Design of Delay Unit Lab Report Example | Topics and Well Written Essays - 1750 words

Design of Delay Unit - Lab Report ExampleThis means that the pin will deliver only 200mA drop 6 this is the threshold pin of the chip. This pin detects twain thirds of the rail voltage for it to make a LOW state output only if pin two is in HIGH state. This pin contains a very high impedance and introductions at about 1uA. A 555 timer based oscillator is a lick that generates highly and clear free running waveforms. The output frequency of these waveforms can be adjusted by connecting an RC circuit with one capacitor and two resistors. This circuits is a display case of the general relaxation oscillator which generates squ be waveforms that are stable. These waveforms can check a fixed frequency of about 500 kHz or it can have duty cycles that are varying from fifty to a hundred percent. Unlike monostable circuits that stops after the pre-set time has elapsed, this oscillator circuit has a re-triggering mechanism achieved by interfacing the trigger input pin two and pin six wh ich is the threshold voltage. This makes the device to be an astable oscillator circuit. In the above oscillator circuit, pin two and pin six are connected together. This allows the circuit tio have a self-triggering mechanism in each operation cycle. This makes the circuits operation a free running oscillator. This circuit is also known as voltage-to-frequency converter. This is because its output frequency can be varied by varying the applied input voltage. These waveforms can have a fixed frequency of about 500 kHz or it can have duty cycles that are varying from fifty to a hundred percent.