Posts Tagged ‘function generator’

Waveform Generator with ICL8038

That circuit is based on a 14-pin DIL ICL8038 capable of producing sine, square, triangular, sawtooth and pulse waveforms of high accuracy and stability. The frequency may be selected to be from 0.001Hz to 1Mhz, Frequency modulation and sweeping can be accomplished with an external voltage and the frequency can be programmed digitally by resistors or capacitors. Sweep range can be up to 40:1 or 1000:1 with a little less quality.

If do you want faster to making circuits,I think the function generator kit is nice idea.

Read more:http://www.next.gr/inside-circuits/Waveform-Generator-with-ICL-8038-CCPD-l5879.html

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Simple Function generator by LM566

The simple Function generator two waveform, It produces triangle and square waves from 1Hz up to 1MHz. The Amplitude, offset and duty cycle are adjustable to offer wide range of generated signals. The important part of the circuit is LM566 or NE566. I used R2 controls Frequency output. The power supply voltage is 9V to 24V.

The LM566 is a general purpose voltage controlled oscillator
which may be used to generate square and triangular
waves, the frequency of which is a very linear function of a
control voltage. The frequency is also a function of an external
resistor and capacitor.

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Signal Generator by IC 8038

ICL8038 signal generator chip, manufactured by Intersil. An improved version, made by Exar corp. is available (XR8038A). It can be used to produce three types of waveforms, sine, square and triangle. The frequency, amplitude and duty cycle can be varied, and selection of waveform is done digitally. To further reduce the complexity, a 3-to-1 switch may be used in place of the digital selection circuitry. I made use of the digital selection mechanism because switches available on the market are prone to dirt accumulation and poor contact quality. Besides, the digital method is a lot cooler!
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Source: http://www.circuithut.com/index.php?/circuit/content/view/full/391
Thank you.

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