June 30, 2020 0 Comments

XRCP datasheet, XRCP pdf, XRCP data sheet, datasheet, data sheet, pdf, Exar, Monolithic function generator. CP Datasheet PDF Download – XR, CP data sheet. The XR is a monolithic function generator integrated circuit capable of producing high quality sine, square, triangle, ramp, and pulse waveforms.

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I needed a Function Generator for testing. Usually I just whip one up on the breadboard. I have had a number of these instruments over the years but they mostly gathered dust as I didn’t use them that much.

I had these great little Exar function generator IC’s hanging around and fresh off of my experiments with pulse width modulation tests. So I figured “what the hey” why not build a portable one that II can use more often.

As can be seen from the photo on the left the frequency range is limited from Hz to 20KHz.

XR2206 -Monolithic Function Generator

It will generate triangular, sine waves and square waves. The sine wave will have a max peak 206cp 3 Volts and the yellow area will generate a 3 Volt peak for a triangular waveform.

The square wave is independent and is a good waveform at 12 Volts peak.

And like I have said before if you build a nice circuit into a proper box you will use it more often and it doesn’t end up in the junk box 22206cp easy. Dtaasheet always consult the PDF for great details as maybe you will want to try this on your own. The circuit schematic on the left is fairly simple. You can consult the data sheet for the Exar All frequencies generated are keyed to this timing capacitor.

The frequency is set from pin 7, with the R15 R resistor and the external R14 rheostat. As mentioned I didn’t have a 50K linear rheostat and was stuck with using a 50K Logarithmic pot. Dahasheet caused me much consternation. The square wave is generated from pin 11 via the pullup resistor R The amplitude control is via pin 3. First R11 and rheostat R12 divide the supply ratasheet in half. I placed a rheostat R12 into the divider just so I could fine tune the DC level.


Again the square wave is unaffected by any amplitude adjustments.

I have still not checked out all the uses of this great little Exar IC. One other function that might be useful is the FSK generation feature.

By hooking another timing resistor to pin 8 not shown and toggling the FSK input pin 9, you can produce the second tone for FSK generation. Pretty cool little IC eh? With this circuit I didn’t follow some of my commandments for good circuit design.

I don’t have a fuse for protection in case I put the main power in reverse, which I have been known to do. I should have at least put a diode in for reverse protection. I also didn’t put in any Leds for indication that at least I have power to the unit. All in all it is fairly fail proof and easy to use, and I think Exar is still producing them so they must be a fairly useful and popular IC.

Gouger Circuits Gouger Z Drive. PDF for this page. I built a nice box for this project from PVC plastic scrap from electronic surplus. The front panel was drawn out with AutoCad, then printed on glossy photo paper, and finally glued to a flat piece of plastic.

XRCP Datasheet pdf – Monolithic function generator – Exar

As you can see this is a great way to drill the holes for the rheostats, switches and terminal blocks. You can get them in just the right spot and centered. Even with all the planning I did, I forgot how I was going to fasten the top panel to the box, thus the junky looking “L” brackets I glued on.

  IEC 61724 PDF

But “what datasheeh hey”, it is mine and I can do it any way I want to.

(PDF) 2206CP Datasheet download

It dataxheet also good to do the front panel mask up in AutoCadbecause when I prototyped the circuit up on the breadboard I was able to get accurate marks for the amplitude and frequency knobs. It was especially hard in this case because I didn’t have any linear pots at 50K only log pots.

Thus you can see the gaps in the markings for the frequency and amplitude pots on the front panel. I use AutoCad to do the layout for the 0. When you are getting ready to solder your components on the board you tend to spend some time moving them around trying to get a workable placement. It only takes a few minutes with AutoCad to so most of that work. Wires wires everywhere makes it look datsaheet, but a with a good solder job, and building it sturdy, it is as good as a commercially produced jobbie.

CP Datasheet, PDF – Alldatasheet

Again it is my box, and I don’t intend to make a million of them to sell or anything. I love those little terminal blocks on 0. They are one of the few components I have bought recently. They are real cheap but oh so useful. Pretty simple circuit when you see it laid out like that, with the Exar DIP IC, 4 resistors, a trimpot and 2 small capacitors.

I tryed out the Exar as a Pulse wdth modulator and the circuit on the left worked great.

I Think I will get a few more of these chips that is if they make them anymore! Here is the PDF for the circuit only.