Details, datasheet, quote on part number: XR DESCRIPTION The is a monolithic voltage-controlled oscillator (VCO) integrated circuit featuring excellent. xr are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for xr Integrated Circuits – ICs. (7). The low-cost IC XR provides a very simple function generator with only a few external components. XR data sheet provides complete basic circuit for a.

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The XR provides a square wave at an open-collector output, as well as a sine wave. A common function generator provides sine, for example, triangular and square waves.

At pin 3 to set the exact medium voltage and the output amplitude. The waveform looks like a spring extending and contracting! With a pot of 2 megohms and a fixed resistor of 1 kOhm variation gives a ratio of 1 to and may include a range of 10 Hz to 20 kHz 22066.

If the amplitude is not set correctly, the waveform will have flat tops or bottoms, or both.

Pins 7 and 8 are held at 3 V, and more than 3 mA should not be drawn from them, so 1k is the minimum timing resistor. The sample design renounces everything that is not absolutely necessary. You can control lights, fans, AC system, computer, printer, amplifier, robots, garage door, security systems, motor-driven curtains, motorized window blinds, door locks, sprinklers, motorized projection screens and anything else you can think of.


All required circuit details are shown in the datasheet. One could make a small Datashet radio transmitter with this chip for use over short distances.

Function Generator with XR

An increase in V lowers the frequency, and an increase raises it. Function Generator with XR If the applied voltage V is 3. For measurement purposes in the electronics laboratory is needed again and again signals of different frequency and waveforms. But there are some points that could improve it take to build an almost professional function generator.

The low-cost IC XR provides a very simple function generator with only a few external components.

There are integrated circuits that produce sine waves, although they are really relaxation oscillators and the sine waves come from shaping a triangle wave. A circuit for testing the XR is shown at the right. When pin 9 is below 0. It is an irreplaceable tool for troubleshooting and repairing electronic equipment by determining performance and health of electrolytic capacitors.

I used modulation at datashheet.

The actual sample structure differs in some details from the data sheet. The output can be buffered to adjust its DC component and signal amplitude.

With the frequency-determining capacitor of 0. Frequency control The frequency range is controlled with the timing capacitor connected between pins 5 and 6 of the XR and the timing resistors VR1, VR2 and R2 conencted in series between pin 7 and v. Supply VC from a function generator, setting the DC bias at 3.


Function Generator with XR2206

Arduino Prototype uses all standard through-hole components for easy construction, two of which are hidden underneath IC socket. Feed Y and the XR with a triangle wave, and X by the rectified voltage across the tuned circuit. For this project, I was more interested in producing a clean undistorted sinewave rather than pushing it to the limits in terms of frequency. It’s small, power efficient, yet customizable through onboard 2 x 7 perfboard that can be used for connecting various sensors and connectors.

It can be connected to any type of stereo audio source such as iPod, Computer, Laptop, CD Player, Walkman, Television, Satellite Receiver, Tape Deck or other stereo system to transmit stereo sound with excellent clarity throughout your home, office, yard or camp ground.

XR2206 Function Generator

A sine-shaping network makes the triangular signal of the VCO, a sinusoidal signal that can be picked up at the pin 2. FM would also be good for testing a phase-locked loop. The output waveforms can be both amplitude and frequency modulated.