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參數(shù)資料
| 型號(hào)： | GL6840B |
| 元件分類(lèi)： | 通信、網(wǎng)絡(luò)模塊及開(kāi)發(fā)工具 |
| 英文描述： | Telecomm/Datacomm |
| 中文描述： | 電信/數(shù)據(jù)通信 |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大小： | 64K |
| 代理商： | GL6840B |
GL6840
2
Block Diagram
Pin Description
Threshold
Detector
Sweep Frequency
Oscillator
Tone Generation
Oscillator
Output
Stage
Overvoltage
Protection
Bridge
Diode
8
1
3
4
5
6
7
2
PIN
NAME
DESCRIPTION
1,8
LINE
Input terminals to bridge diode. The AC ringing signal from the
telephone line drives the ringer through bridge.
2
GND
Ground
3
Sweep Rate
Control Capacitor
This pin is connected to external capacitor to control the sweeping
frequency(f
SWEEP
)
4
Output Frequency
Control Resistor
This pin is connected to external resistor to control the two tone
frequency(f
1
, f
2
)
5,6
Buzzer
The tone ringer output terminals which have inverse output phase
each others.
7
Rectifier
Capacitor
This pin is connected to external capacitor to change AC ringing
signal into DC voltage.
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