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參數(shù)資料
| 型號： | AN3117SA |
| 廠商： | PANASONIC CORP |
| 元件分類： | 衰減器 |
| 英文描述： | LJT 22C 22#22D PIN RECP |
| 中文描述： | RF/MICROWAVE AM/FM MODULATOR |
| 封裝： | SSOP-16 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 71K |
| 代理商： | AN3117SA |
AN3117S, AN3117SA
Other ICs for Video
4
I
Terminal Equivalent Circuits
Pin No.
Pin name
Equivalent circuit
Description
Standard open voltage
1
GND
2
P/S
Adjustment pin
P/S ratio becomes large when
the capacitance connected be-
tween pin and GND increases.
2.7 V
3
RF OSC
Control pin
Pin to control RF OSC.
Oscillation of RF becomes
unstable when capacitance
connected between pin and
GND is too small.
4
SIF
Oscillation pin 1
Reference bias source of
oscillator. Sound buzz appears
to decrease in sense of hear-
ing when capacitance is con-
nected between pin and GND
to cut AC signal. Oscillation
frequency is determined by
the external tank circuit.
4.2 V
5
SIF
Oscillation pin 2
Reference oscillator for
4.5 MHz sound modulator.
4.2 V
6
Sound input pin
Typical DC voltage is almost
same as GND potential. If
DC level of sound input sig-
nal is GND potential, an ex-
ternal coupling capacitor is
not necessary. The circuit
configuration which is de-
signed to minimize the volt-
age variation at power sup-
ply on makes less pop noise.
0 V
1
2
2 k
3
10 k
4
5
6.2 k
6
20 k
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