： | 34/34頁 |
| 文件大?。?/td> | 281K |
| 代理商： | S1M8657X01-E0T0 |
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TX IF/BBA WITH AGC
S1M8657
9
ELECTRICAL CHARACTERISTICS (Continued)
Characteristic
Test Conditions
Symbol
Min
Typ
Max
Units
CDMA Performance
SNR, Noise
BAND2
Sets the control voltage so that AGC IF
outputs -83.2dBm – 0.8dBm when I and Q
single tone F/S data are input. Converts
the noise within
± @1.98MHz – @44MHz
to dBc/Hz.
SNR2A
116
-
dBc/Hz
ACPR BAND1
Examines the difference between the
power in the @1.23MHz band and the
noise power in the 30kHz band after IS-98
specified CDMA data is input.
ACPR1
52.1
-
dB/
30kHz
ACPR BAND2
Examines the difference between the
power in the @1.23MHz band and the
noise power at
± 1.98MHz in the 30kHz
band after IS-98 specified CDMA data is
input.
ACPR2
68.1
-
dB/
30kHz
Upper-side-band
Suppression
Examines the I and Q gain and phase
error. Examines the USB suppression ratio
after I and Q single-tone F/S data is input.
USB
25
-
dBc
Amplitude flatness
Examines the change in IF amplitude
between @1kHz – @630kHz.
AF
-
1
dBpp
Tx puncturing
settling time
Examines the on-off settling time of the TX
block when PAON=Low in the TALK mode.
ST
-
6
us
FM Performance
Minimum output
power
Output when full scale data is input to the
DAC at minimum AGC gain.
MINPF
-
-50
dBm
Maximum output
power
Output when full scale data is input to the
DAC at maximum AGC gain.
MAXPF
-3
-
dBm
AGC control
voltage range
Examines the input voltage responding to
the control input when 15k
resistance is
series-connected to TAGC_CONT.
VCONT
0.1
V
CC-
0.1
V
AGC gain slope
Examines the gain difference between
control voltages 1.0 V and 2.0V to examine
the linear control band.
GSLP
33
45
53
dB/V
AGC gain slope
inearity
Examines if the gain change between
control voltages 1V – 2V is not ideal.
GLIN
-3
-
3
dB
IF SNR
Noise BAND1
Examines the noise density between
±@100kHz – @44MHz when single-tone
F/S data is input. This characteristic
generally depends on the VCO phase noise
characteristics.
SNRF1
110
-
dBc/Hz
Maximum
Spurious Content:
Examines the harmonics at the IF when
single -tone F/S data is input.
ESFDR
20
-
dBc
IF harmonics
OSFDR
9.5
-
dBc
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