Af signal generator

Af signal generator

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  AF SIGNAL GENERATORS Prepared By: • Sagar Soni – BM2010021 • Maitri Tanna – BF2010022
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  WHAT IS AFSIGNAL GENERATOR ? • The signal generators which provide sinusoidal & square waveforms are called Frequency Signal Generators. • It is operated in range 20 Hz to 20 kHz.
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  BLOCK DIAGRAM
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  WEIN BRIDGE OSCILLATOR
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  ADVANTAGES • The outputis perfect sine wave. • It has low distortion and excellent frequency stabilization. • It has wide frequency range i.e few Hz to 200 kHz.
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  SCHIMMIT TRIGGER
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  OUTPUT OF SCHIMMITTRIGGER
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  FRONT PANEL CONTROLS 1.FREQUENCY SELECTOR: This helps in selecting frequency in different ranges. This varies frequency in the ratio 1:11 which is non-linear. 2. FREQUENCY MULTIPLIER: It increases frequency range for more than 5 decades from 10 Hz to 1 MHz. 3. AMPLITUDE MULTIPLIER: It attenuates the signal in 3 decades namely x1, x0.1, x0.01. 4. SYMMETRY CONTROL: It varies the symmetry of square wave form from 30% to 70% 5. SINE AMPLITUDE: It attenuates the amplitude of square signal. 6. SQUARE AMOLITUDE: It attenuates the amplitude of square signal. 7. FUNCTION SWITCH: It selects the mode required either sine wave output or square wave output. 8. SYNC: This terminal provides synchronization of the integral signal with external signal. 9. ON-OFF SWITCH
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  SPECIFICATIONS • FREQUENCY RANGE:10Hz to 1 MHz • AMPLITUDE OF SINE WAVE: 5 MV TO 5 V( rms ) • AMPLITUDE OF SQUARE WAVE: 0-20 V(peak) • SYMMETRY OF SQUARE WAVE: 30 % - 70% • OUTPUT IMPEDANCE: 600 ohms • POWER: 7 W
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  THANK YOU