參數(shù)資料
型號: T2802-PLQ
廠商: ATMEL CORP
元件分類: 無繩電話/電話
英文描述: SPST to 4PST Slide DIP Switches
中文描述: TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, QCC48
封裝: 7 X 7 MM, QFN-48
文件頁數(shù): 19/29頁
文件大?。?/td> 550K
代理商: T2802-PLQ
19
T2802
4509F–DECT–10/03
VCO_DAC Adjustment
CPCS Adjustment
Data Word 2 Programs
DEMODDAC Adjustment
With bits D3 - D6
Used to pretune the VCO frequency in case of production tolerances of the device.
Pretune DAC Voltage
D5
D6
D4
D3
f
VCO
/%
-5
0
0
0
0
0
0
0
1
...
0
0
1
0
...
...
...
...
...
...
1
1
0
1
...
1
1
1
0
...
1
1
1
1
5
With bits D1 - D2
Used to adjust the charge pump current. This can be used to compensate the change of
the tuning sensitivity over frequency and device tolerances.
CPCS (Charge-pump Current Settings)
D1
D2
CPCS
0
0
-1
0
1
0
1
0
1
1
1
2
With bits E6 - E10
Only in RX mode effective. Used to tune the demodulator center frequency and allows
to compensate tolerances of external components and the T2802.
Demod DAC Voltage
E7
E6
E10
E9
E8
f
IFcenter
%
-5
0
0
0
0
0
0
0
0
0
1
...
0
0
0
1
0
...
...
...
...
...
...
...
1
1
1
0
1
...
1
1
1
1
0
...
1
1
1
1
1
5
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