參數(shù)資料
型號: AN8946SB
廠商: PANASONIC CORP
元件分類: 接收器
英文描述: FM demodulation IC for BS/CS broadcasting
中文描述: FM, AUDIO DEMODULATOR, PDSO28
封裝: 0.375 INCH, PLASTIC, SSOP-28
文件頁數(shù): 9/10頁
文件大?。?/td> 86K
代理商: AN8946SB
ICs for TV
AN8946SB
9
Pin No.
Equivalent circuit
Description
Voltage
(Open)
25
AFC output R
Outputted is a center point potential of
a loop amp. output dynamic range.
Also used as a reference power supply
for video amp.
1.5 V
26
AFC LPF2
Construct a filter with an output im-
pedance approximately 500 k
at pin
26 and an external capacitor between
pin 26 and pin 27.
1.5 V
27
AFC LPF1
Low impedance (approximately 0.7
V) for low-level (0 V) of pin 1
High impedance (floating) for high-
level (0.5 V) of pin 1
0.6 V
28
Key pulse LPF
Pin to smooth a key pulse
Identifying a key pulse by this pin.
0 V
I
Terminal Equivalent Circuits (continued)
100
μ
A
25
1 k
10 k
26
500 k
100
μ
A
1 k
27
500
200
10 k
28
20 k
50 k
1 k
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