Product Details
1.1KHz sine wave output, distortion factor is only 0.000064%, suitable for high precision testing applications.
2. Ultra-low distortion design, the distortion is less than 0.001%, to ensure that the signal is pure and stable.
3. Power supply ± 15V, current only 30mA, low-power operation is more efficient and energy-saving.
4. Output voltage greater than 7V, suitable for harmonic distortion test, level test and regenerative power supply scenarios.
5. Adopt NE5532 chip, good performance, good use.
Power supply: ±15V , 30mA
Output voltage: greater than 7V
Distortion: less than 0.001%
Overall dimensions: 90 * 49mm * 16mm
Low distortion coefficient sine wave oscillator board, oscillation frequency: 1 KHz, ultra-low distortion, distortion coefficient 0.000064% (-124dB). It can be used for harmonic distortion testing, level testing, regenerative power supply, etc. The board controls the oscillation frequency.
The capacitors controlling the oscillation frequency on the board are selected and paired with a digital meter, and the resistor controlling the oscillation frequency is a 3.3K resistor and a 200-ohm 3296 multi-turn potentiometer connected in series, which is adjusted and paired with a digital meter to ensure the accuracy of the output frequency and low distortion.
1, theoretically, R10 = 2R13, C3 = 2C4, distortion is minimized.
2, the data in the figure for the value of 1KHZ, if the other frequency, in addition to R6, R7, C1, C2 need to be adjusted accordingly, R11 should be modified according to the frequency.
For example: 50HZ, R11=447K, 60HZ, R11=408K.
1 x Module
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