參數(shù)資料
型號(hào)： L64733C-48
廠商： LSI CORP
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝： TQFP-48
文件頁(yè)數(shù)： 2/52頁(yè)
文件大?。?/td> 552K
代理商： L64733C-48
10
L64733C/L64734 Tuner and Satellite Receiver Chipset
RFINp, RFINn RF Input
Input
The RFIN differential signals form the 75
input.
Connect the RFINp signal through a series 100 pF
capacitor to a 75
F video connector and the RFINn
signal through a series 75
resistor and 100 pF
capacitor to ground.
RFOUT
RF Output
Output
The RFOUT signal is a 75
output that is active when
the INSEL input is deasserted. When active, the signal at
RFOUT is a copy of the RFIN signal.
Oscillator Signals
The L64733C has two internal oscillators, a crystal oscillator and a tank
oscillator.
CFLT
Bias Voltage Bypass
Bidirectional
Connect the CFLT pin as shown in Figure 7 on page 23.
TANKp, TANKn
Oscillator Tank Port
Input
Connect the TANKp and TANKn pins as shown in
VRLO
Local Oscillator Regulator Bypass
Bidirectional
Connect the VRLO pin as shown in Figure 7 on page 23.
XTLp, XTLn
Crystal Oscillator Port
Input
Connect the XTLp and XTLn pins as shown in Figure 7
XTLOUT
Crystal Out
Output
This signal provides a buffered clock reference frequency
for driving the L64734 XOIN pin.
Channel Data Signals
The following signals are the channel data signals from the L64733C to
the L64734.
IOUTp, IOUTn I Channel Baseband Data
Output
The IOUT differential signals form the in-phase data
provided to the L64734.
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