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參數(shù)資料
| 型號： | RF2690 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | W-CDMA RECEIVE AGC AND DEMODULATOR |
| 中文描述： | TELECOM, CELLULAR, BASEBAND CIRCUIT, QCC20 |
| 封裝： | 4 X 4 MM, LCC-20 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大小： | 259K |
| 代理商： | RF2690 |
Preliminary
7-42
RF2690
Rev A4 010918
7
Q
D
Auto Calibration Mode
The filters are automatically tuned when the ENCAL pin goes high. The filters are reset to a nominal value whenever the
ENCAL pin goes low. The auto calibration circuitry is independent of the EN WUP and the EN RX control pins.
The EN RX and ENCAL pins can be connected together if desired.
Mode Control Truth Table
Mode
Power Down
W-CDMA RX Warm-Up
W-CDMA RX
Logic
EN RX
EN WUP
EN RX
0
1
1
EN WUP
X
0
1
Chip Enable
Warm-up Enable
If EN RX=0, then entire IC is powered down.
If EN WUP=0, then IC is in warm-up mode.
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