Free Simple Circuit Diagram
Scope sensitivity amplifier is a vital front-end signal processing for every scope instruments. The function of this circuitry is simple: amplify the signal with a consistent/stable gain without altering the waveform. A stability of its gain make it possible to make a precise volts/div scaler with no drift in time and ambient temperature. The requirement to reproduce the signal without […]
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A signal averager circuit can be formed by an amplifier and active signal rectifier, which is implemented using two operational amplifiers in this circuit. The first op-amp is configured as inverting amplifier and the second forms an active half-wave rectifier. The half cycle signal is then filtered by an RC (resistor-capacitor) filter to get the average value. The gain of […]
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RS flip-flop, or reset-set flip flop, is a kind of stable multivibrator with two input, namely reset and set. The output will be at one of two stable states, set (active) or unset (inactive). A pulse strobe on set input will activate the output, and a strobe on reset input will deactivate the output. This two stable stage are provided […]
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At high speed, visually checking your speedometer to keep under maximum speed can be dangerous. It will be much safer if we put an audio alarm system to give a warning if the speed reach a certain threshold. To build a speed alarm circuit, two IC timers are needed. The alarm will beep if the input frequency is greater than […]
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