參數(shù)資料
型號: L64734
廠商: LSI CORP
元件分類: 消費家電
英文描述: Tuner and Satellite Receiver Chipset
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 27/48頁
文件大?。?/td> 478K
代理商: L64734
L64733/L64734 Tuner and Satellite Receiver Chipset
27
Table 4
AC Characteristics of the L64733
Parameter
Condition
Min
Typ
Max
Units
RF Front End
RFIN Input Frequency
Range
Meets all following AC specs
925
2175
MHz
RFIN Single-Carrier
Input Power
RF level needed to produce 0.59 V
PP
65
25
1
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 V
PP
output), and
AGC2 set to maximum
gain (V
AGC2
= 1 V). 2
signals at FLO
+ 32 MHz, FLO
+ 72 MHz
@2175 MHz
@1550 MHz
@925 MHz
3
7
8
dBm
dBm
dBm
Baseband 1 dB
Compression Point
IOUTp, IOUTn, QOUTp, QOUTn have
1 signal within filter BW
2
V
PP
RFIN Referred IP2
PRFIN =
25 dBm, F
LO
= 951 MHz
15.5
dBm
Noise Figure
At maximum gain AGC1, AGC2
11.5
dB
RFIN Worst Case
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
27
dB
Half-Harmonic Rejection
and x 1.5 Harmonic
Rejection
1, 2
Due to RFIN-generated 2nd harmonic
27
dB
Loop Through
Gain
@2175 MHz
@1550 MHz
@925 MHz
2.5
1.8
0.8
dB
(Sheet 1 of 3)
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