参数资料
型号: L64733C-48
厂商: LSI CORP
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封装: TQFP-48
文件页数: 21/52页
文件大小: 552K
代理商: L64733C-48
28
L64733C/L64734 Tuner and Satellite Receiver Chipset
Noise Figure
At maximum gain AGC1, AGC2,
2150 MHz
10.8
dB
RFIN Return Loss
Complex “75
source” subject to
board, connector parasitics.
–11
dB
LO Leakage Power at
RFIN
950 MHz to 2150 MHz, subject to
board layout
-65
dBm
Second Harmonic
Rejection
Due to LO-generated 2nd harmonic
44
dB
Half-Harmonic Rejection
and x 1.5 Harmonic
Rejection2
Due to RFIN-generated 2nd harmonic
40
dB
Loop Through
Gain
@2175 MHz
@1550MHz
@925 MHz
2.0
1.0
0.5
–dB
RFIN referred IP3 (when
Loop-Through enabled)
At PRFIN =
25 dBm
@2175 MHz
@1550MHz
@925 MHz
5.4
7.7
9.5
dBm
Noise Figure
12.0
dB
Return Loss
Subject to board and connector
parasitics
–8
dB
Baseband
IOUTp, IOUTn, QOUTp,
QOUTn Differential Output
Voltage Swing
2k
differential load, IOUTp, IOUTn,
QOUTp, QOUTn. Expect 20 pF from
each pin to GND
1–
VPP
IOUTp, IOUTn, QOUTp,
QOUTn Output Impedance
Per side, IOUTp, IOUTn, QOUTp,
QOUTn. To 200 MHz
––
50
Baseband Highpass
3dB
Point
0.22
F caps connected from IDCp to
IDCn, and QDCp to QDCn.
750
Hz
LPF Nominal Cutoff
Frequency Range
Fc is
3 dB point of lter
8
33
MHz
LPF Nominal Fc
14.5
FFLCLK +1
––
Table 4
AC Characteristics of the L64733C (Cont.)
Parameter
Condition
Min
Typ
Max
Units
(Sheet 2 of 3)
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