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Published byDoris Hampton
Modified over 3 years ago
Basic Operation of a 555 Timer Threshold Control Voltage Trigger Discharge Reset Output
Functional Diagram of 555 Timer
The 555 Timer Connected as a One-shot. Figure 8--49
One-shot Operation of the 555 timer. Figure 8--50
555 Timer as a One Shot t w = 1.1R1C1 = 1.1(2000 )(1 F) = 2.2ms
555 Timer as a One Shot waveform
Astable operation of 555 Timer t H =.7 (R1+R2)C1 =2.1ms t L =.7R2C1 = 0.7ms
Astable operation of 555 Timer
Less Than 50% Duty Cycle. Figure 8--54
Example 8-14. Figure 8--55
Astable operation of 555 Timer waveform
555 Timer Datasheet
Multivibrators and the 555 Timer
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As an Astable Multivibrator 1. 2 An integrated chip that is used in a wide variety of circuits to generate square wave and triangular shaped single.
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