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NE566 Function Generator IC
The NE566 is a precision function generator IC capable of producing highly stable square and triangular waveforms over a wide frequency range. It is a voltage-controlled oscillator (VCO) that allows the frequency and duty cycle of the output waveform to be accurately controlled by external resistors, capacitors, and input control voltages.
Developed originally by Signetics (and later by Philips, ON Semiconductor, and others), the NE566 is widely used in signal generation, waveform synthesis, and modulation applications. It provides excellent linearity, low distortion, and temperature stability, making it ideal for analog signal processing and waveform control circuits.
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Features:-
- Wide range of operating voltage (up to 24V; single or dual)
- High linearity of modulation
- Highly stable center frequency (200ppm/°C typical)
- Highly linear triangle wave output
- Frequency programming by means of a resistor or capacitor, voltage or current
- Frequency adjustable over 10-to-1 range with same capacitor
Specification:-
| Symbol | Parameters | Rating | Units |
| V+ | Maximum operating voltage | 26 | V |
| VIN, VC | Input voltage | 3 | VP-P |
| TSTG | Storage temperature range | -65 to +150 | °C |
| TA | Operating ambient temperature range | 0 to +70 | °C |
| PD | Power dissipation | 300 | mW |
Applications
- Signal and waveform generation
- Tone generation and sound synthesis
- Voltage-controlled oscillators (VCOs)
- Frequency modulation (FM) and phase modulation circuits
- Pulse-width modulation (PWM) control
- Function generators and waveform synthesizers
- Timing and sweep generation circuits
- Analog and digital test equipment
*Product image for illustration purposes only, actual product may vary.
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