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參數(shù)資料
| 型號： | REJ03F0023_M61140FP |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | TUNER SINGLE CHIP |
| 中文描述： | 調(diào)諧器單芯片 |
| 文件頁數(shù)： | 8/29頁 |
| 文件大小： | 571K |
| 代理商： | REJ03F0023_M61140FP |
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M61140FP
Rev.1.2, Apr.16.2004, page 8 of 28
Pin No.
27
Pin name
SDA
Function
SDA input terminal. Reading and
writing of data confirm to I
2
C bus
of Philips.
Circuit Diagram
28
27
1K
ACK
28
29
Logic Vcc
REF IN
Logic block power supply.
Reference frequency input
terminal. Connect crystal
oscillator at this terminal, or
external signal (Sine wave).In
this case of using external sine
wave signal, pull down this
terminal with 1.5k to 3.3k
.
28
29
1.3K
500
1.3K
500
30
31
Logic GND
VT DRIVE
Logic block power supply.
Filter transistor drive terminal. As
for drive output, control bit "OS"
controls it On or OFF
Charge pump output terminal.
When the phase of the divide
frequency of local is lead
compared with the reference
frequency, the "source" current
state becomes active. If it is lag,
the "sink" current becomes
active. If the phase are the
same, the high impedance state
becomes active.
VIF block power supply.
Power supply terminal
exclusively for IF amp output
(pin 34) circuit.
IF amp output terminal. This
terminal is a low impedance and
output IF frequency.
32
CP
32
31
28
D
U
OS
150
1K
50
33
34
VIF Vcc
IF2 Vcc
35
IF OUT
34
35
20
36
IF2 GND
IF2 grand terminal. This grand is
exclusively used by circuit of IF
amplifier
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