Precise-triangle-square-wave-generator
Since the output range swings exactly from rail to rail, frequency and duty cycle are virtually independent ...
Sawtooth-and-pulse-generator
The pin 3 output of the 566 can be used to provide different charge and discharge currents for Cl so that a sawtooth output is available at pin 4 and a pulse a...
Basic-function-generator
This function generator uses a CA3260 BiMOS op amp to petform both the integrator and switching functions. A 620-pF capacitor and 2-KO resistor shape feedback ...
Triangle-square-wave-generator
This circuit uses a positive-feedback loop closed around~a combined comparator and integrator. When power is applied, the output of the comparator will switch ...
Astable-multivibrator
The power bandwidth of the HA-5147 extends the circuit"s frequency range to approximately 500 kHz. R, can be made adjustable to vary the frequency ifdesired....
Single-control-function-generator
This function generator, with an adjustment range in excess of 1,000,000 to 1, uses a CA3160 BiMOS op amp as a voltage follower, a CA3080 OTA as a high-speed c...
Low-frequency-multivibrator
This circuit uses half the CA3290 BiMOS dual voltage comparator as conventional multivibrator. The second half maintains frequency against effects of output lo...
Function-generator
This generator will supply sine, triangular, and square waves from 2Hz to 20kHz. This complete test instrument can be plugged into a standard 110 Vac line for ...
Free-running-multivibrator
This is the simplest of any programmable oscil lator circuit, since only one stable timing capacitor is required. The output square wave is about 25 V pk-pk, ...
Triangle-generator
This circuit generates a symmetrical, 10-m V pk-pk triangle waveform which is summed with a de level and connected to the aid analog input for noise/DNL test...
Two-function-signal-generator
You can continuously vary the frequencies of the triangle and square waves produced by this circuit over a full decade. ...
Astable
This astable will trigger itself and run free as a multivibrator. The external capacitor charges through RA and RB and discharges through R8 only. Thus, the ...
Sine-square-wave-oscillator
The circuit will provide both a sine-and square-wave output for frequencies from below 20 Hz to above 20 kHz. The frequency of oscillation is easily tuned by v...
Single-supply-multivibrator
This multivibrator uses a CA3420 BiMOS op amp to provide improved frequency stability. The output frequency remains essentially independent of supply voltage. ...
Fixed-frequency-generator
A single op amp, one fourth of an LM324 quad op amp, is configured as a standard inverting amplifier. At power up, a positive voltage is applied to the nonin...
Precision-audio-waveform-generator
This circuit generates sinusoidal, square, and triangle waveforms simultaneously. Set the frequency to a particular value or vary it, as-shown above. An op amp...
Low-frequency-fm-generators
Here are two FM generators for low frequency, less than 0.5 MHz center frequency, applications. Each uses a 566 function generator as a modulation generator an...
Harmonics-generator
Two comparators and a summing amplifier that generate differential harmonic spectra comprise a simple frequency multiplier. The resulting circuit can extract h...
Low-cost-fsk-generator
In FSK, two discrete frequencies are used to represent the binary digits 0 and 1. The heart of the circuit consists of two Wien-bridge oscillators built using ...
Triangle-square-wave-generator
The programmable multiple output generator provides the control signals for data converter ATE. Major performance criteria are simple, interfaces to a number o...