參數(shù)資料
型號(hào): L64734
廠商: LSI CORP
元件分類(lèi): 消費(fèi)家電
英文描述: Tuner and Satellite Receiver Chipset
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝: PLASTIC, QFP-100
文件頁(yè)數(shù): 28/48頁(yè)
文件大?。?/td> 478K
代理商: L64734
28
L64733/L64734 Tuner and Satellite Receiver Chipset
RFIN referred IP3
(when Loop-Through
enabled)
At PRFIN =
25 dBm
@2175 MHz
@1550 MHz
@925 MHz
5
7
9
dBm
Noise Figure
12.0
dB
Worst-Case Return Loss
Subject to board and connector
parasitics
8
dB
Baseband
IOUTp, IOUTn, QOUTp,
QOUTn Differential
Output Voltage Swing
2 k
differential load, IOUTp, IOUTn,
QOUTp, QOUTn. Expect 20 pF from
each pin to GND
1
V
PP
IOUTp, IOUTn, QOUTp,
QOUTn Output
Impedance
Per side, IOUTp, IOUTn, QOUTp,
QOUTn. To 200 MHz
50
s
Baseband Highpass
3 dB Point
0.22
μ
F caps connected from IDCp to
IDCn, and QDCp to QDCn.
750
Hz
LPF Nominal Cutoff
Frequency Range
Fc is
3 dB point of filter
8
33
MHz
LPF Nominal Fc
14.5 ·
F
FLCLK
+ 1
Baseband Frequency
Response
Deviation from ideal 7th-order Butter-
worth, measure to F - 3 dB x 0.7.
Include front-end tilt effects
0.5
0.5
dB
LPF Cutoff Frequency
Accuracy
Measured
3 dB point
@8 MHz
@31.4 MHz
5.5
10
5.5
10
%
%
Quadrature Gain Error
Includes effects from baseband filters
1.2
dB
Quadrature Phase Error
Measure at 125 kHz
4
Deg
Synthesizer
Crystal Frequency Range
4
7.26
MHz
XTLOUT Voltage Levels
Measured on 10 pF // 1 M
0.8
1.0
1.3
V
PP
XTLOUT DC Level
2.0
V
Table 4
AC Characteristics of the L64733 (Cont.)
Parameter
Condition
Min
Typ
Max
Units
(Sheet 2 of 3)
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