參數(shù)資料
型號(hào): SA900BE
廠商: NXP SEMICONDUCTORS
元件分類: 無繩電話/電話
英文描述: I/Q transmit modulator
中文描述: TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQFP48
文件頁數(shù): 3/20頁
文件大?。?/td> 191K
代理商: SA900BE
Philips Semiconductors
Preliminary specification
SA900
I/Q transmit modulator
1997 Sept 16
3
BLOCK DIAGRAM
3/1
4/5/1
÷
2/1
SM1
SM2
X
Y
SM1
SM2
CONV2
XTAL
OSC
CONTROL
LOGIC
÷
B8/1
÷
A8/1
÷
N
BIAS
LPF
PHS
DET
LPF
LPF
VGA
CONTROL
VGA
PA
DUALTX
AMPSTX
PA
AD
AD
AD
TXEN
STROBE
CLOCK
DATA
CLKSET
MCLK
CLK2
CLK1
TXLO_2
TXLO_1
TANK_1
TANK_2
PHSOUT
I
PEAK
XTAL_1
XTAL_2
LO_2
LO_1
I
I
Q Q
VCO
IMAGE
REJECT
MIXER
TXLO
VCO
SE
N<0:1>
AD
SM1
SM2
Y
X
BG
2
6
÷
÷
PHASE
SHIFT
NETWORK
SR00637
Figure 2. Block Diagram
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