About 19 results
Open links in new tab
  1. timer - What is the functional difference between 4049 and 4069 hex ...

    Mar 4, 2022 · 4049 has 16 pins and significantly-different pinout. 4049 has much higher drive capability compared to regular CMOS. 4069 is a bog-standard hex inverter. There are several similar devices …

  2. How does this "CD4069 smooth bargraph" work?

    Feb 20, 2021 · According to the 4069 datasheet, the gates are not Schmidt triggers nor buffered, and the diagram for a gate seems quite simple: If I'm right, the resistors form a voltage divider and just …

  3. cmos - How can I test if an IC output is buffered? - Electrical ...

    Sep 23, 2022 · 5 I have some CD4069UBE and some CD4069BE. From what I understood, the UBE ones should be unbuffered and the BE ones buffered. But I don't find any datasheet that shows …

  4. How to build an 8 MHz oscillator with a crystal?

    Feb 11, 2023 · How important is it that I use a 4069UB The important bit is the "UB" after "4069". It stands for unbuffered and, an unbuffered device is needed. A 7400 is "buffered" i.e. it won't work as …

  5. inverter - Negative Charge Pump- How to analyze this? - Electrical ...

    Feb 21, 2016 · I am using CMOS 4069 inverter and wired up this circuit. I want to generate a −Vdd V d d negative pulse and 2Vdd 2 V d d positive pulse. The circuit above is for the negative voltage. …

  6. Will this 4069-based CMOS low frequency oscillator schematic work?

    I'm into building synthesizers from scratch. I've recently built a low frequency oscillator as part of an instrument which works well, based on a TL074 quad op amp. However, it uses a heck of a lot...

  7. How to set up a basic crystal oscillator circuit?

    Dec 1, 2024 · I would like to make a clock circuit. For that I need to use a 2-pin crystal oscillator ran at 10MHz with 5V. I read that I shouldn't just use the crystal by itself. Capacitors, resistors, inductor...

  8. Half Adder Using 4069 and 4011 Chips - Electrical Engineering Stack ...

    Sep 8, 2015 · I am having trouble designing a wiring diagram for a half adder using the following two chips: CD4069 (hex inverter) HEF4011 (quad 2-input NAND) Can someone guide me in the right …

  9. Why does my CD 40106 and CD 4069 inverters have such a bad output ...

    Sep 19, 2020 · The images below are the result of the CD 4069, but the CD 40106 schmitt trigger version produces very similar results as well. Input, which looks exactly as I expected: Output: I …

  10. 4069 envelope follower - Electrical Engineering Stack Exchange

    Feb 12, 2018 · 4069 envelope follower Ask Question Asked 7 years, 10 months ago Modified 7 years, 10 months ago