CDUBE from Texas Instruments at low prices and same day dispatch! Orders above £20 Technical Datasheet: CDUBE Datasheet. See all Technical. CMOS Hex Inverter. DATASHEET .. Accordingly, the reader is cautioned to verify that datasheets are current before . 1/6 CD IN. OUT. CDUBE ti CDUB, CMOS Hex Inverter Data sheet acquired from Harris Semiconductor SCHSC Revised September The CDUB-Series.

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When alarm is on, the current jumps to around 11mA. You must log in or register to reply here. Selfdischarge datawheet probably be the main driver of that. Here is a graph of the gain and frequency response of a CD or a 74C04 Cmos inverting amplifier:. A classic application for an unbuffered part is when it is used as a clock oscillator.

CDUBE CD Hex Inverter IC

It works well as a linear amplifier. That shouldn’t be a problem at low gains, due to negative feedback. The spec for 2N lists 1uA as a max leakage with no gate voltage. The top one detects water and turns the power on. It was fed the signal from a switched-capacitor lowpass filter IC and both were together in a feedback loop.

If they are used as a linear amplifier then they self-bias at an output voltage too low and with low gain. Has anyone here tried using this water alarm as more than just an alarm? It also happens to be where the ground trace connects. It’s not on the datasheet. I cc4069ube to get one of those.


Do you have any info on the buzzer, such as a part number? The CD is recommended instead if it has a single supply voltage. It appears Source and Drain are swapped in silk. Datasheets, Manuals or Parts. With sufficiently conductive fluid touching the two electrodes, dataasheet gate of Q1 gets pulled up and it turns on.

What’s the difference between the CD4009 and CD4069?

Here is a link that explains the difference: THey have different power supply schemes and the output circuitry is different. The CD parts that are for sale these days always have a U after the number, that is CDU and this is important. The CD has symmetrical source and sink currents but not as high as datasheeg. Could the frequency of the sound be changed to lets say 1kHz?

The design is nicely compartmentalized, with separate areas for sensor wiring, battery and electronics. First time I have seen the uCurrent being used as well. What’s the difference between the CD and CD?

Interestingly enough, each stage is doubled — I am guessing for better current supplying capacity at the outputs. Leave a Reply Cancel reply Your email address will not be published. This alarm has a pretty simple task- sit somewhere quietly cd4069bue watch for water leak. By continuing to use this site, you are consenting to our use of cookies.

(PDF) CD4069UBE Datasheet download

Potentiometer Questions Started by norbss Yesterday at ccd4069ube Since there is no hysteresis, the alarm will shut off the moment contacts stop touching water. The lowpass filter reduced the 3rd harmonic distortion caused by the compression.

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And now on to the schematic.

Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at Click here to register now. Interestingly enough, there is not even a dedicated decoupling cap on U1.

Rumor has it these last forever on a nine volt battery!

The bottom one is just a driver for the buzzer. Media New media New comments Search media. Nice attention to details. The design is simple and pretty clever with essentially no battery drain until triggered. I already have loads of CDs in my junk box, I’m just wondering if it’s worth buying some CDs as well. Is the answer 60? Board back- all throughole.

Articles Top Articles Search resources. If installed properly with sensor facing down, there is a good inch or so of clearance before water on the floor shorts fd4069ube battery- good touch.

Very nice tear down and very in depth. In this case the shorter propagation delay through the part, and slightly less complex transfer function means it oscillates at higher frequency and more reliably. Another strain relief on the battery wires to go over case plastic.