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The B+K Precision 3001 150 kHz Handheld Sine/Square Wave Audio Generator, 20 Hz to 150 kHz in 46 steps. It has a low distortion R-C oscillator and variable output control. Specifications. Frequency Range: x1 range 20 Hz to 1.5 kHz (23 steps), x100 range 2 kHz to 150 kHz (23 steps). Accuracy: 20 Hz through 100 kHz (±3% or less), 120 kHz and 150 kHz (±5% or less). Output Control: 0dB/-20dB attenuator switch and variable amplitude control. Output impedance: approx. 600 ohm. Sinewave Output Voltage: >1.2V rms at max. setting (no load). Sinewave Output Flatness: (Short term) 20 Hz to 150 kHz ±0.5dB ( reference frequency 1 kHz). Sinewave Distortion: 200 Hz—15kHz 0.5% (THD) or less, 50 Hz—28 kHz 0.1% (THD) or less, 20 Hz—100kHz 0.3% (THD) or less. Square Wave Output Voltage: > 5V p-p at maximum setting. Square Wave Rise and Fall Time: Less than 0.5 microseconds. Square Wave Sag: Less than 5% at 20 Hz (DC coupled). Square Wave Over Shoot: <2% from maximum output, to 50mV p-p. Square Wave Duty Ratio: 50% +5%. Sync Output Voltage: >1.2V rms (no load). Sync Output Impedance: 1 k-ohm +5%.
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