參數(shù)資料
型號(hào): SA1620BE
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 通信及網(wǎng)絡(luò)
英文描述: Low voltage GSM front-end transceiver
中文描述: SPECIALTY TELECOM CIRCUIT, PQFP48
文件頁(yè)數(shù): 3/26頁(yè)
文件大?。?/td> 203K
代理商: SA1620BE
Philips Semiconductors
Product specification
SA1620
Low voltage GSM front-end transceiver
1997 May 22
3
BLOCK DIAGRAM
P
VB
C
C
G
O
I
G
O
I
I
BANDGAP
BIAS SUPPLIES
TLO
TLOX
ATTENUATION
CONTROL LOGIC
R
R
TxIF
TxIFX
LO IN
LO INX
RxIF
RxIFX
TxO
TxOX
RETx
PDTx
PONRx
PONBUF
A
B
G
IN1
VOLTAGE REGULATORS
LNA1
LNA2
BUFFER
G
C
C
VREG1
VREG2
VREG2F2
GNDREG2
GNDREG1
G
G
G
LO INPUT
BUFFER
BUFFER
LINEAR
IF LEVEL
VC
G
B
G
G
G
G
V
CC
Tx2
MIXER
SINGLE
SIDEBAND
V
CC
Tx1
V
CC
L2
V
CC
L1
SR00129
Figure 2.
Block Diagram
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