參數(shù)資料
型號(hào): HA17741PS
廠商: Hitachi,Ltd.
元件分類: 運(yùn)動(dòng)控制電子
英文描述: General-Purpose Operational Amplifier (Frequency Compensated)
中文描述: 通用運(yùn)算放大器(頻率補(bǔ)償)
文件頁數(shù): 4/18頁
文件大小: 89K
代理商: HA17741PS
HA17741/PS
4
IC Operational Amplifier Application Examples
Multivibrator
A multivibrator is a square wave generator that uses an RC circuit charge/discharge operation to generate
the waveform. Multivibrators are widely used as the square wave source in such applications as power
supplies and electronic switches.
Multivibrators are classified into three types, astable multivibrators, which have no stable states,
monostable multivibrators, which have one stable state, and bistable multivibrators, which have two stable
states.
1. Astable Multivibrator
+
R
3
V
CC
V
EE
Vout
R
1
R
2
R
L
Vin(
)
Vin(+)
C
1
Figure 1 Astable Multivibrator Operating Circuit
Vin(+) 0
Vin(
) 0
Vout 0
Vertical:
Horizontal:
Circuit constants
R
1
= 8 k
, R
2
= 4 k
R
3
= 100 k
, C
1
= 0.1
μ
F
R
L
=
V
CC
= 15 V, V
EE
=
15 V
5 V/div
2 ms/div
Figure 2 HA17741 Astable Multivibrator Operating Waveform
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