A simple rail-splitter to derive the 2.5-V "common" rail, and an output level control and buffer with both AC- and DC-coupled outputs

Download PDF

Other Materials from the Main Document

• Article «How to control your impulses. Part 1 - Dirac delta»
• Figure 1. A simple oscillator with some added logic generates single pulses when triggered
• Figure 2. Some waveforms from the circuit in Figure 1
• Figure 3. A comparison between an ideal normal-distribution curve and a raised cosine, including the output from Figure 1
• Figure 4. A simple rail-splitter to derive the 2.5-V "common" rail, and an output level control and buffer with both AC- and DC-coupled outputs
• Figure 5. For multi-range use, timing capacitor C1 is switched. To trim the HF response for each range, R3 must also vary
• Figure 6. Bridging D6 with a pair of Schottky diodes gives a better fit to the desired curve, though the gain and offset need adjusting
• Figure 7. The improved pulse shape resulting from Figure 6