# cfd ## Description Constant Fraction Discriminator (CFD) based on: D. M. Binkley, "Performance of non-delay-line constant-fraction discriminator timing circuits," in IEEE Transactions on Nuclear Science, vol. 41, no. 4, pp. 1169-1175, Aug. 1994, doi: 10.1109/23.322878. ## Project Details - **Owner:** matterport - **Created:** 5/8/2024 - **Last Updated:** 5/9/2024 - **Visibility:** Public ## Key Components ### — [Volt Meter](https://www.flux.ai/jharwinbarrozo/volt-meter~pi7.md) **Pins:** - COM - VIN ### — [Volt Meter](https://www.flux.ai/jharwinbarrozo/volt-meter~pi7.md) **Pins:** - COM - VIN ### — [Volt Meter](https://www.flux.ai/jharwinbarrozo/volt-meter~pi7.md) **Pins:** - COM - VIN ### — [Volt Meter](https://www.flux.ai/jharwinbarrozo/volt-meter~pi7.md) **Pins:** - COM - VIN ### OP1 — [Op Amp V2](https://www.flux.ai/jbreidfjord-dev/op-amp-v2~l9.md) - Open-loop Gain: 100k - Differential Input Resistance: 100e9Ω - Open-loop Output Resistance: 1Ω - Supply Rail Head Room: 0V - Bandwidth: 1000Hz - Maximum Output Current: 1A - Quiescent Supply Current: 0.001A - Maximum Supply Voltage Between Rails: 50V - Input Offset Voltage: 0V **Pins:** - IN1 - IN2 - OUT - VCC - VEE ### OP2 — [Op Amp V2](https://www.flux.ai/jbreidfjord-dev/op-amp-v2~l9.md) - Bandwidth: 10000Hz - Supply Rail Head Room: 0V - Open-loop Output Resistance: 1Ω - Open-loop Gain: 100k - Differential Input Resistance: 100e9Ω - Quiescent Supply Current: 0.001A - Input Offset Voltage: 0V - Maximum Supply Voltage Between Rails: 50V - Maximum Output Current: 1A **Pins:** - IN1 - IN2 - OUT - VCC - VEE ### V1 — [DC Supply](https://www.flux.ai/jharwinbarrozo/dc-supply~35.md) - Voltage: 5V **Pins:** - ANODE - CATHODE ### V2 — [DC Supply](https://www.flux.ai/jharwinbarrozo/dc-supply~35.md) - Voltage: -5V **Pins:** - ANODE - CATHODE ### V3 — [Pulsed Voltage Source](https://www.flux.ai/jbreidfjord-dev/pulsed-voltage-source~6p.md) - Pulsed Voltage: 2V - Rise Time: 900ps - Pulse Width: 1ps - Part Type: Power Source - Initial Voltage: 0V - Delay: 0s - Fall Time: 900ps - Period: 3.6ns **Pins:** - Anode - Cathode ### V4 — [DC Supply](https://www.flux.ai/jharwinbarrozo/dc-supply~35.md) - Voltage: 5V **Pins:** - ANODE - CATHODE ### V5 — [DC Supply](https://www.flux.ai/jharwinbarrozo/dc-supply~35.md) - Voltage: -5V **Pins:** - ANODE - CATHODE *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/matterport/cfd~f5](https://www.flux.ai/matterport/cfd~f5).* --- *Generated from [https://www.flux.ai/matterport/cfd~f5](https://www.flux.ai/matterport/cfd~f5)*