- Roseville, California, United States
- Feb 12th
General Radio 1381 random noise generator The General Radio 1381 Random-Noise Generator generates random noise from a semiconductor source. The generated noise is flat down to 2Hz and is intended for random-vibration tests and for general-purpose use in the audio and sub-audio range. The upper frequency limit (@3 dB) can be switched to 2, 5, or 50kHz.