L64733C LSI Logic Corporation, L64733C Datasheet - Page 28
L64733C
Manufacturer Part Number
L64733C
Description
Tuner And Satellite Receiver Chipset Data Sheet 2/01
Manufacturer
LSI Logic Corporation
Datasheet
1.L64733C.pdf
(52 pages)
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Table 4
28
Parameter
Noise Figure
RFIN Return Loss
LO Leakage Power at
RFIN
Second Harmonic
Rejection
Half-Harmonic Rejection
and x 1.5 Harmonic
Rejection
Loop Through
Gain
RFIN referred IP3 (when
Loop-Through enabled)
Noise Figure
Return Loss
Baseband
IOUTp, IOUTn, QOUTp,
QOUTn Differential Output
Voltage Swing
IOUTp, IOUTn, QOUTp,
QOUTn Output Impedance
Baseband Highpass 3 dB
Point
LPF Nominal Cutoff
Frequency Range
LPF Nominal Fc
(Sheet 2 of 3)
2
AC Characteristics of the L64733C (Cont.)
L64733C/L64734 Tuner and Satellite Receiver Chipset
Condition
At maximum gain AGC1, AGC2,
2150 MHz
Complex “75
board, connector parasitics.
950 MHz to 2150 MHz, subject to
board layout
Due to LO-generated 2nd harmonic
Due to RFIN-generated 2nd harmonic
At PRFIN = 25 dBm
Subject to board and connector
parasitics
2 k
QOUTp, QOUTn. Expect 20 pF from
each pin to GND
Per side, IOUTp, IOUTn, QOUTp,
QOUTn. To 200 MHz
0.22 F caps connected from IDCp to
IDCn, and QDCp to QDCn.
Fc is 3 dB point of filter
differential load, IOUTp, IOUTn,
source” subject to
@2175 MHz
@1550MHz
@925 MHz
@2175 MHz
@1550MHz
@925 MHz
Min
–
–
–
–
–
–
–
–
–
1
–
–
8
–
14.5 ·
F
FLCLK
10.8
12.0
Typ
-65
2.0
1.0
0.5
5.4
7.7
9.5
11
44
40
8
–
–
–
–
+ 1
Max
750
50
33
–
–
–
–
–
–
–
–
–
–
–
Units
dBm
dBm
MHz
V
dB
dB
dB
dB
dB
dB
dB
Hz
–
PP
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