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generator - 555-timer circuit supposed to give 50% duty cycle square wave doesn't - Electrical Engineering Stack Exchange
Add one resistor to give bipolar LM555 oscillator a 50:50 duty cycle - EDN
Square Wave Generator using Op-Amp - Electronic Circuits
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555 Oscillator Tutorial - The Astable Multivibrator
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555' Astable Circuits | Nuts & Volts Magazine
555 Oscillator Tutorial - The Astable Multivibrator
Triangle Wave Generator using 555 Timer » 555 timer IC Hackatronic
Rectangular/Square Wave Generator Using 555 Timer : 3 Steps (with Pictures) - Instructables
555 Circuits Part 1 - The 555 Timer Astable Oscillator
Square and Triangle Wave Generation using 555 IC | Proteus Simulation | Function Generator - YouTube
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Square Wave Pulse Generator Circuit
