Subelement D: Circuits— Topic 32: Schematics
Question 3-32D5
Element 3 (GROL)In Figure 3D10 with a square wave input what would be the output?
Explanation
Output 3 in Figure 3D10 typically represents an integrator circuit. An integrator's output voltage is proportional to the integral of its input voltage over time. When a square wave is applied to an integrator:
* During the constant positive voltage period of the square wave, the capacitor in the integrator charges linearly, causing the output voltage to rise steadily (a positive ramp).
* During the constant negative voltage period, the capacitor discharges linearly in the opposite direction, causing the output voltage to fall steadily (a negative ramp).
This continuous charging and discharging process transforms the square wave's abrupt transitions and flat levels into a smooth, triangular waveform. The other outputs usually depict differentiated spikes, smoothed square waves (low-pass), or the original/shifted square wave (high-pass).
Related Questions
3-32D3 What will occur if an amplifier input signal coupling capacitor fails open?3-32D4 In Figure 3D9, determine if there is a problem with this regulated power supply and identify the problem.3-32D6 With a pure AC signal input to the circuit shown in Figure 3D11, what output wave form would you expect to see on an oscilloscope display?3-33E1 What is the voltage range considered to be valid logic low input in a TTL device operating at 5 volts?3-33E2 What is the voltage range considered to be a valid logic high input in a TTL device operating at 5.0 volts?