失真仪,HP339A九成新现货供应,fundamental frequency range is 10 Hz to 110 kHz with 2 digit resolution
measurement range is to 0.01%, 0 dB to -80 dB
Oscillator

Frequency range is 10 Hz to 100 kHz with 2 digit resolution. Output level is variable from 4 V rms to 1 mV rms.

Oscillator distortion >600 ohm load, <3 Vrms

10 Hz to 20 kHz < -93 dB 0.0022% THD
20 kHz to 30 kHz < -85 dB 0.0056% THD
30 kHz to 50 kHz < -80 dB 0.01% THD
50 kHz to 80 kHz < -70 dB 0.032% THD
80 kHz to 110 kHz < -65 dB 0.056% THD