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3-Digit CC Multiplexed Display Driver Circuit Design with BCD Inputs and Debounced Switches

This circuit design features a 3-digit CC multiplexed display driven by a 4511 display driver. It utilizes BCD inputs and incorporates debounced switches for reliable operation. Key components include 2N3906 transistors, capacitors (10nF, 100nF), and resistors (47kΩ, 2.2kΩ, 220Ω). The circuit also includes an IR LED and photo-transistor for fan control using a monostable configuration. Ensure to keep the grid snap function on while designing to maintain proper alignment and connection of all components.

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3-Digit CC Multiplexed Display Driver Circuit Design with BCD Inputs and Debounced Switches

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  1. 3-Digit CC Multiplexed Display

  2. 4511

  3. Display Driver +5V Ω BCD Inputs

  4. 4553

  5. +5V Ω 4.7kΩ 15 4.7kΩ 1 4.7kΩ 2 2N3906 10nF

  6. +5V 100nF 47kΩ 100nF 47kΩ Debounced Switches

  7. Chopper +5V +5V ¼ 4093 2.2kΩ 220Ω Out IR LED IR photo-transistor Fan/chopper

  8. Monostable

  9. - + M Basic Circuit Elements Note: Keep grid snap on, this helps align devices on nodes All devices are sized to fit the default grid t = 0 R23 L23 C23 D1 V1 I1 Cut and paste parts, thenconnect and label with these: Q23 Node pins: Connectors: Labels: In Out Gnd Ports Vcc Vout F1 Vin

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