Oscilator Audio Distorsi Rendah

Parts:

• P1 10K Log. Potentiometer (Dual-ganged)
• P2 2K2 Linear Potentiometer
• R1,R2,R4,R5 3K3 1/4W Resistors
• R3,R6 820R 1/4W Resistors
• R7 10K 1/2W Trimmer Cermet
• R8 22K 1/4W Resistor
• R9 Photo resistor (any type)
• R10 8K2 1/4W Resistor
• R11,R12,R14,R15 3K3 1/4W Resistors
• R13 2K7 1/4W Resistor
• R16--R20 3K3 1/4W Resistors
• R21 56K 1/4W Resistor
• R22 68K 1/4W Resistor
• R23 1K 1/4W Resistor
• C1,C6 220pF 63V Polystyrene Capacitors
• C2,C7 8n2 63V Polyester Capacitors
• C3,C8 82nF 63V Polyester Capacitors
• C4,C9 150nF 63V Polyester Capacitors
• C5,C10 680nF 63V Polyester Capacitors
• D1--D4 1N4148 75V 150mA Diodes
• D5 LED 5mm. Red
• IC1,IC2 NE5532 Low noise Dual Op-amps
• IC3 TL084 Quad BIFET Op-Amp
• SW1 2 poles 3 ways rotary switch

Technical data:

• Output voltage:
• Sine wave, 1V RMS max.
• Total harmonic distortion @ 1V RMS output:
• Frequency Reading
• 100Hz = 0.0035%
• 300Hz = 0.0028%
• 1kHz = 0.002 %
• 3kHz = 0.002 %
• 10kHz = 0.001 %

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