CMOS 40106 PDF

Integrated Circuit. CMOS, Hex Schmitt Trigger. Description: The NTEB ( Lead DIP) and NTEBT (SOIC) consist of six Schmitt Trigger circuits. HCFBEY from STMICROELECTRONICS >> Specification: IC, CMOS, , DIP14, 15V. CMOS Hex Schmitt Trigger. 20 Volt Rating, Model CDBE. Features. Hysteresis Voltage: V at Vdd = 5V V at Vdd = 10V V at Vdd = 15V.

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Or, hold the two resistor leads in your fingers and squeeze to change your skin resistance.

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We want to mix all three oscillators together. In addition to changing them manually, we can also use one oscillator to control another oscillator.

You can get some pretty complex sounds with just a few basic building blocks, repeated a few times. So we have oscillators, and we can change their frequency by changing the values of either the resistor or capacitors.

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You can also change the capacitor value… swap in some different ones and see what happens. Or wire in a pot variable resistor to control the pitch. So you can get 6 oscillators out of one chip. All 3 oscillators signals are now mixed together, out to the amp.


Once we start stringing circuits together, one circuit controlling another circuit… oh, boy. Replace the resistor with a photocell. The 3 k resistors on the right are the mixer resistors.

Start with what you had for the last circuit, then:. Data sheets also often have sample schematics that can help get you started using a new chip. This is one of those schematics that omits the power connections, and just shows the basic circuit building blocks although it does show the pin numbers. This tutorial shows how to build oscillators on a solderless breadboard. Ov course, you might have something different by now….

Try using variable resistors and start monkeying with the rate of the first oscillator, then the frequency of the second… then both. We used a different integrated circuit the chip last week to build our amps; it had only one circuitry block in it, a single analog amplifier the right-pointing triangle on the schematic.

SO those are some basics: Oscillators can also control other oscillators, making more complex tones. Oscillators produce AC signals, which we can amplify and hear as tones.


A sweet setup would be 3 pairs of FM oscillators with all three outputs mixed together… speed controls on the slow oscillators, photocells on the fast ones, individual volume controls… you get the idea. We can do the same thing here.

After experimenting and finalizing your design, you can transfer 401066 to one of our Oscillator boards to make it more gig-worthy. Get all 3 oscillators happy before continuing.


Handmade Electronic Music Routledge, ; chapter Tom Bug’s BugBrand electronics page. BTW, most chips do different things and have different pin-outs. Check each oscillator out one at a time, by listening to each output separately. You should be able to hear the first oscillator switching the tone of the second oscillator back and forth between low to high. On chips like this with multiple elements, all the inverters on the chip are the same, so you can pick whichever one makes the layout easiest.