參數(shù)資料
型號: L64733C-44
廠商: LSI CORP
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC44
封裝: 7 X 7 MM, 0.90 MM HEIGHT, QFN-44
文件頁數(shù): 20/52頁
文件大小: 552K
代理商: L64733C-44
L64733C/L64734 Tuner and Satellite Receiver Chipset
27
Analog Control Inputs - AGC1, AGC2
Input Bias Current
1 V < Pin < 4 V
50
50
A
Baseband Outputs - IOUTp, IOUTn, QOUTp, QOUTn
Output Swing
Loaded with 2 k
differential across
IOUTp, IOUTn, and QOUTp, QOUTn
1—
VPP
IOUTp, IOUTn, QOUTp,
QOUTn Common Mode
Voltage
0.65
0.85
V
IOUTp, IOUTn, QOUTp,
QOUTn DC Offset Voltage
50
50
mV
Table 4
AC Characteristics of the L64733C
Parameter
Condition
Min
Typ
Max
Units
RF Front End
RFIN Input Freq. Range
Meets all following AC specs
925
2175
MHz
RFIN Single-Carrier
Input Power1
RF level needed to produce 0.59 VPP.
68
25
dBm
AGC1 Range
1 V < AGC1 < 4 V
50
dB
AGC2 Range
1 V < AGC2 < 4 V
19
dB
RFIN referred IP3
(front-end contributions)
AGC1 gain set for
25 dBm input level
(0.59 VPP output), and
AGC2 set to maximum
gain (VAGC2 = 1 V). Two
signals at FLO
+ 32 MHz, FLO +
72 MHz
@2175 MHz
@1550MHz
@925 MHz
10.5
11.5
10.5
dBm
Baseband 1 dB
Compression Point
IOUTp, IOUTn, QOUTp, QOUTn have
one signal within lter bandwidth
2–
VPP
RFIN Referred IP2
PRFIN = -25 dBm, FLO = 951 MHz
15.5
dBm
(Sheet 1 of 3)
Table 3
DC Characteristics of the L64733C (Cont.)
Parameter
Condition
Min
Typ
Max
Units
(Sheet 3 of 3)
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